/* SatTrack — Design Tokens + Layout
   Tokens copied verbatim from larun.space css/style.css :root block
   (separate Pages deployment — cannot reference larun.space assets at runtime)
*/

/* ============================================
   CSS VARIABLES (Design Tokens)
   ============================================ */
:root {
  /* Primary - Black & White */
  --space-black: #0a0a0a;
  --space-dark: #121212;
  --space-gray: #1a1a1a;
  --pure-white: #ffffff;
  --off-white: #f5f5f5;
  --medium-gray: #888888;
  --light-gray: #cccccc;
  --border-gray: #2a2a2a;

  /* Accents (subtle cosmic) */
  --cosmic-purple: #6366f1;
  --cosmic-purple-light: #818cf8;
  --star-gold: #fbbf24;
  --nebula-blue: #3b82f6;

  /* Functional */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --header-height: 56px;
  --sidebar-width: 280px;
  --rightbar-width: 300px;
  --max-content-width: 1200px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--space-black);
  color: var(--pure-white);
  font-family: var(--font-primary);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

/* ============================================
   NAV BAR
   ============================================ */
.nav {
  height: var(--header-height);
  background: var(--space-dark);
  border-bottom: 1px solid var(--border-gray);
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  gap: var(--space-md);
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--pure-white);
  font-weight: 700;
  font-size: 1rem;
}

.nav-brand .dot { color: var(--cosmic-purple); }

.nav-spacer { flex: 1; }

.nav-link {
  color: var(--medium-gray);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}
.nav-link:hover { color: var(--pure-white); }

.nav-badge {
  background: var(--cosmic-purple);
  color: var(--pure-white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ============================================
   THREE-PANEL LAYOUT
   ============================================ */
.app-shell {
  display: flex;
  height: calc(100vh - var(--header-height));
  margin-top: var(--header-height);
}

/* LEFT SIDEBAR */
.sidebar {
  width: var(--sidebar-width);
  background: var(--space-dark);
  border-right: 1px solid var(--border-gray);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-gray);
}

.sidebar-header h2 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--medium-gray);
  margin-bottom: var(--space-sm);
}

.search-box {
  width: 100%;
  background: var(--space-gray);
  border: 1px solid var(--border-gray);
  border-radius: var(--radius-md);
  color: var(--pure-white);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition-fast);
}
.search-box:focus { border-color: var(--cosmic-purple); }
.search-box::placeholder { color: var(--medium-gray); }

.filter-row {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.filter-btn {
  flex: 1;
  background: var(--space-gray);
  border: 1px solid var(--border-gray);
  border-radius: var(--radius-sm);
  color: var(--medium-gray);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: 4px;
  transition: all var(--transition-fast);
}
.filter-btn.active,
.filter-btn:hover {
  background: var(--cosmic-purple);
  border-color: var(--cosmic-purple);
  color: var(--pure-white);
}

.sat-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs);
}
.sat-list::-webkit-scrollbar { width: 4px; }
.sat-list::-webkit-scrollbar-track { background: transparent; }
.sat-list::-webkit-scrollbar-thumb { background: var(--border-gray); border-radius: 2px; }

.sat-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px var(--space-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  border: 1px solid transparent;
}
.sat-item:hover { background: var(--space-gray); }
.sat-item.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--cosmic-purple);
}

.sat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sat-dot.leo { background: var(--cosmic-purple); }
.sat-dot.meo { background: var(--nebula-blue); }
.sat-dot.geo { background: var(--star-gold); }
.sat-dot.heo { background: var(--success); }

.sat-info { flex: 1; min-width: 0; }
.sat-name {
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sat-meta { font-size: 0.7rem; color: var(--medium-gray); }

/* Grouped satellite list */
.sat-group { margin-bottom: 2px; }

.sat-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 7px var(--space-sm);
  background: var(--space-gray);
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
}
.sat-group-header:hover { background: var(--border-gray); }

.group-name {
  flex: 1;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.group-count {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--medium-gray);
  background: var(--space-dark);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}
.group-chevron {
  font-size: 0.6rem;
  color: var(--medium-gray);
  transition: transform var(--transition-fast);
}
.sat-group.collapsed .group-chevron { transform: rotate(-90deg); }
.sat-group.collapsed .sat-group-body { display: none; }

.sat-group-body { padding: 2px 0; }

.sat-list-empty {
  color: var(--medium-gray);
  font-size: 0.8rem;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.sidebar-footer {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--border-gray);
  font-size: 0.7rem;
  color: var(--medium-gray);
}

/* MAP PANEL */
.map-panel {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#map {
  width: 100%;
  height: 100%;
}

.map-overlay {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  gap: var(--space-sm);
}

.map-btn {
  background: var(--space-dark);
  border: 1px solid var(--border-gray);
  border-radius: var(--radius-md);
  color: var(--pure-white);
  padding: 6px 14px;
  font-family: var(--font-primary);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.map-btn:hover {
  border-color: var(--cosmic-purple);
  background: rgba(99, 102, 241, 0.15);
}

/* Globe.gl canvas — fill map panel exactly, no offset */
#map { position: relative; }
#map canvas { outline: none; display: block; }
#map > div  {
  position: absolute !important;
  top: 0 !important; left: 0 !important;
  width: 100% !important; height: 100% !important;
}

/* RIGHT SIDEBAR */
.rightbar {
  width: var(--rightbar-width);
  background: var(--space-dark);
  border-left: 1px solid var(--border-gray);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.panel {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-gray);
}

.panel-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--medium-gray);
  margin-bottom: var(--space-sm);
}

/* Space weather */
.weather-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.weather-label { font-size: 0.75rem; color: var(--medium-gray); }
.weather-value { font-size: 0.875rem; font-weight: 700; font-family: var(--font-mono); }
.weather-value.good { color: var(--success); }
.weather-value.moderate { color: var(--warning); }
.weather-value.high { color: var(--error); }

.kp-bar {
  height: 4px;
  background: var(--space-gray);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}
.kp-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--success);
  transition: width 0.5s ease, background 0.5s ease;
}

/* Conjunction alerts */
.conj-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xs) 0;
}
.conj-list::-webkit-scrollbar { width: 4px; }
.conj-list::-webkit-scrollbar-thumb { background: var(--border-gray); border-radius: 2px; }

.conj-item {
  padding: 8px var(--space-md);
  border-bottom: 1px solid var(--border-gray);
}
.conj-item:last-child { border-bottom: none; }

.conj-names {
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.conj-dist {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--warning);
}
.conj-dist.critical { color: var(--error); }
.conj-time { font-size: 0.65rem; color: var(--medium-gray); margin-top: 2px; }

.conj-empty {
  color: var(--medium-gray);
  font-size: 0.75rem;
  text-align: center;
  padding: var(--space-md);
}

.rightbar-scroll {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* ============================================
   PASS PANEL — right-side drawer (globe stays visible)
   ============================================ */
.modal-backdrop {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  width: var(--rightbar-width);
  background: var(--space-dark);
  border-left: 1px solid var(--border-gray);
  z-index: 800;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* slide in from right */
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}
.modal-backdrop.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: all;
}

/* The inner .modal fills the drawer */
.modal {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  width: 100%;
}

.modal-header {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-gray);
  gap: var(--space-sm);
}
.modal-title { flex: 1; font-weight: 700; font-size: 0.9rem; }
.modal-close {
  background: none;
  border: none;
  color: var(--medium-gray);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}
.modal-close:hover { color: var(--pure-white); }

.modal-body {
  padding: var(--space-md);
  overflow-y: auto;
  flex: 1;
}

.modal-subtitle {
  font-size: 0.7rem;
  color: var(--medium-gray);
  margin-bottom: var(--space-md);
}

.pass-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.68rem;
}
.pass-table th {
  text-align: left;
  color: var(--medium-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.6rem;
  padding: 4px 4px;
  border-bottom: 1px solid var(--border-gray);
}
.pass-table td {
  padding: 6px 4px;
  border-bottom: 1px solid var(--border-gray);
  font-family: var(--font-mono);
}
.pass-table tr:last-child td { border-bottom: none; }
.pass-table .good { color: var(--success); }
.pass-table .moderate { color: var(--warning); }

.modal-loading {
  text-align: center;
  color: var(--medium-gray);
  padding: var(--space-xl);
  font-size: 0.875rem;
}

.modal-error {
  color: var(--error);
  font-size: 0.875rem;
  padding: var(--space-md);
}

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: var(--space-dark);
  border: 1px solid var(--border-gray);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8rem;
  z-index: 3000;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-normal);
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ============================================
   LOADING STATE
   ============================================ */
.loading-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border-gray);
  border-top-color: var(--cosmic-purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   RESPONSIVE (tablet)
   ============================================ */
@media (max-width: 900px) {
  .rightbar { display: none; }
}
@media (max-width: 600px) {
  .sidebar { width: 200px; }
}