/* ═══════════════════════════════════════════════════════════════
   Visual Studio · Premium Dark Design System
   Redesign: Geist + OKLCH + Linear-grade density
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* ── Spacing (4pt scale) ── */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;

  /* ── Layout ── */
  --sidebar-w: 200px;

  /* ── Radius ── */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* ── Surfaces (blue-gray tinted, hue 250) ── */
  --bg:        oklch(7% 0.006 250);
  --bg-2:      oklch(11% 0.008 250);
  --bg-3:      oklch(14.5% 0.012 250);
  --bg-4:      oklch(18.5% 0.014 250);
  --bg-raised: oklch(16.5% 0.013 250);
  --sidebar-bg: oklch(5% 0.004 250);
  --sidebar-line: oklch(14% 0.008 250);
  --input-bg: oklch(10% 0.008 250);
  --canvas-dot: color-mix(in oklch, var(--text) 14%, transparent);
  --dialog-backdrop: oklch(5% 0.005 250 / 0.75);
  --dropzone-bg: oklch(10% 0.008 250);
  --nav-hover-bg: oklch(10% 0.008 250);
  --nav-active-bg: color-mix(in oklch, var(--accent) 14%, oklch(12% 0.01 250));
  --nav-active-border: color-mix(in oklch, var(--accent) 30%, var(--line));

  /* ── Borders ── */
  --line:        oklch(20% 0.01 250);
  --line-strong: oklch(28% 0.014 250);
  --line-subtle: oklch(15% 0.008 250);

  /* ── Text ── */
  --text:      oklch(94% 0.005 250);
  --text-soft: oklch(74% 0.008 250);
  --muted:     oklch(50% 0.008 250);

  /* ── Brand accent (warm gold, brighter) ── */
  --accent:      oklch(78% 0.14 65);
  --accent-soft: color-mix(in oklch, var(--accent) 12%, var(--bg-3));
  --accent-hover: oklch(83% 0.15 65);
  --primary-fg: oklch(15% 0.02 65);

  /* ── Semantic ── */
  --ok:     oklch(72% 0.1 155);
  --warn:   oklch(76% 0.1 80);
  --danger: oklch(66% 0.14 30);

  /* ── Shadows ── */
  --shadow-sm: 0 1px 2px oklch(0% 0 0 / 0.14);
  --shadow-md: 0 4px 12px oklch(0% 0 0 / 0.16), 0 1px 3px oklch(0% 0 0 / 0.08);
  --shadow-lg: 0 8px 24px oklch(0% 0 0 / 0.22), 0 2px 6px oklch(0% 0 0 / 0.1);

  /* ── Typography ── */
  --font-body: "Geist", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-display: "Geist", "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  --font-mono: "Geist Mono", "SF Mono", "Fira Code", monospace;

  --text-xs:   0.72rem;
  --text-sm:   0.8rem;
  --text-base: 0.875rem;
  --text-lg:   1rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.6rem;
  --text-3xl:  2rem;

  /* ── Motion ── */
  --ease:          cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast:  150ms;
  --duration-base:  200ms;
  --duration-slow:  320ms;

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:        oklch(97.8% 0.004 250);
  --bg-2:      oklch(99.4% 0.002 250);
  --bg-3:      oklch(95.8% 0.005 250);
  --bg-4:      oklch(91.8% 0.007 250);
  --bg-raised: oklch(99.2% 0.003 250);
  --sidebar-bg: oklch(99.2% 0.003 250);
  --sidebar-line: oklch(90% 0.006 250);
  --input-bg: oklch(98.6% 0.003 250);
  --canvas-dot: oklch(48% 0.02 250 / 0.14);
  --dialog-backdrop: oklch(18% 0.01 250 / 0.22);
  --dropzone-bg: oklch(98.8% 0.003 250);
  --nav-hover-bg: oklch(95.5% 0.006 250);
  --nav-active-bg: color-mix(in oklch, var(--accent) 9%, var(--bg-2));
  --nav-active-border: color-mix(in oklch, var(--accent) 44%, var(--line));

  --line:        oklch(87.5% 0.006 250);
  --line-strong: oklch(79% 0.009 250);
  --line-subtle: oklch(92% 0.004 250);

  --text:      oklch(21% 0.012 250);
  --text-soft: oklch(40% 0.012 250);
  --muted:     oklch(58% 0.01 250);

  --accent:      oklch(56% 0.16 255);
  --accent-soft: color-mix(in oklch, var(--accent) 10%, var(--bg-2));
  --accent-hover: oklch(50% 0.17 255);
  --primary-fg: oklch(99% 0.003 250);

  --ok:     oklch(58% 0.13 155);
  --warn:   oklch(63% 0.13 80);
  --danger: oklch(58% 0.17 28);

  --shadow-sm: 0 1px 2px oklch(20% 0.015 250 / 0.06);
  --shadow-md: 0 6px 18px oklch(20% 0.015 250 / 0.08), 0 1px 3px oklch(20% 0.015 250 / 0.06);
  --shadow-lg: 0 18px 48px oklch(20% 0.015 250 / 0.12), 0 4px 12px oklch(20% 0.015 250 / 0.08);

  color-scheme: light;
}

/* ═══════════════ RESET ═══════════════ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
  color-scheme: dark;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body[data-view="generate"] {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: none;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid color-mix(in oklch, var(--accent) 70%, white);
  outline-offset: 2px;
}

/* ═══════════════ SHELL ═══════════════ */

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100dvh;
  padding:
    max(var(--space-md), env(safe-area-inset-top))
    max(var(--space-lg), env(safe-area-inset-right))
    max(var(--space-md), env(safe-area-inset-bottom))
    max(var(--space-md), env(safe-area-inset-left));
  gap: var(--space-sm);
}

body[data-view="generate"] .shell {
  height: 100dvh;
  min-height: 100dvh;
}

body[data-view="home"] .shell {
  display: block;
  min-height: 100dvh;
  padding: 0;
}

body[data-view="auth"] .shell {
  display: block;
  min-height: 100dvh;
  padding: 0;
}

body[data-view="home"] .sidebar {
  display: none;
}

body[data-view="auth"] .sidebar {
  display: none;
}

body[data-view="home"] .main {
  min-height: 100dvh;
}

body[data-view="auth"] .main {
  min-height: 100dvh;
}

/* ═══════════════ SIDEBAR ═══════════════ */

.sidebar {
  position: sticky;
  top: max(var(--space-md), env(safe-area-inset-top));
  align-self: start;
  display: flex;
  min-height: calc(100dvh - max(var(--space-md), env(safe-area-inset-top)) - max(var(--space-md), env(safe-area-inset-bottom)));
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-subtle);
  background: var(--sidebar-bg);
  overflow: hidden;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-md) var(--space-md);
  border-bottom: 1px solid var(--sidebar-line);
}

.logo {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: var(--radius-xs);
  background: var(--accent);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-text {
  min-width: 0;
}

.brand-sub {
  margin-top: 1px;
  color: var(--muted);
  font-size: var(--text-xs);
}

/* ── Nav ── */

.nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-sm);
}

.nav-item {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "label"
    "hint";
  gap: 1px;
  align-items: start;
  padding: var(--space-sm) var(--space-sm);
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  text-align: left;
  transition:
    background-color var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease);
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--nav-hover-bg);
  color: var(--text);
}

.nav-item.active {
  background: var(--nav-active-bg);
  border-color: var(--nav-active-border);
  color: var(--text);
}

.nav-label {
  grid-area: label;
  display: block;
  min-width: 0;
  padding-top: 1px;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.25;
}

.nav-hint {
  grid-area: hint;
  display: block;
  min-width: 0;
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.4;
  white-space: normal;
  word-break: break-word;
}

/* ── Sidebar footer ── */

.sidebar-footer {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-sm);
  border-top: 1px solid var(--sidebar-line);
}

.footer-hint {
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.5;
  padding-left: var(--space-xs);
}

/* ═══════════════ MAIN ═══════════════ */

.main {
  position: relative;
  min-height: 0;
  min-width: 0;
}

body[data-view="generate"] .main {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  height: 100%;
  height: calc(100dvh - max(var(--space-md), env(safe-area-inset-top)) - max(var(--space-md), env(safe-area-inset-bottom)));
  min-height: calc(100dvh - max(var(--space-md), env(safe-area-inset-top)) - max(var(--space-md), env(safe-area-inset-bottom)));
  overflow: hidden;
}

/* ═══════════════ VIEWS ═══════════════ */

.view {
  display: none;
  min-height: 100%;
  padding: var(--space-xl) var(--space-sm) var(--space-lg);
}

.view.active {
  display: grid;
  gap: var(--space-xl);
  align-content: start;
  animation: fade-up var(--duration-slow) var(--ease);
}

#view-home.view.active {
  min-height: 100dvh;
  padding: var(--space-md) clamp(var(--space-md), 4vw, var(--space-2xl)) var(--space-2xl);
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: clamp(var(--space-xl), 5vw, 72px);
}

#view-auth.view.active {
  min-height: 100dvh;
  padding: var(--space-md) clamp(var(--space-md), 5vw, var(--space-2xl)) var(--space-2xl);
  grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(var(--space-xl), 5vw, 72px);
}

.view-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-lg);
  align-items: end;
}

.view-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.subtitle {
  max-width: 65ch;
  margin-top: var(--space-xs);
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.head-right {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: flex-end;
  align-items: center;
}

/* ═══════════════ HOME ═══════════════ */

.home-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.home-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.home-brand > div:last-child {
  display: grid;
  gap: 1px;
}

.home-brand strong {
  color: var(--text);
  font-size: var(--text-sm);
  line-height: 1.1;
}

.home-brand span {
  color: var(--muted);
  font-size: var(--text-xs);
}

.home-top-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.home-hero {
  display: grid;
  justify-items: center;
  gap: var(--space-lg);
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.home-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.home-title-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
}

.home-title h1 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.home-hero > p {
  max-width: 58ch;
  margin: -4px 0 var(--space-xs);
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.home-prompt-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-sm);
  align-items: end;
  width: min(100%, 720px);
  padding: var(--space-sm);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  box-shadow: var(--shadow-md);
}

.home-prompt-card textarea {
  min-height: 46px;
  max-height: 92px;
  padding: 11px 10px 9px 14px;
  border: 0;
  border-radius: 24px;
  background: transparent;
  color: var(--text);
  resize: none;
  outline: none;
}

.home-prompt-card textarea::placeholder {
  color: var(--muted);
}

.home-prompt-card .primary {
  min-height: 42px;
  padding-inline: 18px;
  border-radius: 999px;
}

.home-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.home-tool {
  display: grid;
  gap: 1px;
  min-width: 150px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  box-shadow: var(--shadow-sm);
  color: var(--text);
  text-align: left;
}

.home-tool:hover {
  border-color: var(--line-strong);
  background: var(--accent-soft);
}

.home-tool strong {
  font-size: var(--text-sm);
  line-height: 1.15;
}

.home-tool span {
  color: var(--muted);
  font-size: var(--text-xs);
}

.home-recent {
  display: grid;
  gap: var(--space-md);
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.home-section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: var(--space-md);
}

.home-section-head h2,
.home-section-head p {
  margin: 0;
}

.home-section-head h2 {
  color: var(--text);
  font-size: var(--text-lg);
  font-weight: 800;
}

.home-section-head p {
  margin-top: 2px;
  color: var(--muted);
  font-size: var(--text-xs);
}

.home-recent-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}

.home-new-card {
  display: grid;
  min-height: 210px;
  place-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  color: var(--text-soft);
  box-shadow: var(--shadow-sm);
}

.home-new-card:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.home-new-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 999px;
  background: var(--bg-3);
  color: var(--text);
  font-size: var(--text-xl);
}

/* ═══════════════ AUTH ═══════════════ */

.auth-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  width: min(1120px, 100%);
  margin: 0 auto;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(340px, 1fr);
  gap: clamp(var(--space-xl), 6vw, 80px);
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.auth-copy {
  display: grid;
  align-content: center;
  gap: var(--space-md);
}

.auth-mark {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
}

.auth-copy h1 {
  max-width: 12ch;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.auth-copy p {
  max-width: 46ch;
  margin: 0;
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.auth-points {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.auth-points span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-2);
  color: var(--text-soft);
  font-size: var(--text-xs);
  font-weight: 700;
}

.auth-panel {
  padding: clamp(var(--space-lg), 4vw, var(--space-xl));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  box-shadow: var(--shadow-md);
}

.auth-form-head {
  display: grid;
  gap: var(--space-xs);
}

.auth-form-head h2,
.auth-form-head p {
  margin: 0;
}

.auth-form-head h2 {
  color: var(--text);
  font-size: var(--text-xl);
  font-weight: 800;
}

.auth-form-head p {
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.auth-panel input {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  color: var(--text);
  font-size: var(--text-sm);
}

.auth-panel input:focus {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--line-strong));
  background: var(--bg-4);
  outline: none;
}

/* ═══════════════ PROJECTS ═══════════════ */

.projects-head {
  align-items: center;
}

.projects-actions {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.projects-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--line-subtle);
  border-bottom: 1px solid var(--line-subtle);
}

.projects-summary > div {
  display: grid;
  gap: 2px;
}

.projects-kicker {
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

.projects-summary strong {
  color: var(--text);
  font-size: var(--text-lg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-md);
}

.project-card {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-2);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  text-align: left;
  transition:
    border-color var(--duration-fast) var(--ease),
    transform var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease);
}

.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

.project-thumb {
  position: relative;
  display: grid;
  aspect-ratio: 4 / 3;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  background:
    radial-gradient(var(--canvas-dot) 1px, transparent 1px),
    var(--bg-3);
  background-size: 18px 18px;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-thumb-placeholder {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: var(--text-lg);
}

.project-meta {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.project-meta strong {
  overflow: hidden;
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-meta span {
  color: var(--muted);
  font-size: var(--text-xs);
}

.projects-empty {
  display: grid;
  max-width: 420px;
  margin: var(--space-xl) auto 0;
  justify-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.projects-empty-mark {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-3);
  color: var(--muted);
  font-size: var(--text-2xl);
}

.projects-empty h3,
.projects-empty p {
  margin: 0;
}

.projects-empty p {
  color: var(--text-soft);
  font-size: var(--text-sm);
}

/* ═══════════════ PANELS & SURFACES ═══════════════ */

.panel,
.grid-wrap,
.chat-layout,
.lane,
dialog {
  background: var(--bg-2);
  border: 1px solid var(--line);
}

.panel {
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-raised);
}

.panel.slim {
  padding: var(--space-md) var(--space-xl);
}

/* ═══════════════ CONTROLS ═══════════════ */

.control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  align-items: end;
}

.field {
  display: grid;
  gap: var(--space-xs);
  min-width: 0;
}

.field.grow {
  grid-column: span 2;
}

.field.inline {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.field.check {
  align-self: center;
}

.field > label,
.field.inline > label,
dialog label {
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.input,
.dd-trigger,
dialog input,
dialog select,
.ref-role-sel,
.lane-role-sel,
.ref-label-input,
textarea {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  font-size: var(--text-sm);
  transition:
    border-color var(--duration-fast) var(--ease),
    background-color var(--duration-fast) var(--ease);
}

.input:focus,
.dd-trigger:focus-visible,
dialog input:focus,
dialog select:focus,
.ref-role-sel:focus,
.lane-role-sel:focus,
.ref-label-input:focus,
textarea:focus {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--line-strong));
  background: var(--bg-4);
  outline: none;
}

.input.small {
  width: 80px;
}

select.input,
dialog select,
.ref-role-sel,
.lane-role-sel {
  appearance: none;
  padding-right: 32px;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) calc(50% - 2px),
    calc(100% - 11px) calc(50% - 2px);
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

/* ═══════════════ DROPDOWNS ═══════════════ */

.dd {
  position: relative;
}

.dd-trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  text-align: left;
}

.dd.open .dd-trigger {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--line-strong));
}

.dd-value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dd-caret {
  color: var(--muted);
  font-size: 0.7rem;
  transition: transform var(--duration-fast) var(--ease);
}

.dd.open .dd-caret {
  transform: rotate(180deg);
}

.translate-control-grid {
  grid-template-columns:
    minmax(160px, 0.8fr)
    minmax(260px, 1.3fr)
    minmax(200px, 0.95fr)
    90px;
  gap: var(--space-md);
}

.translate-control-grid .preserve-field {
  grid-column: 1 / -1;
  padding-top: var(--space-xs);
}

.target-chipbar {
  min-height: 24px;
  margin-top: var(--space-sm);
}

.target-chipbar:empty {
  display: none;
}

.dd-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 20;
  display: none;
  width: min(300px, 100%);
  max-height: 280px;
  overflow: auto;
  padding: var(--space-xs);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--bg-raised);
  box-shadow: var(--shadow-lg);
}

.dd-multi .dd-menu {
  width: min(400px, 100%);
}

.dd.open .dd-menu {
  display: grid;
  gap: 2px;
}

.dd-item {
  display: grid;
  width: 100%;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  color: var(--text-soft);
  text-align: left;
  font-size: var(--text-sm);
}

.dd-item:hover {
  background: var(--bg-4);
  color: var(--text);
}

.dd-item.selected {
  background: var(--accent-soft);
  color: var(--text);
}

.dd-check {
  display: grid;
  width: 16px;
  height: 16px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xs);
  color: var(--bg);
  font-size: 0.6rem;
}

.dd-item.selected .dd-check {
  background: var(--accent);
  border-color: var(--accent);
}

.dd-item-label {
  display: block;
  min-width: 0;
}

.dd-item-sub {
  margin-top: 1px;
  color: var(--muted);
  font-size: var(--text-xs);
}

/* ═══════════════ CHIPS & PINS ═══════════════ */

.chips,
.ref-pins,
.msg-pins {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.chip,
.ref-pin-tag,
.msg-pin {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 28px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: color-mix(in oklch, var(--accent) 80%, white);
  font-size: var(--text-xs);
  font-weight: 500;
}

.chip-rm,
.ref-pin-rm {
  padding: 0;
  color: inherit;
  opacity: 0.5;
  font-size: 0.9rem;
}

.chip-rm:hover,
.ref-pin-rm:hover {
  opacity: 1;
}

/* ═══════════════ SWITCH ═══════════════ */

.switch {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.switch input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
}

/* ═══════════════ BUTTONS ═══════════════ */

button.primary,
button.ghost,
.ref-use,
.ref-rm,
.dz-add,
.retry-btn,
.lightbox-close,
.lightbox-download {
  min-height: 40px;
  border-radius: var(--radius-sm);
  padding: 0 14px;
  font-weight: 600;
  font-size: var(--text-sm);
  transition:
    background-color var(--duration-fast) var(--ease),
    border-color var(--duration-fast) var(--ease),
    color var(--duration-fast) var(--ease),
    opacity var(--duration-fast) var(--ease);
}

button.primary {
  background: var(--accent);
  color: var(--primary-fg);
  font-weight: 700;
}

button.primary:hover {
  background: var(--accent-hover);
}

button.primary:disabled {
  background: color-mix(in oklch, var(--accent) 20%, var(--bg-4));
  color: color-mix(in oklch, var(--text-soft) 60%, var(--bg));
}

button.ghost,
.ref-rm,
.dz-add,
.retry-btn,
.lightbox-close,
.lightbox-download {
  border: 1px solid var(--line);
  background: var(--bg-3);
  color: var(--text-soft);
}

button.ghost:hover,
.ref-rm:hover,
.dz-add:hover,
.retry-btn:hover,
.lightbox-close:hover,
.lightbox-download:hover {
  border-color: var(--line-strong);
  background: var(--bg-4);
  color: var(--text);
}

button.ghost.full {
  width: 100%;
  justify-content: center;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.settings-mark {
  display: inline-flex;
  min-width: 28px;
  justify-content: center;
  color: var(--muted);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

button.link {
  padding: 0;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

button.send {
  align-self: end;
  height: 48px;
  min-width: 100px;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

button.ghost:disabled,
.ref-rm:disabled,
.dz-add:disabled,
.retry-btn:disabled,
.lightbox-close:disabled,
.lightbox-download:disabled {
  border-color: var(--line-subtle);
  color: var(--muted);
}

/* ═══════════════ DROPZONE ═══════════════ */

.dropzone,
.refs-dropzone {
  display: grid;
  place-items: center;
  gap: var(--space-xs);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--dropzone-bg);
  transition:
    border-color var(--duration-fast) var(--ease),
    background-color var(--duration-fast) var(--ease);
}

.dropzone {
  min-height: 160px;
  padding: var(--space-2xl);
  margin-top: var(--space-lg);
  text-align: center;
}

.dropzone:hover,
.refs-dropzone:hover,
.dropzone.drag,
.refs-dropzone.drag {
  border-color: color-mix(in oklch, var(--accent) 40%, var(--line-strong));
  background: color-mix(in oklch, var(--accent-soft) 50%, var(--bg-2));
}

.dropzone.disabled {
  pointer-events: none;
}

.dz-inner {
  display: grid;
  gap: var(--space-xs);
}

.dz-icon {
  display: grid;
  width: 36px;
  height: 36px;
  margin: 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
}

.dz-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--text-soft);
  letter-spacing: -0.01em;
}

.dz-hint {
  color: var(--muted);
  font-size: var(--text-xs);
}

/* ═══════════════ ACTIONS BAR ═══════════════ */

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.progress {
  margin-left: auto;
  color: var(--muted);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ═══════════════ GRID / TABLE ═══════════════ */

.grid-wrap {
  overflow: auto;
  border-radius: var(--radius-lg);
}

.grid {
  width: 100%;
  min-width: 720px;
  border-collapse: separate;
  border-spacing: 0;
}

.grid th,
.grid td {
  padding: var(--space-md) var(--space-lg);
  vertical-align: top;
  border-bottom: 1px solid var(--line-subtle);
}

.grid th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-3);
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.grid th:first-child,
.grid td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--bg-2);
}

.grid th:first-child {
  z-index: 3;
}

.thumb,
.matrix-thumb,
.cell img {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
}

.thumb {
  width: 120px;
  aspect-ratio: 1;
  object-fit: cover;
}

.matrix-thumb {
  width: 80px;
  aspect-ratio: 1;
  object-fit: cover;
}

.matrix-head {
  min-width: 120px;
}

.matrix-label,
.grid-meta,
.lane-name {
  max-width: 16ch;
  margin-top: var(--space-xs);
  overflow: hidden;
  color: var(--text-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--text-xs);
}

.matrix-meta {
  max-width: 18ch;
  margin-top: var(--space-xs);
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.4;
  white-space: normal;
}

.cell {
  min-width: 190px;
}

.cell .img-wrap {
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.img-button,
.msg-image-button {
  width: 100%;
  padding: 0;
  border-radius: inherit;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-3);
}

.img-button:hover,
.msg-image-button:hover {
  border-color: color-mix(in oklch, var(--accent) 30%, var(--line-strong));
}

.cell img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
}

.cell-actions,
.msg-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
  color: var(--text-soft);
  font-size: var(--text-xs);
}

.status.ok {
  color: var(--ok);
}

.status.run {
  color: var(--warn);
}

.status.err {
  color: var(--danger);
  white-space: pre-wrap;
  word-break: break-word;
}

.download,
.msg-dl {
  display: inline-flex;
  color: var(--accent);
  font-size: var(--text-xs);
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

.retry-btn {
  min-height: 32px;
  padding: 0 10px;
  font-size: var(--text-xs);
}

.err-tip {
  margin-top: var(--space-xs);
  color: var(--danger);
  font-size: var(--text-xs);
  word-break: break-word;
}

.row-rm {
  color: var(--muted);
  font-size: 0.9rem;
}

.row-rm:hover {
  color: var(--danger);
}

.spinner {
  width: 11px;
  height: 11px;
  border: 1.5px solid currentColor;
  border-right-color: transparent;
  border-radius: 999px;
  animation: spin 900ms linear infinite;
}

.empty {
  padding: var(--space-3xl) var(--space-2xl);
  color: var(--muted);
  text-align: center;
  font-size: var(--text-sm);
}

.hidden {
  display: none !important;
}

.empty.hidden,
.chat-empty.hidden {
  display: none !important;
}

/* ═══════════════ CANVAS (Generate View) ═══════════════ */

#view-generate.view.active {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
  min-height: 0;
  align-content: stretch;
  gap: 0;
  padding: 0;
  overflow: hidden;
  position: relative;
}

/* ── Canvas Header ── */

.canvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--line-subtle);
  background: var(--bg-2);
  z-index: 30;
}

.canvas-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.canvas-project-title {
  width: min(320px, 42vw);
  min-height: 36px;
  padding: 0 2px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.canvas-project-title:hover,
.canvas-project-title:focus {
  border-color: var(--line);
  background: var(--bg-3);
  outline: none;
}

.canvas-project-status {
  color: var(--muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.canvas-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.canvas-header-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  color: var(--text-soft);
  font-size: var(--text-xs);
  font-weight: 600;
  transition: background-color var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease);
}

.canvas-header-btn:hover {
  background: var(--bg-4);
  border-color: var(--line-strong);
  color: var(--text);
}

.canvas-header-btn.active {
  background: var(--accent-soft);
  border-color: color-mix(in oklch, var(--accent) 30%, var(--line));
  color: var(--text);
}

.canvas-btn-icon {
  font-size: var(--text-base);
}

/* ── Canvas Container ── */

.canvas-container {
  position: relative;
  flex: 1;
  overflow: hidden;
  background-color: var(--bg);
  background-image: radial-gradient(var(--canvas-dot) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: 0 0;
  cursor: default;
  user-select: none;
  -webkit-user-select: none;
}

.canvas-container.panning {
  cursor: grab;
}

.canvas-container.panning:active {
  cursor: grabbing;
}

.canvas-container.tool-hand {
  cursor: grab;
}

.canvas-container.tool-draw,
.canvas-container.tool-shape {
  cursor: crosshair;
}

.canvas-viewport {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.canvas-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  pointer-events: none;
  z-index: 1;
}

.canvas-empty-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin: 0 auto var(--space-md);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-3);
  color: var(--accent);
  font-size: 1.3rem;
}

.canvas-empty-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text);
}

.canvas-empty-desc {
  max-width: 42ch;
  margin-top: var(--space-sm);
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.canvas-guide {
  position: absolute;
  left: 72px;
  top: 96px;
  z-index: 34;
  width: min(380px, calc(100% - 104px));
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: 1px solid color-mix(in oklch, var(--accent) 26%, var(--line));
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--bg-2) 94%, transparent);
  box-shadow: var(--shadow-lg);
}

.canvas-guide-kicker {
  color: var(--accent);
  font-size: var(--text-xs);
  font-weight: 700;
}

.canvas-guide-title {
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.25;
}

.canvas-guide-steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.canvas-guide-steps span {
  min-height: 26px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-soft);
  font-size: var(--text-xs);
}

.canvas-guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.canvas-guide-btn,
.canvas-guide-close {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  color: var(--text-soft);
  font-size: var(--text-xs);
  font-weight: 700;
}

.canvas-guide-btn.primary {
  border-color: transparent;
  background: var(--accent);
  color: var(--primary-fg);
}

.canvas-guide-close {
  margin-left: auto;
}

.canvas-connectors {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  overflow: visible;
}

.canvas-selection-box {
  position: absolute;
  z-index: 35;
  pointer-events: none;
  border: 1px solid color-mix(in oklch, var(--accent) 78%, transparent);
  background: color-mix(in oklch, var(--accent) 14%, transparent);
}

/* ── Canvas Elements ── */

.canvas-el {
  position: absolute;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: move;
  transition: border-color 100ms ease;
}

.canvas-el:hover {
  border-color: color-mix(in oklch, var(--accent) 30%, transparent);
}

.canvas-el.selected {
  border-color: var(--accent);
  z-index: 10;
}

.canvas-el.linked {
  border-color: color-mix(in oklch, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 12%, transparent);
}

.canvas-el-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-sm) - 2px);
  pointer-events: none;
}

.canvas-el-text {
  padding: var(--space-sm) var(--space-md);
  min-width: 80px;
  min-height: 32px;
  color: var(--text);
  font-size: var(--text-base);
  outline: none;
  background: color-mix(in oklch, var(--bg-3) 80%, transparent);
  border-radius: var(--radius-sm);
}

.canvas-el-shape {
  display: grid;
  place-items: center;
}

.canvas-shape-svg,
.canvas-path-svg {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  overflow: visible;
}

.canvas-shape-mark {
  fill: color-mix(in oklch, var(--accent) 12%, var(--bg-2));
  stroke: color-mix(in oklch, var(--accent) 82%, var(--text));
}

.canvas-path-mark {
  stroke: color-mix(in oklch, var(--accent) 88%, var(--text));
}

.canvas-el-generator {
  display: grid;
  place-items: center;
  gap: var(--space-sm);
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: color-mix(in oklch, var(--bg-3) 70%, transparent);
  padding: var(--space-lg);
  text-align: center;
  min-width: 200px;
  min-height: 200px;
}

.canvas-el-generator.loading {
  border-color: var(--accent);
  background: color-mix(in oklch, var(--accent) 9%, var(--bg-3));
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--accent) 18%, transparent);
}

.canvas-el-generator.error {
  border-color: color-mix(in oklch, var(--danger) 65%, var(--line-strong));
  background: color-mix(in oklch, var(--danger) 7%, var(--bg-3));
}

.canvas-el-generator.selected {
  border-color: var(--accent);
  border-style: dashed;
}

.canvas-gen-icon {
  font-size: 1.5rem;
  color: var(--accent);
}

.canvas-gen-label {
  color: var(--text-soft);
  font-size: var(--text-xs);
}

.canvas-gen-loading {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-soft);
  font-size: var(--text-xs);
}

.canvas-gen-spinner {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

/* ── Resize Handles ── */

.canvas-el .resize-handle {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--bg-2);
  border: 1.5px solid var(--accent);
  border-radius: 999px;
  display: none;
  z-index: 11;
}

.canvas-el.selected .resize-handle {
  display: block;
}

.resize-handle.se { bottom: -5px; right: -5px; cursor: nwse-resize; }
.resize-handle.sw { bottom: -5px; left: -5px; cursor: nesw-resize; }
.resize-handle.ne { top: -5px; right: -5px; cursor: nesw-resize; }
.resize-handle.nw { top: -5px; left: -5px; cursor: nwse-resize; }
.resize-handle.n { top: -5px; left: 50%; transform: translateX(-50%); cursor: ns-resize; }
.resize-handle.s { bottom: -5px; left: 50%; transform: translateX(-50%); cursor: ns-resize; }
.resize-handle.e { top: 50%; right: -5px; transform: translateY(-50%); cursor: ew-resize; }
.resize-handle.w { top: 50%; left: -5px; transform: translateY(-50%); cursor: ew-resize; }

.canvas-connector {
  opacity: 0.78;
}

.canvas-connector.linked {
  opacity: 1;
  stroke-width: 3;
  filter: drop-shadow(0 0 6px color-mix(in oklch, var(--accent) 42%, transparent));
}

/* ── Generate from image button ── */

.canvas-el-actions {
  position: absolute;
  top: -42px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  gap: var(--space-xs);
  align-items: center;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-2);
  box-shadow: var(--shadow-md);
  z-index: 12;
}

.canvas-el.selected .canvas-el-actions {
  display: flex;
}

.canvas-el-action {
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-2);
  color: var(--text-soft);
  font-size: var(--text-xs);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease);
}

.canvas-el-action:hover {
  background: var(--bg-4);
  color: var(--text);
}

.canvas-el-action.danger:hover {
  border-color: color-mix(in oklch, var(--danger) 40%, var(--line));
  color: var(--danger);
}

.canvas-el-size {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 8px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  white-space: nowrap;
}

/* ── Gen Panel (floating) ── */

.gen-panel {
  position: absolute;
  z-index: 40;
  width: 380px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.gen-panel-head {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--line-subtle);
}

.gen-panel-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
}

.gen-panel-prompt {
  display: block;
  width: 100%;
  min-height: 80px;
  max-height: 140px;
  resize: none;
  border: none;
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  color: var(--text);
  font-size: var(--text-sm);
  outline: none;
}

.gen-panel-ref-area {
  padding: 0 var(--space-lg) var(--space-sm);
  display: grid;
  gap: var(--space-xs);
}

.gen-panel-ref-label {
  font-size: var(--text-xs);
  color: var(--muted);
}

.gen-panel-ref-list {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.gen-panel-ref-list:empty {
  display: none;
}

.gen-panel-ref-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}

.gen-panel-ref-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gen-panel-ref-thumb .gen-panel-ref-rm {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in oklch, var(--text) 86%, transparent);
  color: var(--bg-2);
  font-size: 0.6rem;
  border: none;
  cursor: pointer;
}

.canvas-el-generator .gen-hint {
  color: var(--muted);
  font-size: var(--text-xs);
}

.gen-panel-ref-add {
  min-height: 32px;
  padding: 0 10px;
  font-size: var(--text-xs);
  border: 1px dashed var(--line);
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
}

.gen-panel-ref-add:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.gen-panel-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--line-subtle);
  background: color-mix(in oklch, var(--bg) 50%, var(--bg-2));
}

.gen-panel-select {
  min-height: 32px;
  padding: 4px 8px;
  font-size: var(--text-xs);
  flex: 0 0 auto;
}

#g-model {
  flex: 1 1 180px;
  min-width: 180px;
}

#g-gen-ratio,
#g-gen-resolution {
  width: 74px;
}

.gen-panel-agent {
  min-height: 32px;
  font-size: var(--text-xs);
}

.gen-panel-actions {
  display: flex;
  justify-content: flex-end;
  padding: var(--space-sm) var(--space-lg) var(--space-md);
}

.gen-panel-run {
  min-height: 36px;
  padding: 0 20px;
  font-size: var(--text-sm);
}

.gen-panel-run.running {
  cursor: progress;
}

.gen-panel-progress {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg) var(--space-md);
  color: var(--text-soft);
  font-size: var(--text-xs);
}

.gen-panel-progress.err {
  color: var(--danger);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── AI Sidebar ── */

.ai-sidebar {
  position: absolute;
  right: var(--space-md);
  top: 60px;
  bottom: 60px;
  width: 360px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 35;
  overflow: hidden;
}

.ai-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--line-subtle);
}

.ai-sidebar-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.ai-sidebar-close {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-xs);
  color: var(--muted);
  font-size: 1.2rem;
  border: none;
  background: none;
  cursor: pointer;
}

.ai-sidebar-close:hover {
  background: var(--bg-4);
  color: var(--text);
}

.ai-sidebar-messages {
  overflow: auto;
  padding: var(--space-lg);
  display: grid;
  align-content: start;
  gap: var(--space-md);
}

.ai-sidebar-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg) var(--space-md);
  align-items: end;
}

.ai-sidebar-input textarea {
  min-height: 40px;
  max-height: 100px;
  resize: none;
}

.ai-sidebar-send {
  min-height: 40px;
  padding: 0 14px;
  font-size: var(--text-sm);
}

.ai-sidebar-bottom {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-subtle);
}

.ai-sidebar-refs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: var(--space-sm) var(--space-lg) 0;
}

.ai-sidebar-refs:empty { display: none; }

.ai-sidebar-ref-thumb {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1px solid var(--line);
}

.ai-sidebar-ref-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ai-sidebar-ref-rm {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 10px;
  cursor: pointer;
  line-height: 1;
}

.ai-sidebar-ref-rm:hover {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.ai-sidebar-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  flex-wrap: wrap;
}

.ai-sidebar-select {
  flex: 1;
  min-width: 0;
  height: 32px;
  font-size: var(--text-xs);
  padding: 0 6px;
}

#g-ai-model {
  flex: 1 1 100%;
}

#g-ai-ratio,
#g-ai-resolution {
  flex: 1 1 calc(50% - var(--space-sm));
}

.ai-sidebar-upload-btn {
  height: 32px;
  padding: 0 10px;
  font-size: var(--text-xs);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-3);
  color: var(--text-soft);
  cursor: pointer;
  white-space: nowrap;
}

.ai-sidebar-upload-btn:hover {
  background: var(--bg-4);
  color: var(--text);
}

:root[data-theme="light"] .canvas-header {
  background: color-mix(in oklch, var(--bg-2) 88%, transparent);
  border-bottom-color: var(--line-subtle);
}

:root[data-theme="light"] .canvas-container {
  background-color: var(--bg);
}

:root[data-theme="light"] .gen-panel {
  width: 450px;
  border-color: var(--line-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-2);
}

:root[data-theme="light"] .gen-panel-head {
  padding: var(--space-md) var(--space-lg) 0;
  border-bottom: none;
}

:root[data-theme="light"] .gen-panel-title {
  color: var(--muted);
  font-size: var(--text-xs);
  letter-spacing: 0;
}

:root[data-theme="light"] .gen-panel-prompt {
  min-height: 104px;
  color: var(--text);
  font-size: var(--text-lg);
}

:root[data-theme="light"] .gen-panel-controls {
  border-top-color: var(--line-subtle);
  background: color-mix(in oklch, var(--bg-3) 45%, var(--bg-2));
}

:root[data-theme="light"] .gen-panel-run,
:root[data-theme="light"] .ai-sidebar-send {
  background: var(--text);
  color: var(--bg-2);
}

:root[data-theme="light"] .gen-panel-run:hover,
:root[data-theme="light"] .ai-sidebar-send:hover {
  background: color-mix(in oklch, var(--text) 88%, var(--accent));
}

:root[data-theme="light"] .gen-panel-run:disabled,
:root[data-theme="light"] .ai-sidebar-send:disabled {
  background: var(--bg-4);
  color: var(--muted);
}

:root[data-theme="light"] .ai-sidebar {
  width: 400px;
  border-color: var(--line-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-2);
}

:root[data-theme="light"] .ai-sidebar-head {
  border-bottom-color: var(--line-subtle);
}

:root[data-theme="light"] .canvas-toolbar,
:root[data-theme="light"] .zoom-controls,
:root[data-theme="light"] .canvas-el-actions,
:root[data-theme="light"] .canvas-context-menu {
  border-color: var(--line-subtle);
  background: var(--bg-2);
}

:root[data-theme="light"] .canvas-el-generator {
  border-color: color-mix(in oklch, var(--accent) 52%, var(--line));
  background: color-mix(in oklch, var(--accent) 8%, var(--bg-2));
  color: var(--accent);
}

:root[data-theme="light"] .msg.user .msg-bubble {
  background: color-mix(in oklch, var(--accent) 9%, var(--bg-2));
}

:root[data-theme="light"] .msg.assistant .msg-bubble {
  background: var(--bg-2);
}

/* ── AI Messages (reused by sidebar) ── */

.msg { display: grid; gap: var(--space-xs); }
.msg.user { justify-items: end; }
.msg.assistant { justify-items: start; }
.msg-bubble { max-width: 100%; padding: 8px 12px; border-radius: var(--radius-sm); white-space: pre-wrap; word-break: break-word; font-size: var(--text-sm); line-height: 1.5; }
.msg.user .msg-bubble { background: color-mix(in oklch, var(--accent) 8%, var(--bg-3)); border-top-right-radius: 3px; }
.msg.assistant .msg-bubble { background: var(--bg-3); border: 1px solid var(--line); border-top-left-radius: 3px; }
.msg-steps {
  display: grid;
  gap: 4px;
  margin-top: var(--space-xs);
  padding-left: 16px;
  color: var(--text-soft);
  font-size: var(--text-xs);
}
.msg-images { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.msg-image-card { width: 100%; padding: var(--space-xs); border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-3); }
.msg-img { width: 100%; height: auto; max-height: 260px; object-fit: contain; background: var(--bg); border-radius: var(--radius-xs); }
.msg-image-meta { color: var(--text-soft); font-size: var(--text-xs); margin-top: var(--space-xs); }

.ai-welcome {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-md);
}

.ai-welcome-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg-2);
  font-weight: 800;
}

.ai-welcome h4,
.ai-welcome p {
  margin: 0;
}

.ai-welcome h4 {
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: 1.15;
}

.ai-welcome p {
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.ai-suggestions {
  display: grid;
  gap: var(--space-sm);
}

.ai-suggestion {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-3);
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.ai-suggestion:hover {
  border-color: var(--line-strong);
  background: var(--accent-soft);
}

.ai-suggestion strong {
  font-size: var(--text-sm);
}

.ai-suggestion span {
  color: var(--text-soft);
  font-size: var(--text-xs);
  line-height: 1.35;
}

/* ── Toolbar ── */

.canvas-toolbar {
  position: absolute;
  top: 50%;
  left: var(--space-lg);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--space-xs);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 30;
}

.toolbar-btn {
  display: grid;
  grid-template-rows: 18px auto;
  gap: 3px;
  place-items: center;
  width: 54px;
  min-height: 48px;
  padding: 6px 4px;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  font-size: var(--text-base);
  border: none;
  background: none;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease);
}

.toolbar-btn:hover {
  background: var(--bg-4);
  color: var(--text);
}

.toolbar-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.toolbar-icon {
  font-size: 1rem;
  line-height: 1;
}

.toolbar-label {
  overflow: hidden;
  max-width: 100%;
  color: inherit;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar-sep {
  width: 36px;
  height: 1px;
  background: var(--line);
  margin: 2px 0;
}

/* ── Zoom Controls ── */

.zoom-controls {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  z-index: 30;
}

.zoom-btn {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: none;
  background: none;
  color: var(--text-soft);
  cursor: pointer;
  font-size: var(--text-base);
}

.zoom-btn:hover {
  background: var(--bg-4);
  color: var(--text);
}

.zoom-value {
  padding: 0 var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--muted);
  min-width: 48px;
  text-align: center;
}

/* ── Context Menu ── */

.canvas-context-menu {
  position: absolute;
  z-index: 50;
  min-width: 160px;
  padding: var(--space-xs);
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.context-menu-item {
  display: block;
  width: 100%;
  padding: 6px 12px;
  border: none;
  background: none;
  color: var(--text-soft);
  font-size: var(--text-xs);
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-xs);
}

.context-menu-item:hover {
  background: var(--bg-4);
  color: var(--text);
}

.context-menu-danger:hover {
  background: color-mix(in oklch, var(--danger) 15%, var(--bg-4));
  color: var(--danger);
}

textarea::placeholder,
dialog input::placeholder,
.ref-label-input::placeholder {
  color: var(--muted);
}

/* ═══════════════ REFERENCES ═══════════════ */

.refs-head h3,
.lane-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.refs-hint {
  margin-top: var(--space-xs);
  color: var(--muted);
  font-size: var(--text-xs);
}

.refs-dropzone {
  min-height: 88px;
  margin: var(--space-md);
  padding: var(--space-md);
  text-align: center;
}

.ref-list {
  display: grid;
  gap: var(--space-xs);
  align-content: start;
}

.ref-card {
  display: grid;
  position: relative;
  grid-template-columns: 40px minmax(100px, 1fr) 128px;
  gap: var(--space-sm);
  align-items: center;
  min-height: 56px;
  padding: var(--space-sm) 36px var(--space-sm) var(--space-sm);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-3);
}

.ref-card img {
  width: 40px;
  height: 40px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.ref-card-meta {
  display: grid;
  gap: 0;
  min-width: 0;
  padding: 0;
}

.ref-card-name {
  color: var(--text-soft);
  font-size: var(--text-xs);
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ref-card-role {
  color: var(--text-soft);
  font-size: var(--text-xs);
  line-height: 1.35;
}

.ref-card-controls {
  min-width: 0;
}

.ref-role-sel {
  width: 100%;
  min-height: 32px;
  padding: 6px 28px 6px 8px;
  font-size: var(--text-xs);
}

.ref-rm {
  position: absolute;
  top: 6px;
  right: 6px;
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  min-height: 22px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1;
}

/* ═══════════════ OUTFIT LANES ═══════════════ */

.outfit-lanes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.lane {
  display: grid;
  grid-template-rows: auto auto 1fr;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.lane-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl) var(--space-md);
  border-bottom: 1px solid var(--line-subtle);
}

.lane-note {
  padding: 0 var(--space-xl);
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.lane-list {
  display: grid;
  min-height: 180px;
  grid-template-columns: repeat(auto-fill, minmax(136px, 1fr));
  align-content: start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg) var(--space-xl);
}

.lane-thumb {
  position: relative;
  display: grid;
  gap: var(--space-xs);
  min-width: 0;
  padding: var(--space-xs);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-3);
}

.lane-thumb img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-subtle);
  background: var(--bg);
}

.lane-thumb-garment {
  background: var(--bg-3);
}

.lane-role-sel {
  min-height: 34px;
  padding: 6px 8px;
  font-size: var(--text-xs);
}

.lane-name {
  max-width: none;
  margin-top: 0;
  overflow: hidden;
  line-height: 1.4;
  white-space: normal;
  word-break: break-word;
}

.lane-thumb-rm {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 999px;
  background: oklch(8% 0 0 / 0.85);
  color: var(--text);
  font-size: 0.8rem;
}

.lane-thumb-rm:hover {
  background: color-mix(in oklch, var(--danger) 80%, oklch(10% 0 0));
}

/* ═══════════════ STYLE TRANSFER VIEW ═══════════════ */

.style-grid {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.style-source-panel,
.style-result-panel {
  display: grid;
  gap: var(--space-md);
  align-content: start;
}

.style-section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.style-dropzone {
  min-height: 200px;
  margin: 0;
  cursor: pointer;
}

.style-source-preview {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

.style-source-preview img {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  background: var(--bg);
  border-radius: var(--radius-md);
}

.style-source-clear {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 999px;
  background: oklch(8% 0 0 / 0.85);
  color: var(--text);
  font-size: 1rem;
  border: none;
  cursor: pointer;
}

.style-source-clear:hover {
  background: color-mix(in oklch, var(--danger) 80%, oklch(10% 0 0));
}

.style-progress {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--text-soft);
  font-size: var(--text-sm);
}

.style-analysis {
  display: grid;
  gap: var(--space-md);
}

.style-summary {
  color: var(--text);
  font-size: var(--text-base);
  line-height: 1.6;
}

.style-palette {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.style-swatch {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  font-size: var(--text-xs);
  color: var(--text-soft);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease);
}

.style-swatch:hover {
  border-color: var(--line-strong);
}

.style-swatch-color {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid oklch(30% 0 0 / 0.3);
  flex-shrink: 0;
}

.style-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.style-tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: color-mix(in oklch, var(--accent) 80%, white);
  font-size: var(--text-xs);
  font-weight: 500;
}

.style-json {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.style-json summary {
  padding: var(--space-sm) var(--space-md);
  color: var(--text-soft);
  font-size: var(--text-xs);
  cursor: pointer;
}

.style-json-actions {
  display: flex;
  justify-content: flex-end;
  padding: var(--space-xs) var(--space-md) 0;
}

.style-json-content {
  margin: 0;
  padding: var(--space-sm) var(--space-md) var(--space-md);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 300px;
  overflow: auto;
  background: var(--bg);
  border-top: 1px solid var(--line-subtle);
}

.style-generate-section {
  display: grid;
  gap: var(--space-sm);
}

.style-generate-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-sm);
  align-items: end;
}

.style-result-wrap {
  display: grid;
  gap: var(--space-md);
}

.style-result-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.style-result-img {
  border-radius: var(--radius-md);
}

.style-result-img img {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: var(--bg);
}

.style-result-actions {
  display: flex;
  gap: var(--space-sm);
}

.style-ref-area {
  display: grid;
  gap: var(--space-sm);
}

.style-ref-head {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.style-ref-label {
  font-size: var(--text-xs);
  color: var(--muted);
}

.style-ref-list {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.style-ref-list:empty {
  display: none;
}

.style-ref-thumb {
  position: relative;
  width: 64px;
}

.style-ref-thumb img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg);
}

.style-ref-thumb-rm {
  position: absolute;
  top: -4px;
  right: -4px;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 999px;
  background: oklch(8% 0 0 / 0.85);
  color: var(--text);
  font-size: 0.7rem;
  border: none;
  cursor: pointer;
}

.style-ref-thumb-rm:hover {
  background: color-mix(in oklch, var(--danger) 80%, oklch(10% 0 0));
}

.style-history-section {
  display: grid;
  gap: var(--space-md);
}

.style-history-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.style-history-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-sm);
}

.style-history-card {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-xs);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-3);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease);
}

.style-history-card:hover {
  border-color: var(--line-strong);
}

.style-history-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--bg);
}

.style-history-meta {
  padding: 2px var(--space-xs);
}

.style-history-subject {
  font-size: var(--text-xs);
  color: var(--text-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.style-history-time {
  font-size: 0.65rem;
  color: var(--muted);
}

.style-error {
  padding: var(--space-sm) var(--space-md);
  color: var(--danger);
  font-size: var(--text-sm);
  word-break: break-word;
}

@media (max-width: 1024px) {
  .style-grid {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════ DIALOGS ═══════════════ */

dialog {
  width: min(640px, calc(100vw - 32px));
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  color: var(--text);
  box-shadow: var(--shadow-lg);
}

dialog::backdrop {
  background: var(--dialog-backdrop);
  backdrop-filter: blur(8px);
}

.image-lightbox {
  width: min(1080px, calc(100vw - 24px));
  max-width: 1080px;
  padding: var(--space-md);
  background: var(--bg-2);
}

.image-lightbox::backdrop {
  background: oklch(3% 0.005 250 / 0.88);
  backdrop-filter: blur(10px);
}

.lightbox-close-wrap {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-sm);
}

.lightbox-close {
  min-width: 40px;
  padding: 0;
  font-size: 1.3rem;
  line-height: 1;
}

.lightbox-body {
  display: grid;
  gap: var(--space-md);
}

.lightbox-image {
  width: 100%;
  max-height: calc(100dvh - 160px);
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--line);
}

.lightbox-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.lightbox-caption {
  color: var(--text-soft);
  font-size: var(--text-sm);
  line-height: 1.5;
  word-break: break-word;
}

.lightbox-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ── Settings dialog ── */

dialog h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

#settings-form {
  display: grid;
  gap: var(--space-lg);
}

.dialog-copy {
  display: grid;
  gap: var(--space-xs);
}

dialog .hint {
  margin: 0;
  color: var(--text-soft);
  font-size: var(--text-sm);
}

#settings-dialog {
  width: min(720px, calc(100vw - 32px));
}

.settings-section {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-md);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--bg-3) 46%, transparent);
}

.settings-section-head {
  display: grid;
  gap: var(--space-xs);
}

.settings-section-head h4 {
  margin: 0;
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0;
}

.settings-section-head p {
  max-width: 70ch;
  margin: 0;
  color: var(--text-soft);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.theme-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.theme-option {
  position: relative;
}

.theme-option input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.theme-card {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: var(--space-md);
  align-items: center;
  min-height: 82px;
  padding: var(--space-sm);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-2);
  transition:
    border-color var(--duration-fast) var(--ease),
    background-color var(--duration-fast) var(--ease),
    box-shadow var(--duration-fast) var(--ease);
}

.theme-option:hover .theme-card,
.theme-option:has(input:checked) .theme-card {
  border-color: color-mix(in oklch, var(--accent) 55%, var(--line));
  background: var(--accent-soft);
}

.theme-option:has(input:focus-visible) .theme-card {
  outline: 2px solid color-mix(in oklch, var(--accent) 70%, white);
  outline-offset: 2px;
}

.theme-preview {
  display: grid;
  grid-template-columns: 22px 1fr;
  grid-template-rows: repeat(3, 1fr);
  gap: 5px;
  width: 86px;
  height: 54px;
  padding: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

.theme-preview span {
  border-radius: 5px;
}

.theme-preview span:first-child {
  grid-row: 1 / -1;
}

.theme-preview-dark {
  background: oklch(9% 0.008 250);
}

.theme-preview-dark span {
  background: oklch(24% 0.014 250);
}

.theme-preview-dark span:first-child {
  background: oklch(15% 0.012 250);
}

.theme-preview-light {
  background: oklch(98% 0.003 250);
}

.theme-preview-light span {
  background: oklch(91% 0.006 250);
}

.theme-preview-light span:first-child {
  background: oklch(20% 0.012 250);
}

.theme-meta {
  display: grid;
  gap: 2px;
}

.theme-meta strong {
  color: var(--text);
  font-size: var(--text-sm);
  font-weight: 700;
}

.theme-meta small {
  color: var(--muted);
  font-size: var(--text-xs);
}

@media (max-width: 680px) {
  .theme-options {
    grid-template-columns: 1fr;
  }

  .theme-card {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .theme-preview {
    width: 72px;
  }
}

.dialog-grid {
  display: grid;
  gap: var(--space-md);
}

dialog label {
  display: block;
}

.dialog-field {
  display: grid;
  gap: var(--space-xs);
  min-width: 0;
}

.dialog-label {
  display: block;
}

dialog input {
  display: block;
  width: 100%;
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-sm);
  margin-top: 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--line);
}

.account-panel,
.share-members {
  display: grid;
  gap: var(--space-sm);
}

.account-summary,
.share-member-row {
  display: grid;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-sm);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-2);
}

.account-summary {
  grid-template-columns: minmax(0, 1fr) auto;
}

.share-member-row {
  grid-template-columns: minmax(0, 1fr) auto auto;
}

.account-summary > div,
.share-member-row > div:first-child {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.account-summary span,
.account-usage,
.share-member-row span {
  color: var(--text-soft);
  font-size: var(--text-xs);
}

.account-actions,
.share-invite-row,
.share-member-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.share-invite-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 130px auto;
}

.share-member-actions select {
  min-width: 112px;
}

.role-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  justify-content: center;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-soft);
  font-size: var(--text-xs);
  font-weight: 700;
}

.role-owner {
  border-color: color-mix(in oklch, var(--accent) 45%, var(--line));
  color: var(--accent);
}

.role-editor {
  border-color: color-mix(in oklch, oklch(68% 0.16 145) 45%, var(--line));
  color: oklch(68% 0.16 145);
}

.share-empty {
  color: var(--text-soft);
  font-size: var(--text-sm);
}

button.compact {
  min-height: 34px;
  padding: 0 var(--space-sm);
}

@media (max-width: 680px) {
  .share-invite-row,
  .share-member-row {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════ UTILITIES ═══════════════ */

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

/* ═══════════════ SCROLLBARS ═══════════════ */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--line-strong);
}

/* ═══════════════ ANIMATIONS ═══════════════ */

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

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

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

/* ═══════════════ RESPONSIVE ═══════════════ */

@media (max-width: 1180px) {
  .translate-control-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .translate-control-grid .source-field {
    grid-column: span 1;
  }

  .translate-control-grid .target-field {
    grid-column: span 2;
  }

  .translate-control-grid .preserve-field {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1024px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    top: 0;
    min-height: auto;
  }

  .nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sidebar-footer {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .footer-hint {
    text-align: right;
  }

  .chat-layout {
    grid-template-columns: 1fr;
  }

  body[data-view="generate"] {
    overflow: auto;
  }

  body[data-view="generate"] .main {
    min-height: 0;
    overflow: visible;
  }

  .translate-control-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .translate-control-grid .target-field,
  .translate-control-grid .preserve-field {
    grid-column: 1 / -1;
  }

  .ref-list-inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    overflow: visible;
  }

  .ref-list-inline .ref-card {
    min-width: 0;
    max-width: none;
  }
}

@media (max-width: 760px) {
  .shell {
    padding:
      max(var(--space-sm), env(safe-area-inset-top))
      max(var(--space-sm), env(safe-area-inset-right))
      max(var(--space-sm), env(safe-area-inset-bottom))
      max(var(--space-sm), env(safe-area-inset-left));
  }

  .brand,
  .panel,
  .lane-head,
  .chat-input {
    padding-inline: var(--space-md);
  }

  .nav {
    grid-template-columns: 1fr;
  }

  .view-head {
    grid-template-columns: 1fr;
  }

  #view-home.view.active {
    padding: var(--space-md);
  }

  #view-auth.view.active {
    padding: var(--space-md);
  }

  .home-topbar,
  .auth-topbar,
  .home-section-head {
    align-items: start;
    flex-direction: column;
  }

  .auth-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .home-title {
    align-items: center;
    flex-direction: column;
  }

  .home-prompt-card {
    grid-template-columns: 1fr;
    border-radius: var(--radius-lg);
  }

  .home-prompt-card .primary {
    width: 100%;
  }

  .home-tools {
    width: 100%;
  }

  .home-tool {
    width: 100%;
    border-radius: var(--radius-md);
  }

  .home-recent-grid {
    grid-template-columns: 1fr;
  }

  .head-right {
    justify-content: flex-start;
  }

  .control-grid {
    grid-template-columns: 1fr;
  }

  .translate-control-grid,
  .translate-control-grid .target-field,
  .translate-control-grid .preserve-field {
    grid-column: auto;
  }

  .field.grow {
    grid-column: auto;
  }

  .outfit-lanes,
  .input-row {
    grid-template-columns: 1fr;
  }

  .chat-input-top {
    align-items: flex-start;
  }

  .ref-list-inline {
    grid-template-columns: 1fr;
  }

  .ref-card,
  .ref-list-inline .ref-card {
    min-width: 0;
    max-width: none;
    grid-template-columns: 36px minmax(0, 1fr) 120px;
    padding-right: 36px;
  }

  .ref-card-controls,
  .ref-list-inline .ref-card-controls {
    grid-column: auto;
  }

  button.send {
    width: 100%;
  }

  .grid th,
  .grid td {
    padding: var(--space-sm);
  }

  .thumb,
  .matrix-thumb {
    width: 72px;
  }

  .chat-scroll {
    padding: var(--space-md);
  }

  dialog {
    width: calc(100vw - 24px);
    padding: var(--space-lg);
  }

  .image-lightbox {
    width: calc(100vw - 16px);
    padding: var(--space-sm);
  }

  .lightbox-image {
    max-height: calc(100dvh - 140px);
  }

  .msg-bubble,
  .msg-note,
  .msg-prompt {
    max-width: 100%;
  }
}

@media (hover: none) {
  .nav-item:hover,
  button.primary:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}