/* ============================================================
   BALLPARKS AND BOARDING PASSES — Design System
   Flight Instrument aesthetic: dark-first, information-dense
   ============================================================ */

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

/* --- Dark-first: :root IS dark mode --- */
:root {
  color-scheme: dark;

  /* Surface */
  --bg: #0a0f1a;
  --bg-alt: #111827;
  --card: #1e293b;
  --surface-overlay: rgba(30, 41, 59, 0.92);

  /* Text */
  --text: #f1f5f9;
  --text-muted: #94a3b8;

  /* Borders */
  --border: #334155;
  --border-hover: #475569;

  /* Primary — United Blue (dark variant) */
  --primary: #4478e6;
  --primary-hover: #3568d4;
  --primary-light: #6a9cf0;
  --primary-glow: rgba(68, 120, 230, 0.2);
  --primary-shadow: rgba(68, 120, 230, 0.3);

  /* Secondary */
  --secondary: #5588ee;
  --secondary-hover: #4478e6;
  --secondary-active: #3568d4;

  /* Semantic */
  --success: #34d399;
  --success-hover: #10b981;
  --success-bg: #064e3b;
  --success-border: #166534;

  --info: #22d3ee;
  --info-hover: #06b6d4;

  --warning: #fbbf24;
  --warning-hover: #f59e0b;
  --warning-bg: #1c1a0e;
  --warning-border: #854d0e;
  --warning-text: #fde68a;

  --danger: #f87171;
  --danger-hover: #ef4444;
  --danger-bg: #1e1517;
  --danger-border: #3f1e24;
  --danger-text: #fca5a5;

  /* Utility */
  --loading-bg: #1e293b;
  --upload-bg: #1e293b;
  --upload-border: #475569;

  /* Shadows — dark mode */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);

  /* Status colors */
  --done: #4ade80;
  --done-bg: #0a1f12;
  --done-border: #166534;
  --next: #60a5fa;
  --next-bg: #0c1929;
  --next-border: #1e40af;
  --planned: #9ca3af;
  --planned-bg: #111827;
  --planned-border: #374151;
  --backlog: #a78bfa;
  --backlog-bg: #1a1033;
  --backlog-border: #4c1d95;
  --bug: #f87171;
  --bug-bg: #1f0a0a;
  --bug-border: #991b1b;

  /* Admin */
  --error: #f87171;
  --error-bg: #1f0a0a;
  --error-border: #991b1b;
  --pending-bg: #1a1505;
  --pending-border: #854d0e;
  --pending-text: #fbbf24;

  /* Typography scale */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-ui: 'Outfit', system-ui, sans-serif;
  --font-data: 'JetBrains Mono', 'Courier New', monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Background pattern (dark) */
  --bg-pattern: radial-gradient(circle at 1px 1px, rgba(148, 163, 184, 0.03) 1px, transparent 0);
  --bg-pattern-size: 24px 24px;
}

/* --- Light mode via system preference --- */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #f8fafc;
    --bg-alt: #f1f5f9;
    --card: #ffffff;
    --surface-overlay: rgba(255, 255, 255, 0.92);
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;

    --primary: #0f5fdc;
    --primary-hover: #0b4bb8;
    --primary-light: #3b82f6;
    --primary-glow: rgba(15, 95, 220, 0.15);
    --primary-shadow: rgba(15, 95, 220, 0.25);

    --secondary: #3b82f6;
    --secondary-hover: #2563eb;
    --secondary-active: #1d4ed8;

    --success: #10b981;
    --success-hover: #059669;
    --success-bg: #d1fae5;
    --success-border: #bbf7d0;

    --info: #06b6d4;
    --info-hover: #0891b2;

    --warning: #d97706;
    --warning-hover: #b45309;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --warning-text: #92400e;

    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    --danger-text: #991b1b;

    --loading-bg: #f1f5f9;
    --upload-bg: #f8fafc;
    --upload-border: #cbd5e1;

    --shadow-sm: 0 1px 2px 0 rgba(15, 95, 220, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 95, 220, 0.08), 0 2px 4px -2px rgba(15, 95, 220, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 95, 220, 0.1), 0 4px 6px -4px rgba(15, 95, 220, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 95, 220, 0.1), 0 8px 10px -6px rgba(15, 95, 220, 0.04);

    --done: #16a34a; --done-bg: #f0fdf4; --done-border: #bbf7d0;
    --next: #2563eb; --next-bg: #eff6ff; --next-border: #bfdbfe;
    --planned: #6b7280; --planned-bg: #f9fafb; --planned-border: #e5e7eb;
    --backlog: #a78bfa; --backlog-bg: #f5f3ff; --backlog-border: #ddd6fe;
    --bug: #dc2626; --bug-bg: #fef2f2; --bug-border: #fecaca;

    --error: #dc2626; --error-bg: #fef2f2; --error-border: #fecaca;
    --pending-bg: #fffbeb; --pending-border: #fde68a; --pending-text: #92400e;

    --bg-pattern: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.04) 1px, transparent 0);
    --bg-pattern-size: 24px 24px;
  }
}

/* --- Explicit light override --- */
[data-theme="light"] {
  color-scheme: light;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --card: #ffffff;
  --surface-overlay: rgba(255, 255, 255, 0.92);
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-hover: #cbd5e1;

  --primary: #0f5fdc;
  --primary-hover: #0b4bb8;
  --primary-light: #3b82f6;
  --primary-glow: rgba(15, 95, 220, 0.15);
  --primary-shadow: rgba(15, 95, 220, 0.25);

  --secondary: #3b82f6;
  --secondary-hover: #2563eb;
  --secondary-active: #1d4ed8;

  --success: #10b981;
  --success-hover: #059669;
  --success-bg: #d1fae5;
  --success-border: #bbf7d0;

  --info: #06b6d4;
  --info-hover: #0891b2;

  --warning: #d97706;
  --warning-hover: #b45309;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;

  --danger: #ef4444;
  --danger-hover: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --danger-text: #991b1b;

  --loading-bg: #f1f5f9;
  --upload-bg: #f8fafc;
  --upload-border: #cbd5e1;

  --shadow-sm: 0 1px 2px 0 rgba(15, 95, 220, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 95, 220, 0.08), 0 2px 4px -2px rgba(15, 95, 220, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 95, 220, 0.1), 0 4px 6px -4px rgba(15, 95, 220, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 95, 220, 0.1), 0 8px 10px -6px rgba(15, 95, 220, 0.04);

  --done: #16a34a; --done-bg: #f0fdf4; --done-border: #bbf7d0;
  --next: #2563eb; --next-bg: #eff6ff; --next-border: #bfdbfe;
  --planned: #6b7280; --planned-bg: #f9fafb; --planned-border: #e5e7eb;
  --backlog: #a78bfa; --backlog-bg: #f5f3ff; --backlog-border: #ddd6fe;
  --bug: #dc2626; --bug-bg: #fef2f2; --bug-border: #fecaca;

  --error: #dc2626; --error-bg: #fef2f2; --error-border: #fecaca;
  --pending-bg: #fffbeb; --pending-border: #fde68a; --pending-text: #92400e;

  --bg-pattern: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.04) 1px, transparent 0);
  --bg-pattern-size: 24px 24px;
}

/* --- Explicit dark override --- */
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0f1a;
  --bg-alt: #111827;
  --card: #1e293b;
  --surface-overlay: rgba(30, 41, 59, 0.92);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
  --border-hover: #475569;

  --primary: #4478e6;
  --primary-hover: #3568d4;
  --primary-light: #6a9cf0;
  --primary-glow: rgba(68, 120, 230, 0.2);
  --primary-shadow: rgba(68, 120, 230, 0.3);

  --secondary: #5588ee;
  --secondary-hover: #4478e6;
  --secondary-active: #3568d4;

  --success: #34d399;
  --success-hover: #10b981;
  --success-bg: #064e3b;
  --success-border: #166534;

  --info: #22d3ee;
  --info-hover: #06b6d4;

  --warning: #fbbf24;
  --warning-hover: #f59e0b;
  --warning-bg: #1c1a0e;
  --warning-border: #854d0e;
  --warning-text: #fde68a;

  --danger: #f87171;
  --danger-hover: #ef4444;
  --danger-bg: #1e1517;
  --danger-border: #3f1e24;
  --danger-text: #fca5a5;

  --loading-bg: #1e293b;
  --upload-bg: #1e293b;
  --upload-border: #475569;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);

  --done: #4ade80; --done-bg: #0a1f12; --done-border: #166534;
  --next: #60a5fa; --next-bg: #0c1929; --next-border: #1e40af;
  --planned: #9ca3af; --planned-bg: #111827; --planned-border: #374151;
  --backlog: #a78bfa; --backlog-bg: #1a1033; --backlog-border: #4c1d95;
  --bug: #f87171; --bug-bg: #1f0a0a; --bug-border: #991b1b;

  --error: #f87171; --error-bg: #1f0a0a; --error-border: #991b1b;
  --pending-bg: #1a1505; --pending-border: #854d0e; --pending-text: #fbbf24;

  --bg-pattern: radial-gradient(circle at 1px 1px, rgba(148, 163, 184, 0.03) 1px, transparent 0);
  --bg-pattern-size: 24px 24px;
}

/* --- Font family switcher --- */
[data-fonts="editorial"] {
  --font-display: 'DM Serif Display', serif;
  --font-ui: 'DM Sans', system-ui, sans-serif;
}
[data-fonts="technical"] {
  --font-display: 'Instrument Sans', system-ui, sans-serif;
  --font-ui: 'Instrument Sans', system-ui, sans-serif;
}
[data-fonts="classic"] {
  --font-display: 'Fraunces', serif;
  --font-ui: 'DM Sans', system-ui, sans-serif;
}

/* --- Palette system via data attribute --- */
/* Palettes override accent variables only. Applied via JS:
   document.documentElement.dataset.palette = 'cockpit' */

/* --- Base body --- */
body {
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
  background-image: var(--bg-pattern);
  background-size: var(--bg-pattern-size);
  color: var(--text);
  line-height: 1.5;
}

/* --- Shared component: buttons --- */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.25rem;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.ds-btn:active {
  transform: scale(0.97);
}

.ds-btn-primary {
  background: var(--primary);
  color: #fff;
}
.ds-btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px var(--primary-shadow);
}

.ds-btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.ds-btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-alt);
}

.ds-btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger-border);
}
.ds-btn-danger:hover {
  background: var(--danger-bg);
}

.ds-btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: var(--text-xs);
}

.ds-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* --- Shared component: inputs --- */
.ds-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.ds-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* --- Shared component: cards --- */
.ds-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* --- Shared component: badges --- */
.ds-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text-muted);
}

/* --- Shared component: data table --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.8rem;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table th {
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  font-size: 0.75rem;
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
}

.data-table th.sortable {
  cursor: pointer;
}
.data-table th.sortable:hover {
  color: var(--primary);
}

.data-table td {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  white-space: nowrap;
}

.data-table .data-row {
  cursor: pointer;
  transition: background 0.1s;
}
.data-table .data-row:hover {
  background: var(--bg-alt, rgba(255, 255, 255, 0.04));
}

/* --- Shared component: pager --- */
.ds-pager {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2rem;
  padding: 0.6rem 1rem;
  border-top: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  flex-shrink: 0;
}
.ds-pager-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.ds-pager select {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.25rem 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  cursor: pointer;
}
.ds-pager button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.15rem 0.35rem;
  font-size: 1rem;
  line-height: 1;
  border-radius: 3px;
}
.ds-pager button:hover:not(:disabled) {
  color: var(--text);
  background: var(--bg-alt, rgba(255, 255, 255, 0.04));
}
.ds-pager button:disabled {
  opacity: 0.3;
  cursor: default;
}

/* --- Utility: visually-hidden --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Utility: truncate --- */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Animation: page load stagger --- */
@keyframes ds-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ds-slide-in-right {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes ds-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}