/* ════════════════════════════════════════════════
   MADAR · GSO Orbital Explorer — Styles
   ════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=IBM+Plex+Sans+Arabic:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #02040a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.06);
  --border-strong: rgba(255,255,255,0.12);
  --text: #e8ecf4;
  --text-muted: #8a94a8;
  --accent: #4da3ff;
  --accent2: #6fd3ff;
  --success: #35d99a;
  --warning: #f6c445;
  --danger: #f87171;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.6);
  --font-en: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-ar: 'IBM Plex Sans Arabic', sans-serif;
}

[lang="en"],:root { font-family: var(--font-en); }
[lang="ar"] { font-family: var(--font-ar); }

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html,body,#root { height: 100%; width: 100%; overflow: hidden;
  background: var(--bg); color: var(--text);
  -webkit-font-smoothing: antialiased; }

/* 3D Scene */
.scene-3d { position: fixed; inset: 0; z-index: 0; }
.scene-3d canvas { display: block; width: 100%; height: 100%; }

/* UI Overlay */
.ui-overlay { position: fixed; inset: 0; z-index: 1;
  display: flex; flex-direction: column; pointer-events: none; }
.ui-overlay > * { pointer-events: auto; }

/* Navbar */
.navbar { display: flex; align-items: center;
  justify-content: space-between; padding: 0 24px; height: 56px;
  background: rgba(2,4,10,0.7); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); }
.nav-brand { display: flex; align-items: center; gap: 8px; }
.nav-icon { color: var(--accent); }
.nav-logo { font-weight: 800; font-size: 1.1rem;
  letter-spacing: -0.02em; color: var(--text); }
.nav-tagline { color: var(--text-muted); font-size: 0.75rem; display: none; }
@media (min-width: 640px) { .nav-tagline { display: inline; } }
.nav-center { display: flex; gap: 4px; }
.nav-btn { display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  background: transparent; border: none;
  color: var(--text-muted); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all 0.15s ease; }
.nav-btn:hover { background: var(--bg-card-hover); color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 8px; }
.lang-btn { display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 0.8rem; font-weight: 500;
  cursor: pointer; transition: all 0.15s ease; }
.lang-btn:hover { background: var(--bg-card-hover); color: var(--text); }

/* Dashboard Stats */
.dashboard { display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px; padding: 16px 24px; }
.stat-card { display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(12px); transition: transform 0.15s ease; }
.stat-card:hover { transform: translateY(-2px); }
.stat-icon { width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; }
.stat-body { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-size: 1.2rem; font-weight: 700;
  letter-spacing: -0.02em; line-height: 1; }
.stat-label { font-size: 0.7rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.06em; }

/* Satellite List Panel */
.sat-list-panel { position: fixed; top: 64px; left: 16px;
  width: 340px; max-height: calc(100vh - 80px);
  display: flex; flex-direction: column;
  background: rgba(2,4,10,0.85); backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  overflow: hidden; z-index: 10;
  animation: slideInLeft 0.3s ease; }
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: none; } }
.sat-list-header { display: flex; gap: 8px; padding: 12px;
  border-bottom: 1px solid var(--border); }
.search-wrap { flex: 1; position: relative; display: flex;
  align-items: center; }
.search-icon { position: absolute; left: 10px;
  color: var(--text-muted); pointer-events: none; }
.search-input { width: 100%; padding: 8px 32px 8px 34px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border); border-radius: 999px;
  color: var(--text); font-size: 0.82rem; outline: none;
  transition: border-color 0.2s; }
.search-input:focus { border-color: var(--accent); }
.search-clear { position: absolute; right: 10px;
  color: var(--text-muted); cursor: pointer; }
.search-clear:hover { color: var(--text); }
.filter-toggle { display: flex; align-items: center; gap: 4px;
  padding: 8px 12px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer; transition: all 0.15s; }
.filter-toggle:hover { background: var(--bg-card-hover); color: var(--text); }

.filter-bar { display: flex; gap: 8px; padding: 8px 12px;
  border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.filter-bar select { flex: 1; min-width: 100px; padding: 6px 10px;
  border-radius: var(--radius-sm); background: rgba(255,255,255,0.05);
  border: 1px solid var(--border); color: var(--text);
  font-size: 0.78rem; outline: none; cursor: pointer; }
.clear-filters { padding: 6px 12px; border-radius: 999px;
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.2);
  color: var(--danger); font-size: 0.75rem; cursor: pointer; }
.clear-filters:hover { background: rgba(248,113,113,0.2); }

.sat-list-count { padding: 8px 14px; font-size: 0.75rem;
  color: var(--text-muted); border-bottom: 1px solid var(--border); }
.sat-list-scroll { flex: 1; overflow-y: auto; padding: 4px; }
.sat-list-scroll::-webkit-scrollbar { width: 4px; }
.sat-list-scroll::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1); border-radius: 4px; }

.sat-row { display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; margin: 2px 0; border-radius: var(--radius-sm);
  cursor: pointer; transition: all 0.15s ease; }
.sat-row:hover { background: var(--bg-card-hover); }
.sat-row.selected { background: rgba(77,163,255,0.1);
  border: 1px solid rgba(77,163,255,0.2); }
.sat-row-icon { color: var(--accent); opacity: 0.7; }
.sat-row-body { flex: 1; min-width: 0; }
.sat-row-name { display: block; font-size: 0.85rem; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sat-row-meta { display: flex; align-items: center; gap: 4px;
  font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }
.sat-row-status { width: 8px; height: 8px; border-radius: 50%;
  flex-shrink: 0; }

.empty-state { display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
  padding: 40px 20px; color: var(--text-muted); text-align: center;}
.empty-state p { font-size: 0.9rem; font-weight: 600; }
.empty-state span { font-size: 0.78rem; }

/* Satellite Detail Panel */
.sat-panel { position: fixed; top: 64px; right: 16px;
  width: 340px; max-height: calc(100vh - 80px);
  display: flex; flex-direction: column;
  background: rgba(2,4,10,0.88); backdrop-filter: blur(20px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  z-index: 10; animation: slideInRight 0.3s ease; }
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: none; } }
.sat-panel-header { display: flex; align-items: flex-start;
  justify-content: space-between; padding: 16px;
  border-bottom: 1px solid var(--border); }
.sat-panel-title { display: flex; align-items: flex-start; gap: 10px; }
.sat-panel-title h3 { font-size: 1rem; font-weight: 700; line-height: 1.3; }
.sat-panel-badge { font-size: 0.65rem; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.08em;
  background: rgba(77,163,255,0.1); padding: 2px 8px;
  border-radius: 999px; display: inline-block; margin-top: 4px; }
.panel-close { padding: 6px; border-radius: 999px;
  background: transparent; border: none; color: var(--text-muted);
  cursor: pointer; transition: all 0.15s; }
.panel-close:hover { background: var(--bg-card-hover); color: var(--text); }
.sat-panel-status { display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; font-size: 0.82rem;
  border-bottom: 1px solid var(--border); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.sat-panel-body { flex: 1; overflow-y: auto; padding: 8px; }
.detail-row { display: flex; align-items: center;
  justify-content: space-between; gap: 8px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  font-size: 0.8rem; }
.detail-row:hover { background: var(--bg-card); }
.detail-row-label { display: flex; align-items: center; gap: 6px;
  color: var(--text-muted); flex-shrink: 0; }
.detail-row-value { text-align: right; font-weight: 500; font-size: 0.8rem; }
[dir="rtl"] .detail-row-value { text-align: left; }

/* About Panel */
.about-panel { position: fixed; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 440px; max-width: calc(100vw - 40px);
  background: rgba(2,4,10,0.9); backdrop-filter: blur(24px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 28px; z-index: 20; animation: fadeUp 0.3s ease; }
.about-panel h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; }
.about-panel p { font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.7; margin-bottom: 16px; }
.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px); z-index: 19; animation: fadeIn 0.2s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; } }

/* Responsive */
@media (max-width: 768px) {
  .dashboard { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    padding: 10px 12px; gap: 6px; }
  .stat-card { padding: 8px 10px; }
  .stat-num { font-size: 1rem; }
  .stat-label { font-size: 0.65rem; }
  .nav-center .nav-btn span { display: none; }
  .sat-list-panel { left: 8px; right: 8px; width: auto; }
  .sat-panel { left: 8px; right: 8px; width: auto; }
}
@media (max-width: 480px) {
  .navbar { padding: 0 12px; }
  .nav-tagline { display: none; }
  .lang-btn span { display: none; }
  .dashboard { grid-template-columns: repeat(3, 1fr); }
  .stat-icon { width: 28px; height: 28px; }
  .stat-icon svg { width: 14px; height: 14px; }
}