@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --bg-deep: #080B11;
  --bg-dark: #0F131E;
  --bg-card: rgba(20, 27, 41, 0.65);
  --bg-card-hover: rgba(28, 38, 57, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(139, 92, 246, 0.25);
  
  --primary: #8B5CF6;       /* Neon Violet */
  --primary-glow: rgba(139, 92, 246, 0.5);
  --secondary: #4F46E5;     /* Royal Indigo */
  --accent: #06B6D4;        /* Electric Cyan */
  --accent-glow: rgba(6, 182, 212, 0.35);
  
  --success: #10B981;       /* Emerald */
  --warning: #F59E0B;       /* Amber */
  --error: #EF4444;         /* Rose Red */
  
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  
  /* Layout variables */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* Reset & Core styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Stunning Ambient Glow Background Gradients */
body::before, body::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  z-index: -1;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

body::before {
  top: 10%;
  left: 5%;
  background: var(--primary);
}

body::after {
  bottom: 10%;
  right: 5%;
  background: var(--accent);
}

/* Typography Styling */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.25rem;
  background: linear-gradient(135deg, #FFF 30%, var(--primary) 70%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.75rem;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

p {
  color: var(--text-secondary);
}

/* Auth Pages Styling (Register & Login) */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem;
}

.auth-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 50px rgba(139, 92, 246, 0.05);
  transform: translateY(0);
  transition: var(--transition);
}

.auth-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 60px rgba(139, 92, 246, 0.1);
}

.auth-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.auth-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  margin-bottom: 0.75rem;
  letter-spacing: -0.04em;
}

/* Premium Inputs & Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  background: rgba(15, 19, 30, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.875rem 1.25rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
  background: var(--bg-dark);
}

/* High-End Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #FFF;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

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

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

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #0891B2 100%);
  color: #0F131E;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.45);
}

.auth-footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9rem;
}

.auth-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.auth-link:hover {
  text-decoration: underline;
}

/* Core Dashboard Layout */
.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background: rgba(15, 19, 30, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  letter-spacing: -0.03em;
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-item:hover, .nav-item.active {
  color: var(--text-primary);
  background: var(--border-color);
}

.nav-item.active {
  border-bottom: 2px solid var(--primary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: rgba(139, 92, 246, 0.08);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-badge {
  background: var(--border-color);
  padding: 0.375rem 0.875rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

/* Dashboard Main Content Grid */
.main-content {
  flex: 1;
  padding: 2.5rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Glassmorphic Dashboard Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Platform Checklist Styling */
.platform-select-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.platform-checkbox-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 0.75rem;
  background: rgba(15, 19, 30, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  gap: 0.5rem;
  text-align: center;
}

.platform-checkbox-label input {
  display: none;
}

.platform-checkbox-label svg {
  width: 32px;
  height: 32px;
  fill: var(--text-secondary);
  transition: var(--transition);
}

.platform-checkbox-label span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.platform-checkbox-label:hover {
  border-color: var(--border-glow);
  background: rgba(139, 92, 246, 0.05);
}

.platform-checkbox-label input:checked + svg {
  fill: var(--primary);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.platform-checkbox-label input:checked + svg + span {
  color: var(--text-primary);
}

.platform-checkbox-label input:checked + * + * {
  color: var(--text-primary);
}

.platform-checkbox-label.checked {
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.1);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.1);
}

/* Active Sync Queue Cards */
.sync-queue-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.queue-card {
  background: rgba(15, 19, 30, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: var(--transition);
}

.queue-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.queue-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.queue-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
}

.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-processing { background: rgba(6, 182, 212, 0.15); color: var(--accent); }
.badge-completed { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-failed { background: rgba(239, 68, 68, 0.15); color: var(--error); }

/* Custom Progress Bar */
.progress-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 10px;
  width: 0%;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--accent-glow);
}

.queue-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Integrations Settings Cards */
.integrations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.integration-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.integration-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--text-muted);
}

.integration-card.connected::before {
  background: var(--success);
}

.integration-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.integration-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.platform-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.platform-icon {
  width: 40px;
  height: 40px;
  fill: var(--text-primary);
}

.platform-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.platform-status {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  text-transform: uppercase;
}

.status-connected {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.status-disconnected {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
}

.integration-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* LMS Copy Hub / Video Library Grid */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
}

.library-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.library-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 10px 25px rgba(139, 92, 246, 0.08);
}

.video-info {
  flex: 1;
  margin-bottom: 1.25rem;
}

.video-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.video-timestamp {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Glowing Interactive Copy Pills */
.copy-actions-hub {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.copy-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.copy-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.copy-pill.success {
  background: rgba(16, 185, 129, 0.15) !important;
  color: var(--success) !important;
  border-color: var(--success) !important;
  animation: pulse-success 0.4s ease;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-success {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* Notification Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: rgba(15, 19, 30, 0.95);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 1rem 1.5rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(8px);
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-error { border-left-color: var(--error); }

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

/* Empty states */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  fill: var(--text-muted);
  margin-bottom: 1rem;
}

/* Dynamic Source Selector Tabs */
.source-tab-container {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.source-tab {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.source-tab:hover, .source-tab.active {
  color: var(--text-primary);
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.1);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.05);
}

/* Drag-and-drop File Upload Zones */
.file-drop-zone {
  border: 2px dashed var(--border-color);
  background: rgba(15, 19, 30, 0.45);
  padding: 2.25rem 1.5rem;
  text-align: center;
  border-radius: var(--radius-md);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.file-drop-zone:hover, .file-drop-zone.dragover {
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.03);
  box-shadow: inset 0 0 20px rgba(139, 92, 246, 0.03);
}

.file-drop-zone p {
  font-size: 0.9rem;
  margin-top: 0.25rem;
}