@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  /* ========== VISUAL-TRUTH UI TOKEN CONTRACT (bb-vt.1.1) ========== */
  --ui-bg-app: #070d16;
  --ui-bg-shell: #0c1420;
  --ui-bg-panel: #111c2a;
  --ui-bg-card: #1a2431;

  --ui-border-soft: rgba(153, 171, 190, 0.2);
  --ui-border-strong: rgba(153, 171, 190, 0.34);

  --ui-text-primary: #e8edf5;
  --ui-text-muted: #8f9caf;

  --ui-accent-ready: #35d98f;
  --ui-accent-blocked: #ff4c72;
  --ui-accent-warning: #ffb24a;
  --ui-accent-info: #35c9ff;
  --ui-accent-action-green: #35d98f;
  --ui-accent-action-red: #ff4c72;

  --ui-font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --ui-font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
  --ui-tracking-tight: -0.011em;
  --ui-numeric-tabular: tabular-nums;

  /* ========== LEGACY-COMPATIBLE MAPPINGS ========== */
  --color-bg-base: var(--ui-bg-app);
  --color-bg-card: var(--ui-bg-shell);
  --color-bg-input: var(--ui-bg-panel);

  --color-accent-green: var(--ui-accent-ready);
  --color-accent-amber: var(--ui-accent-warning);
  --color-accent-teal: var(--ui-accent-info);

  --color-text-primary: var(--ui-text-primary);
  --color-text-secondary: #c4cfdb;
  --color-text-muted: var(--ui-text-muted);
  --color-text-on-primary: #10161d;

  --color-border-default: var(--ui-border-strong);
  --color-border-subtle: var(--ui-border-soft);

  /* Status colors */
  --status-open: var(--ui-accent-info);
  --status-ready: var(--ui-accent-ready);
  --status-in-progress: var(--ui-accent-warning);
  --status-progress: var(--ui-accent-warning);
  --status-blocked: var(--ui-accent-blocked);
  --status-blocked-earthy: var(--ui-accent-blocked);
  --status-closed: #7f8b98;
  --status-closed-earthy: #7f8b98;
  --status-deferred: #7f8b98;

  /* Liveness colors */
  --liveness-active: var(--ui-accent-ready);
  --liveness-stale: var(--ui-accent-warning);
  --liveness-stuck: var(--ui-accent-action-red);
  --liveness-dead: var(--ui-accent-action-red);
  --liveness-idle: #7f8b98;

  /* Agent Role Colors */
  --agent-role-ui: #6B9BD2;
  --agent-role-graph: #7CB97A;
  --agent-role-orchestrator: #B08ED6;
  --agent-role-agent: #B8B8B8;
  --agent-role-researcher: #D4A574;

  /* Priority Colors */
  --priority-p0: #f43f5e;
  --priority-p1: #f59e0b;
  --priority-p2: #38bdf8;
  --priority-p3: #94a3b8;
  --priority-p4: #64748b;

  /* Blocks/Unlocks Section Colors */
  --color-blocks-bg: rgba(212, 165, 116, 0.1);
  --color-unlocks-bg: rgba(229, 115, 115, 0.1);
  --color-blocks-border: rgba(212, 165, 116, 0.2);
  --color-unlocks-border: rgba(229, 115, 115, 0.2);

  /* ========== RADI ========== */
  --radius-sm: 0.375rem;
  --radius-card: 1.5rem;
  /* rounded-3xl for soft feel */
  --radius-xl: 1.5rem;
  /* rounded-3xl */
  --radius-modal: 1rem;
  --radius-pill: 9999px;

  /* ========== SHADOWS ========== */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-soft-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
  --shadow-soft-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.4);

  /* ========== TYPOGRAPHY ========== */
  --font-ui-stack: var(--ui-font-sans);
  --font-mono-stack: var(--ui-font-mono);

  --font-size-h1: 2rem;
  --font-size-h2: 1.5rem;
  --font_size-h3: 1.125rem;
  --font-size-body: 0.875rem;
  --font-size-small: 0.75rem;
  --font-size-tiny: 0.6875rem;

  --font-weight-h1: 700;
  --font-weight-h2: 600;
  --font-weight-h3: 600;
  --font-weight-body: 400;

  --line-height-heading: 1.2;
  --line-height-body: 1.5;

  /* ========== SPACING ========== */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 2.5rem;

  /* ========== TRANSITIONS ========== */
  --transition-fast: 150ms ease-out;
  --transition-normal: 200ms ease-out;

  /* ========== LAYOUT ========== */
  --sidebar-left-width: 13.75rem;
  --sidebar-right-width: 17.5rem;
  --topbar-height: 3.75rem;

  --glass-base: linear-gradient(180deg,
      color-mix(in srgb, var(--ui-bg-card) 72%, black),
      color-mix(in srgb, var(--ui-bg-panel) 78%, black));
  --edge-top: color-mix(in srgb, var(--ui-border-strong) 80%, white 20%);
  --edge-bottom: color-mix(in srgb, var(--ui-border-soft) 75%, black 25%);
  --elevation-ambient: 0 20px 40px -16px rgba(0, 0, 0, 0.78);
  --elevation-tight: 0 10px 24px -12px rgba(0, 0, 0, 0.7);

  /* ========== LEGACY COMPATIBILITY TOKENS ========== */
  /* For existing components that reference these */
  --color-bg: var(--color-bg-base);
  --color-surface: var(--color-bg-card);
  --color-surface-muted: var(--color-bg-input);
  --color-text-strong: var(--color-text-primary);
  --color-text-body: var(--color-text-secondary);
  --color-border-soft: var(--color-border-subtle);
  --color-border-strong: var(--color-border-default);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background-color: var(--ui-bg-app);
  color: var(--ui-text-primary);
  font-family: var(--ui-font-sans);
  letter-spacing: var(--ui-tracking-tight);
  position: relative;
  isolation: isolate;
}

/* Aero Chrome decorative overlays removed per PRD - earthy-dark is clean/flat */

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.35) rgba(255, 255, 255, 0.02);
}

*::-webkit-scrollbar {
  width: 0.5rem;
  height: 0.5rem;
}

*::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 9999px;
}

*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(156, 163, 175, 0.55), rgba(107, 114, 128, 0.45));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
}

*::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(186, 194, 209, 0.72), rgba(124, 136, 156, 0.62));
}

.custom-scrollbar::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.15);
  border-radius: 20px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.3);
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}


.workflow-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-top-color: rgba(255, 255, 255, 0.24);
  border-bottom-color: rgba(0, 0, 0, 0.9);
  background: linear-gradient(180deg, rgba(42, 44, 52, 0.6) 0%, rgba(22, 23, 28, 0.6) 100%);
  box-shadow:
    var(--elevation-ambient),
    var(--elevation-tight),
    inset 0 1px 1px rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(24px) saturate(120%);
  -webkit-backdrop-filter: blur(24px) saturate(120%);
  transform: translateZ(0);
  will-change: transform, box-shadow;
}

.workflow-card-selected {
  border-color: rgba(96, 165, 250, 0.42);
  border-top-color: rgba(96, 165, 250, 0.58);
  background: linear-gradient(180deg, rgba(60, 68, 88, 0.7) 0%, rgba(35, 40, 52, 0.7) 100%);
  box-shadow:
    0 20px 48px -8px rgba(0, 0, 0, 0.9),
    0 0 0 1px rgba(96, 165, 250, 0.25),
    0 0 40px rgba(96, 165, 250, 0.15),
    inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.glass-panel {
  background: var(--glass-base);
  border: 1px solid var(--edge-side);
  border-top-color: var(--edge-top);
  border-bottom-color: var(--edge-bottom);
  box-shadow: var(--elevation-ambient);
  backdrop-filter: blur(24px) saturate(120%);
  -webkit-backdrop-filter: blur(24px) saturate(120%);
}

.bg-earthy-gradient {
  background: linear-gradient(to bottom right, #2D2D2D, #363636);
}

/* Shared dark form controls to avoid white-on-white browser defaults */
.ui-field {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--edge-top);
  border-bottom-color: var(--edge-bottom);
  background: linear-gradient(180deg, rgba(32, 34, 42, 0.72), rgba(17, 19, 26, 0.72));
  color: var(--color-text-strong);
  box-shadow:
    0 8px 20px -12px rgba(0, 0, 0, 0.85),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.ui-field::placeholder {
  color: color-mix(in srgb, var(--color-text-muted) 88%, transparent);
}

.ui-field:focus-visible {
  outline: none;
  border-color: rgba(96, 165, 250, 0.48);
  box-shadow:
    0 0 0 2px rgba(96, 165, 250, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.ui-select {
  appearance: none;
}

.ui-select option,
.ui-option {
  background-color: var(--ui-bg-panel);
  color: var(--ui-text-primary);
}

.ui-text {
  font-family: var(--ui-font-sans);
  font-weight: 500;
  letter-spacing: var(--ui-tracking-tight);
  line-height: 1.35;
}

.system-data {
  font-family: var(--ui-font-mono);
  font-variant-numeric: var(--ui-numeric-tabular);
  font-weight: 450;
  letter-spacing: 0.015em;
}

.ui-shell-app {
  background: var(--ui-bg-app);
  color: var(--ui-text-primary);
  font-family: var(--ui-font-sans);
  letter-spacing: var(--ui-tracking-tight);
}

.ui-shell-topbar {
  background: linear-gradient(180deg, color-mix(in srgb, var(--ui-bg-panel) 92%, black), var(--ui-bg-shell));
  border-bottom: 1px solid color-mix(in srgb, var(--ui-accent-info) 22%, var(--ui-border-soft));
  box-shadow: 0 10px 24px -20px rgba(0, 0, 0, 0.9);
}

.ui-shell-middle {
  background: linear-gradient(180deg, color-mix(in srgb, var(--ui-bg-app) 74%, black), color-mix(in srgb, var(--ui-bg-app) 90%, black));
  border-left: 1px solid color-mix(in srgb, var(--ui-accent-info) 20%, var(--ui-border-soft));
  border-right: 1px solid color-mix(in srgb, var(--ui-accent-info) 20%, var(--ui-border-soft));
}

.ui-shell-panel {
  background: linear-gradient(180deg, color-mix(in srgb, var(--ui-bg-shell) 86%, black), color-mix(in srgb, var(--ui-bg-panel) 84%, black));
  border-left: 1px solid color-mix(in srgb, var(--ui-accent-info) 30%, var(--ui-border-soft));
}

.ui-tabular-nums {
  font-variant-numeric: var(--ui-numeric-tabular);
}


.workflow-graph-legend {
  backdrop-filter: blur(12px);
  background: rgba(20, 23, 31, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.workflow-graph-flow .react-flow__viewport {
  background:
    radial-gradient(circle at 20% 20%, var(--aurora-blue), transparent 45%),
    radial-gradient(circle at 80% 15%, var(--aurora-amber), transparent 45%);
}

.workflow-graph-flow .react-flow__edges {
  z-index: 10 !important;
}

.workflow-graph-flow .react-flow__nodes {
  z-index: 20 !important;
}

.workflow-graph-flow .react-flow__edge-path {
  stroke-linecap: round;
  stroke-linejoin: round;
}

.workflow-graph-flow .workflow-edge-muted .react-flow__edge-path {
  opacity: 0.85;
}

.workflow-graph-flow .workflow-edge-selected .react-flow__edge-path {
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.6));
}

.workflow-graph-flow .workflow-edge-cycle .react-flow__edge-path {
  stroke: var(--color-accent-amber);
  stroke-dasharray: 4 4;
  opacity: 0.9;
}

/* Thread Drawer slide-in animation */
@keyframes slideInFromRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}