/* ============================================
   Carousel Auto-Posting Service — Styles
   ============================================ */

:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: #e0e7ff;
  --secondary: #8b5cf6;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.3);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Typography */
h1 { font-size: 2rem; font-weight: 700; }
h2 { font-size: 1.5rem; font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navbar */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-brand span { color: var(--primary); }

.navbar-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

.navbar-nav a, .navbar-nav button {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.navbar-nav a:hover, .navbar-nav button:hover {
  background: var(--bg-input);
  color: var(--text);
  text-decoration: none;
}

.navbar-nav a.active {
  background: var(--primary);
  color: white;
}

.user-info {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-right: 8px;
}

/* Auth pages */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px);
  padding: 20px;
}

.auth-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 48px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow);
}

.auth-card h2 {
  text-align: center;
  margin-bottom: 8px;
}

.auth-card .subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 32px;
}

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

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.2s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-secondary {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); }

.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover { opacity: 0.9; }

.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover { opacity: 0.9; }

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

/* Dashboard */
.dashboard {
  padding: 32px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  text-align: center;
}

.stat-card .stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-card .stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* Generator form */
.generator-section {
  padding: 32px 0;
}

.generator-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.generator-form .full-width {
  grid-column: 1 / -1;
}

.photo-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
  position: relative;
}

.photo-upload-area:hover {
  border-color: var(--primary);
}

.photo-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.photo-upload-area .upload-icon {
  font-size: 3rem;
  margin-bottom: 8px;
}

.photo-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.photo-preview img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.preview-item {
  position: relative;
  display: inline-block;
}

.preview-item img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
}

.preview-delete {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--danger);
  color: white;
  border: none;
  cursor: pointer;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.15s, transform 0.15s;
}

.preview-delete:hover {
  background: #dc2626;
  transform: scale(1.15);
}

/* Color picker */
.color-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.color-option {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  transition: border-color 0.2s, transform 0.2s;
}

.color-option:hover { transform: scale(1.1); }
.color-option.active { border-color: white; box-shadow: 0 0 0 2px var(--primary); }

.color-auto {
  width: auto;
  border-radius: 20px;
  padding: 0 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.color-auto.active {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: none;
}

/* Carousel preview */
.carousel-preview {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 16px 0 8px;
  scroll-behavior: smooth;
  align-items: flex-start;
}

.slide-wrapper {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.slide-wrapper .slide-preview {
  flex: none;
}

.slide-download-btn {
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  padding: 4px 8px;
  text-decoration: none;
}

.carousel-preview::-webkit-scrollbar {
  height: 6px;
}
.carousel-preview::-webkit-scrollbar-track {
  background: var(--bg-input);
  border-radius: 3px;
}
.carousel-preview::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}

.slide-preview {
  flex: 0 0 280px;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s;
}

.slide-preview:hover { transform: scale(1.02); }

.slide-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-preview .slide-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  text-align: center;
  color: white;
}

.slide-preview .slide-number {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* Carousel list */
.carousel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.carousel-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: border-color 0.2s;
}

.carousel-card:hover {
  border-color: var(--primary);
}

.carousel-card-preview {
  display: flex;
  overflow: hidden;
  height: 140px;
}

.carousel-card-preview img {
  flex: 1;
  object-fit: cover;
  min-width: 0;
}

.carousel-card-body {
  padding: 16px;
}

.carousel-card-body h3 {
  margin-bottom: 4px;
}

.carousel-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.carousel-card-actions {
  display: flex;
  gap: 8px;
}

/* Status badges */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-draft { background: var(--bg-input); color: var(--text-muted); }
.badge-generating { background: #fef3c7; color: #92400e; }
.badge-ready { background: #d1fae5; color: #065f46; }
.badge-posted { background: var(--primary-light); color: var(--primary); }
.badge-error { background: #fecaca; color: #991b1b; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-failed { background: #fecaca; color: #991b1b; }

/* Social accounts */
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.social-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.social-icon.telegram { background: #0088cc; }
.social-icon.vk { background: #4a76a8; }
.social-icon.facebook { background: #1877f2; }
.social-icon.instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }

.social-card-info { flex: 1; min-width: 0; }
.social-card-info h4 { font-size: 1rem; }
.social-card-info p { color: var(--text-muted); font-size: 0.85rem; }

/* Schedule table */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
}

.schedule-table th,
.schedule-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.schedule-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.85rem;
}

.schedule-table tr:hover td {
  background: rgba(99, 102, 241, 0.05);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.3s;
}

.modal-backdrop.active .modal {
  transform: translateY(0);
}

.modal h2 {
  margin-bottom: 24px;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  gap: 16px;
}

.loading-overlay .spinner {
  width: 48px;
  height: 48px;
}

.loading-overlay p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-input);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  min-width: 300px;
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }

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

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab {
  padding: 12px 20px;
  cursor: pointer;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-size: 0.95rem;
}

.tab:hover { color: var(--text); }
.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Empty states */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  margin-bottom: 8px;
  color: var(--text);
}

/* Responsive */
@media (max-width: 768px) {
  .generator-form {
    grid-template-columns: 1fr;
  }

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

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

  .navbar {
    padding: 0 12px;
  }

  .auth-card {
    padding: 32px 24px;
  }

  .modal {
    width: 95%;
    padding: 24px;
  }
}