/* ============================================================
   ANGKAXA — Satellite Lab Simulation
   web.css — T-46 Deep Space Theme
   Dibuat: Fase 4H
   ============================================================ */

/* Section 0 — Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@300;400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* ============================================================
   Section 1 — CSS Variables
   ============================================================ */
:root {
  /* Brand — Light: neutral gray + readable cyan */
  --color-primary:       #0099BB;
  --color-primary-dark:  #007A96;
  --color-primary-light: #E0F7FC;
  --color-accent:        #C09000;
  --color-accent-hover:  #A07800;

  /* Semantic */
  --color-success:       #16A34A;  --color-success-light: #DCFCE7;
  --color-warning:       #C09000;  --color-warning-light: #FEF3C7;
  --color-danger:        #DC2626;  --color-danger-light:  #FEE2E2;
  --color-info:          #0099BB;  --color-info-light:    #E0F7FC;
  --color-purple:        #6D5ACF;  --color-purple-light:  #EDE9FE;

  /* Surface — Light: neutral gray (daytime ops center) */
  --bg-page:     #F2F2F4;
  --bg-surface:  #FFFFFF;
  --bg-elevated: #EAEAEC;
  --bg-sidebar:  #0D1117;
  --bg-hover:    #E4E4E8;

  /* Text */
  --text-primary:   #111118;
  --text-secondary: #44444E;
  --text-muted:     #88888E;

  /* Border */
  --border-default: #DCDCE0;
  --border-strong:  #B8B8C0;

  /* Shadow */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.09);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);

  /* Layout */
  --header-height: 60px;
  --sidebar-width: 240px;

  /* Z-index */
  --z-sidebar:       100;
  --z-dropdown:      150;
  --z-modal:         200;
  --z-modal-content: 201;
  --z-toast:         500;

  /* Radius */
  --radius-sm:   4px;
  --radius-md:   6px;
  --radius-lg:   8px;
  --radius-xl:   12px;
  --radius-full: 9999px;

  /* Transition */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;

  /* ANGKAXA — Orbit colors */
  --orbit-lapan-a2:  #B8940A;
  --orbit-lapan-a3:  #006D8A;
  --orbit-iss:       #16A34A;
  --orbit-custom:    #5B4FCF;
  --orbit-transfer:  #EA7C2A;

  /* ANGKAXA — Space environment */
  --van-allen-inner: rgba(220,38,38,0.25);
  --van-allen-outer: rgba(245,158,11,0.20);
  --saa-zone:        rgba(220,38,38,0.35);

  /* ANGKAXA — Telemetry */
  --telemetry-nominal:   #16A34A;
  --telemetry-warning:   #B8940A;
  --telemetry-critical:  #DC2626;
  --telemetry-safe-mode: #5B4FCF;
}

/* Dark mode — dari desain lama (Cyan Space) */
[data-theme="dark"] {
  --color-primary:       #00D9FF;
  --color-primary-dark:  #00B8D4;
  --color-primary-light: rgba(0,217,255,0.15);
  --color-accent:        #FFD700;
  --color-accent-hover:  #E6C200;
  --color-info:          #00D9FF;  --color-info-light:  rgba(0,217,255,0.15);
  --color-purple:        #9B59B6;  --color-purple-light: rgba(155,89,182,0.20);
  --color-warning:       #FFC107;  --color-warning-light: rgba(255,193,7,0.15);

  --bg-page:     #0D1117;
  --bg-surface:  #161B22;
  --bg-elevated: #21262D;
  --bg-sidebar:  #010409;
  --bg-hover:    rgba(0,217,255,0.08);

  --text-primary:   rgba(255,255,255,0.85);
  --text-secondary: rgba(255,255,255,0.60);
  --text-muted:     rgba(255,255,255,0.40);

  --border-default: rgba(255,255,255,0.10);
  --border-strong:  rgba(255,255,255,0.22);

  --shadow-xs: 0 1px 2px rgba(0,217,255,0.05);
  --shadow-sm: 0 1px 4px rgba(0,217,255,0.08);
  --shadow-md: 0 4px 16px rgba(0,217,255,0.12);
  --shadow-lg: 0 8px 32px rgba(0,217,255,0.18);

  --orbit-lapan-a2:  #FFD700;
  --orbit-lapan-a3:  #00D9FF;
  --orbit-iss:       #4ECDC4;
  --orbit-custom:    #9B59B6;
  --orbit-transfer:  #FF6B35;

  --telemetry-nominal:   #28A745;
  --telemetry-warning:   #FFC107;
  --telemetry-critical:  #DC3545;
  --telemetry-safe-mode: #9B59B6;
}

/* ============================================================
   Section 2 — CSS Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button { appearance: none; -webkit-appearance: none; background: none; border: none; outline: none; cursor: pointer; font-family: inherit; font-size: inherit; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
input, select, textarea { font-family: inherit; font-size: inherit; }
html { font-family: 'Chakra Petch', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; font-size: 14px; -webkit-font-smoothing: antialiased; }
body { background: var(--bg-page); color: var(--text-primary); line-height: 1.5; }

/* ============================================================
   Section 3 — Layout & App Shell
   ============================================================ */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.app-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  transition: width var(--transition-base);
  border-right: 1px solid var(--border-default);
  position: relative;
  z-index: var(--z-sidebar);
}
.app-sidebar.collapsed {
  width: 60px;
  overflow: visible;  /* allow tooltip ::after to escape sidebar boundary */
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.app-header {
  height: var(--header-height);
  flex-shrink: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
}

.app-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  background: var(--bg-page);
}

@media (max-width: 640px) { .app-content { padding: 16px; } }

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  display: none;
}
.sidebar-overlay.open { display: block; }

/* MCC Layout — ANGKAXA Lab Operasional */
.mcc-layout { display: flex; flex-direction: column; height: 100vh; overflow: hidden; background: var(--bg-page); }
.mcc-inner  { display: flex; flex: 1; overflow: hidden; padding-top: 52px; }
.mcc-panel-left   { width: 320px; flex-shrink: 0; border-right: 1px solid var(--border-default); overflow-y: auto; background: var(--bg-surface); }
.mcc-panel-center { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.mcc-panel-right  { width: 320px; flex-shrink: 0; border-left: 1px solid var(--border-default); overflow-y: auto; background: var(--bg-surface); }

/* ============================================================
   Section 4 — Sidebar Components
   ============================================================ */
.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
  /* TANPA border-bottom */
}

.brand-logo {
  width: 32px; height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 14px;
  flex-shrink: 0;
}

.brand-info { flex: 1; min-width: 0; }
.brand-name { font-size: 14px; font-weight: 700; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-sub  { font-size: 11px; color: var(--text-muted); margin-top: 1px; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
  display: flex;
  flex-direction: column;
}

.nav-section { margin-bottom: 4px; }

.nav-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: rgba(255,255,255,0.30);
  padding: 8px 16px 4px;
  display: block;
}

.nav-section-divider {
  display: none;
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 4px 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  cursor: pointer;
  color: rgba(255,255,255,0.60);
  font-size: 14px;
  transition: background var(--transition-fast), color var(--transition-fast);
  position: relative;
  text-decoration: none;
}
/* Sidebar selalu dark — nav text hardcode putih/cyan */
.nav-item:hover { background: rgba(0,217,255,0.08); color: #00D9FF; }
.nav-item.active {
  color: #00D9FF;
  background: rgba(0,217,255,0.12);
  border-left: 3px solid #00D9FF;
  padding-left: 13px;
}
.nav-item.active .nav-icon { color: #00D9FF; }

.nav-icon  { width: 18px; flex-shrink: 0; text-align: center; }
.nav-label { flex: 1; }
.nav-arrow { font-size: 11px; transition: transform var(--transition-fast); }
.nav-item.open > .nav-arrow { transform: rotate(90deg); }

.nav-badge {
  font-size: 11px;
  background: var(--color-danger);
  color: white;
  border-radius: var(--radius-full);
  padding: 1px 6px;
  font-weight: 600;
  min-width: 18px;
  text-align: center;
}
.nav-badge:empty { display: none; }

.nav-sub-item {
  display: flex; align-items: center;
  padding: 6px 16px 6px 44px;
  font-size: 13px; color: var(--text-muted); cursor: pointer;
}
.nav-sub-item:hover { color: white; }
.nav-sub-item.active { color: var(--color-primary); }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--text-muted); }
.btn-logout { color: var(--text-muted); padding: 4px; }
.btn-logout:hover { color: white; }

/* Collapsed sidebar */
.app-sidebar.collapsed .brand-info,
.app-sidebar.collapsed .nav-label,
.app-sidebar.collapsed .nav-arrow,
.app-sidebar.collapsed .nav-badge,
.app-sidebar.collapsed .nav-section-label,
.app-sidebar.collapsed .user-info,
.app-sidebar.collapsed .btn-logout { display: none; }

.app-sidebar.collapsed .nav-section-divider { display: block; }
.app-sidebar.collapsed .nav-item { justify-content: center; padding: 10px 0; border-left: none; }
.app-sidebar.collapsed .nav-item.active { border-left: none; background: var(--color-primary-light); }
.app-sidebar.collapsed .sidebar-brand { justify-content: center; padding: 0; }
.app-sidebar.collapsed .sidebar-footer { justify-content: center; padding: 12px 0; gap: 0; }

/* Collapsed sidebar-nav: scroll tetap aktif, tooltip dihandle JS position:fixed */
.app-sidebar.collapsed .sidebar-nav { overflow-y: auto; }

/* Tooltip via JS — position:fixed, tidak terpengaruh overflow ancestor */
#sidebar-tooltip {
  position: fixed;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 4px 10px;
  font-size: 13px;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  z-index: var(--z-dropdown);
  opacity: 0;
  transition: opacity var(--transition-fast);
  transform: translateY(-50%);
}

/* ============================================================
   Section 5 — Header Bar
   ============================================================ */
.header-left { display: flex; align-items: center; gap: 12px; }
.header-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }

.header-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-secondary); }
.breadcrumb-sep     { color: var(--text-muted); }
.breadcrumb-current { font-weight: 600; color: var(--text-primary); }

.header-sync { font-size: 12px; color: var(--text-muted); }

.bell-wrapper { position: relative; }
.bell-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--color-danger); color: white;
  font-size: 10px; font-weight: 700; border-radius: var(--radius-full);
  min-width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 3px; border: 2px solid var(--bg-surface);
}

/* ============================================================
   Section 6 — Buttons (explicit height)
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 16px;
  border-radius: var(--radius-md); font-size: 14px; font-weight: 500;
  cursor: pointer; white-space: nowrap;
  transition: filter var(--transition-fast), transform var(--transition-fast);
}
.btn:hover  { filter: brightness(0.92); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

.btn-xs { height: 24px; padding: 0 8px;  font-size: 11px; }
.btn-sm { height: 30px; padding: 0 12px; font-size: 13px; }
.btn-lg { height: 44px; padding: 0 20px; font-size: 16px; }
.btn-xl { height: 52px; padding: 0 24px; font-size: 16px; }

.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--radius-md); color: var(--text-secondary); }
.btn-icon:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-icon.btn-xs { width: 24px; height: 24px; border-radius: var(--radius-sm); }
.btn-icon.btn-sm { width: 30px; height: 30px; }
.btn-icon.btn-lg { width: 44px; height: 44px; }

.btn-primary   { background: var(--color-primary); color: white; }
[data-theme="dark"] .btn-primary { color: #000; }
.btn-secondary { background: transparent; border: 1px solid var(--border-default); color: var(--text-primary); }
.btn-outline   { background: transparent; border: 1px solid var(--color-primary); color: var(--color-primary); }
.btn-ghost     { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); }
.btn-danger    { background: var(--color-danger); color: white; }
.btn-danger-outline { background: transparent; border: 1px solid var(--color-danger); color: var(--color-danger); }
.btn-success   { background: var(--color-success); color: white; }
.btn-link      { background: transparent; color: var(--color-primary); padding: 0; height: auto; text-decoration: underline; }

.btn.loading { position: relative; color: transparent; pointer-events: none; }
.btn.loading::after {
  content: ''; position: absolute; inset: 0; margin: auto;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: white;
  border-radius: 50%; animation: spin 0.6s linear infinite;
}
.btn-secondary.loading::after, .btn-ghost.loading::after, .btn-outline.loading::after {
  border-color: rgba(0,0,0,0.15); border-top-color: var(--text-primary);
}

.btn-back {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border: 1px solid var(--border-default); border-radius: var(--radius-sm);
  color: var(--text-secondary); background: transparent; text-decoration: none; flex-shrink: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.btn-back:hover { background: var(--bg-elevated); color: var(--text-primary); }

/* ANGKAXA domain buttons */
.btn-run-sim     { background: var(--color-primary); color: white; }
.btn-start-exercise { background: var(--color-success); color: white; }
.btn-end-session { background: transparent; border: 1px solid var(--color-danger); color: var(--color-danger); }
.btn-command     { background: var(--color-warning); color: #02010A; }

/* ============================================================
   Section 7 — Cards
   ============================================================ */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  overflow: hidden;
}

.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-default);
}
.card-header-actions { display: flex; gap: 8px; align-items: center; }
.card-title { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.card-sub   { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.card-body  { padding: 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border-default);
  background: var(--bg-elevated);
  display: flex; align-items: center; justify-content: space-between;
}

/* Stat Card — CANONICAL .stat-card */
.stat-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-default);
  border-top: 3px solid transparent;
  padding: 20px;
  display: flex; align-items: flex-start; gap: 16px;
}
.stat-primary { border-top-color: var(--color-primary); }
.stat-success { border-top-color: var(--color-success); }
.stat-warning { border-top-color: var(--color-warning); }
.stat-danger  { border-top-color: var(--color-danger);  }
.stat-info    { border-top-color: var(--color-info);    }

.stat-icon  { width: 44px; height: 44px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.stat-body  { flex: 1; min-width: 0; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.stat-trend { font-size: 12px; margin-top: 4px; display: flex; align-items: center; gap: 4px; }
.trend-up   { color: var(--color-success); }
.trend-down { color: var(--color-danger);  }
.trend-flat { color: var(--text-muted);    }

/* ANGKAXA domain cards */
.orbit-params-card  { border-left: 3px solid var(--color-primary); }
.param-grid         { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.param-item         { display: flex; flex-direction: column; gap: 2px; }
.param-label        { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; }
.param-value        { font-size: 16px; font-weight: 600; color: var(--color-primary); font-family: monospace; }

.pass-card    { padding: 12px; background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
.pass-header  { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.pass-satellite { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.pass-body    { display: flex; flex-direction: column; gap: 6px; }
.pass-row     { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.pass-label   { color: var(--text-muted); font-size: 12px; min-width: 50px; }
.pass-time    { font-family: monospace; color: var(--color-primary); font-weight: 600; }

.exercise-card { cursor: pointer; transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.exercise-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.module-card { transition: border-color var(--transition-fast); }
.module-card.locked { opacity: 0.6; cursor: not-allowed; }
.module-card.completed { border-top: 3px solid var(--color-success); }

/* ============================================================
   Section 8 — Badges
   ============================================================ */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: var(--radius-full);
  font-size: 12px; font-weight: 600; white-space: nowrap; line-height: 1.4;
}
.badge-primary { background: var(--color-primary-light); color: var(--color-primary); }
.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: #92400E; }
.badge-danger  { background: var(--color-danger-light);  color: var(--color-danger);  }
.badge-info    { background: var(--color-info-light);    color: var(--color-info);    }
.badge-purple  { background: var(--color-purple-light);  color: var(--color-purple);  }
.badge-gray    { background: var(--bg-elevated);         color: var(--text-muted);    }
.badge-outline { background: transparent; border: 1px solid currentColor; }
.badge-dot     { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* Role badges — CANONICAL prefix badge-role- */
.badge-role-admin   { background: #FEE2E2; color: #991B1B; }
.badge-role-manager { background: #DBEAFE; color: #1E40AF; }
.badge-role-user    { background: #D1FAE5; color: #065F46; }

/* ANGKAXA domain badges */
.badge-role-instructor  { background: #EDE9FE; color: #5B21B6; }
.badge-role-researcher  { background: #DBEAFE; color: #1E40AF; }
.badge-role-student     { background: #D1FAE5; color: #065F46; }
.badge-difficulty-beginner    { background: var(--color-success-light); color: var(--color-success); }
.badge-difficulty-intermediate { background: var(--color-warning-light); color: #92400E; }
.badge-difficulty-advanced    { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-module-locked      { background: var(--bg-elevated); color: var(--text-muted); }
.badge-module-available   { background: var(--color-info-light); color: var(--color-info); }
.badge-module-in-progress { background: var(--color-warning-light); color: #92400E; }
.badge-module-completed   { background: var(--color-success-light); color: var(--color-success); }
.badge-orbit-leo  { background: var(--color-primary-light); color: var(--color-primary); }
.badge-orbit-geo  { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-orbit-meo  { background: var(--color-warning-light); color: #92400E; }
.badge-orbit-sso  { background: var(--color-success-light); color: var(--color-success); }
.badge-status-nominal   { background: var(--color-success-light); color: var(--color-success); }
.badge-status-warning   { background: var(--color-warning-light); color: #92400E; }
.badge-status-critical  { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-status-safe-mode { background: var(--color-purple-light);  color: var(--color-purple); }
.badge-pulse { animation: beacon-pulse 1.5s ease-in-out infinite; }

/* ============================================================
   Section 9 — Icon Color Helpers
   ============================================================ */
.icon-primary { background: var(--color-primary-light); color: var(--color-primary); }
.icon-success { background: var(--color-success-light); color: var(--color-success); }
.icon-warning { background: var(--color-warning-light); color: var(--color-warning); }
.icon-danger  { background: var(--color-danger-light);  color: var(--color-danger);  }
.icon-info    { background: var(--color-info-light);    color: var(--color-info);    }
.icon-muted   { background: var(--bg-elevated);         color: var(--text-muted);    }
.icon-accent  { background: rgba(200,184,64,0.15);      color: #C8B840; }
.icon-purple  { background: var(--color-purple-light);  color: var(--color-purple);  }
.icon-space   { background: var(--color-primary-light); color: var(--color-primary); }

[data-theme="dark"] .icon-success { background: rgba(16,185,129,0.15); color: #34D399; }
[data-theme="dark"] .icon-warning { background: rgba(245,158,11,0.15); color: #FCD34D; }
[data-theme="dark"] .icon-danger  { background: rgba(239,68,68,0.15);  color: #FCA5A5; }
[data-theme="dark"] .icon-info    { background: var(--color-primary-light); color: var(--color-primary); }
[data-theme="dark"] .icon-primary { background: var(--color-primary-light); }
[data-theme="dark"] .icon-accent  { background: rgba(200,184,64,0.15); color: #E6D46A; }

/* ============================================================
   Section 10 — Avatar
   ============================================================ */
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-primary); color: white;
  font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; cursor: pointer; user-select: none;
}
[data-theme="dark"] .avatar { color: #000; }
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-lg { width: 48px; height: 48px; font-size: 16px; }
.avatar-xl { width: 72px; height: 72px; font-size: 24px; }
.avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }

/* ============================================================
   Section 11 — Page Header
   ============================================================ */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; }
.page-header-left { display: flex; align-items: center; gap: 12px; }
.page-title { font-size: 20px; font-weight: 700; color: var(--text-primary); }
.page-sub   { font-size: 14px; color: var(--text-muted); margin-top: 4px; }
.page-header-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

@media (max-width: 640px) {
  .page-header { flex-direction: column; gap: 12px; }
  .page-header-actions { width: 100%; justify-content: flex-end; }
}

/* ============================================================
   Section 12 — Tables
   ============================================================ */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border-default); max-width: 100%; display: block; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  background: var(--bg-surface); padding: 10px 16px;
  text-align: left; font-size: 12px; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px;
  border-bottom: 1px solid var(--border-default); white-space: nowrap;
}
tbody td { padding: 12px 16px; border-bottom: 1px solid var(--border-default); color: var(--text-primary); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-hover); }
tbody tr.selected { background: var(--color-primary-light); }

.col-no     { width: 48px; text-align: center; }
.col-action { width: 80px; }
.sortable   { cursor: pointer; user-select: none; }
.sortable:hover { color: var(--text-primary); }
.sort-icon  { font-size: 10px; color: var(--text-muted); margin-left: 4px; }

.table-toolbar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; flex-wrap: wrap; }
.table-title   { font-size: 15px; font-weight: 600; color: var(--text-primary); }

.empty-row td { padding: 0; border: none; }
.table-empty  { text-align: center; padding: 48px 24px; }
.table-empty-icon  { font-size: 36px; color: var(--text-muted); margin-bottom: 12px; }
.table-empty-title { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.table-empty-sub   { font-size: 13px; color: var(--text-muted); }

/* Pagination — CANONICAL .pagination-btn */
.pagination { display: flex; align-items: center; gap: 4px; }
.pagination-btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 32px; min-width: 32px; padding: 0 6px;
  border: 1px solid var(--border-default); border-radius: var(--radius-md);
  font-size: 13px; color: var(--text-secondary);
  background: var(--bg-surface); cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.pagination-btn:hover   { background: var(--bg-elevated); }
.pagination-btn.active  { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.pagination-ellipsis { padding: 0 6px; color: var(--text-muted); }
.pagination-info { font-size: 13px; color: var(--text-muted); }

/* ANGKAXA domain tables */
.sim-history-table td,
.exercise-sessions-table td,
.progress-table td,
.module-table td { vertical-align: middle; }

/* ============================================================
   Section 13 — Forms
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-control {
  width: 100%; height: 38px;
  border: 1px solid var(--border-default); border-radius: var(--radius-md);
  padding: 0 12px; font-size: 14px; color: var(--text-primary);
  background: var(--bg-page); outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.form-control.error { border-color: var(--color-danger); }
.form-control:disabled { opacity: 0.5; background: var(--bg-surface); cursor: not-allowed; }
.form-control-lg { height: 44px; font-size: 15px; }
textarea.form-control { height: auto; padding: 10px 12px; resize: vertical; }

.form-select {
  width: 100%; height: 38px;
  border: 1px solid var(--border-default); border-radius: var(--radius-md);
  padding: 0 36px 0 12px; font-size: 14px; color: var(--text-primary);
  background: var(--bg-page); outline: none; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237870C0' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; cursor: pointer;
}
.form-select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); outline: none; }
.form-select-sm { height: 30px; font-size: 13px; }

.form-error { font-size: 12px; color: var(--color-danger); }
.form-hint  { font-size: 12px; color: var(--text-muted); }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check-label { font-size: 14px; cursor: pointer; }

.form-row   { display: flex; gap: 16px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row-2, .form-row-3 { grid-template-columns: 1fr; } }

.input-group   { display: flex; position: relative; align-items: center; }
.input-prefix  { position: absolute; left: 12px; color: var(--text-muted); font-size: 14px; pointer-events: none; }
.input-suffix  { position: absolute; right: 12px; color: var(--text-muted); font-size: 14px; }
.input-group .form-control { padding-left: 36px; }

.search-box  { position: relative; display: flex; align-items: center; }
.search-icon { position: absolute; left: 10px; color: var(--text-muted); font-size: 13px; pointer-events: none; }
.search-box .form-control { padding-left: 32px; }

.toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; cursor: pointer; }
.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-slider { position: absolute; inset: 0; background: var(--border-strong); border-radius: 12px; transition: background var(--transition-base); }
.toggle-slider::before { content: ''; position: absolute; width: 18px; height: 18px; left: 3px; bottom: 3px; background: white; border-radius: 50%; transition: transform var(--transition-base); box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.toggle-switch input:checked + .toggle-slider { background: var(--color-primary); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

/* ANGKAXA domain forms */
.tle-input { font-family: monospace; font-size: 12px; }
.keplerian-input { font-family: monospace; }
.command-input { font-family: monospace; font-size: 13px; }

/* ============================================================
   Section 14 — Modal
   ============================================================ */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: var(--z-modal);
  align-items: center; justify-content: center; padding: 16px;
}
.modal-overlay.open { display: flex; }

.modal {
  position: relative; z-index: var(--z-modal-content);
  background: var(--bg-surface); border-radius: var(--radius-xl);
  border: 1px solid var(--border-default); box-shadow: var(--shadow-lg);
  max-height: 90vh; overflow-y: auto; width: 100%; max-width: 560px;
  animation: modal-in 0.2s ease;
}
.modal-sm { max-width: 400px; }
.modal-md { max-width: 560px; }
.modal-lg { max-width: 720px; }
.modal-xl { max-width: 900px; }

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border-default); flex-shrink: 0; }
.modal-title  { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.modal-close  { color: var(--text-muted); }
.modal-close:hover { color: var(--text-primary); }
.modal-body   { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border-default); display: flex; justify-content: flex-end; gap: 8px; flex-shrink: 0; }

@media (max-width: 640px) {
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal { border-radius: var(--radius-xl) var(--radius-xl) 0 0; max-height: 95vh; }
}

/* ANGKAXA domain modals */
.modal-role-select .role-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ============================================================
   Section 15 — Dropdown
   ============================================================ */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 4px);
  min-width: 180px; background: var(--bg-elevated);
  border: 1px solid var(--border-default); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); z-index: var(--z-dropdown); overflow: hidden;
}
.dropdown-menu.open { display: block; }
.dropdown-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; font-size: 14px; color: var(--text-primary); cursor: pointer; width: 100%; white-space: nowrap; }
.dropdown-item:hover { background: var(--bg-hover); }
.dropdown-item.danger { color: var(--color-danger); }
.dropdown-header { padding: 10px 16px 8px; border-bottom: 1px solid var(--border-default); }
.dropdown-divider { height: 1px; background: var(--border-default); margin: 4px 0; }

/* ============================================================
   Section 16 — Toast
   ============================================================ */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: var(--z-toast); display: flex; flex-direction: column; gap: 8px; max-width: 360px; width: calc(100vw - 48px); pointer-events: none; }
.toast { display: flex; align-items: flex-start; gap: 12px; padding: 12px 16px; background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); border-left: 4px solid transparent; box-shadow: var(--shadow-lg); pointer-events: auto; animation: toast-in 0.25s ease; }
.toast-success { border-left-color: var(--color-success); }
.toast-error   { border-left-color: var(--color-danger);  }
.toast-warning { border-left-color: var(--color-warning); }
.toast-info    { border-left-color: var(--color-info);    }
.toast-aos     { border-left-color: var(--color-accent); }
.toast-anomaly { border-left-color: var(--color-danger); animation: beacon-pulse 1s ease-in-out infinite; }
.toast-achievement { border-left-color: var(--color-accent); }
.toast-icon    { flex-shrink: 0; font-size: 16px; margin-top: 1px; }
.toast-body    { flex: 1; min-width: 0; }
.toast-title   { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.toast-message { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.toast-close   { color: var(--text-muted); margin-left: auto; flex-shrink: 0; }
.toast-close:hover { color: var(--text-primary); }

/* ============================================================
   Section 17 — Tabs
   ============================================================ */
.tabs { display: flex; border-bottom: 1px solid var(--border-default); margin-bottom: 20px; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab-item { padding: 10px 16px; cursor: pointer; font-size: 14px; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; flex-shrink: 0; transition: color var(--transition-fast), border-color var(--transition-fast); }
.tab-item:hover  { color: var(--text-primary); }
.tab-item.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 500; }
.tab-count { font-size: 11px; background: var(--bg-elevated); border-radius: var(--radius-full); padding: 1px 6px; margin-left: 4px; color: var(--text-muted); }
.tab-item.active .tab-count { background: var(--color-primary-light); color: var(--color-primary); }
.tab-pane        { display: none; }
.tab-pane.active { display: block; }

/* ============================================================
   Section 18 — Alerts
   ============================================================ */
.alert { display: flex; gap: 12px; padding: 12px 16px; border-radius: var(--radius-lg); border-left: 4px solid transparent; font-size: 14px; line-height: 1.5; margin-bottom: 16px; }
.alert-icon  { flex-shrink: 0; margin-top: 1px; }
.alert-body  { flex: 1; }
.alert-title { font-weight: 600; margin-bottom: 2px; }
.alert-info    { background: var(--color-info-light);    border-left-color: var(--color-info);    color: #1E40AF; }
.alert-success { background: var(--color-success-light); border-left-color: var(--color-success); color: #065F46; }
.alert-warning { background: var(--color-warning-light); border-left-color: var(--color-warning); color: #92400E; }
.alert-danger  { background: var(--color-danger-light);  border-left-color: var(--color-danger);  color: #991B1B; }

[data-theme="dark"] .alert-info    { background: rgba(0,217,255,0.08);   color: var(--text-primary); }
[data-theme="dark"] .alert-success { background: rgba(22,163,74,0.10);   color: var(--text-primary); }
[data-theme="dark"] .alert-warning { background: rgba(255,193,7,0.10);   color: var(--text-primary); }
[data-theme="dark"] .alert-danger  { background: rgba(220,38,38,0.10);   color: var(--text-primary); }
.alert-anomaly { background: var(--color-danger-light);  border-left-color: var(--color-danger);  color: #991B1B; }
.alert-aos-warning { background: var(--color-warning-light); border-left-color: var(--color-accent); color: #92400E; }
.alert-storm   { background: var(--color-danger-light);  border-left-color: var(--color-danger);  color: #991B1B; }

/* ============================================================
   Section 19 — Progress Bar
   ============================================================ */
.progress-bar  { height: 6px; background: var(--bg-elevated); border-radius: var(--radius-full); overflow: hidden; }
.progress-fill { height: 100%; background: var(--color-primary); border-radius: var(--radius-full); transition: width 0.3s ease; }
.progress-fill.success { background: var(--color-success); }
.progress-fill.warning { background: var(--color-warning); }
.progress-fill.danger  { background: var(--color-danger);  }
.module-progress { height: 4px; }
.class-progress  { height: 8px; }
.exercise-timer  { height: 4px; background: var(--color-accent); }

/* ============================================================
   Section 20 — Empty State, Skeleton, Timeline, Filter Bar
   ============================================================ */
.empty-state { text-align: center; padding: 48px 24px; display: flex; flex-direction: column; align-items: center; }
.empty-icon  { font-size: 48px; color: var(--text-muted); margin-bottom: 16px; }
.empty-title { font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.empty-sub   { font-size: 14px; color: var(--text-muted); }

.skeleton {
  background: linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-elevated) 50%, var(--bg-surface) 75%);
  background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-sm);
}
.skeleton-text   { height: 14px; border-radius: var(--radius-sm); }
.skeleton-title  { height: 20px; width: 60%; border-radius: var(--radius-sm); }
.skeleton-avatar { width: 36px; height: 36px; border-radius: 50%; }
.skeleton-line   { height: 14px; border-radius: var(--radius-sm); }
.skeleton-line-sm { width: 40%; }
.skeleton-line-md { width: 60%; }
.skeleton-line-lg { width: 80%; }

.timeline { position: relative; padding-left: 24px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 0; bottom: 0; width: 2px; background: var(--border-default); }
.timeline-item   { position: relative; padding-bottom: 20px; }
.timeline-dot    { position: absolute; left: -21px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg-surface); border: 2px solid var(--border-default); top: 2px; }
.timeline-dot.active { background: var(--color-primary); border-color: var(--color-primary); }
.timeline-title  { font-weight: 600; font-size: 14px; }
.timeline-time   { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* Decision timeline — ANGKAXA */
.decision-timeline .timeline-dot.success { background: var(--color-success); border-color: var(--color-success); }
.decision-timeline .timeline-dot.warning { background: var(--color-warning); border-color: var(--color-warning); }
.decision-timeline .timeline-dot.danger  { background: var(--color-danger);  border-color: var(--color-danger); }

.filter-bar   { display: flex; align-items: center; gap: 8px; padding: 12px 0; flex-wrap: wrap; }
.filter-chip  { padding: 4px 12px; border-radius: var(--radius-full); border: 1px solid var(--border-default); font-size: 13px; cursor: pointer; color: var(--text-secondary); background: var(--bg-surface); white-space: nowrap; transition: background var(--transition-fast), color var(--transition-fast); }
.filter-chip:hover  { background: var(--bg-elevated); }
.filter-chip.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }

.chart-container { position: relative; width: 100%; }

/* ANGKAXA domain components */
.subsystem-card         { padding: 16px; border-radius: var(--radius-lg); border: 1px solid var(--border-default); background: var(--bg-surface); }
.subsystem-header       { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.subsystem-name         { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.subsystem-dot          { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.subsystem-values       { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sub-val                { display: flex; flex-direction: column; gap: 2px; }
.sub-label              { font-size: 11px; color: var(--text-muted); }
.sub-num                { font-size: 14px; font-weight: 600; font-family: monospace; }
.dot-nominal            { background: var(--telemetry-nominal); }
.dot-warning            { background: var(--telemetry-warning); }
.dot-critical           { background: var(--telemetry-critical); }
.dot-safe               { background: var(--telemetry-safe-mode); }
.subsystem-nominal      { border-left: 3px solid var(--telemetry-nominal); }
.subsystem-warning      { border-left: 3px solid var(--telemetry-warning); }
.subsystem-critical     { border-left: 3px solid var(--telemetry-critical); }
.subsystem-safe         { border-left: 3px solid var(--telemetry-safe-mode); }

.aos-countdown     { font-size: 32px; font-weight: 700; font-family: monospace; color: var(--color-accent); }
.aos-active        { color: var(--color-success); }
.aos-approaching   { color: var(--color-warning); animation: beacon-pulse 1s infinite; }

.orbit-viewer-3d   { width: 100%; height: 500px; border-radius: var(--radius-lg); overflow: hidden; background: #000010; }
.ground-track-map  { width: 100%; height: 400px; border-radius: var(--radius-lg); overflow: hidden; }
.orbit-viewer-mini { width: 100%; height: 280px; border-radius: var(--radius-lg); overflow: hidden; background: #000010; }

.module-text           { font-size: 15px; line-height: 1.7; color: var(--text-primary); max-width: 72ch; }
.module-text h2        { font-size: 20px; font-weight: 700; margin: 24px 0 12px; color: var(--color-primary); }
.module-text h3        { font-size: 16px; font-weight: 600; margin: 20px 0 8px; }
.module-text p         { margin-bottom: 12px; }
.module-text code      { font-family: monospace; background: var(--bg-elevated); padding: 2px 6px; border-radius: var(--radius-sm); font-size: 13px; }
.module-text pre       { background: var(--bg-elevated); border-radius: var(--radius-md); padding: 16px; font-family: monospace; font-size: 13px; overflow-x: auto; margin-bottom: 16px; }
.sim-embed             { border: 1px solid var(--border-default); border-radius: var(--radius-lg); overflow: hidden; margin: 20px 0; }

.quiz-progress-bar     { height: 4px; background: var(--bg-elevated); border-radius: var(--radius-full); margin-bottom: 24px; }
.quiz-question-num     { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.quiz-question-text    { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 20px; }
.quiz-options          { display: flex; flex-direction: column; gap: 12px; }
.quiz-option           { padding: 12px 16px; border: 2px solid var(--border-default); border-radius: var(--radius-md); cursor: pointer; transition: border-color var(--transition-fast), background var(--transition-fast); }
.quiz-option:hover     { border-color: var(--color-primary); }
.quiz-option.selected  { border-color: var(--color-primary); background: var(--color-primary-light); }
.quiz-option.correct   { border-color: var(--color-success); background: var(--color-success-light); }
.quiz-option.wrong     { border-color: var(--color-danger);  background: var(--color-danger-light); }

.achievement-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px,1fr)); gap: 16px; }
.achievement-item { text-align: center; padding: 16px; border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
.achievement-item.earned { border-color: var(--color-accent); background: rgba(200,184,64,0.05); }
.achievement-item.locked { opacity: 0.4; filter: grayscale(1); }
.achievement-icon { font-size: 32px; margin-bottom: 8px; }
.achievement-name { font-size: 12px; font-weight: 600; color: var(--text-primary); }

/* ============================================================
   Section 21 — Interactive States
   ============================================================ */
.btn:focus-visible,
.form-control:focus,
.form-select:focus,
.nav-item:focus-visible,
.tab-item:focus-visible,
.pagination-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

table tbody tr.selected { background: var(--color-primary-light); }

.btn:disabled, .form-control:disabled, .form-select:disabled, .pagination-btn:disabled {
  opacity: 0.4; cursor: not-allowed; pointer-events: none;
}

/* ============================================================
   Section 22 — Animations & Keyframes
   ============================================================ */
@keyframes spin { to { transform: rotate(360deg); } }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.95) translateY(-8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ANGKAXA animations */
@keyframes orbit-rotate { to { transform: rotate(360deg); } }

@keyframes beacon-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

.animate-fade  { animation: fade-in 0.2s ease; }
.animate-spin  { animation: spin 1s linear infinite; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* ============================================================
   Section 23 — Scrollbar
   ============================================================ */
::-webkit-scrollbar        { width: 6px; height: 6px; }
::-webkit-scrollbar-track  { background: transparent; }
::-webkit-scrollbar-thumb  { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }

/* ============================================================
   Section 24 — Utility Classes
   ============================================================ */
/* Flex */
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.flex-1        { flex: 1; }
.flex-wrap     { flex-wrap: wrap; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center  { align-items: center; }
.items-start   { align-items: flex-start; }
.items-end     { align-items: flex-end; }
.justify-center  { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end     { justify-content: flex-end; }

/* Grid */
.grid        { display: grid; gap: 20px; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
}

/* Spacing */
.gap-1 { gap: 4px; }  .gap-2 { gap: 8px; }  .gap-3 { gap: 12px; }
.gap-4 { gap: 16px; } .gap-5 { gap: 20px; } .gap-6 { gap: 24px; }
.mt-1 { margin-top: 4px; }  .mt-2 { margin-top: 8px; }  .mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; } .mt-5 { margin-top: 20px; } .mt-6 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }  .mb-2 { margin-bottom: 8px; }  .mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; } .mb-5 { margin-bottom: 20px; } .mb-6 { margin-bottom: 24px; }
.ml-auto { margin-left: auto; }
.p-2 { padding: 8px; }  .p-3 { padding: 12px; } .p-4 { padding: 16px; }
.p-5 { padding: 20px; } .p-6 { padding: 24px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }

/* Typography */
.text-xs   { font-size: 11px; } .text-sm   { font-size: 12px; }
.text-base { font-size: 14px; } .text-lg   { font-size: 16px; }
.text-xl   { font-size: 18px; } .text-2xl  { font-size: 20px; } .text-3xl { font-size: 24px; }
.font-normal   { font-weight: 400; } .font-medium  { font-weight: 500; }
.font-semibold { font-weight: 600; } .font-bold    { font-weight: 700; }
.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-success   { color: var(--color-success); }
.text-warning   { color: var(--color-warning); }
.text-danger    { color: var(--color-danger); }
.text-accent    { color: var(--color-accent); }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.truncate    { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.uppercase   { text-transform: uppercase; }
.capitalize  { text-transform: capitalize; }
.link        { color: var(--color-primary); cursor: pointer; }
.link:hover  { text-decoration: underline; }
.font-mono   { font-family: 'Courier New', Courier, monospace; }

/* Visual */
.w-full  { width: 100%; }  .h-full  { height: 100%; } .min-w-0 { min-width: 0; }
.rounded      { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }
.border        { border: 1px solid var(--border-default); }
.border-top    { border-top: 1px solid var(--border-default); }
.border-bottom { border-bottom: 1px solid var(--border-default); }
.bg-surface  { background: var(--bg-surface); }
.bg-page     { background: var(--bg-page); }
.bg-space    { background: #02010A; }
.shadow-sm   { box-shadow: var(--shadow-sm); }
.shadow-md   { box-shadow: var(--shadow-md); }
.overflow-hidden { overflow: hidden; }
.hidden  { display: none; }
.block   { display: block; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ANGKAXA utility */
.orbit-color-lapan-a2 { color: var(--orbit-lapan-a2); }
.orbit-color-lapan-a3 { color: var(--orbit-lapan-a3); }

/* Grid column span utilities */
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }

/* Cursor utilities */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }

/* Stat icon size variants */
.stat-icon-sm { width: 32px; height: 32px; font-size: 14px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-icon-md { width: 40px; height: 40px; font-size: 18px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-icon-xl { width: 48px; height: 48px; font-size: 22px; border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* Score display (debrief) */
.score-display { font-size: 56px; font-weight: 700; color: var(--color-primary); line-height: 1; }
.emoji-display { font-size: 72px; margin-bottom: 8px; }

/* Icon size helpers */
.icon-xs  { font-size: 11px; }
.icon-sm  { font-size: 14px; }
.icon-lg  { font-size: 22px; }
.icon-2xl { font-size: 32px; }
.icon-3xl { font-size: 48px; }
.icon-4xl { font-size: 64px; }

/* Custom card borders */
.card-dashed { border: 2px dashed var(--border-default); background: transparent; }

/* Nav/misc helpers */
.letter-spacing-wide { letter-spacing: 0.4px; }
.letter-spacing-wider { letter-spacing: 0.6px; }
.max-w-sm  { max-width: 400px; }
.max-w-md  { max-width: 560px; }
.max-w-lg  { max-width: 720px; }
.max-w-xl  { max-width: 1100px; }
.min-h-160 { min-height: 160px; }
.min-h-200 { min-height: 200px; }
.min-h-280 { min-height: 280px; }
.grid-2-col-custom { display: grid; grid-template-columns: 300px 1fr; gap: 20px; }
.grid-profile { display: grid; grid-template-columns: 280px 1fr; gap: 24px; }
.grid-orbit { display: grid; grid-template-columns: 320px 1fr; gap: 20px; }
.grid-lab  { display: grid; grid-template-columns: 340px 1fr; gap: 20px; }
/* min-width:0 pada semua grid item — cegah content expand melewati cell */
.grid > *, .grid-orbit > *, .grid-profile > *, .grid-lab > *, .grid-2-col-custom > * { min-width: 0; }

/* Progress fill percentage classes (static mockup values) */
.progress-fill-40  { width: 40%; }
.progress-fill-50  { width: 50%; }
.progress-fill-58  { width: 58%; }
.progress-fill-72  { width: 72%; }
.progress-fill-75  { width: 75%; }
.progress-fill-85  { width: 85%; }
.progress-fill-91  { width: 91%; }
.progress-fill-100 { width: 100%; }

/* ============================================================
   Responsive Breakpoints
   ============================================================ */

/* Tablet + Mobile: sidebar jadi drawer */
@media (max-width: 1024px) {
  .app-sidebar { position: fixed; left: -240px; z-index: var(--z-sidebar); transition: left var(--transition-base); }
  .app-sidebar.open { left: 0; box-shadow: var(--shadow-lg); }
  .sidebar-overlay.open { display: block; }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }

  /* 2-col responsive grids → stack */
  .grid-orbit, .grid-profile, .grid-lab, .grid-2-col-custom { grid-template-columns: 1fr; }
}

/* Tablet + Mobile: sembunyikan breadcrumb di topbar */
@media (max-width: 1024px) {
  .header-breadcrumb { display: none; }
}

/* Mobile: full single column */
@media (max-width: 640px) {
  .app-content { padding: 16px; }
  body { overflow-x: hidden; }
  /* card-header wrap — prevent horizontal overflow di mobile */
  .card-header { flex-wrap: wrap; gap: 8px; }
  .card-header .tabs { width: 100%; }
  .grid-cols-2, .grid-cols-3, .grid-cols-4 { grid-template-columns: 1fr; }
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; gap: 12px; }
  .page-header-actions { width: 100%; justify-content: flex-end; }
  .modal { margin: 0; border-radius: var(--radius-xl) var(--radius-xl) 0 0; align-self: flex-end; }
  .modal-overlay { padding: 0; align-items: flex-end; }

  /* Orbit, Lab, etc. maps/charts — height dikurangi */
  .ground-track-map  { height: 260px; }
  /* Leaflet container harus 100% width saat resize */
  .leaflet-container { width: 100% !important; max-width: 100%; }
  .orbit-viewer-3d   { height: 280px; }
  .orbit-viewer-mini { height: 180px; }

  /* Table: horizontal scroll wrapper */
  .table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* MCC layout → stack vertical */
  .mcc-inner { flex-direction: column; padding-top: 48px; }
  .mcc-panel-left, .mcc-panel-right { width: 100%; border-right: none; border-left: none; border-bottom: 1px solid var(--border-default); max-height: 300px; }
  .mcc-panel-center { min-height: 300px; flex-shrink: 0; }

  /* Subsystem cards → 2-col */
  .subsystem-values { grid-template-columns: 1fr 1fr; }
}