/* ============================================================
   M3A System — design tokens
   Sistema único, interligado. Mudar aqui = mudar em todas as telas.
   ============================================================ */

:root {
  /* Brand — M3A */
  --indigo-900: #15123A;
  --indigo-800: #1A1640;
  --indigo-700: #211C47;          /* primary brand bg */
  --indigo-600: #2D2755;
  --indigo-500: #3830B0;          /* accent indigo (links/focus) */
  --indigo-100: #E8E5F4;

  --neon-500: #00FF94;            /* primary action */
  --neon-600: #00E085;
  --neon-100: #D9FFEC;

  --teal-500: #0ACCC7;            /* secondary accent */
  --teal-100: #D2F4F3;

  --amber-500: #E8A23A;           /* warning / atenção */
  --amber-600: #C7841F;
  --amber-100: #F8EBD4;

  --rose-500: #E5484D;            /* danger */
  --rose-100: #FCE4E4;

  /* Paper neutrals (warm cream tone) */
  --paper-0: #FFFDF9;
  --paper-50: #FAF7F2;            /* base bg */
  --paper-100: #F5F2EC;           /* elevated surface */
  --paper-200: #ECE8E0;           /* borders */
  --paper-300: #D9D3C7;
  --paper-500: #8C8579;
  --paper-700: #4A463E;
  --paper-900: #211C47;           /* foreground = brand indigo */

  /* Theme tokens (light default) */
  --bg: var(--paper-50);
  --surface: var(--paper-0);
  --surface-2: var(--paper-100);
  --surface-elevated: #FFFFFF;
  --border: var(--paper-200);
  --border-strong: var(--paper-300);
  --fg: var(--indigo-700);
  --fg-muted: #6E6B7E;
  --fg-subtle: #9A95A8;
  --accent: var(--indigo-500);
  --action: var(--neon-500);
  --action-fg: var(--indigo-700);

  /* Type scale */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-ui: 'Space Grotesk', system-ui, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --t-h1: clamp(28px, 2.4vw, 36px);
  --t-h2: 22px;
  --t-h3: 17px;
  --t-body: 15px;
  --t-meta: 12px;
  --t-micro: 11px;

  /* Space (8pt scale) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 24px; --s-7: 32px; --s-8: 40px;
  --s-9: 56px; --s-10: 72px;

  /* Containers */
  --w-narrow: 640px;
  --w-editorial: 980px;
  --w-wide: 1400px;

  /* Radii */
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --r-pill: 999px;

  /* Shadows */
  --shadow-1: 0 1px 0 rgba(33, 28, 71, 0.04), 0 1px 2px rgba(33, 28, 71, 0.04);
  --shadow-2: 0 2px 4px rgba(33, 28, 71, 0.05), 0 8px 24px rgba(33, 28, 71, 0.06);
  --shadow-pop: 0 12px 32px rgba(33, 28, 71, 0.18);

  /* Header height — used for sticky offsets */
  --header-h: 56px;

  /* Density (driven by Tweaks) */
  --density: 1;
}

/* Dark theme */
[data-theme="dark"] {
  --bg: var(--indigo-900);
  --surface: var(--indigo-800);
  --surface-2: var(--indigo-700);
  --surface-elevated: var(--indigo-600);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --fg: #F4F1EA;
  --fg-muted: #A9A4BC;
  --fg-subtle: #6E6985;
  --accent: var(--neon-500);
  --action: var(--neon-500);
  --action-fg: var(--indigo-700);
}

/* Brand intensity: imersivo (dark indigo as default surface even in light) */
[data-intensity="immersive"] {
  --bg: var(--indigo-700);
  --surface: var(--indigo-600);
  --surface-2: #342E5F;
  --surface-elevated: var(--indigo-800);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);
  --fg: #F4F1EA;
  --fg-muted: #B4AECB;
  --fg-subtle: #7A7596;
  --accent: var(--neon-500);
  --action: var(--neon-500);
}

/* ----- Reset / base ----- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  font-size: var(--t-body);
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button { font: inherit; color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
input, textarea, select { font: inherit; color: inherit; }

/* ----- Typography utilities ----- */
.font-mono { font-family: var(--font-mono); }
.font-serif { font-family: var(--font-serif); }
.font-ui { font-family: var(--font-ui); }
.t-meta { font-family: var(--font-mono); font-size: var(--t-meta); letter-spacing: 0.04em; text-transform: lowercase; color: var(--fg-muted); }
.t-micro { font-family: var(--font-mono); font-size: var(--t-micro); letter-spacing: 0.06em; text-transform: uppercase; color: var(--fg-subtle); }

h1 { font-family: var(--font-display); font-weight: 600; font-size: var(--t-h1); letter-spacing: -0.02em; line-height: 1.1; margin: 0; }
h2 { font-family: var(--font-display); font-weight: 600; font-size: var(--t-h2); letter-spacing: -0.01em; line-height: 1.2; margin: 0; }
h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--t-h3); letter-spacing: -0.005em; line-height: 1.3; margin: 0; }

/* ----- Layout primitives ----- */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.page { flex: 1; padding: var(--s-7) var(--s-6) var(--s-9); }
.page-inner { margin: 0 auto; }
.page-inner.editorial { max-width: var(--w-editorial); }
.page-inner.wide { max-width: var(--w-wide); }
.page-inner.narrow { max-width: var(--w-narrow); }

.page-header { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s-5); margin-bottom: var(--s-7); padding-bottom: var(--s-5); border-bottom: 1px solid var(--border); }
.page-header__title h1 { margin-bottom: var(--s-2); }
.page-header__sub { color: var(--fg-muted); font-size: 14px; }
.page-header__sub strong { color: var(--fg); font-weight: 600; }

/* ----- Global header ----- */
.gheader {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  display: flex; align-items: center;
  padding: 0 var(--s-6);
  background: color-mix(in oklab, var(--bg), transparent 8%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.gheader__inner { display: flex; align-items: center; gap: var(--s-7); width: 100%; max-width: var(--w-wide); margin: 0 auto; }

.wordmark {
  font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.03em;
  display: inline-flex; align-items: center; gap: 2px;
}
.wordmark__dot { color: var(--neon-500); }

.gnav { display: flex; gap: var(--s-1); }
.gnav__item {
  padding: 8px 12px;
  border-radius: var(--r-md);
  font-size: 13px; font-weight: 500;
  color: var(--fg-muted);
  border: none; background: transparent;
  display: inline-flex; align-items: center; gap: 6px;
}
.gnav__item:hover { color: var(--fg); background: var(--surface-2); }
.gnav__item.is-active { color: var(--fg); background: var(--surface-2); }

.gheader__right { margin-left: auto; display: flex; align-items: center; gap: var(--s-3); }

.medic-switch {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 5px 10px 5px 5px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--surface);
  font-size: 13px; font-weight: 500;
}
.medic-switch:hover { border-color: var(--border-strong); }
.medic-switch__label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-subtle); padding: 0 4px 0 8px; }
.medic-switch__caret { color: var(--fg-subtle); margin-right: 4px; }

.icon-btn {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-md); border: 1px solid transparent;
  background: transparent; color: var(--fg-muted);
}
.icon-btn:hover { background: var(--surface-2); color: var(--fg); }

.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--r-pill);
  flex-shrink: 0;
  background: var(--indigo-100); color: var(--indigo-700);
  font-family: var(--font-display); font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
  border: 1px solid transparent;
}
.avatar.size-sm { width: 24px; height: 24px; font-size: 10px; }
.avatar.size-md { width: 32px; height: 32px; font-size: 12px; }
.avatar.size-lg { width: 48px; height: 48px; font-size: 16px; }
[data-theme="dark"] .avatar, [data-intensity="immersive"] .avatar { background: var(--indigo-600); color: #F4F1EA; }
.avatar.is-neon { background: var(--neon-500); color: var(--indigo-700); }
.avatar.is-teal { background: var(--teal-500); color: var(--indigo-700); }

/* ----- Buttons (M3A — pill com seta direita) ----- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-3);
  padding: 10px 16px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-family: var(--font-display); font-weight: 600; font-size: 13.5px;
  letter-spacing: -0.005em;
  background: transparent; color: var(--fg);
  transition: transform 0.06s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--neon-500); color: var(--indigo-700); border-color: var(--neon-500); }
.btn--primary:hover { background: var(--neon-600); border-color: var(--neon-600); }
.btn--secondary { background: var(--surface-elevated); color: var(--fg); border-color: var(--border); }
.btn--secondary:hover { border-color: var(--border-strong); background: var(--surface-2); }
.btn--ghost { background: transparent; color: var(--fg-muted); }
.btn--ghost:hover { color: var(--fg); background: var(--surface-2); }
.btn--danger { background: var(--rose-500); color: white; border-color: var(--rose-500); }
.btn--danger:hover { filter: brightness(0.95); }
.btn--warn { background: var(--amber-500); color: white; border-color: var(--amber-500); }
.btn--warn:hover { filter: brightness(0.95); }
.btn[disabled], .btn.is-disabled { opacity: 0.5; cursor: not-allowed; }
.btn__arrow { display: inline-flex; }
.btn--sm { padding: 6px 12px; font-size: 12.5px; }
.btn--icon { padding: 8px; width: 36px; height: 36px; justify-content: center; }

/* ----- Pills ----- */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
}
.pill__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--fg-subtle); display: inline-block; }
.pill--neon { background: var(--neon-100); border-color: color-mix(in oklab, var(--neon-500), transparent 60%); color: #007748; }
.pill--neon .pill__dot { background: var(--neon-600); }
.pill--neon-solid { background: var(--neon-500); color: var(--indigo-700); border-color: var(--neon-500); }
.pill--amber { background: var(--amber-100); border-color: color-mix(in oklab, var(--amber-500), transparent 60%); color: var(--amber-600); }
.pill--amber .pill__dot { background: var(--amber-500); }
.pill--rose { background: var(--rose-100); border-color: color-mix(in oklab, var(--rose-500), transparent 60%); color: var(--rose-500); }
.pill--rose .pill__dot { background: var(--rose-500); }
.pill--teal { background: var(--teal-100); border-color: color-mix(in oklab, var(--teal-500), transparent 60%); color: #007F7C; }
.pill--teal .pill__dot { background: var(--teal-500); }
.pill--indigo { background: var(--indigo-100); border-color: color-mix(in oklab, var(--indigo-500), transparent 60%); color: var(--indigo-500); }
.pill--indigo .pill__dot { background: var(--indigo-500); }
.pill--pulse .pill__dot { animation: pulse 1.4s ease-in-out infinite; }
[data-theme="dark"] .pill, [data-intensity="immersive"] .pill {
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
  color: var(--fg);
}
[data-theme="dark"] .pill--neon, [data-intensity="immersive"] .pill--neon {
  background: rgba(0,255,148,0.12); color: var(--neon-500);
}
[data-theme="dark"] .pill--amber, [data-intensity="immersive"] .pill--amber {
  background: rgba(232,162,58,0.16); color: var(--amber-500);
}
[data-theme="dark"] .pill--rose, [data-intensity="immersive"] .pill--rose {
  background: rgba(229,72,77,0.16); color: #FF8A8E;
}
[data-theme="dark"] .pill--teal, [data-intensity="immersive"] .pill--teal {
  background: rgba(10,204,199,0.14); color: var(--teal-500);
}
[data-theme="dark"] .pill--indigo, [data-intensity="immersive"] .pill--indigo {
  background: rgba(56,48,176,0.32); color: #B7B0F5;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

.loader-dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--indigo-500);
  animation: pulse 1s ease-in-out infinite;
}

/* ----- Card ----- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: clip;
}
.card--elevated { background: var(--surface-elevated); box-shadow: var(--shadow-1); }
.card__header {
  padding: var(--s-5) var(--s-6);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-4);
}
.card__header.collapsible { cursor: pointer; user-select: none; }
.card__header.collapsible:hover { background: color-mix(in oklab, var(--surface-2), transparent 60%); }
.card__title { display: flex; align-items: center; gap: var(--s-3); font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-muted); }
.card__title strong { color: var(--fg); font-weight: 600; }
.card__body { padding: var(--s-5) var(--s-6); }
.card__body--flush { padding: 0; }
.card__footer { padding: var(--s-4) var(--s-6); border-top: 1px solid var(--border); display: flex; align-items: center; gap: var(--s-3); }
.card__caret { color: var(--fg-subtle); transition: transform 0.2s ease; }
.card__header[aria-expanded="false"] .card__caret { transform: rotate(-90deg); }

/* ----- Two-column layout ----- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--s-6);
  align-items: start;
}
.split__sidebar { position: sticky; top: calc(var(--header-h) + var(--s-5)); display: flex; flex-direction: column; gap: var(--s-4); }

/* Dual-pane mode: page is fixed-height, each split column scrolls independently */
.page--dual { padding-top: 0 !important; padding-bottom: 0 !important; height: calc(100vh - var(--header-h)); display: flex; flex-direction: column; overflow: hidden; }
.page--dual > .page-inner { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.page--dual .split { flex: 1; min-height: 0; align-items: stretch; }
.page--dual .split > * { min-height: 0; height: 100%; overflow-y: auto; padding-right: 6px; padding-bottom: var(--s-6); }
.page--dual .split__sidebar { position: static; top: auto; }
.split--workspace { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.split--review { grid-template-columns: minmax(0, 1fr) 340px; }
@media (max-width: 1100px) {
  .split, .split--workspace, .split--review { grid-template-columns: 1fr; }
  .split__sidebar { position: static; }
}

/* ----- Tabs ----- */
.tabs { display: inline-flex; gap: 2px; padding: 3px; background: var(--surface-2); border-radius: var(--r-pill); border: 1px solid var(--border); }
.tabs__item {
  padding: 6px 14px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: lowercase;
  color: var(--fg-muted); background: transparent; border: none;
}
.tabs__item:hover { color: var(--fg); }
.tabs__item.is-active { background: var(--surface); color: var(--fg); box-shadow: var(--shadow-1); }
[data-intensity="immersive"] .tabs__item.is-active, [data-theme="dark"] .tabs__item.is-active { background: var(--indigo-700); }

/* ----- Score number ----- */
.score-num {
  font-family: var(--font-mono); font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  font-size: 30px;
  line-height: 1;
}
.score-num--pass { color: var(--fg); }
.score-num--high { color: #007748; }
[data-theme="dark"] .score-num--high, [data-intensity="immersive"] .score-num--high { color: var(--neon-500); }
.score-num--mid { color: var(--amber-600); }
[data-theme="dark"] .score-num--mid, [data-intensity="immersive"] .score-num--mid { color: var(--amber-500); }
.score-num--low { color: var(--rose-500); }
.score-num--pending { color: var(--fg-subtle); }

/* ----- Status indicator (left bar on row) ----- */
.row-needs-review { box-shadow: inset 3px 0 0 var(--neon-500); background: color-mix(in oklab, var(--neon-500), transparent 96%); }

/* ----- Form bits ----- */
.input, .textarea, .select {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  color: var(--fg);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent), transparent 80%);
}
.textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
.label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-muted); margin-bottom: 6px; }

/* ----- Script view (roteiro) ----- */
.script { display: flex; flex-direction: column; gap: var(--s-6); }
.script__block { display: grid; grid-template-columns: 88px 1fr; gap: var(--s-5); align-items: start; }
.script__num {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--fg-subtle);
  padding-top: 6px;
  display: flex; flex-direction: column; gap: 3px;
}
.script__num strong { color: var(--fg-muted); font-weight: 500; }
.script__num-time {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em;
  color: var(--fg-subtle);
}
.script__num-digit {
  font-size: 28px; font-weight: 300; letter-spacing: 0;
  color: color-mix(in oklab, var(--fg-subtle), transparent 50%);
  line-height: 1; font-variant-numeric: tabular-nums;
}
.script__body { font-family: var(--font-serif); font-size: 16px; line-height: 1.65; color: var(--fg); border-left: 2px solid var(--border); padding-left: var(--s-5); position: relative; }
.script__body p { margin: 0 0 var(--s-3); }
.script__body p:last-child { margin-bottom: 0; }
.script__actions {
  display: flex; gap: 14px; margin-top: 10px;
  opacity: 0; transition: opacity 120ms ease;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
}
.script__block:hover .script__actions { opacity: 1; }
.script__action {
  background: transparent; border: 0; padding: 0; cursor: pointer;
  color: var(--fg-subtle); font: inherit;
}
.script__action:hover { color: var(--indigo-700); }
.script__block[data-block="hook"] .script__body { font-size: 18.5px; font-weight: 500; line-height: 1.5; border-left-color: var(--amber-500); }
.script__block[data-block="hook"] .script__num strong { color: var(--amber-600); }
.script__block[data-block="cta"] .script__body { font-family: var(--font-ui); font-size: 14.5px; font-weight: 500; line-height: 1.55; border-left-color: var(--neon-500); }
.script__block[data-block="cta"] .script__num strong { color: #007748; }
[data-theme="dark"] .script__block[data-block="cta"] .script__num strong, [data-intensity="immersive"] .script__block[data-block="cta"] .script__num strong { color: var(--neon-500); }

/* ----- Mini bar floating ----- */
.minibar {
  position: fixed; left: 50%; bottom: var(--s-6);
  transform: translateX(-50%) translateY(calc(100% + var(--s-6)));
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 6px;
  background: var(--surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-pop);
  z-index: 40;
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s ease;
  opacity: 0;
}
.minibar.is-visible { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ----- Critic row ----- */
.critic-row {
  display: grid; grid-template-columns: 1fr auto auto;
  align-items: center; gap: var(--s-3);
  padding: 8px 12px;
  border-radius: var(--r-md);
  font-size: 13px;
  background: transparent; border: 0; width: 100%;
  text-align: left; cursor: pointer; color: inherit; font-family: inherit;
  transition: background 120ms ease;
}
.critic-row:hover { background: color-mix(in oklab, var(--fg), transparent 96%); }
.critic-row + .critic-row { margin-top: 2px; }
.critic-row__name { display: flex; align-items: center; gap: 8px; min-width: 0; }
.critic-row__name > span:nth-child(2) { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.critic-row__alert {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 999px;
  background: var(--amber-500); color: #fff; flex-shrink: 0;
}
.critic-row__score { font-family: var(--font-mono); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.critic-row__caret { color: var(--fg-subtle); opacity: 0; transition: opacity 120ms ease; }
.critic-row:hover .critic-row__caret { opacity: 1; }
.critic-row--alert { background: color-mix(in oklab, var(--amber-500), transparent 88%); }
.critic-row--alert:hover { background: color-mix(in oklab, var(--amber-500), transparent 80%); }
.critic-row--alert .critic-row__score { color: var(--amber-600); font-weight: 600; }
.critic-row--alert .critic-row__caret { opacity: 1; color: var(--amber-600); }

/* ----- Diff view ----- */
.diff { border: 1px solid var(--border); border-radius: var(--r-md); overflow: clip; }
.diff__row { padding: 10px 14px; font-family: var(--font-serif); font-size: 14.5px; line-height: 1.55; }
.diff__row--del { background: color-mix(in oklab, var(--rose-500), transparent 92%); border-bottom: 1px dashed color-mix(in oklab, var(--rose-500), transparent 70%); text-decoration: line-through; text-decoration-color: color-mix(in oklab, var(--rose-500), transparent 50%); color: color-mix(in oklab, var(--fg), var(--rose-500) 35%); }
.diff__row--add { background: color-mix(in oklab, var(--neon-500), transparent 92%); }
.diff__rationale { padding: 10px 14px; border-top: 1px solid var(--border); background: var(--surface-2); font-size: 12.5px; color: var(--fg-muted); }
.diff__rationale strong { color: var(--fg); font-weight: 600; }

/* ----- Empty / placeholder ----- */
.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--s-9) var(--s-6);
  text-align: center;
  gap: var(--s-3);
  color: var(--fg-muted);
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
}
.empty__sparkle { color: var(--neon-500); }
.empty h2 { color: var(--fg); }

/* ----- Tooltip-ish dot indicator (4 layers) ----- */
.dots { display: inline-flex; gap: 5px; }
.dots__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--paper-300); border: 1px solid var(--border); }
.dots__dot.is-filled { background: var(--neon-500); border-color: color-mix(in oklab, var(--neon-500), black 20%); }
[data-theme="dark"] .dots__dot, [data-intensity="immersive"] .dots__dot { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.16); }

/* ----- Mode cards ----- */
.mode-card {
  padding: var(--s-5);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  cursor: pointer;
  display: flex; flex-direction: column; gap: var(--s-3);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.06s ease;
  text-align: left;
}
.mode-card:hover { border-color: var(--border-strong); }
.mode-card:active { transform: translateY(1px); }
.mode-card.is-selected { border-color: var(--indigo-700); background: var(--surface-elevated); box-shadow: var(--shadow-1); border-width: 2px; padding: calc(var(--s-5) - 1px); }
[data-theme="dark"] .mode-card.is-selected, [data-intensity="immersive"] .mode-card.is-selected { border-color: var(--neon-500); }
.mode-card__name { font-family: var(--font-display); font-weight: 600; font-size: 17px; }
.mode-card__desc { font-size: 13px; color: var(--fg-muted); line-height: 1.45; }
.mode-card__meta { display: flex; gap: var(--s-3); font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-muted); margin-top: auto; padding-top: var(--s-3); border-top: 1px dashed var(--border); }

/* ----- Table ----- */
.table { width: 100%; border-collapse: collapse; }
.table thead th {
  text-align: left;
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-subtle);
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.table tbody td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  vertical-align: middle;
}
.table tbody tr { cursor: pointer; transition: background 0.1s ease; }
.table tbody tr:hover { background: var(--surface-2); }
.table tbody tr:last-child td { border-bottom: none; }
.col-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ----- Chat ----- */
.msg { display: grid; grid-template-columns: 32px 1fr; gap: var(--s-3); padding: var(--s-3) 0; }
.msg__avatar { width: 32px; height: 32px; }
.msg__name { font-weight: 600; font-size: 13px; display: flex; align-items: center; gap: var(--s-2); margin-bottom: 4px; }
.msg__time { font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-subtle); margin-left: auto; }
.msg__body { font-size: 14px; line-height: 1.55; color: var(--fg); }
.msg__body p { margin: 0 0 8px; }

/* ----- Suggestion chip block ----- */
.suggest {
  border: 1px solid color-mix(in oklab, var(--teal-500), transparent 60%);
  background: color-mix(in oklab, var(--teal-500), transparent 92%);
  border-radius: var(--r-md);
  padding: var(--s-4);
  display: flex; flex-direction: column; gap: var(--s-3);
}
.suggest__title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal-500); }
[data-theme="dark"] .suggest__title, [data-intensity="immersive"] .suggest__title { color: var(--teal-500); }
.suggest__chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  font-size: 12px; font-weight: 500;
  background: var(--surface);
  color: var(--fg);
}
.chip.is-on { background: var(--indigo-700); color: white; border-color: var(--indigo-700); }
[data-theme="dark"] .chip.is-on, [data-intensity="immersive"] .chip.is-on { background: var(--neon-500); color: var(--indigo-700); border-color: var(--neon-500); }

/* ----- Scrollbar polish ----- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: color-mix(in oklab, var(--fg-subtle), transparent 60%); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--fg-subtle); }
::-webkit-scrollbar-track { background: transparent; }

/* ----- Tweaks panel ----- */
.tweaks {
  position: fixed; right: var(--s-5); bottom: var(--s-5);
  width: 280px;
  background: var(--surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-pop);
  z-index: 60;
  font-size: 13px;
  overflow: clip;
}
.tweaks__header { padding: 10px 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.tweaks__title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-muted); }
.tweaks__body { padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-4); }
.tweaks__group { display: flex; flex-direction: column; gap: 6px; }
.tweaks__group label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-subtle); }
.seg { display: flex; gap: 2px; padding: 2px; background: var(--surface-2); border-radius: var(--r-md); border: 1px solid var(--border); }
.seg button { flex: 1; padding: 6px 8px; border: none; background: transparent; border-radius: 5px; font-size: 12px; color: var(--fg-muted); }
.seg button.is-on { background: var(--surface); color: var(--fg); box-shadow: var(--shadow-1); }
[data-theme="dark"] .seg button.is-on, [data-intensity="immersive"] .seg button.is-on { background: var(--indigo-700); }

/* ----- Misc ----- */
.divider { height: 1px; background: var(--border); border: none; margin: var(--s-4) 0; }
.spacer { flex: 1; }
.row { display: flex; align-items: center; gap: var(--s-3); }
.col { display: flex; flex-direction: column; }
.muted { color: var(--fg-muted); }
.subtle { color: var(--fg-subtle); }
.kbd { font-family: var(--font-mono); font-size: 10.5px; padding: 2px 6px; border: 1px solid var(--border); border-radius: 4px; background: var(--surface-2); color: var(--fg-muted); }
.glow-bg {
  background:
    radial-gradient(60% 60% at 50% 0%, color-mix(in oklab, var(--neon-500), transparent 88%) 0%, transparent 70%),
    radial-gradient(80% 50% at 100% 100%, color-mix(in oklab, var(--teal-500), transparent 88%) 0%, transparent 70%),
    var(--surface);
}

.fbleed-section { background: var(--indigo-700); color: #F4F1EA; border-radius: var(--r-lg); padding: var(--s-7); position: relative; overflow: clip; }
.fbleed-section::before { content: ""; position: absolute; inset: -50% -10% auto auto; width: 60%; height: 200%; background: radial-gradient(closest-side, color-mix(in oklab, var(--neon-500), transparent 80%), transparent); pointer-events: none; }

/* Top progress bar (running run) */
.bar {
  height: 4px; width: 100%;
  background: var(--surface-2); border-radius: 999px; overflow: clip;
}
.bar__fill { height: 100%; background: linear-gradient(90deg, var(--teal-500), var(--neon-500)); animation: indeterminate 1.6s linear infinite; width: 40%; }
@keyframes indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}