/* QM Loading Overlay (scoped) */
.qm-loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-overlay, rgba(15, 23, 42, 0.6));
  z-index: 1000;
}

.qm-loading-overlay.hidden { display: none; }

.qm-loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--text-white);
}

.qm-spinner {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  /* Multicolor ring using conic-gradient and mask to hollow the center */
  background: conic-gradient(
    from 0deg,
    var(--primary, #4f46e5) 0%,
    var(--secondary, #06b6d4) 25%,
    var(--accent, #10b981) 50%,
    var(--accent-color, #8b5cf6) 75%,
    var(--primary, #4f46e5) 100%
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #000 0);
          mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #000 0);
  animation: qm-spin 1s linear infinite, qm-glow 2s ease-in-out infinite alternate;
  filter: drop-shadow(0 0 8px rgba(79, 70, 229, 0.5)) drop-shadow(0 0 16px rgba(6, 182, 212, 0.35));
}

.qm-loading-text {
  font-weight: 600;
  letter-spacing: 0.02em;
}

@keyframes qm-spin {
  to { transform: rotate(360deg); }
}

@keyframes qm-glow {
  0% {
    filter: drop-shadow(0 0 6px rgba(79, 70, 229, 0.4)) drop-shadow(0 0 12px rgba(6, 182, 212, 0.25));
  }
  100% {
    filter: drop-shadow(0 0 12px rgba(79, 70, 229, 0.8)) drop-shadow(0 0 24px rgba(16, 185, 129, 0.35));
  }
}
:root {
  /* Modern Color Palette */
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #dbeafe;
  --secondary-color: #6b7280;
  --secondary-hover: #4b5563;
  --accent-color: #8b5cf6;
  --accent-hover: #7c3aed;
  --success-color: #10b981;
  --success-light: #d1fae5;
  --warning-color: #f59e0b;
  --warning-light: #fef3c7;
  --danger-color: #ef4444;
  --danger-light: #fee2e2;
  --info-color: #06b6d4;
  --info-light: #cffafe;
  
  /* Neutral Colors */
  --background: #f8fafc;
  --background-alt: #f1f5f9;
  --surface: #ffffff;
  --surface-hover: #f9fafb;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --border-dark: #d1d5db;
  
  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #ffffff;
  
  /* Enhanced Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-colored: 0 10px 25px -5px rgba(59, 130, 246, 0.15), 0 4px 6px -2px rgba(59, 130, 246, 0.05);
  
  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 24px;
  --space-3xl: 32px;
  --space-4xl: 40px;
  --space-5xl: 48px;
  --space-6xl: 64px;
  
  /* Typography */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 1.875rem;
  --font-4xl: 2.25rem;
  --font-5xl: 3rem;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--text-secondary) 100%);
  --gradient-success: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
  --gradient-background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: var(--gradient-background);
  position: relative;
  overflow-x: hidden;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  font-size: var(--font-base);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(16, 185, 129, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 0% 50%, rgba(245, 158, 11, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: backgroundFloat 20s ease-in-out infinite alternate;
}

@keyframes backgroundFloat {
  0% { transform: translateY(0px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(-10px) rotate(1deg); opacity: 0.8; }
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--transition-base);
}

.header:hover {
  box-shadow: var(--shadow-md);
}

.header-container {
  margin: 0 auto;
  padding: 0 var(--space-2xl);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-weight: 700;
  font-size: var(--font-xl);
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
}

.logo:hover {
  color: var(--primary-hover);
  transform: translateY(-1px);
}

/* Logo icon styles - support both img and FontAwesome fallback */
.logo i {
  display: none; /* Hide FontAwesome icon when using favicon */
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  transition: all var(--transition-base);
}

/* Hide FontAwesome icon when using favicon */
.logo i {
  display: none;
}

/* Use favicon as logo */
.logo::before {
  content: '';
  width: 32px;
  height: 32px;
  background-image: url('/assets/V1.0/favicon.ico');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: inline-block;
  margin-right: 8px;
  transition: all var(--transition-base);
  border-radius: 6px;
  filter: drop-shadow(0 2px 4px rgba(99, 102, 241, 0.2));
}

/* Hide favicon if img element is present */
.logo:has(img)::before {
  display: none;
}

.logo:hover img {
  transform: scale(1.1) rotate(5deg);
  filter: brightness(1.1);
}

.logo:hover::before {
  transform: scale(1.1) rotate(5deg);
  filter: brightness(1.1) drop-shadow(0 4px 8px rgba(99, 102, 241, 0.4));
}

.auth-section {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  position: relative;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md) var(--space-xs) var(--space-xs);
  border-radius: 20px;
  transition: background 0.2s ease;
  cursor: pointer;
}

.user-profile:hover {
  background: var(--background);
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

/* Mobile Auth Dropdown */
.mobile-auth-dropdown {
  display: none;
  position: relative;
}

.auth-profile-button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  color: var(--text-primary);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-profile-button:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.2);
}

.auth-dropdown-content {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  background: linear-gradient(135deg, var(--surface), #f8fafc);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.15),
    0 10px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(20px);
  margin-top: 8px;
}

.auth-dropdown-content.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.auth-dropdown-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-dropdown-header .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--primary-color);
}

.auth-dropdown-header .user-info h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.auth-dropdown-header .user-info small {
  color: var(--text-muted);
  font-size: 12px;
}

.auth-dropdown-actions {
  padding: 8px;
}

.auth-dropdown-actions .btn {
  width: 100%;
  justify-content: center;
  margin-bottom: 0;
  border-radius: var(--radius);
  font-size: 14px;
  padding: 10px 16px;
}

/* Modern Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-sm);
  line-height: 1.5;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  will-change: transform, box-shadow;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn i {
  font-size: 1em;
}

/* Button Variants */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-colored);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
  border-color: var(--border-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-colored);
}

.btn-success {
  background: var(--gradient-success);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(16, 185, 129, 0.35);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.25);
}

.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(245, 158, 11, 0.35);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(239, 68, 68, 0.35);
}

.btn-info {
  background: linear-gradient(135deg, var(--info-color) 0%, #0891b2 100%);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px 0 rgba(6, 182, 212, 0.25);
}

.btn-info:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px 0 rgba(6, 182, 212, 0.35);
}

/* Button Sizes */
.btn-xs {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-xs);
  border-radius: var(--radius-sm);
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-sm);
  border-radius: var(--radius);
}

.btn-lg {
  padding: var(--space-lg) var(--space-3xl);
  font-size: var(--font-lg);
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--space-xl) var(--space-4xl);
  font-size: var(--font-xl);
  border-radius: var(--radius-2xl);
}

/* Button States */
.btn-loading {
  pointer-events: none;
}

.btn-loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.btn-secondary:hover {
  background: var(--border);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 64px);
  position: relative;
  overflow: hidden;
}

/* Welcome Section */
/* Modern Welcome Section */
.welcome-section {
  background: linear-gradient(135deg, 
    var(--primary-color) 0%, 
    var(--accent-color) 40%, 
    var(--info-color) 80%, 
    var(--success-color) 100%);
  color: var(--text-inverse);
  padding: var(--space-6xl) 0;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-slow);
}

.welcome-section.hidden {
  opacity: 0;
  transform: translateY(40px);
  pointer-events: none;
}

.welcome-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 60%),
    radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  animation: welcomeFloat 25s ease-in-out infinite alternate;
  z-index: 1;
}

.welcome-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.02"><circle cx="30" cy="30" r="2"/></g></svg>');
  opacity: 0.3;
  z-index: 1;
}

@keyframes welcomeFloat {
  0% { 
    transform: translateY(0px) scale(1);
    opacity: 1;
  }
  100% { 
    transform: translateY(-15px) scale(1.02);
    opacity: 0.9;
  }
}

.welcome-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6xl);
  align-items: center;
  position: relative;
  z-index: 2;
}

.welcome-content {
  animation: slideInLeft 0.8s ease-out;
}

.welcome-title {
  font-size: clamp(var(--font-3xl), 5vw, var(--font-5xl));
  font-weight: 900;
  margin-bottom: var(--space-lg);
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 50%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  letter-spacing: -0.02em;
}

.welcome-subtitle {
  font-size: var(--font-lg);
  margin-bottom: var(--space-4xl);
  opacity: 0.95;
  line-height: 1.7;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
}

.auth-buttons {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-6xl);
  animation: slideInUp 0.8s ease-out 0.3s both;
}

.auth-buttons .btn {
  padding: var(--space-md) var(--space-3xl);
  font-size: var(--font-lg);
  font-weight: 600;
  border-radius: var(--radius-xl);
  min-width: 140px;
}

.auth-buttons .btn-primary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-inverse);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.auth-buttons .btn-primary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.auth-buttons .btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.auth-buttons .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.5);
}

.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  animation: slideInUp 0.8s ease-out 0.5s both;
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  font-size: var(--font-base);
  font-weight: 500;
  opacity: 0.95;
  transition: all var(--transition-base);
}

.feature:hover {
  opacity: 1;
  transform: translateX(4px);
}

.feature i {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-sm);
}

.welcome-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: slideInRight 0.8s ease-out 0.2s both;
  position: relative;
}

.welcome-image::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}

.welcome-image i {
  font-size: clamp(120px, 15vw, 200px);
  opacity: 0.6;
  color: rgba(255, 255, 255, 0.8);
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.2;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Dashboard Section */
.dashboard-section {
  padding: 10px 0;
  transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  will-change: transform, opacity;
}

.dashboard-section.hidden {
  opacity: 0;
  transform: translateY(50px) scale(0.95);
  pointer-events: none;
}

.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
  animation: slideInLeft 0.5s ease;
}

.dashboard-title h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.dashboard-title p {
  color: var(--text-secondary);
  font-size: 16px;
}

.dashboard-actions {
  display: flex;
  gap: 12px;
}

/* Dashboard Wrapper */
.dashboard-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: calc(100vh - 64px);
}




/* ============ ASSIGNMENT ITEMS STYLING ============ */

.assignments-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.assignment-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.assignment-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

.assignment-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.assignment-item:hover::before {
  transform: scaleY(1);
}

.assignment-main {
  flex: 1;
  min-width: 0;
}

.assignment-title {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.assignment-class {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
  background: var(--background-alt);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  width: fit-content;
}

.assignment-class i {
  color: var(--primary-color);
}

.assignment-due {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-sm);
  color: var(--warning-color);
  font-weight: 500;
}

.assignment-due i {
  color: var(--warning-color);
}

.assignment-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 200px;
  background: var(--background-alt);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

.meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.meta-row i {
  width: 16px;
  color: var(--primary-color);
  font-size: 14px;
}

.meta-row code {
  background: var(--surface);
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  font-size: var(--font-xs);
  color: var(--text-primary);
  border: 1px solid var(--border);
  font-family: 'Courier New', monospace;
}

.assignment-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 120px;
}

.assignment-actions .btn {
  justify-content: center;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-sm);
  border-radius: var(--radius-lg);
  font-weight: 600;
}

.assignment-actions .btn i {
  font-size: 14px;
}

/* Assignment Status Variations */
.assignment-upcoming {
  border-left: 4px solid var(--info-color);
}

.assignment-upcoming .assignment-title::after {
  content: 'Sắp tới';
  background: var(--info-color);
  color: white;
  font-size: var(--font-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
  font-weight: 500;
}

.assignment-active {
  border-left: 4px solid var(--success-color);
}

.assignment-active .assignment-title::after {
  content: 'Đang mở';
  background: var(--success-color);
  color: white;
  font-size: var(--font-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
  font-weight: 500;
}

.assignment-overdue {
  border-left: 4px solid var(--danger-color);
}

.assignment-overdue .assignment-title::after {
  content: 'Quá hạn';
  background: var(--danger-color);
  color: white;
  font-size: var(--font-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
  font-weight: 500;
}

.assignment-completed {
  border-left: 4px solid var(--text-muted);
  opacity: 0.8;
}

.assignment-completed .assignment-title::after {
  content: 'Hoàn thành';
  background: var(--text-muted);
  color: white;
  font-size: var(--font-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
  font-weight: 500;
}

/* Responsive Assignment Items */
@media (max-width: 768px) {
  .assignment-item {
    flex-direction: column;
    gap: var(--space-lg);
    padding: var(--space-lg);
  }
  
  .assignment-meta {
    width: 100%;
    min-width: unset;
  }
  
  .assignment-actions {
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
    min-width: unset;
  }
  
  .assignment-actions .btn {
    flex: 1;
    min-width: 100px;
  }
}

@media (max-width: 480px) {
  .assignment-actions {
    flex-direction: column;
  }
  
  .assignment-actions .btn {
    width: 100%;
  }
  
  .meta-row {
    flex-wrap: wrap;
  }
  
  .meta-row code {
    word-break: break-all;
  }
}

/* Tab Content */
.tab-content {
  flex: 1;
}

.tab-pane {
  display: none;
  animation: fadeInUp 0.4s ease;
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  will-change: transform, opacity;
}

.tab-pane.active {
  display: block;
  opacity: 1;
  transform: translateY(0) scale(1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Quick Stats */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 10px 10px -5px rgb(0 0 0 / 0.04);
  transform: translateY(-5px);
  border-color: var(--primary-color);
  transform: translateY(-10px) scale(1.02);
  box-shadow: 
    0 30px 60px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(99, 102, 241, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.stat-card:hover::before {
  transform: scaleY(1);
}

.stat-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
  box-shadow: 0 10px 15px -3px rgb(99 102, 241 / 0.4);
}

.stat-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Recent Activity */
.recent-activity {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 32px;
}

.recent-activity h2 {
  margin-bottom: 24px;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 600;
}

.activity-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius);
  transition: all 0.2s ease;
}

.activity-item:hover {
  background: var(--background);
  transform: translateX(5px);
}

.activity-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.activity-content h4 {
  margin: 0 0 4px 0;
  font-weight: 600;
  color: var(--text-primary);
}

.activity-content p {
  margin: 0 0 4px 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.activity-content small {
  color: var(--text-muted);
  font-size: 12px;
}

/* Assignment Filters */
.assignment-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  padding: 8px;
  background: var(--background);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.filter-btn {
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.filter-btn:hover {
  background: var(--surface);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 4px 6px -1px rgb(99 102 241 / 0.4);
}

/* Classes Grid */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}

.class-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  animation: slideInUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
  transform: translateY(30px);
}

.class-card:nth-child(1) { animation-delay: 0.1s; }
.class-card:nth-child(2) { animation-delay: 0.2s; }
.class-card:nth-child(3) { animation-delay: 0.3s; }
.class-card:nth-child(4) { animation-delay: 0.4s; }
.class-card:nth-child(n+5) { animation-delay: 0.5s; }

@keyframes slideInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.class-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.class-card:hover {
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  transform: translateY(-8px) scale(1.02);
  border-color: var(--primary-color);
  transform: translateY(-10px) scale(1.02);
  box-shadow: 
    0 30px 60px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(99, 102, 241, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.class-card:hover::before {
  transform: scaleX(1);
}

.class-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.class-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.class-code {
  background: var(--background);
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.class-description {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.class-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.class-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 12px;
}

.class-stat i {
  width: 14px;
  color: var(--primary-color);
}

.role-badge {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
}

.role-teacher {
  background: #dbeafe;
  color: #1e40af;
}

.role-student {
  background: #f3f4f6;
  color: #374151;
}

/* Enhanced Class Card Styles */
.class-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.class-subject,
.class-grade {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
}

.class-subject {
  background: #e0f2fe;
  color: #0277bd;
}

.class-grade {
  background: #f3e5f5;
  color: #7b1fa2;
}

.class-footer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 12px;
}

.class-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.class-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.class-created {
  color: var(--text-muted);
}

.teacher-indicator {
  color: var(--warning-color);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.teacher-indicator i {
  margin-right: 0;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 64px;
  margin-bottom: 24px;
  color: var(--text-muted);
}

.empty-state h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.empty-state p {
  margin-bottom: 24px;
  font-size: 16px;
}

.empty-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* Loading */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(15, 15, 35, 0.95), 
    rgba(26, 26, 46, 0.95));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: white;
  font-weight: 500;
  animation: float 3s ease-in-out infinite alternate;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top: 4px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite, glow 2s ease-in-out infinite alternate;
  background: conic-gradient(
    from 0deg,
    #6366f1,
    #8b5cf6,
    #06b6d4,
    #10b981,
    #6366f1
  );
  position: relative;
}

.spinner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  height: 80%;
  background: linear-gradient(135deg, 
    rgba(15, 15, 35, 0.9), 
    rgba(26, 26, 46, 0.9));
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes glow {
  0% { box-shadow: 0 0 20px rgba(99, 102, 241, 0.5); }
  100% { box-shadow: 0 0 40px rgba(139, 92, 246, 0.8), 0 0 60px rgba(6, 182, 212, 0.4); }
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: none;
}

.modal.show {
  display: flex;
}

.modal-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  transform: translateY(-20px);
  transition: transform 0.3s ease;
}

.modal.show .modal-content {
  transform: translateY(0);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h2 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: none;
  border: none;
  padding: 8px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--background);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.passcode-modal {
  position: relative;
  padding: 40px;
  border-radius: 28px;
  background: linear-gradient(145deg, 
    rgba(255, 255, 255, 0.98) 0%, 
    rgba(248, 250, 252, 0.95) 100%);
  backdrop-filter: blur(20px);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 28px;
  transform: scale(0.98);
  animation: modalAppear 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes modalAppear {
  to {
    transform: scale(1);
  }
}

.passcode-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 8px;
}

.passcode-modal-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: linear-gradient(135deg, 
    #ef4444 0%, 
    #dc2626 50%, 
    #b91c1c 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 
    0 8px 25px rgba(239, 68, 68, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  flex-shrink: 0;
}

.passcode-modal-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 22px;
  background: linear-gradient(135deg, 
    rgba(239, 68, 68, 0.2) 0%, 
    rgba(220, 38, 38, 0.1) 100%);
  z-index: -1;
}

.passcode-modal-header h3 {
  margin: 0 0 8px 0;
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
}

.passcode-modal-header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
}

.passcode-modal-header p strong {
  color: #ef4444;
  font-weight: 700;
}

.passcode-modal-inputs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 8px 0;
}

.passcode-digit {
  width: 64px;
  height: 72px;
  border-radius: 20px;
  border: 2px solid rgba(99, 102, 241, 0.12);
  background: linear-gradient(145deg, 
    rgba(255, 255, 255, 0.9) 0%, 
    rgba(248, 250, 255, 0.8) 100%);
  text-align: center;
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  letter-spacing: -0.5px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 2px 8px rgba(99, 102, 241, 0.08);
  backdrop-filter: blur(10px);
  
  /* Disable password suggestions and autofill */
  -webkit-text-security: none;
}

/* Remove autofill styling and hide password suggestions */
.passcode-digit:-webkit-autofill,
.passcode-digit:-webkit-autofill:hover,
.passcode-digit:-webkit-autofill:focus,
.passcode-digit:-webkit-autofill:active {
  -webkit-box-shadow: 0 0 0 30px transparent inset !important;
  -webkit-text-fill-color: var(--text-primary) !important;
  background: linear-gradient(145deg, 
    rgba(255, 255, 255, 0.9) 0%, 
    rgba(248, 250, 255, 0.8) 100%) !important;
}

/* Hide password manager suggestions */
.passcode-digit::-webkit-credentials-auto-fill-button {
  display: none !important;
}

.passcode-digit::-webkit-textfield-decoration-container {
  display: none !important;
}

.passcode-digit::-ms-reveal {
  display: none !important;
}

/* Additional security for password inputs */
.passcode-digit[type="password"] {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif !important;
  -webkit-text-security: disc;
}

.passcode-digit:focus {
  border-color: rgba(99, 102, 241, 0.8);
  box-shadow: 
    0 0 0 4px rgba(99, 102, 241, 0.15),
    0 8px 25px rgba(99, 102, 241, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  outline: none;
  transform: translateY(-3px) scale(1.05);
  background: linear-gradient(145deg, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(248, 250, 255, 0.95) 100%);
}

.passcode-digit:not(:placeholder-shown) {
  border-color: rgba(34, 197, 94, 0.6);
  color: #059669;
  background: linear-gradient(145deg, 
    rgba(236, 253, 245, 0.9) 0%, 
    rgba(220, 252, 231, 0.8) 100%);
}

.passcode-modal-feedback {
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  background: rgba(248, 250, 252, 0.7);
  min-height: 20px;
}

.passcode-modal-feedback.error {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(254, 226, 226, 0.7);
  color: #b91c1c;
}

.passcode-modal-feedback.warning {
  border-color: rgba(245, 158, 11, 0.35);
  background: rgba(254, 243, 199, 0.7);
  color: #b45309;
}

.passcode-modal-feedback.success {
  border-color: rgba(34, 197, 94, 0.3);
  background: rgba(220, 252, 231, 0.7);
  color: #15803d;
}

.passcode-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.passcode-modal-actions .btn {
  padding: 16px 24px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.2px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.passcode-modal-actions .btn-secondary {
  background: linear-gradient(135deg, 
    rgba(248, 250, 252, 0.9) 0%, 
    rgba(241, 245, 249, 0.8) 100%);
  color: var(--text-secondary);
  border-color: rgba(148, 163, 184, 0.2);
  backdrop-filter: blur(10px);
}

.passcode-modal-actions .btn-secondary:hover {
  background: linear-gradient(135deg, 
    rgba(241, 245, 249, 1) 0%, 
    rgba(226, 232, 240, 0.9) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.passcode-modal-actions .btn-danger {
  background: linear-gradient(135deg, 
    #ef4444 0%, 
    #dc2626 100%);
  color: white;
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
}

.passcode-modal-actions .btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, 
    #dc2626 0%, 
    #b91c1c 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(239, 68, 68, 0.4);
}

.passcode-modal-actions .btn-danger:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.modal-close[data-close-passcode] {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, 
    rgba(248, 250, 252, 0.8) 0%, 
    rgba(241, 245, 249, 0.6) 100%);
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--text-secondary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  backdrop-filter: blur(10px);
}

.modal-close[data-close-passcode]:hover {
  background: linear-gradient(135deg, 
    rgba(241, 245, 249, 0.9) 0%, 
    rgba(226, 232, 240, 0.7) 100%);
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

@media (max-width: 640px) {
  .passcode-modal {
    padding: 28px 20px 24px;
  }
  .passcode-modal-inputs {
    gap: 10px;
  }
  .passcode-digit {
    width: 48px;
    height: 56px;
    font-size: 22px;
    border-radius: 14px;
  }
  .passcode-modal-actions {
    flex-direction: column-reverse;
  }
  .passcode-modal-actions .btn {
    width: 100%;
  }
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
  box-shadow: 
    0 0 0 3px rgba(99, 102, 241, 0.1),
    0 8px 25px rgba(99, 102, 241, 0.15);
  transform: translateY(-1px);
}

.form-group small {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 12px;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  background: var(--surface);
  transition: all 0.2s ease;
}

.form-group select:focus {
  outline: none;
  border-color: var (--primary-color);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
  box-shadow: 
    0 0 0 3px rgba(99, 102, 241, 0.1),
    0 8px 25px rgba(99, 102, 241, 0.15);
  transform: translateY(-1px);
}

.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  resize: vertical;
  min-height: 80px;
  transition: all 0.2s ease;
}

.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
  box-shadow: 
    0 0 0 3px rgba(99, 102, 241, 0.1),
    0 8px 25px rgba(99, 102, 241, 0.15);
  transform: translateY(-1px);
}

/* Loading State for Forms */
.form-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.form-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  z-index: 10;
}

/* Success State */
.class-card.new-class {
  border: 2px solid var(--success-color);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
  animation: newClassPulse 2s ease-in-out;
}

@keyframes newClassPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* Utilities */
.hidden {
  display: none !important;
}

/* Calendar and Scheduler */
.calendar-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.calendar-title {
  font-weight: 700;
  font-size: 18px;
  flex: 1;
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px;
}

.calendar-day {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 90px;
  padding: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.calendar-day:hover {
  background: var(--surface);
  transform: translateY(-2px);
}

.calendar-day .day-num {
  font-weight: 600;
  font-size: 12px;
  color: var(--text-secondary);
}

.calendar-day.today {
  outline: 2px solid var(--primary-color);
}

.calendar-day .event-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  position: absolute;
  bottom: 6px;
  left: 6px;
}

.event-editor {
  margin-top: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.event-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.event-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  background: var(--background);
}

.scheduler-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.schedule-form {
  margin-bottom: 16px;
}


.sched-status {
  font-size: 12px;
  color: var(--text-muted);
}

/* Enhanced Calendar Styles - Cosmic Theme */
.events-container {
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.events-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(34, 197, 94, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.calendar-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  position: relative;
  z-index: 1;
}

.calendar-title {
  font-weight: 700;
  font-size: 24px;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
  text-align: center;
  flex: 1;
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
  0% { text-shadow: 0 2px 10px rgba(99, 102, 241, 0.3); }
  100% { text-shadow: 0 2px 20px rgba(139, 92, 246, 0.6); }
}

.calendar-controls .btn {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.calendar-controls .btn:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(139, 92, 246, 0.4));
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 20px;
  backdrop-filter: blur(30px);
  position: relative;
  z-index: 1;
}

.calendar-day {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  min-height: 100px;
  padding: 12px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.calendar-day::before {
  display: none;
}

.calendar-day:hover {
  transform: translate3d(0, -2px, 0) scale(1.01);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.calendar-day.selected {
  border-color: rgba(99, 102, 241, 0.8);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
}

.calendar-day .day-num {
  font-weight: 700;
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 8px;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.calendar-day.today {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
  border: 2px solid #6366f1;
  box-shadow: 
    0 0 30px rgba(99, 102, 241, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  animation: todayPulse 2s ease-in-out infinite alternate;
}

@keyframes todayPulse {
  0% { box-shadow: 0 0 30px rgba(99, 102, 241, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.2); }
  100% { box-shadow: 0 0 50px rgba(99, 102, 241, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
}

.calendar-day.today .day-num {
  color: #ffffff;
  font-weight: 800;
}

.calendar-day .event-dot {
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  border-radius: 50%;
  position: absolute;
  bottom: 8px;
  right: 8px;
  box-shadow: 
    0 0 10px rgba(6, 182, 212, 0.6),
    0 2px 4px rgba(0, 0, 0, 0.2);
  z-index: 2;
  animation: none;
}

.calendar-day .event-dot.pulse {
  animation: eventDotPulse 2s ease-in-out infinite;
}

@keyframes eventDotPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
}

/* Multiple events indicator */
.calendar-day .event-dots {
  position: absolute;
  bottom: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  z-index: 2;
}

.calendar-day .event-dots .event-dot {
  position: static;
  width: 8px;
  height: 8px;
}

/* Event Editor Overlay */
.event-editor-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.event-editor-overlay.show {
  opacity: 1;
  visibility: visible;
}

.event-editor-modal {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  padding: 32px;
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.event-editor-overlay.show .event-editor-modal {
  transform: scale(1) translateY(0);
}

.event-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.event-editor-close {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 18px;
}

.event-editor-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

/* Hide the original event editor */
.event-editor {
  display: none;
}

/* Event Editor Form Styling in Modal */
.event-editor-modal .form-group {
  margin-bottom: 20px;
}

.event-editor-modal .form-group label {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}

.event-editor-modal .form-group input,
.event-editor-modal .form-group select,
.event-editor-modal .form-group textarea {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: #ffffff;
  padding: 12px 16px;
  width: 100%;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  font-family: inherit;
}

.event-editor-modal .form-group input::placeholder,
.event-editor-modal .form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.event-editor-modal .form-group input:focus,
.event-editor-modal .form-group select:focus,
.event-editor-modal .form-group textarea:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
  background: rgba(255, 255, 255, 0.15);
}

.event-editor-modal .btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  border-radius: 12px;
  padding: 12px 24px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.event-editor-modal .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(99, 102, 241, 0.5);
}

.event-editor-modal .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

/* Event List in Modal */
.event-editor-modal .event-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 200px;
  overflow-y: auto;
}

.event-editor-modal .event-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 12px 16px;
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
}

.event-editor-modal .event-item:hover {
  transform: translateX(4px);
  border-color: rgba(99, 102, 241, 0.4);
}

.event-editor-modal .event-item strong {
  color: #ffffff;
  font-weight: 600;
}

.event-editor-modal .event-item small {
  color: rgba(255, 255, 255, 0.7);
}

/* Custom scrollbar for event list */
.event-editor-modal .event-list::-webkit-scrollbar {
  width: 6px;
}

.event-editor-modal .event-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.event-editor-modal .event-list::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 3px;
}

/* Auto Scheduler - Cosmic Design */
.scheduler-container {
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.scheduler-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.schedule-form {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 28px;
  margin-bottom: 32px;
  backdrop-filter: blur(20px);
  position: relative;
  z-index: 1;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.schedule-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.schedule-form .form-group {
  margin-bottom: 20px;
}

.schedule-form .form-actions {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.schedule-form .form-group label {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  margin-bottom: 8px;
  display: block;
}

.schedule-form .form-group input,
.schedule-form .form-group select,
.schedule-form .form-group textarea {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: #ffffff;
  padding: 14px 18px;
  width: 100%;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  font-size: 14px;
}

.schedule-form .form-group input::placeholder,
.schedule-form .form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.schedule-form .form-group input:focus,
.schedule-form .form-group select:focus,
.schedule-form .form-group textarea:focus {
  border-color: #6366f1;
  box-shadow: 0 0 25px rgba(99, 102, 241, 0.4);
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.schedule-form .btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  border: none;
  border-radius: 14px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 16px;
  color: #ffffff;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.schedule-form .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, #5855eb, #7c3aed, #0284c7);
}

/* Form Field Visibility Control */
.schedule-form .hidden {
  display: none;
}

.schedule-form #schedAssignmentFields,
.schedule-form #schedPostFields {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 20px;
  margin-top: 16px;
  transition: all 0.3s ease;
}

.schedule-form #schedAssignmentFields.hidden,
.schedule-form #schedPostFields.hidden {
  display: none;
}

/* Schedule Cards - Enhanced Design */
.schedules-list {
  position: relative;
  z-index: 1;
  max-height: 400px;
  overflow-y: auto;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px;
}

.schedule-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  padding: 20px 24px;
  margin-bottom: 16px;
  backdrop-filter: blur(30px);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.schedule-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 0 3px 3px 0;
}

.schedule-card:hover {
  transform: translateY(-5px) scale(1.01);
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.schedule-card strong {
  color: #ffffff;
  font-weight: 700;
  font-size: 16px;
  text-transform: capitalize;
}

.schedule-card .sched-status {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  margin-top: 4px;
}

.schedule-card .btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border: none;
  border-radius: 10px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(239, 68, 68, 0.3);
}

.schedule-card .btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(239, 68, 68, 0.5);
}

/* Status Indicators */
.schedule-card[data-status="pending"]::before {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.schedule-card[data-status="completed"]::before {
  background: linear-gradient(135deg, #10b981, #059669);
}

.schedule-card[data-status="failed"]::before {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

/* Empty States - Enhanced */
.events-container .empty-state,
.scheduler-container .empty-state {
  text-align: center;
  padding: 60px 20px;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.events-container .empty-state i,
.scheduler-container .empty-state i {
  font-size: 48px;
  color: rgba(99, 102, 241, 0.6);
  margin-bottom: 16px;
  animation: float 3s ease-in-out infinite alternate;
}

@keyframes float {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-10px); }
}

.events-container .empty-state h3,
.scheduler-container .empty-state h3 {
  color: #ffffff;
  font-size: 20px;
  margin-bottom: 8px;
  font-weight: 600;
}

/* Responsive Design for Scheduler & Events */
@media (max-width: 768px) {
  .events-container,
  .scheduler-container {
    padding: 20px 16px;
    margin: 0 -8px;
    border-radius: 16px;
  }

  .calendar-grid {
    gap: 8px;
    padding: 16px;
  }

  .calendar-day {
    min-height: 80px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
  }

  .calendar-day:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.02);
  }

  .calendar-day .day-num {
    font-size: 14px;
  }

  .calendar-title {
    font-size: 18px;
  }

  .calendar-controls {
    padding: 12px 16px;
  }

  .calendar-controls .btn {
    width: 40px;
    height: 40px;
  }

  .event-editor-modal {
    margin: 20px;
    width: calc(100% - 40px);
    padding: 24px;
    max-height: 85vh;
  }

  .calendar-day {
    min-height: 70px;
    padding: 6px;
    transition: transform 0.15s ease, border-color 0.15s ease;
  }

  .calendar-day:hover {
    transform: translate3d(0, -1px, 0);
  }

  .event-editor,
  .schedule-form {
    padding: 16px;
  }

  .schedule-form .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .schedule-form .form-actions {
    margin-top: 24px;
    padding-top: 20px;
  }

  .schedules-list {
    max-height: 300px;
    padding: 12px;
  }

  .schedule-card {
    padding: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .calendar-grid {
    font-size: 12px;
  }

  .calendar-day {
    min-height: 60px;
    padding: 6px;
  }

  .calendar-day .day-num {
    font-size: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .schedule-form .btn-primary {
    width: 100%;
    justify-content: center;
  }
}

/* Cosmic Animation Effects */
@keyframes cosmicGlow {
  0%, 100% { 
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
  }
  50% { 
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.5), 0 0 60px rgba(6, 182, 212, 0.2);
  }
}

.events-container:hover,
.scheduler-container:hover {
  animation: cosmicGlow 3s ease-in-out infinite;
}

/* Loading States */
.loading-placeholder {
  text-align: center;
  padding: 40px;
  color: rgba(255, 255, 255, 0.6);
  font-style: italic;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

/* Scrollbar Styling for Cosmic Theme */
.events-container ::-webkit-scrollbar,
.scheduler-container ::-webkit-scrollbar {
  width: 8px;
}

.events-container ::-webkit-scrollbar-track,
.scheduler-container ::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.events-container ::-webkit-scrollbar-thumb,
.scheduler-container ::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border-radius: 4px;
}

.events-container ::-webkit-scrollbar-thumb:hover,
.scheduler-container ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5855eb, #7c3aed);
}

/* Responsive Design */
@media (max-width: 768px) {
  .welcome-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .welcome-title {
    font-size: 36px;
  }

  .welcome-image {
    order: -1;
  }

  .welcome-image i {
    font-size: 120px;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .dashboard-header {
    flex-direction: column;
    gap: 20px;
    align-items: stretch;
  }

  .dashboard-actions {
    justify-content: center;
  }

  .quick-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .classes-grid {
    grid-template-columns: 1fr;
  }

  .tab-container {
    display: none;
  }

  .mobile-tab-dropdown {
    display: block;
  }

  .tab-pane {
    padding: 20px 0;
  }

  .assignment-filters {
    flex-wrap: wrap;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .stat-number {
    font-size: 24px;
  }

  .empty-actions {
    flex-direction: column;
    align-items: center;
  }

  .auth-buttons {
    flex-direction: column;
    align-items: center;
  }

  .auth-section .user-profile,
  .auth-section .btn {
    display: none;
  }

  .mobile-auth-dropdown {
    display: block;
  }

  .welcome-title {
    font-size: 32px;
    text-align: center;
  }

  .tab-container {
    display: none;
  }

  .mobile-tab-dropdown {
    display: block;
  }

  /* Enhanced Mobile Tab Dropdown */
  .current-tab {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
  }

  .current-tab:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  }

  .dropdown-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
      0 25px 50px rgba(0, 0, 0, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 0.6);
  }

  /* Mobile Calendar Improvements */
  .calendar-day {
    min-height: 70px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
  }

  .calendar-day:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.02);
  }
}

@media (max-width: 480px) {
  .auth-profile-button {
    padding: 6px 10px;
  }

  .auth-profile-button .avatar {
    width: 28px;
    height: 28px;
  }

  .welcome-title {
    font-size: 28px;
  }

  .dashboard-title h1 {
    font-size: 24px;
  }

  .spinner {
    width: 50px;
    height: 50px;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0f172a;
    --surface: #1e293b;
    --border: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(139, 92, 246, 0.8));
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* ============ ENHANCED RESPONSIVE DESIGN ============ */

/* Extra Large Screens */
@media (min-width: 1536px) {
  .welcome-container,
  .dashboard-container {
    max-width: 1536px;
  }
  
  .welcome-title {
    font-size: var(--font-5xl);
  }
  
  .quick-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3xl);
  }
  
  .classes-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Large Screens */
@media (max-width: 1280px) {

  .classes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Medium Screens */
@media (max-width: 1024px) {
  .header-container {
    padding: 0 var(--space-xl);
  }
  
  .welcome-container {
    gap: var(--space-4xl);
  }
  
  .welcome-title {
    font-size: var(--font-3xl);
  }
  
  .quick-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
  
  .classes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tab-container {
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .tab-container::-webkit-scrollbar {
    display: none;
  }
}

/* Tablet Portrait */
@media (max-width: 768px) {
  .header-container {
    padding: 0 var(--space-lg);
    height: 64px;
  }
  
  .logo {
    font-size: var(--font-lg);
  }
  
  .auth-section .user-profile,
  .auth-section .btn:not(.mobile-auth-dropdown .btn) {
    display: none;
  }
  
  .mobile-auth-dropdown {
    display: block;
  }
  
  .welcome-section {
    padding: var(--space-5xl) 0;
  }
  
  .welcome-container {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    text-align: center;
    padding: 0 var(--space-xl);
  }
  
  .welcome-image {
    order: -1;
  }
  
  .welcome-title {
    font-size: var(--font-3xl);
  }
  
  .welcome-subtitle {
    font-size: var(--font-base);
  }
  
  .auth-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .features {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .dashboard-section {
    padding: var(--space-3xl) 0;
  }

  
  .dashboard-header {
    flex-direction: column;
    gap: var(--space-xl);
    text-align: center;
  }
  
  .dashboard-actions {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .tab-container {
    display: none;
  }
  
  .mobile-tab-dropdown {
    display: block;
  }
  
  .quick-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
  
  .classes-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .assignment-filters {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .filter-btn {
    flex: 1;
    min-width: 100px;
  }
  
  .modal-content {
    margin: var(--space-lg);
    max-height: 90vh;
    overflow-y: auto;
  }
}

/* Mobile Portrait */
@media (max-width: 480px) {
  .header-container {
    padding: 0 var(--space-lg);
    height: 60px;
  }
  
  .logo {
    font-size: var(--font-base);
  }
  
  .logo img {
    width: 24px;
    height: 24px;
  }
  
  .welcome-section {
    padding: var(--space-4xl) 0;
    min-height: calc(100vh - 60px);
  }
  
  .welcome-container {
    padding: 0 var(--space-lg);
    gap: var(--space-2xl);
  }
  
  .welcome-title {
    font-size: var(--font-2xl);
    margin-bottom: var(--space-md);
  }
  
  .welcome-subtitle {
    font-size: var(--font-sm);
    margin-bottom: var(--space-2xl);
  }
  
  .auth-buttons {
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
  }
  
  .auth-buttons .btn {
    width: 100%;
    padding: var(--space-lg);
    font-size: var(--font-base);
  }
  
  .features {
    gap: var(--space-md);
  }
  
  .feature {
    font-size: var(--font-sm);
    gap: var(--space-sm);
  }
  
  .welcome-image i {
    font-size: 80px;
  }
  
  .dashboard-section {
    padding: var(--space-2xl) 0;
  }
  
  .dashboard-container {
    padding: 0 var(--space-lg);
  }
  
  .dashboard-title h1 {
    font-size: var(--font-2xl);
  }
  
  .dashboard-title p {
    font-size: var(--font-sm);
  }
  
  .dashboard-actions {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .dashboard-actions .btn {
    width: 100%;
  }
  
  .quick-stats {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .stat-card {
    padding: var(--space-lg);
    text-align: center;
  }
  
  .stat-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
    margin: 0 auto;
  }
  
  .stat-number {
    font-size: var(--font-2xl);
  }
  
  .current-tab {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-sm);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .form-actions {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .form-actions .btn {
    width: 100%;
  }
  
  .class-card {
    padding: var(--space-lg);
  }
  
  .class-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  
  .assignment-filters {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xs);
  }
  
  .filter-btn {
    padding: var(--space-sm);
    font-size: var(--font-xs);
  }
  
  .modal-content {
    margin: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius);
  }
  
  .modal-header h2 {
    font-size: var(--font-lg);
  }
}

/* Ultra Mobile */
@media (max-width: 360px) {
  .header-container {
    padding: 0 var(--space-md);
  }
  
  .welcome-container,
  .dashboard-container {
    padding: 0 var(--space-md);
  }
  
  .welcome-title {
    font-size: var(--font-xl);
  }
  
  .auth-buttons .btn {
    padding: var(--space-md);
    font-size: var(--font-sm);
  }
  
  .quick-stats {
    gap: var(--space-sm);
  }
  
  .stat-card {
    padding: var(--space-md);
  }
  
  .classes-grid {
    gap: var(--space-md);
  }
  
  .assignment-filters {
    grid-template-columns: 1fr;
  }
}

/* ============ ADDITIONAL MISSING STYLES ============ */

/* Tab System Enhancement */
.tab-navigation {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--space-sm);
  margin-bottom: var(--space-3xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

/* Hero variant for tab navigation (dark gradient header-like section) */
.tab-navigation.tab-navigation--hero {
  background: linear-gradient(135deg, #2d3748 0%, #1a202c 50%, #2b6cb0 100%);
  color: var(--text-white);
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
}

.tab-navigation.tab-navigation--hero .tab-container {
  gap: var(--space-sm);
}

.tab-navigation.tab-navigation--hero .tab-button {
  color: rgba(255, 255, 255, 0.9);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.tab-navigation.tab-navigation--hero .tab-button:hover {
  color: #fff;
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.tab-navigation.tab-navigation--hero .tab-button.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
  border-color: transparent;
  box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.3), 0 4px 6px -2px rgba(6, 182, 212, 0.2);
}

.tab-navigation.tab-navigation--hero .tab-button::before,
.tab-navigation.tab-navigation--hero .tab-button.active::before,
.tab-navigation.tab-navigation--hero .tab-button:hover::before {
  display: none;
}

.tab-navigation.tab-navigation--hero .mobile-tab-dropdown .current-tab {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tab-navigation.tab-navigation--hero .mobile-tab-dropdown .dropdown-content {
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tab-navigation.tab-navigation--hero .mobile-tab-dropdown .dropdown-content .tab-button {
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tab-navigation.tab-navigation--hero .mobile-tab-dropdown .dropdown-content .tab-button:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.tab-container {
  display: flex;
  gap: var(--space-xs);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tab-container::-webkit-scrollbar {
  display: none;
}

.tab-button {
  padding: var(--space-md) var(--space-xl);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  font-weight: 500;
  white-space: nowrap;
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.tab-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tab-button:hover {
  color: var(--text-primary);
  transform: translateY(-1px);
}

.tab-button:hover::before {
  opacity: 0.1;
}

.tab-button.active {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-colored);
}

.tab-button.active::before {
  opacity: 0;
}

/* Mobile Tab Dropdown */
.mobile-tab-dropdown {
  display: none;
  position: relative;
  margin-bottom: var(--space-2xl);
}

.current-tab {
  width: 100%;
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  transition: all var(--transition-base);
}

.current-tab:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  margin-top: var(--space-sm);
}

.dropdown-content.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-content .tab-button {
  width: 100%;
  text-align: left;
  border-radius: 0;
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border-light);
}

.dropdown-content .tab-button:last-child {
  border-bottom: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-content .tab-button:first-child {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Tab Content */
.tab-content {
  min-height: 400px;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Dashboard Header Enhancement */
.dashboard-header {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  padding: var(--space-3xl);
  border-radius: var(--radius-2xl);
  margin-bottom: var(--space-3xl);
  position: relative;
  overflow: hidden;
}

.dashboard-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23f1f5f9" fill-opacity="0.4"><circle cx="30" cy="30" r="1.5"/></g></svg>');
  opacity: 0.5;
}

.dashboard-title {
  position: relative;
  z-index: 2;
}

.dashboard-title h1 {
  font-size: var(--font-4xl);
  font-weight: 800;
  margin-bottom: var(--space-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dashboard-title p {
  color: var(--text-secondary);
  font-size: var(--font-lg);
  font-weight: 400;
}

.dashboard-actions {
  display: flex;
  gap: var(--space-md);
  position: relative;
  z-index: 2;
}

/* Enhanced Quick Stats */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-5xl);
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: conic-gradient(from 0deg, transparent, rgba(59, 130, 246, 0.1), transparent);
  opacity: 0;
  transition: all var(--transition-slow);
  animation: rotate 4s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.stat-card:hover::after {
  opacity: 1;
}

.stat-content {
  position: relative;
  z-index: 2;
}

.stat-label {
  font-size: var(--font-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}


/* Form Enhancements */
.form-group {
  margin-bottom: var(--space-xl);
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  font-size: var(--font-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-lg);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--font-base);
  transition: all var(--transition-base);
  background: var(--surface);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group small {
  display: block;
  margin-top: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--font-xs);
}

.form-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  margin-top: var(--space-3xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* Scrollbar improvements for all browsers */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(59, 130, 246, 0.3) transparent;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: rgba(59, 130, 246, 0.3);
  border-radius: var(--radius);
  transition: background var(--transition-fast);
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.5);
}

/* Print styles */
@media print {
  .header,
  .tab-navigation,
  .dashboard-actions,
  .btn,
  .loading-overlay,
  .notification {
    display: none !important;
  }
  
  .welcome-section,
  .dashboard-section {
    background: white !important;
    color: black !important;
  }
  
  .class-card,
  .stat-card {
    break-inside: avoid;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }
}

/* ============ ENHANCED ANIMATIONS ============ */

/* Scroll animations */
@keyframes fadeInOnScroll {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Element entrance animations */
.animate-on-scroll {
  opacity: 0;
  animation: fadeInOnScroll 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Loading states */
@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.loading-shimmer {
  position: relative;
  overflow: hidden;
  background: var(--surface);
}

.loading-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 1.5s infinite;
}

/* Hover effects */
.hover-lift {
  transition: all var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hover-glow {
  transition: all var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* Focus improvements */
.btn:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Dark mode preference detection */
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0f172a;
    --background-alt: #1e293b;
    --surface: #1e293b;
    --surface-hover: #334155;
    --border: #334155;
    --border-light: #475569;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --border: #000000;
    --text-primary: #000000;
    --background: #ffffff;
  }
  
  .btn {
    border-width: 2px;
  }
}

/* ============ NOTIFICATION SYSTEM ============ */

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  min-width: 320px;
  max-width: 480px;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: slideInNotification 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 500;
}

.notification::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.notification-success {
  background: rgba(16, 185, 129, 0.95);
  color: white;
}

.notification-success::before {
  background: var(--success-color);
}

.notification-error,
.notification-danger {
  background: linear-gradient(135deg, 
    rgba(239, 68, 68, 0.95) 0%, 
    rgba(220, 38, 38, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    var(--shadow-xl),
    0 0 30px rgba(239, 68, 68, 0.3);
}

.notification-error::before,
.notification-danger::before {
  background: linear-gradient(180deg, 
    var(--danger-color) 0%, 
    #dc2626 100%);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.notification-error i,
.notification-danger i {
  font-size: 1.1em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.notification-error span,
.notification-danger span {
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  line-height: 1.4;
}

.notification-error .notification-close,
.notification-danger .notification-close {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: var(--space-xs);
  transition: all var(--transition-fast);
}

.notification-error .notification-close:hover,
.notification-danger .notification-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.notification-warning {
  background: rgba(245, 158, 11, 0.95);
}

.notification-warning::before {
  background: var(--warning-color);
}

.notification-info {
  background: rgba(6, 182, 212, 0.95);
}

.notification-info::before {
  background: var(--info-color);
}

.notification-close {
  background: none;
  border: none;
  color: currentColor;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  margin-left: auto;
  opacity: 0.8;
}

.notification-close:hover {
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

@keyframes slideInNotification {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.notification.removing {
  animation: slideOutNotification 0.3s ease-in forwards;
}

@keyframes slideOutNotification {
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ============ MISSING COMPONENTS ============ */

/* Assignment Filters Enhancement */
.assignment-filters {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  padding: var(--space-sm);
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  font-weight: 500;
  font-size: var(--font-sm);
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-base);
  border-radius: var(--radius-lg);
}

.filter-btn:hover {
  color: var(--text-primary);
  transform: translateY(-1px);
}

.filter-btn:hover::before {
  opacity: 0.1;
  transform: scale(1);
}

.filter-btn.active {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-colored);
}

.filter-btn.active::before {
  opacity: 0;
}

/* Assignment List */
.assignments-list {
  display: grid;
  gap: var(--space-lg);
}

.assignment-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.assignment-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

.assignment-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.assignment-card:hover::before {
  transform: scaleY(1);
}

.assignment-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.assignment-title {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.assignment-class {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  background: var(--background-alt);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
}

.assignment-status {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.assignment-status.upcoming {
  background: var(--info-light);
  color: var(--info-color);
}

.assignment-status.completed {
  background: var(--success-light);
  color: var(--success-color);
}

.assignment-status.overdue {
  background: var(--danger-light);
  color: var(--danger-color);
}

.assignment-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.assignment-meta {
  display: flex;
  gap: var(--space-lg);
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.assignment-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Library Grid */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.library-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.library-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.library-item-image {
  height: 180px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: var(--font-3xl);
}

.library-item-content {
  padding: var(--space-xl);
}

.library-item-title {
  font-size: var(--font-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.library-item-description {
  color: var(--text-secondary);
  font-size: var(--font-sm);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.library-item-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-xs);
  color: var(--text-muted);
}

/* Posts Container */
.posts-container {
  max-width: 800px;
  margin: 0 auto;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  transition: all var(--transition-base);
}

.post-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-dark);
}

.post-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.post-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.post-author {
  font-weight: 600;
  color: var(--text-primary);
}

.post-date {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.post-content {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.post-actions {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.post-action {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: var(--font-sm);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.post-action:hover {
  color: var(--primary-color);
}

/* Invitations List */
.invitations-list {
  max-width: 600px;
  margin: 0 auto;
}

.invitation-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
}

.invitation-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.invitation-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.invitation-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: var(--font-lg);
}

.invitation-details h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.invitation-details p {
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.invitation-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Enhanced Empty States */
.empty-state {
  text-align: center;
  padding: var(--space-6xl) var(--space-2xl);
  color: var(--text-muted);
}

.empty-state i {
  font-size: var(--font-5xl);
  color: var(--text-light);
  margin-bottom: var(--space-xl);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: var(--font-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  font-weight: 600;
}

.empty-state p {
  font-size: var(--font-base);
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.empty-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   SOCIAL HUB (Friends, Chat, Notifications)
   ======================================== */

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.icon-button:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.icon-button .noti-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--danger-color);
  color: var(--text-inverse);
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  padding: 0 4px;
  box-shadow: var(--shadow-xs);
}

.icon-button .noti-badge.show {
  display: flex;
}

.social-hub {
  margin-top: var(--space-4xl);
}

.social-modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-3xl);
}

.social-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  border: 1px solid rgba(226, 232, 240, 0.6);
}

.social-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2xl);
}

.social-card-header h3 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.social-user {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.social-user-avatar {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border);
}

.social-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.social-user-info h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-primary);
}

.social-label {
  font-size: var(--font-sm);
  color: var(--text-muted);
  display: block;
}

.social-subtext {
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.social-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.tab-button {
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-button:hover {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary-color);
}

.tab-button.active {
  background: var(--primary-color);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.tab-panels {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.tab-content {
  display: none;
  min-height: 180px;
}

.tab-content.active {
  display: block;
}

/* ===== RECENT ACTIVITY PAGINATION STYLES ===== */
.activity-pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  border-top: 1px solid var(--border-light);
  background: var(--surface);
  border-radius: var(--radius-lg);
}

.load-more-activity {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  min-width: 180px;
  min-height: 44px;
}

.load-more-activity::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255,255,255,0.2), 
    transparent
  );
  transition: left 0.6s ease;
}

.load-more-activity:hover::before {
  left: 100%;
}

.load-more-activity:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.load-more-activity:active {
  transform: translateY(0);
}

.load-more-activity:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  background: var(--secondary-color);
}

.load-more-activity:disabled::before {
  display: none;
}

.load-more-activity i {
  font-size: 0.875rem;
  transition: transform 0.3s ease;
}

.load-more-activity:hover i {
  transform: translateY(2px);
}

.load-more-activity span {
  font-weight: 600;
  letter-spacing: 0.025em;
}

.pagination-info {
  opacity: 0.7;
  font-size: var(--font-xs);
  color: var(--text-muted);
  text-align: center;
  font-weight: 500;
  padding: var(--space-xs) var(--space-md);
  background: var(--background-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  animation: fadeInUp 0.3s ease;
}

/* Special styles for test mode indicators */
.pagination-info small {
  font-size: 0.75rem;
  opacity: 0.8;
}

.pagination-info small:before {
  content: "📄 ";
  opacity: 0.6;
}

/* End of data indicator */
.pagination-info:has(small:contains("All activity loaded")) {
  background: var(--success-light);
  border-color: var(--success-color);
  color: var(--success-color);
}

.pagination-info:has(small:contains("✅")) {
  background: linear-gradient(135deg, var(--success-light) 0%, rgba(16, 185, 129, 0.1) 100%);
  border-color: var(--success-color);
  color: var(--success-color);
  font-weight: 600;
}

/* Pagination container enhancements */
.activity-pagination {
  background: linear-gradient(135deg, 
    var(--surface) 0%, 
    var(--background-alt) 50%,
    var(--surface) 100%
  );
  border: 2px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  animation: slideInUp 0.4s ease;
}

@keyframes slideInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    transform: translateY(10px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Loading state for pagination */
.load-more-activity.loading {
  pointer-events: none;
  opacity: 0.8;
}

.load-more-activity.loading span {
  opacity: 0.7;
}

.load-more-activity.loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Activity timeline specific styles */
.activity-timeline {
  position: relative;
}

.activity-timeline .activity-pagination {
  margin-top: var(--space-xl);
  border-top: 2px solid var(--border-light);
  background: linear-gradient(135deg, 
    var(--surface) 0%, 
    var(--background-alt) 100%
  );
}

/* Responsive pagination */
@media (max-width: 768px) {
  .activity-pagination {
    padding: var(--space-md);
    margin-top: var(--space-lg);
  }
  
  .load-more-activity {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-xs);
    min-width: 160px;
    min-height: 40px;
  }
  
  .pagination-info {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .load-more-activity {
    width: 100%;
    justify-content: center;
    min-width: unset;
  }
  
  .activity-pagination {
    padding: var(--space-sm);
  }
}

/* Ensure pagination is visible */
.activity-pagination {
  visibility: visible !important;
  opacity: 1 !important;
  z-index: 10;
}

.load-more-activity {
  visibility: visible !important;
  opacity: 1 !important;
  display: flex !important;
}