/* ═══════════════════════════════════════════════════════════
   Aeldorado — Control Room Theme
   A precise, instrument-panel dark UI. Every number is tabular,
   every label is a small-cap eyebrow, every border is a hairline.
   ═══════════════════════════════════════════════════════════ */

:root {
  /* ── Surfaces — layered near-black, not pure black ────────── */
  --bg:            #0a0a0c;
  --surface:       #131316;
  --surface-2:     #18181c;
  --surface-hover: #1f1f24;
  --border:        #232328;
  --border-strong: #2e2e35;

  /* ── Accent — precise cool blue, not pastel ───────────────── */
  --primary:            #5b9dfa;
  --primary-hover:      #78aefb;
  --primary-container:  rgba(91, 157, 250, 0.12);
  --primary-container-strong: rgba(91, 157, 250, 0.2);

  /* ── Text ──────────────────────────────────────────────────── */
  --text:           #eceef1;
  --text-secondary: #a3a7b0;
  --text-muted:     #6b6f78;

  /* ── Status ────────────────────────────────────────────────── */
  --success:            #4ade80;
  --success-container:  rgba(74, 222, 128, 0.12);
  --error:               #f76464;
  --error-container:    rgba(247, 100, 100, 0.12);
  --warning:            #f5b342;
  --warning-container:  rgba(245, 179, 66, 0.12);
  --info: var(--primary);

  /* ── Type ──────────────────────────────────────────────────── */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace;

  /* ── Spacing scale ─────────────────────────────────────────── */
  --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;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* ── Radius ────────────────────────────────────────────────── */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* ── Elevation ─────────────────────────────────────────────── */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35), 0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.45), 0 2px 6px rgba(0,0,0,0.3);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark;
}

body {
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(91,157,250,0.05), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--primary-container-strong);
  color: var(--text);
}

/* Thin, quiet scrollbars — fits an instrument-panel feel */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-full); }
*::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Common Components ───────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
  border: 1px solid transparent;
  gap: 8px;
  white-space: nowrap;
  font-family: inherit;
}

.btn:active {
  transform: translateY(1px);
}

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

.btn-primary {
  background: var(--primary);
  color: #05070d;
  border: 1px solid var(--primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 0 0 3px var(--primary-container);
}

.btn-outline {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
}

.btn-outline:hover:not(:disabled) {
  background: var(--surface-hover);
  border-color: var(--text-muted);
}

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

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text);
}

.btn-danger {
  background: var(--error-container);
  color: var(--error);
  border: 1px solid rgba(247, 100, 100, 0.3);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(247, 100, 100, 0.18);
  border-color: rgba(247, 100, 100, 0.5);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 0.9375rem;
}

.btn-block {
  width: 100%;
}

/* ── Input Fields ────────────────────────────────────────── */

.studio-input, .studio-select, .studio-textarea {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 9px 13px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  width: 100%;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.studio-input::placeholder {
  color: var(--text-muted);
}

.studio-input:focus, .studio-select:focus, .studio-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-container);
}

.studio-textarea {
  resize: vertical;
  min-height: 100px;
}

.studio-select {
  cursor: pointer;
}

/* ── Tables ──────────────────────────────────────────────── */

.studio-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: var(--space-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.studio-table th {
  text-align: left;
  padding: 11px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
}

.studio-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text);
  vertical-align: middle;
}

.studio-table tr:last-child td {
  border-bottom: none;
}

.studio-table tbody tr {
  transition: background 0.1s ease;
}

.studio-table tbody tr:hover {
  background: var(--surface-hover);
}

.studio-table td.clickable {
  cursor: pointer;
  color: var(--primary);
  font-weight: 500;
}

.studio-table td.clickable:hover {
  text-decoration: underline;
}

/* ── Badges ──────────────────────────────────────────────── */

.status-badge {
  font-size: 0.6875rem;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-weight: 700;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.status-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.status-badge.success { background: var(--success-container); color: var(--success); border-color: rgba(74, 222, 128, 0.25); }
.status-badge.error { background: var(--error-container); color: var(--error); border-color: rgba(247, 100, 100, 0.25); }
.status-badge.warning { background: var(--warning-container); color: var(--warning); border-color: rgba(245, 179, 66, 0.25); }

/* Plain (uncolored) badge — used for tier labels etc. */
.status-badge:not(.success):not(.error):not(.warning) {
  background: var(--surface-2);
  color: var(--text-secondary);
  border-color: var(--border-strong);
}
.status-badge:not(.success):not(.error):not(.warning)::before {
  background: var(--text-muted);
}

/* ── Empty & Error States ────────────────────────────────── */

.empty-state, .error-state {
  padding: var(--space-12) var(--space-8);
  text-align: center;
  color: var(--text-secondary);
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-strong);
  font-size: 0.8125rem;
}

.error-state {
  color: var(--error);
  border-color: rgba(247, 100, 100, 0.3);
  background: var(--error-container);
}

.loader-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--space-10);
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.loader-inline::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  border-top-color: var(--primary);
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.icon-spin {
  animation: spin 1s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .loader-inline::before,
  .icon-spin { animation: none; }
}

/* ── Skeleton loaders ─────────────────────────────────────────
   Content-shaped placeholders so pages morph into real data
   instead of popping from a spinner to a full layout. */
@keyframes skeleton-shimmer {
  0%   { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

.skel {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 37%, var(--surface-2) 63%);
  background-size: 400px 100%;
  animation: skeleton-shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  .skel { animation: none; opacity: 0.6; }
}

.skel-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.skel-stat-card {
  padding: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.skel-stat-card .skel-label { width: 70%; height: 11px; margin-bottom: var(--space-3); }
.skel-stat-card .skel-value { width: 45%; height: 24px; }

.skel-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.skel-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}

.skel-row:last-child { border-bottom: none; }

.skel-row .skel { height: 13px; flex: 1; }
.skel-row .skel:nth-child(1) { flex: 1.4; }
.skel-row .skel:nth-child(4) { flex: 0.7; }

.skel-block { height: 14px; }
.skel-block.wide { width: 100%; }
.skel-block.short { width: 40%; }