/**
 * GTOS Design Tokens v0.1 — PROGRAM-002 / UX-001
 * Additive layer: does not remove legacy --primary-color aliases.
 * Constitution: Performance Before Effects · Enterprise Before Fancy
 */
:root {
  color-scheme: light;

  /* --- Platform shell (light default) --- */
  --maytras-shell-bg: #f4f7fb;
  --maytras-shell-bg-gradient: radial-gradient(900px 500px at 88% -15%, rgba(13, 148, 136, 0.12), transparent 68%),
    radial-gradient(700px 420px at -10% 10%, rgba(14, 165, 233, 0.1), transparent 64%),
    linear-gradient(180deg, #f4f7fb 0%, #eef4ff 100%);
  --maytras-shell-text: #0f172a;
  --maytras-shell-text-muted: #64748b;
  --maytras-shell-surface: #ffffff;
  --maytras-shell-surface-muted: rgba(248, 250, 252, 0.92);
  --maytras-shell-border: rgba(148, 163, 184, 0.28);
  --maytras-shell-header-bg: rgba(255, 255, 255, 0.82);
  --maytras-shell-sidebar-bg: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  --maytras-shell-sidebar-text: #f8fafc;
  --maytras-shell-sidebar-muted: #94a3b8;
  --maytras-shell-input-bg: #ffffff;
  --maytras-shell-input-text: #0f172a;
  --maytras-shell-input-border: rgba(148, 163, 184, 0.45);
  --maytras-shell-gold: #cfaf6b;
  --maytras-shell-focus: #0d9488;
  --maytras-meta-theme: #f8fafc;

  /* --- Color: surfaces --- */
  --gtos-color-bg: #f8fafc;
  --gtos-color-surface: #ffffff;
  --gtos-color-surface-elevated: #ffffff;
  --gtos-color-border: #e5e7eb;
  --gtos-color-text: var(--maytras-shell-text);
  --gtos-color-text-muted: var(--maytras-shell-text-muted);

  /* --- Color: brand & semantic (PSP-001 §5 — anlam sabittir, dekorasyon değil) ---
   * success/green = Verified · info/blue = Information · warning/amber = Warning
   * danger/red = Critical Risk · ai/indigo = Artificial Intelligence · muted = Inactive
   */
  --gtos-color-primary: #0d9488;
  --gtos-color-primary-strong: #115e59;
  --gtos-color-info: #14b8a6;
  --gtos-color-success: #10b981;
  --gtos-color-warning: #f59e0b;
  --gtos-color-danger: #ef4444;
  --gtos-color-ai: #0f766e;
  --gtos-color-ai-soft: rgba(15, 118, 110, 0.12);
  --gtos-color-risk-low: #10b981;
  --gtos-color-risk-med: #f59e0b;
  --gtos-color-risk-high: #ef4444;

  /* --- Typography (Inter + Space Grotesk — index.html font yükleme ile hizalı) --- */
  --gtos-font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --gtos-font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --gtos-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --gtos-text-2xs: 0.625rem;
  --gtos-text-xs: 0.75rem;
  --gtos-text-sm: 0.875rem;
  --gtos-text-md: 1rem;
  --gtos-text-lg: 1.125rem;
  --gtos-text-xl: 1.25rem;
  --gtos-text-display: 1.5rem;
  --gtos-text-compact: 0.8125rem;
  --gtos-text-micro: 0.6875rem;
  --gtos-text-workspace-title: clamp(1.15rem, 1rem + 0.45vw, 1.35rem);
  --gtos-leading: 1.55;
  --gtos-leading-tight: 1.35;
  --gtos-text-primary: var(--maytras-shell-text);
  --gtos-text-muted: var(--maytras-shell-text-muted);

  /* --- Space (4-based) --- */
  --gtos-space-1: 4px;
  --gtos-space-2: 8px;
  --gtos-space-3: 12px;
  --gtos-space-4: 16px;
  --gtos-space-5: 24px;
  --gtos-space-6: 32px;

  /* --- Radius / shadow / motion --- */
  --gtos-radius-sm: 6px;
  --gtos-radius-md: 10px;
  --gtos-radius-lg: 14px;
  --gtos-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --gtos-shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --gtos-shadow-enterprise: 0 1px 0 rgba(15, 23, 42, 0.04), 0 12px 32px rgba(15, 23, 42, 0.06);
  --gtos-motion-fast: 120ms;
  --gtos-motion-base: 200ms;
  --gtos-motion-ease: ease;

  /* --- Layout --- */
  --gtos-sidebar-width: 260px;
  --gtos-sidebar-width-collapsed: 72px;
  --gtos-header-height: 64px;
  --gtos-rail-width: 320px;

  /* --- Legacy aliases (non-breaking) --- */
  --background-color: var(--gtos-color-bg);
  --surface-color: var(--gtos-color-surface);
  --text-primary: var(--gtos-color-text);
  --text-secondary: var(--gtos-color-text-muted);
  --border-color: var(--gtos-color-border);
  --primary-color: var(--gtos-color-primary);
  --secondary-color: var(--gtos-color-primary-strong);
  --accent-color: var(--gtos-color-info);
  --success-color: var(--gtos-color-success);
  --warning-color: var(--gtos-color-warning);
  --error-color: var(--gtos-color-danger);
  --shadow: var(--gtos-shadow-sm);
  --shadow-lg: var(--gtos-shadow-md);
  --sidebar-width: var(--gtos-sidebar-width);
  --sidebar-width-collapsed: var(--gtos-sidebar-width-collapsed);
  --title-color: var(--gtos-color-text);
}

html[data-theme='light'] {
  color-scheme: light;
}

html[data-theme='dark'] {
  color-scheme: dark;

  --maytras-shell-bg: #0b1120;
  --maytras-shell-bg-gradient: radial-gradient(900px 500px at 88% -15%, rgba(45, 212, 191, 0.08), transparent 68%),
    radial-gradient(700px 420px at -10% 10%, rgba(37, 99, 235, 0.1), transparent 64%),
    linear-gradient(180deg, #0b1120 0%, #111827 100%);
  --maytras-shell-text: #f1f5f9;
  --maytras-shell-text-muted: #94a3b8;
  --maytras-shell-surface: #1e293b;
  --maytras-shell-surface-muted: rgba(30, 41, 59, 0.88);
  --maytras-shell-border: rgba(148, 163, 184, 0.22);
  --maytras-shell-header-bg: rgba(15, 23, 42, 0.82);
  --maytras-shell-sidebar-bg: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.9));
  --maytras-shell-sidebar-text: #f8fafc;
  --maytras-shell-sidebar-muted: #94a3b8;
  --maytras-shell-input-bg: rgba(15, 23, 42, 0.65);
  --maytras-shell-input-text: #f1f5f9;
  --maytras-shell-input-border: rgba(148, 163, 184, 0.28);
  --maytras-shell-gold: #e8cf88;
  --maytras-shell-focus: #2dd4bf;
  --maytras-meta-theme: #0b1120;

  /* Fable Premium d2030 panel tonları ile hizalı (bkz. gtos-command-center.css) */
  --gtos-color-bg: #04070f;
  --gtos-color-surface: #0a111f;
  --gtos-color-surface-elevated: #0e1728;
  --gtos-color-border: rgba(148, 163, 184, 0.16);
  --gtos-color-text: var(--maytras-shell-text);
  --gtos-color-text-muted: var(--maytras-shell-text-muted);
  --gtos-text-primary: var(--maytras-shell-text);
  --gtos-text-muted: var(--maytras-shell-text-muted);
  --gtos-color-primary: #2dd4bf;
  --gtos-color-primary-strong: #5eead4;
  --gtos-color-info: #2dd4bf;
  --gtos-color-success: #34d399;
  --gtos-color-warning: #fbbf24;
  --gtos-color-danger: #f87171;
  --gtos-color-ai: #2dd4bf;
  --gtos-color-ai-soft: rgba(45, 212, 191, 0.12);
  --gtos-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
  --gtos-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);

  /* Legacy unified aliases — dark parity */
  --background-color: var(--gtos-color-bg);
  --surface-color: var(--gtos-color-surface);
  --text-primary: var(--gtos-color-text);
  --text-secondary: var(--gtos-color-text-muted);
  --border-color: var(--gtos-color-border);
  --bg-0: #0b1120;
  --bg-1: #111827;
  --glass: rgba(30, 41, 59, 0.82);
  --glass-strong: rgba(30, 41, 59, 0.94);
  --surface-outline: rgba(148, 163, 184, 0.22);
  --title-color: var(--gtos-color-text);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --gtos-motion-fast: 0ms;
    --gtos-motion-base: 0ms;
  }
}

/* Utility hooks for new CC / shell work (opt-in classes) */
.gtos-surface {
  background: var(--gtos-color-surface);
  color: var(--gtos-color-text);
  border: 1px solid var(--gtos-color-border);
  border-radius: var(--gtos-radius-md);
}

.gtos-text-muted {
  color: var(--gtos-color-text-muted);
}

.gtos-badge-success {
  color: var(--gtos-color-success);
}
.gtos-badge-warning {
  color: var(--gtos-color-warning);
}
.gtos-badge-danger {
  color: var(--gtos-color-danger);
}
.gtos-badge-ai {
  color: var(--gtos-color-ai);
}

/* --- MetricCard golden primitive (UX-001 / W2-1) --- */
.gtos-metric-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--gtos-space-3);
}

.gtos-metric-card {
  display: flex;
  flex-direction: column;
  gap: var(--gtos-space-1);
  padding: var(--gtos-space-3);
  background: var(--gtos-color-surface);
  color: var(--gtos-color-text);
  border: 1px solid var(--gtos-color-border);
  border-radius: var(--gtos-radius-md);
  box-shadow: var(--gtos-shadow-sm);
  min-width: 0;
  text-decoration: none;
}

.gtos-metric-card--link:hover {
  border-color: var(--gtos-color-primary);
}

.gtos-metric-card__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--gtos-space-2);
}

.gtos-metric-card__ico {
  color: var(--gtos-color-text-muted);
  font-size: var(--gtos-text-sm);
}

.gtos-metric-card__label {
  margin: 0;
  font-size: var(--gtos-text-xs);
  color: var(--gtos-color-text-muted);
  font-weight: 600;
}

.gtos-metric-card__value {
  font-size: var(--gtos-text-xl);
  font-weight: 700;
  line-height: 1.2;
}

.gtos-metric-card__unit {
  margin-left: var(--gtos-space-1);
  font-size: var(--gtos-text-sm);
  font-weight: 600;
  color: var(--gtos-color-text-muted);
}

.gtos-metric-card__delta {
  font-size: var(--gtos-text-xs);
  font-weight: 700;
}

.gtos-metric-card__delta--up {
  color: var(--gtos-color-success);
}
.gtos-metric-card__delta--down {
  color: var(--gtos-color-danger);
}
.gtos-metric-card__delta--flat {
  color: var(--gtos-color-text-muted);
}

.gtos-metric-card--ok .gtos-metric-card__ico {
  color: var(--gtos-color-success);
}
.gtos-metric-card--warn .gtos-metric-card__ico {
  color: var(--gtos-color-warning);
}
.gtos-metric-card--danger .gtos-metric-card__ico {
  color: var(--gtos-color-danger);
}
.gtos-metric-card--ai .gtos-metric-card__ico {
  color: var(--gtos-color-ai);
}

.gtos-metric-card__spark {
  width: 100%;
  height: 36px;
  color: var(--gtos-color-primary);
  margin-top: var(--gtos-space-1);
}

.gtos-metric-card--loading .gtos-metric-card__skeleton {
  height: 72px;
  border-radius: var(--gtos-radius-sm);
  background: linear-gradient(
    90deg,
    var(--gtos-color-border) 0%,
    var(--gtos-color-surface-elevated) 50%,
    var(--gtos-color-border) 100%
  );
  background-size: 200% 100%;
  animation: gtos-metric-skeleton var(--gtos-motion-base) ease-in-out infinite;
}

.gtos-metric-card__error {
  margin: 0;
  color: var(--gtos-color-danger);
  font-size: var(--gtos-text-sm);
}

.gtos-metric-card__empty {
  margin: 0;
  color: var(--gtos-color-text-muted);
  font-size: var(--gtos-text-lg);
}

@keyframes gtos-metric-skeleton {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gtos-metric-card--loading .gtos-metric-card__skeleton {
    animation: none;
  }
}

/* --- PipelineStepper golden primitive (UX-003 / UX-005) --- */
.gtos-pipeline {
  display: flex;
  flex-direction: column;
  gap: var(--gtos-space-3);
  padding: var(--gtos-space-4);
  background: var(--gtos-color-surface);
  border: 1px solid var(--gtos-color-border);
  border-radius: var(--gtos-radius-md);
  color: var(--gtos-color-text);
}

.gtos-pipeline__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--gtos-space-3);
}

.gtos-pipeline__title {
  margin: 0;
  font-size: var(--gtos-text-sm);
  font-weight: 700;
}

.gtos-pipeline__id {
  margin: var(--gtos-space-1) 0 0;
  font-family: var(--gtos-font-mono);
  font-size: var(--gtos-text-xs);
  color: var(--gtos-color-text-muted);
}

.gtos-pipeline__owner {
  font-size: var(--gtos-text-xs);
  color: var(--gtos-color-text-muted);
}

.gtos-pipeline__progress {
  height: 6px;
  background: var(--gtos-color-border);
  border-radius: 999px;
  overflow: hidden;
}

.gtos-pipeline__progress-bar {
  display: block;
  height: 100%;
  background: var(--gtos-color-primary);
  border-radius: 999px;
}

.gtos-pipeline__stages {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gtos-space-2);
}

.gtos-pipeline__stage {
  display: inline-flex;
  align-items: center;
  gap: var(--gtos-space-2);
  padding: var(--gtos-space-2) var(--gtos-space-3);
  border-radius: var(--gtos-radius-sm);
  border: 1px solid var(--gtos-color-border);
  background: var(--gtos-color-bg);
  text-decoration: none;
  color: inherit;
  font-size: var(--gtos-text-xs);
}

.gtos-pipeline__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gtos-color-text-muted);
}

.gtos-pipeline__stage--pass .gtos-pipeline__dot {
  background: var(--gtos-color-success);
}
.gtos-pipeline__stage--warn .gtos-pipeline__dot {
  background: var(--gtos-color-warning);
}
.gtos-pipeline__stage--wait .gtos-pipeline__dot {
  background: var(--gtos-color-info);
}
.gtos-pipeline__stage--fail .gtos-pipeline__dot {
  background: var(--gtos-color-danger);
}
.gtos-pipeline__stage--skip {
  opacity: 0.55;
}

.gtos-pipeline__stage-status {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.gtos-pipeline__stage--pass .gtos-pipeline__stage-status {
  color: var(--gtos-color-success);
}
.gtos-pipeline__stage--warn .gtos-pipeline__stage-status {
  color: var(--gtos-color-warning);
}
.gtos-pipeline__stage--fail .gtos-pipeline__stage-status {
  color: var(--gtos-color-danger);
}

.gtos-pipeline--loading .gtos-pipeline__skeleton {
  height: 96px;
  border-radius: var(--gtos-radius-sm);
  background: var(--gtos-color-border);
}

.gtos-pipeline__error {
  margin: 0;
  color: var(--gtos-color-danger);
}

.gtos-pipeline__empty-title {
  margin: 0;
  font-weight: 700;
}

.gtos-pipeline__empty-hint {
  margin: var(--gtos-space-2) 0 0;
  color: var(--gtos-color-text-muted);
  font-size: var(--gtos-text-sm);
}