/*
   ONEAI UI Intelligence v1 foundation.
   Opt-in aliases and primitives only: existing HQ tokens remain the source of
   truth, and no existing page is restyled until it declares this contract.
*/

:root {
  /* Visual hierarchy: a 4px rhythm keeps future pages on one scale. */
  --ui-space-0: 0;
  --ui-space-1: 4px;
  --ui-space-2: 8px;
  --ui-space-3: 12px;
  --ui-space-4: 16px;
  --ui-space-5: 20px;
  --ui-space-6: 24px;
  --ui-space-7: 32px;

  /* Canonical page-outlet boundary: aligned to the accepted R ONE Students room. */
  --ui-page-gutter: 26px clamp(32px, 4vw, 64px) 52px;
  --ui-page-gutter-mobile: 18px 16px 40px;

  /* Canonical HQ page-header grammar. Keep the outer page gutter separate. */
  --ui-page-header-gap: clamp(14px, 2.2vw, 24px);
  --ui-page-header-padding-bottom: 16px;
  --ui-page-header-eyebrow-size: 10px;
  --ui-page-header-title-size: clamp(24px, 2.8vw, 32px);
  --ui-page-header-subtitle-size: 12px;

  --ui-font-family: var(--font);
  --ui-font-mono: var(--mono);
  --ui-font-size-body: 13px;
  --ui-font-size-label: 11px;
  --ui-font-size-title: 20px;
  --ui-line-body: 1.5;
  --ui-line-tight: 1.2;

  /* These aliases preserve the approved ONEAI / R ONE palette. */
  --ui-color-canvas: var(--bg-0);
  --ui-color-surface: var(--bg-1);
  --ui-color-surface-raised: var(--bg-2);
  --ui-color-surface-elevated: var(--bg-3);
  --ui-color-surface-strong: var(--bg-4);
  --ui-color-surface-interactive: var(--bg-hover);
  --ui-color-text-primary: var(--text-0);
  --ui-color-text-secondary: var(--text-1);
  --ui-color-text-muted: var(--text-2);
  --ui-color-text-subtle: var(--text-3);
  --ui-color-brand: var(--acc-nova);
  --ui-color-success: var(--ok);
  --ui-color-warning: var(--warn);
  --ui-color-danger: var(--danger);
  --ui-color-info: var(--info);
  --ui-color-working: var(--status-working);
  --ui-color-learning: var(--status-learning);
  --ui-color-waiting: var(--status-waiting);
  --ui-color-blocked: var(--status-blocked);
  --ui-color-on-accent: #fff;

  --ui-border-subtle: var(--line-0);
  --ui-border-quiet: var(--line-1);
  --ui-border-visible: var(--line-2);
  --ui-border-strong: var(--line-3);
  --ui-radius-compact: var(--r-sm);
  --ui-radius-control: var(--r-md);
  --ui-radius-surface: var(--r-lg);
  --ui-radius-feature: var(--r-xl);
  --ui-shadow-quiet: var(--shadow-1);
  --ui-shadow-raised: var(--shadow-2);

  --ui-motion-fast: 120ms;
  --ui-motion-normal: 180ms;
  --ui-motion-slow: 240ms;
  --ui-motion-ease: cubic-bezier(.2, .7, .2, 1);
  --ui-touch-target: 44px;
  --ui-focus-ring: 0 0 0 3px rgba(139,124,246,.34);

  /* Shared Quiet Intelligence tokens only; page selectors stay scoped. */
  --qi-ease: cubic-bezier(.22, 1, .36, 1);
  --qi-glass: rgba(255, 255, 255, .022);
  --qi-glass-2: rgba(255, 255, 255, .04);
  --qi-violet-glow: rgba(139, 124, 246, .16);
  --qi-cyan-glow: rgba(34, 211, 238, .10);
}

/* Canonical HQ page header: context/eyebrow -> title -> subtitle, with
   optional right-aligned actions/status on the page background. Page packages
   may tune their title scale for the room, but must not reintroduce an outer
   dark header card without explicit Owner approval. */
.oneai-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ui-page-header-gap);
  min-width: 0;
  padding: 0 0 var(--ui-page-header-padding-bottom);
  border: 0;
  border-bottom: 1px solid var(--ui-border-subtle);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.oneai-page-header__content {
  min-width: 0;
  flex: 1 1 auto;
}

.oneai-page-header__eyebrow {
  display: block;
  margin: 0;
  color: var(--ui-color-brand);
  font-size: var(--ui-page-header-eyebrow-size);
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.oneai-page-header__title {
  margin: 7px 0 0;
  color: var(--ui-color-text-primary);
  font-size: var(--ui-page-header-title-size);
  line-height: 1.15;
  letter-spacing: -.035em;
}

.oneai-page-header__subtitle {
  max-width: 68ch;
  margin: 4px 0 0;
  color: var(--ui-color-text-muted);
  font-size: var(--ui-page-header-subtitle-size);
  line-height: 1.45;
}

.oneai-page-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ui-space-2);
  flex: 0 0 auto;
  flex-wrap: wrap;
}

@media (max-width: 720px) {
  .oneai-page-header {
    flex-direction: column;
    gap: var(--ui-space-3);
  }

  .oneai-page-header__actions {
    width: 100%;
    justify-content: flex-start;
  }
}

/* Pages/components opt in with data-ui-intelligence; unused foundation rules
   are intentionally inert on today's accepted surfaces. */
[data-ui-intelligence] {
  color: var(--ui-color-text-secondary);
  font-family: var(--ui-font-family);
  line-height: var(--ui-line-body);
}

[data-ui-intelligence] .ui-intelligence-layout {
  display: grid;
  min-width: 0;
  gap: var(--ui-space-4);
}

[data-ui-intelligence] .ui-intelligence-surface {
  min-width: 0;
  border: 1px solid var(--ui-border-quiet);
  border-radius: var(--ui-radius-surface);
  background: var(--ui-color-surface);
  box-shadow: var(--ui-shadow-quiet);
  transition: border-color var(--ui-motion-normal) var(--ui-motion-ease),
              box-shadow var(--ui-motion-normal) var(--ui-motion-ease),
              background-color var(--ui-motion-normal) var(--ui-motion-ease);
}

[data-ui-intelligence] .ui-intelligence-surface[data-ui-depth="raised"] {
  background: var(--ui-color-surface-raised);
  box-shadow: var(--ui-shadow-raised);
}

[data-ui-intelligence] .ui-intelligence-surface[data-ui-depth="elevated"] {
  background: var(--ui-color-surface-elevated);
  box-shadow: var(--ui-shadow-raised);
}

[data-ui-intelligence] .ui-intelligence-heading[data-ui-level="1"] {
  color: var(--ui-color-text-primary);
  font-size: var(--ui-font-size-title);
  line-height: var(--ui-line-tight);
}

[data-ui-intelligence] .ui-intelligence-heading[data-ui-level="2"] {
  color: var(--ui-color-text-primary);
  font-size: 16px;
  line-height: var(--ui-line-tight);
}

[data-ui-intelligence] .ui-intelligence-label {
  color: var(--ui-color-text-muted);
  font-size: var(--ui-font-size-label);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

[data-ui-intelligence] .ui-intelligence-prose {
  max-width: 70ch;
  color: var(--ui-color-text-secondary);
  font-size: var(--ui-font-size-body);
}

[data-ui-intelligence] .ui-intelligence-control {
  min-width: var(--ui-touch-target);
  min-height: var(--ui-touch-target);
  border: 1px solid var(--ui-border-visible);
  border-radius: var(--ui-radius-control);
  color: var(--ui-color-text-secondary);
  background: var(--ui-color-surface-elevated);
  cursor: pointer;
  transition: border-color var(--ui-motion-fast) var(--ui-motion-ease),
              background-color var(--ui-motion-fast) var(--ui-motion-ease),
              color var(--ui-motion-fast) var(--ui-motion-ease),
              transform var(--ui-motion-fast) var(--ui-motion-ease);
}

[data-ui-intelligence] .ui-intelligence-control:hover {
  border-color: var(--ui-border-strong);
  color: var(--ui-color-text-primary);
  background: var(--ui-color-surface-interactive);
}

[data-ui-intelligence] .ui-intelligence-control:active {
  transform: translateY(1px);
}

[data-ui-intelligence] .ui-intelligence-control:focus-visible,
[data-ui-intelligence] [data-ui-focusable]:focus-visible {
  outline: 2px solid var(--ui-color-brand);
  outline-offset: 2px;
  box-shadow: var(--ui-focus-ring);
}

[data-ui-intelligence] .ui-intelligence-control[aria-disabled="true"],
[data-ui-intelligence] .ui-intelligence-control:disabled {
  cursor: not-allowed;
  opacity: .58;
}

[data-ui-intelligence] .ui-intelligence-state {
  --ui-state-color: var(--ui-color-info);
  --ui-state-surface: rgba(56,189,248,.12);
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  gap: var(--ui-space-2);
  padding: var(--ui-space-1) var(--ui-space-3);
  border: 1px solid color-mix(in srgb, var(--ui-state-color) 42%, transparent);
  border-radius: 999px;
  color: var(--ui-state-color);
  background: var(--ui-state-surface);
  font-size: var(--ui-font-size-label);
  font-weight: 700;
}

[data-ui-intelligence] .ui-intelligence-state::before {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

[data-ui-intelligence] .ui-intelligence-state[data-ui-state="working"],
[data-ui-intelligence] .ui-intelligence-state[data-ui-state="executing"] {
  --ui-state-color: var(--ui-color-working);
  --ui-state-surface: rgba(52,211,153,.12);
}

[data-ui-intelligence] .ui-intelligence-state[data-ui-state="thinking"],
[data-ui-intelligence] .ui-intelligence-state[data-ui-state="streaming"],
[data-ui-intelligence] .ui-intelligence-state[data-ui-state="progress"] {
  --ui-state-color: var(--ui-color-learning);
  --ui-state-surface: rgba(56,189,248,.12);
}

[data-ui-intelligence] .ui-intelligence-state[data-ui-state="awaiting_approval"],
[data-ui-intelligence] .ui-intelligence-state[data-ui-state="waiting"] {
  --ui-state-color: var(--ui-color-waiting);
  --ui-state-surface: rgba(251,191,36,.12);
}

[data-ui-intelligence] .ui-intelligence-state[data-ui-state="blocked"],
[data-ui-intelligence] .ui-intelligence-state[data-ui-state="failed"] {
  --ui-state-color: var(--ui-color-blocked);
  --ui-state-surface: rgba(248,113,113,.12);
}

[data-ui-intelligence] .ui-intelligence-state[data-ui-state="complete"] {
  --ui-state-color: var(--ui-color-success);
  --ui-state-surface: rgba(52,211,153,.12);
}

[data-ui-intelligence] .ui-intelligence-authority,
[data-ui-intelligence] .ui-intelligence-evidence {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: var(--ui-space-1) var(--ui-space-2);
  border: 1px solid var(--ui-border-quiet);
  border-radius: 999px;
  color: var(--ui-color-text-muted);
  font-size: var(--ui-font-size-label);
  font-weight: 700;
}

[data-ui-intelligence] .ui-intelligence-authority[data-ui-authority="approval_required"] {
  border-color: var(--ui-color-warning);
  color: var(--ui-color-warning);
}

[data-ui-intelligence] .ui-intelligence-authority[data-ui-authority="auto_execute"] {
  border-color: var(--ui-color-working);
  color: var(--ui-color-working);
}

[data-ui-intelligence] .ui-intelligence-evidence[data-ui-evidence="verified"] {
  border-color: var(--ui-color-success);
  color: var(--ui-color-success);
}

[data-ui-intelligence] .ui-intelligence-evidence[data-ui-evidence="needs_verification"],
[data-ui-intelligence] .ui-intelligence-evidence[data-ui-evidence="unavailable"] {
  border-color: var(--ui-color-warning);
  color: var(--ui-color-warning);
}

[data-ui-intelligence] .ui-intelligence-progress {
  min-width: 0;
  overflow: hidden;
  height: 6px;
  border-radius: 999px;
  background: var(--ui-color-surface-strong);
}

[data-ui-intelligence] .ui-intelligence-progress > span {
  display: block;
  width: var(--ui-progress, 0%);
  height: 100%;
  border-radius: inherit;
  background: var(--ui-color-brand);
  transition: width var(--ui-motion-normal) var(--ui-motion-ease);
}

[data-ui-intelligence] .ui-intelligence-stream {
  border-inline-start: 2px solid var(--ui-color-brand);
  padding-inline-start: var(--ui-space-3);
}

[data-ui-intelligence] .ui-intelligence-live {
  min-height: 1.5em;
}

[data-ui-intelligence] .ui-intelligence-loading[aria-busy="true"] {
  color: var(--ui-color-learning);
}

[data-ui-intelligence] .ui-intelligence-loading[aria-busy="true"]::after {
  margin-inline-start: var(--ui-space-2);
  color: var(--ui-color-text-muted);
  content: "Updating";
}

[data-ui-intelligence] .ui-intelligence-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 720px) {
  [data-ui-intelligence] .ui-intelligence-layout {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  [data-ui-intelligence] .ui-intelligence-surface {
    border-radius: var(--ui-radius-control);
  }

  [data-ui-intelligence] .ui-intelligence-control {
    min-height: var(--ui-touch-target);
  }
}

@media (forced-colors: active) {
  [data-ui-intelligence] .ui-intelligence-control:focus-visible,
  [data-ui-intelligence] [data-ui-focusable]:focus-visible {
    outline: 2px solid ButtonText;
    box-shadow: none;
  }

  [data-ui-intelligence] .ui-intelligence-state,
  [data-ui-intelligence] .ui-intelligence-surface {
    border-color: CanvasText;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-ui-intelligence],
  [data-ui-intelligence] *,
  [data-ui-motion],
  [data-ui-motion] * {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }

  [data-ui-intelligence] .ui-intelligence-control:active {
    transform: none;
  }
}