/* Современная дизайн-система расписания АПИМ (Осень 2026) */

:root {
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Светлая тема */
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-subtle: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-primary-subtle: #eff6ff;

  --badge-lecture-bg: #f3e8ff;
  --badge-lecture-text: #7e22ce;
  --badge-lecture-border: #d8b4fe;

  --badge-practice-bg: #e0f2fe;
  --badge-practice-text: #0369a1;
  --badge-practice-border: #bae6fd;

  --badge-online-bg: #fef3c7;
  --badge-online-text: #b45309;
  --badge-online-border: #fde68a;

  --live-color: #10b981;
  --live-bg: #ecfdf5;
  --live-border: #6ee7b7;
  --live-glow: rgba(16, 185, 129, 0.25);

  --break-color: #f59e0b;
  --break-bg: #fffbeb;
  --break-border: #fcd34d;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

[data-theme="dark"] {
  --bg-main: #0b0f17;
  --bg-card: #151c28;
  --bg-card-hover: #1e2838;
  --bg-subtle: #1a2332;
  --border-color: #243042;
  --border-focus: #60a5fa;

  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-primary-subtle: rgba(59, 130, 246, 0.15);

  --badge-lecture-bg: rgba(168, 85, 247, 0.18);
  --badge-lecture-text: #d8b4fe;
  --badge-lecture-border: rgba(168, 85, 247, 0.35);

  --badge-practice-bg: rgba(14, 165, 233, 0.18);
  --badge-practice-text: #7dd3fc;
  --badge-practice-border: rgba(14, 165, 233, 0.35);

  --badge-online-bg: rgba(245, 158, 11, 0.18);
  --badge-online-text: #fcd34d;
  --badge-online-border: rgba(245, 158, 11, 0.35);

  --live-color: #34d399;
  --live-bg: rgba(16, 185, 129, 0.15);
  --live-border: rgba(52, 211, 153, 0.4);
  --live-glow: rgba(52, 211, 153, 0.3);

  --break-color: #fbbf24;
  --break-bg: rgba(245, 158, 11, 0.15);
  --break-border: rgba(251, 191, 36, 0.4);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Контейнер */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  width: 100%;
}

/* Верхняя панель (Header) */
.header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

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

/* Переключатель групп */
.group-selector-wrap {
  display: flex;
  align-items: center;
  background-color: var(--bg-subtle);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.group-btn {
  border: none;
  background: transparent;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.group-btn:hover {
  color: var(--text-primary);
}

.group-btn.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.35);
}

/* Действия в шапке */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1.1rem;
}

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

.action-btn {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* Статус-бар реального времени (Live Bar) */
.live-bar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
  margin-bottom: 24px;
}

.live-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.live-info-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.date-pill {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.week-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--accent-primary-subtle);
  color: var(--accent-primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.live-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}

.live-status-pill.active {
  background-color: var(--live-bg);
  color: var(--live-color);
  border: 1px solid var(--live-border);
  box-shadow: 0 0 12px var(--live-glow);
}

.live-status-pill.break {
  background-color: var(--break-bg);
  color: var(--break-color);
  border: 1px solid var(--break-border);
}

.live-status-pill.idle {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  animation: pulseAnimation 2s infinite ease-in-out;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.35); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.live-clock {
  font-size: 0.9rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

/* Панель выбора недель */
.week-controls {
  margin-bottom: 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.week-controls-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.week-controls-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.week-subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.week-quick-actions {
  display: flex;
  gap: 8px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-sm.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

.weeks-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.week-chip {
  flex: 0 0 auto;
  min-width: 44px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.week-chip:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

.week-chip.active {
  background-color: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.week-chip.current-today {
  position: relative;
}

.week-chip.current-today::after {
  content: "";
  position: absolute;
  bottom: 2px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #10b981;
}

.week-chip.active.current-today::after {
  background-color: #ffffff;
}

/* Панель фильтров и поиска */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-box {
  flex: 1 1 260px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.type-filter-group {
  display: flex;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2px;
}

.type-filter-btn {
  border: none;
  background: transparent;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.type-filter-btn.active {
  background-color: var(--bg-subtle);
  color: var(--accent-primary);
  font-weight: 600;
}

/* Сетка дней расписания */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
  margin-bottom: 36px;
}

@media (max-width: 768px) {
  .schedule-grid {
    grid-template-columns: 1fr;
  }
}

/* Карточка дня */
.day-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

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

/* Подсветка текущего дня */
.day-card.is-today {
  border-color: var(--accent-primary);
  border-width: 2px;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.15);
}

.day-header {
  padding: 14px 18px;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.day-card.is-today .day-header {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(124, 58, 237, 0.05));
  border-bottom-color: rgba(37, 99, 235, 0.2);
}

.day-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.day-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.day-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.today-badge {
  background-color: var(--accent-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.day-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.day-content {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.no-classes {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

/* Карточка пары */
.pair-item {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.pair-item:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.4);
}

/* Активная пара прямо сейчас */
.pair-item.is-active-now {
  background-color: var(--live-bg);
  border-color: var(--live-border);
  border-width: 2px;
  box-shadow: 0 4px 14px var(--live-glow);
}

.live-pair-indicator {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--live-color);
}

.live-progress-bar {
  height: 100%;
  background-color: #059669;
  transition: width 1s linear;
}

.pair-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 8px;
}

.pair-time-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pair-num {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
}

.active-pair-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--live-color);
  background-color: rgba(16, 185, 129, 0.15);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.pair-subject {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
}

.pair-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.badge-lecture {
  background-color: var(--badge-lecture-bg);
  color: var(--badge-lecture-text);
  border-color: var(--badge-lecture-border);
}

.badge-practice {
  background-color: var(--badge-practice-bg);
  color: var(--badge-practice-text);
  border-color: var(--badge-practice-border);
}

.badge-online {
  background-color: var(--badge-online-bg);
  color: var(--badge-online-text);
  border-color: var(--badge-online-border);
}

.badge-room {
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.badge-note {
  background-color: var(--bg-card);
  color: var(--text-muted);
  border-color: var(--border-color);
}

.pair-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  padding-top: 8px;
  gap: 8px;
}

.pair-teacher {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.teacher-link {
  color: var(--accent-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 600;
  transition: all 0.15s ease;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  margin: -2px -6px;
}

.teacher-link:hover {
  text-decoration: underline;
  background-color: var(--accent-primary-subtle);
  color: var(--accent-primary-hover);
}

.external-link-icon {
  font-size: 0.75rem;
  opacity: 0.75;
}

.non-academic-banner {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(16, 185, 129, 0.1));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.non-academic-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.non-academic-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pair-weeks-info {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Модальное окно: Машина времени / Звонки */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.open {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.close-btn {
  border: none;
  background: transparent;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
}

.modal-body {
  padding: 20px;
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
}

.test-scenarios {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.scenario-btn {
  text-align: left;
  padding: 10px 12px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.bells-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 0.85rem;
}

.bells-table th, .bells-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.bells-table th {
  background-color: var(--bg-subtle);
  font-weight: 600;
  color: var(--text-muted);
}

.bells-table tr.break-row {
  color: var(--text-muted);
  font-style: italic;
  background-color: rgba(245, 158, 11, 0.05);
}

/* Футер */
.footer {
  margin-top: auto;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

/* Toast-уведомление */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: #1e293b;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 200;
  display: none;
  animation: toastIn 0.25s ease-out;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}