/* ═══════════════════════════════════════════════════════════════
   Polana — Стили
   Тёмная «радарная» тема, glassmorphism, анимации маркеров
   ═══════════════════════════════════════════════════════════════ */

/* ─── Переменные ─────────────────────────────────────────────── */
:root {
  /* Фоны */
  --bg-primary: hsl(220, 25%, 6%);
  --bg-secondary: hsl(220, 20%, 10%);
  --bg-glass: hsla(220, 25%, 12%, 0.75);
  --bg-glass-hover: hsla(220, 25%, 16%, 0.85);

  /* Текст */
  --text-primary: hsl(210, 20%, 92%);
  --text-secondary: hsl(210, 15%, 60%);
  --text-muted: hsl(210, 10%, 40%);

  /* Акценты */
  --color-friendly: hsl(210, 100%, 60%);
  --color-friendly-glow: hsla(210, 100%, 60%, 0.35);
  --color-friendly-bg: hsla(210, 100%, 60%, 0.12);

  --color-hostile: hsl(0, 85%, 58%);
  --color-hostile-glow: hsla(0, 85%, 58%, 0.35);
  --color-hostile-bg: hsla(0, 85%, 58%, 0.12);

  --color-accent: hsl(165, 80%, 48%);
  --color-warning: hsl(45, 100%, 55%);

  /* Бордеры */
  --border-glass: hsla(210, 20%, 40%, 0.2);
  --border-subtle: hsla(210, 20%, 30%, 0.15);

  /* Тени */
  --shadow-glass: 0 8px 32px hsla(0, 0%, 0%, 0.4);
  --shadow-lg: 0 16px 48px hsla(0, 0%, 0%, 0.5);

  /* Размеры */
  --sidebar-width: 360px;
  --stats-height: 54px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Шрифты */
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Карта ──────────────────────────────────────────────────── */
#map {
  position: absolute;
  top: var(--stats-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background: var(--bg-primary);
}

/* Убираем лишнее из Leaflet */
.leaflet-control-attribution {
  background: var(--bg-glass) !important;
  color: var(--text-muted) !important;
  font-size: 10px !important;
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-glass) !important;
  border-radius: var(--radius-sm) !important;
  padding: 2px 6px !important;
}

.leaflet-control-attribution a {
  color: var(--text-secondary) !important;
}

.leaflet-control-zoom {
  border: none !important;
  box-shadow: var(--shadow-glass) !important;
}

.leaflet-control-zoom a {
  background: var(--bg-glass) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-glass) !important;
  backdrop-filter: blur(12px) !important;
  width: 34px !important;
  height: 34px !important;
  line-height: 34px !important;
  font-size: 16px !important;
  transition: background var(--transition-fast);
}

.leaflet-control-zoom a:hover {
  background: var(--bg-glass-hover) !important;
}

/* ─── Маркер самолёта ────────────────────────────────────────── */
.aircraft-marker {
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  filter: drop-shadow(0 0 6px var(--color-friendly-glow));
}

.aircraft-marker.hostile {
  filter: drop-shadow(0 0 6px var(--color-hostile-glow));
}

.aircraft-marker svg {
  display: block;
}

/* Пульсация при обновлении */
@keyframes marker-pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}

.aircraft-marker.updated {
  animation: marker-pulse 0.5s ease-out;
}

/* ─── Leaflet Popup ──────────────────────────────────────────── */
.leaflet-popup-content-wrapper {
  background: var(--bg-glass) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-glass) !important;
  border-radius: var(--radius-md) !important;
  backdrop-filter: blur(16px) !important;
  box-shadow: var(--shadow-lg) !important;
  font-family: var(--font-ui);
}

.leaflet-popup-tip {
  background: var(--bg-glass) !important;
  border: 1px solid var(--border-glass) !important;
}

.leaflet-popup-close-button {
  color: var(--text-secondary) !important;
  font-size: 18px !important;
}

.leaflet-popup-close-button:hover {
  color: var(--text-primary) !important;
}

.popup-content {
  font-size: 13px;
  line-height: 1.6;
  min-width: 180px;
}

.popup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.popup-header .aircraft-num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
}

.popup-header .aircraft-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.popup-header .aircraft-badge.friendly {
  background: var(--color-friendly-bg);
  color: var(--color-friendly);
  border: 1px solid hsla(210, 100%, 60%, 0.3);
}

.popup-header .aircraft-badge.hostile {
  background: var(--color-hostile-bg);
  color: var(--color-hostile);
  border: 1px solid hsla(0, 85%, 58%, 0.3);
}

.popup-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 0;
}

.popup-row .label {
  color: var(--text-secondary);
  font-size: 12px;
}

.popup-row .value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
}

/* ─── Верхняя панель (stats-bar) ─────────────────────────────── */
#stats-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--stats-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.stats-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 3px;
}

.logo svg {
  opacity: 0.9;
}

/* ─── Индикатор подключения ──────────────────────────────────── */
.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 100px;
  transition: all var(--transition-smooth);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  transition: background var(--transition-smooth);
}

.status-indicator.connected {
  background: hsla(145, 70%, 45%, 0.12);
  color: hsl(145, 70%, 55%);
}

.status-indicator.connected .status-dot {
  background: hsl(145, 70%, 55%);
  box-shadow: 0 0 8px hsla(145, 70%, 55%, 0.6);
  animation: dot-pulse 2s infinite;
}

.status-indicator.disconnected {
  background: hsla(0, 70%, 50%, 0.12);
  color: hsl(0, 70%, 60%);
}

.status-indicator.disconnected .status-dot {
  background: hsl(0, 70%, 60%);
}

.status-indicator.connecting {
  background: hsla(45, 90%, 50%, 0.12);
  color: hsl(45, 90%, 55%);
}

.status-indicator.connecting .status-dot {
  background: hsl(45, 90%, 55%);
  animation: dot-pulse 1s infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* ─── Статистика ─────────────────────────────────────────────── */
.stats-center {
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.5px;
  transition: color var(--transition-fast);
}

.stat-label {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.stat-item.friendly .stat-value { color: var(--color-friendly); }
.stat-item.hostile .stat-value { color: var(--color-hostile); }

.stat-divider {
  width: 1px;
  height: 28px;
  background: var(--border-glass);
}

/* ─── Кнопки-иконки ─────────────────────────────────────────── */
.stats-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border-color: hsla(210, 20%, 50%, 0.3);
}

.icon-btn:active {
  transform: scale(0.95);
}

/* ─── Боковая панель ─────────────────────────────────────────── */
#sidebar {
  position: fixed;
  top: var(--stats-height);
  right: 0;
  bottom: 0;
  width: var(--sidebar-width);
  z-index: 900;
  background: var(--bg-glass);
  border-left: 1px solid var(--border-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth);
  will-change: transform;
}

#sidebar.sidebar-closed {
  transform: translateX(100%);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-header h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

/* ─── Фильтры ────────────────────────────────────────────────── */
.sidebar-filters {
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.filter-btn {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background: hsla(210, 100%, 60%, 0.15);
  color: var(--color-friendly);
  border-color: hsla(210, 100%, 60%, 0.3);
}

/* ─── Таблица ВС ─────────────────────────────────────────────── */
.sidebar-table-wrap {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Кастомный скроллбар */
.sidebar-table-wrap::-webkit-scrollbar {
  width: 5px;
}

.sidebar-table-wrap::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-table-wrap::-webkit-scrollbar-thumb {
  background: hsla(210, 20%, 40%, 0.3);
  border-radius: 4px;
}

.sidebar-table-wrap::-webkit-scrollbar-thumb:hover {
  background: hsla(210, 20%, 40%, 0.5);
}

#traces-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

#traces-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

#traces-table th {
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

#traces-table td {
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

#traces-table tbody tr {
  cursor: pointer;
  transition: background var(--transition-fast);
}

#traces-table tbody tr:hover {
  background: var(--bg-glass-hover);
}

#traces-table tbody tr.friendly td:first-child {
  border-left: 3px solid var(--color-friendly);
}

#traces-table tbody tr.hostile td:first-child {
  border-left: 3px solid var(--color-hostile);
}

@keyframes row-flash {
  0% { background: hsla(165, 80%, 48%, 0.15); }
  100% { background: transparent; }
}

#traces-table tbody tr.row-updated {
  animation: row-flash 0.6s ease-out;
}

/* ─── Пустое состояние боковой панели ────────────────────────── */
.sidebar-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
}

.sidebar-empty p {
  font-size: 14px;
  margin-bottom: 6px;
}

.sidebar-empty .hint {
  font-size: 12px;
  opacity: 0.6;
}

/* ─── Модалка ────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-smooth);
}

.modal.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: hsla(0, 0%, 0%, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  z-index: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  max-width: 440px;
  width: 90%;
  animation: modal-in var(--transition-spring) forwards;
}

@keyframes modal-in {
  from { transform: scale(0.92) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.modal-content > p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* ─── Drop zone ──────────────────────────────────────────────── */
.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 36px 20px;
  border: 2px dashed var(--border-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
  color: var(--text-secondary);
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--color-accent);
  background: hsla(165, 80%, 48%, 0.06);
  color: var(--text-primary);
}

.drop-zone p {
  font-size: 14px;
  font-weight: 500;
}

.drop-zone .hint {
  font-size: 12px;
  opacity: 0.5;
}

.upload-status {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
}

.upload-status.hidden {
  display: none;
}

.upload-status.success {
  background: hsla(145, 70%, 45%, 0.12);
  color: hsl(145, 70%, 55%);
  border: 1px solid hsla(145, 70%, 45%, 0.25);
}

.upload-status.error {
  background: hsla(0, 70%, 50%, 0.12);
  color: hsl(0, 70%, 60%);
  border: 1px solid hsla(0, 70%, 50%, 0.25);
}

.upload-status.loading {
  background: hsla(210, 70%, 50%, 0.12);
  color: hsl(210, 70%, 65%);
  border: 1px solid hsla(210, 70%, 50%, 0.25);
}

/* ─── Кнопки ─────────────────────────────────────────────────── */
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

.btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 100%;
  }

  .stats-center {
    gap: 12px;
  }

  .stat-value {
    font-size: 16px;
  }

  .stat-label {
    font-size: 9px;
  }

  .logo span {
    display: none;
  }
}

@media (max-width: 480px) {
  .stats-center {
    gap: 8px;
  }

  .stat-divider {
    display: none;
  }
}