/* ════════════════════════════════════════════════════════════════════
   Creative Studio — Refactored design system
   One source of truth, no glass, no emojis, real type scale
   ════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* ── Surfaces ── */
  --bg:           #0a0a0c;
  --bg-elevated:  #131316;
  --bg-input:     #1a1a1f;
  --bg-hover:     #202028;
  --surface:      #1a1a1f;
  --surface-2:    #202028;

  /* ── Borders (used sparingly) ── */
  --border:        #26262e;
  --border-strong: #3a3a44;
  --border-focus:  #ff7a3d;

  /* ── Text ── */
  --text:        #f5f5f7;
  --text-2:      #b4b4be;
  --text-3:      #777784;
  --text-dim:    #4a4a55;

  /* ── Accent (orange — used sparingly) ── */
  --accent:        #ff7a3d;
  --accent-hover:  #ff8c54;
  --accent-soft:   rgba(255, 122, 61, 0.10);
  --accent-glow:   rgba(255, 122, 61, 0.20);

  /* ── Semantic ── */
  --success:    #34d399;
  --success-bg: rgba(52, 211, 153, 0.10);
  --warning:    #fbbf24;
  --warning-bg: rgba(251, 191, 36, 0.10);
  --danger:     #f87171;
  --danger-bg:  rgba(248, 113, 113, 0.10);

  /* ── Geometry ── */
  --r-sm: 8px;
  --r:    12px;
  --r-lg: 16px;
  --r-xl: 20px;

  /* ── Touch (44px iOS) ── */
  --t: 44px;

  /* ── Type scale (7 sizes, each with a purpose) ── */
  --t-caption: 11px;
  --t-foot:    12px;
  --t-body:    14px;
  --t-head:    15px;
  --t-title:    18px;
  --t-display: 24px;
  --t-hero:    32px;

  /* ── Font ── */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;

  /* ── Shadows (subtle, not glass) ── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow:    0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: var(--t-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
button { font-family: inherit; cursor: pointer; background: none; border: none; padding: 0; color: inherit; }
input, textarea { font-family: inherit; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ════════════════════════════════════════════════════════════════════
   HEADER — compact
   ════════════════════════════════════════════════════════════════════ */

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: 52px;
  gap: 12px;
}
.header-brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--text);
  font-weight: 600; font-size: var(--t-head);
  flex-shrink: 0;
}
.header-brand:hover { text-decoration: none; }
.header-brand .mark {
  width: 24px; height: 24px;
  background: var(--accent);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: #fff; font-weight: 700;
  letter-spacing: -0.02em;
}
.header-nav {
  display: flex; align-items: center; gap: 2px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
}
.header-nav a {
  padding: 6px 14px; border-radius: 100px;
  font-size: var(--t-foot);
  font-weight: 500; color: var(--text-2);
  transition: all 0.15s;
  white-space: nowrap;
}
.header-nav a:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }
.header-nav a.active {
  color: var(--text);
  background: var(--bg-hover);
}
.header-nav-status {
  display: flex; align-items: center; gap: 6px;
}
.header-nav-status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}
.menu-toggle {
  display: none;
  width: var(--t); height: var(--t);
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  align-items: center; justify-content: center;
}
.menu-toggle svg { width: 18px; height: 18px; }

.mobile-menu {
  display: none;
  position: fixed; top: 52px; left: 0; right: 0; bottom: 0;
  background: rgba(10, 10, 12, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 49;
  padding: 16px;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  min-height: var(--t);
  padding: 0 16px;
  border-radius: var(--r-sm);
  color: var(--text);
  font-size: var(--t-head);
  font-weight: 500;
  display: flex; align-items: center;
}
.mobile-menu a:hover, .mobile-menu a.active { background: var(--bg-hover); text-decoration: none; }

/* ════════════════════════════════════════════════════════════════════
   LAYOUT
   ════════════════════════════════════════════════════════════════════ */

.main {
  max-width: 1200px; margin: 0 auto;
  padding: 24px 20px 120px;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: start;
}
.sidebar {
  display: flex; flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 76px;
  align-self: start;
  max-height: calc(100vh - 92px);
  overflow-y: auto;
  padding-right: 4px;
  padding-bottom: 8px;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 2px; }
.canvas {
  display: flex; flex-direction: column;
  gap: 24px;
  min-width: 0;
}

/* ════════════════════════════════════════════════════════════════════
   API KEY BLOCK — compact, inline status
   ════════════════════════════════════════════════════════════════════ */

.apikey-block {
  display: flex; flex-direction: column;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r);
}
.apikey-row {
  display: flex; align-items: center; gap: 10px;
}
.apikey-status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-user     { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-shared   { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.dot-required { background: var(--danger); box-shadow: 0 0 6px var(--danger); }
.dot-none     { background: var(--text-dim); }

.apikey-label {
  display: flex; flex-direction: column;
  flex: 1; min-width: 0;
  line-height: 1.3;
}
.apikey-title { font-size: var(--t-foot); font-weight: 600; color: var(--text); }
.apikey-sub   { font-size: var(--t-caption); color: var(--text-3); }

.link-btn {
  font-size: var(--t-foot);
  color: var(--accent);
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}
.link-btn:hover { background: var(--accent-soft); }
.link-btn.link-danger { color: var(--danger); }
.link-btn.link-danger:hover { background: var(--danger-bg); }

.apikey-form { display: flex; flex-direction: column; gap: 8px; }
.apikey-input-wrap { display: flex; gap: 8px; }
.apikey-input-wrap input {
  flex: 1; min-width: 0;
  min-height: var(--t);
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-input);
  color: var(--text);
  font-size: 16px; /* 16px = no iOS auto-zoom */
  outline: none;
  transition: border-color 0.15s;
}
.apikey-input-wrap input:focus { border-color: var(--border-focus); }

.apikey-hint { font-size: var(--t-caption); color: var(--text-3); line-height: 1.5; }

/* ════════════════════════════════════════════════════════════════════
   FIELDS — uniform styling
   ════════════════════════════════════════════════════════════════════ */

.field-group {
  display: flex; flex-direction: column;
  gap: 10px;
}
.field-label {
  display: flex; align-items: baseline; justify-content: space-between;
  font-size: var(--t-caption);
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.field-optional {
  font-size: var(--t-caption);
  font-weight: 500;
  color: var(--text-dim);
  text-transform: none;
  letter-spacing: 0;
}
.field-hint {
  font-size: var(--t-foot);
  color: var(--text-3);
  line-height: 1.5;
}

.prompt-input {
  width: 100%;
  min-height: 96px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--bg-input);
  color: var(--text);
  font-size: 16px; /* no iOS auto-zoom */
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
  font-family: var(--font);
}
.prompt-input:focus { border-color: var(--border-focus); }

.chip-row {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.chip-row-tight { gap: 4px; }

.chip {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: transparent;
  color: var(--text-2);
  font-size: var(--t-foot);
  font-weight: 500;
  display: inline-flex; align-items: center;
  transition: all 0.15s;
  white-space: nowrap;
}
.chip:hover { background: var(--bg-hover); color: var(--text); }
.chip.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

.preset-row {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.preset-row-scenes {
  margin-top: 8px;
}
.chip-scene {
  min-height: 38px;
  padding: 0 14px;
  font-size: var(--t-body);
  font-weight: 500;
}
.chip-scene.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}
.chip-compact { min-height: 32px; padding: 0 10px; font-size: var(--t-caption); }

.settings-grid {
  display: flex; flex-direction: column;
  gap: 14px;
}
.setting {
  display: flex; flex-direction: column;
  gap: 6px;
}
.setting-label {
  font-size: var(--t-caption);
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.checkbox-row {
  display: flex; align-items: center; gap: 10px;
  min-height: var(--t);
  font-size: var(--t-body);
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
}
.checkbox-row input { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.checkbox-row .muted { color: var(--text-3); }

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

.dropzone {
  position: relative;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r);
  background: var(--bg-input);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
  min-height: 100px;
  display: flex; align-items: center; justify-content: center;
  outline: none;
}
.dropzone:hover, .dropzone:focus-visible, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone input[type="file"] { display: none; }

.dropzone-empty {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-2);
  pointer-events: none;
}
.dropzone-icon { width: 28px; height: 28px; color: var(--text-3); }
.dropzone-text {
  font-size: var(--t-body); color: var(--text-2);
  font-weight: 500;
}
.dropzone-text u { color: var(--accent); text-decoration: none; }
.dropzone-hint { font-size: var(--t-caption); color: var(--text-3); }

.dropzone-filled {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-elevated);
}
.dropzone-filled img {
  max-width: 100%;
  max-height: 180px;
  object-fit: contain;
  border-radius: var(--r-sm);
  display: block;
}
.dropzone-remove {
  position: absolute; top: 6px; right: 6px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.dropzone-remove:hover { background: var(--danger); }
.dropzone-remove svg { width: 14px; height: 14px; }

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border-radius: var(--r);
  padding: 0 18px;
  min-height: var(--t);
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  transition: background 0.15s, transform 0.1s;
  font-size: var(--t-body);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-primary.is-loading { cursor: wait; }

/* Scene-set button: secondary CTA, only visible when product is uploaded */
.btn-scene-set {
  width: 100%;
  min-height: var(--t);
  padding: 0 16px;
  border: 1px solid var(--accent);
  border-radius: var(--r);
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font);
  font-size: var(--t-body);
  font-weight: 600;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.15s, transform 0.1s;
}
.btn-scene-set:hover {
  background: var(--accent-glow);
  transform: translateY(-1px);
}
.btn-scene-set:active { transform: scale(0.98); }
.btn-scene-set:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.scene-set-label { font-size: var(--t-body); }
.scene-set-meta { font-size: var(--t-caption); font-weight: 500; opacity: 0.75; }

.btn-secondary {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 500;
  border-radius: var(--r);
  padding: 0 14px;
  min-height: var(--t);
  display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  font-size: var(--t-body);
  cursor: pointer;
}
.btn-secondary:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.btn-secondary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-sm { min-height: 32px; padding: 0 10px; font-size: var(--t-foot); }

.btn-generate {
  width: 100%;
  min-height: 48px;
  font-size: var(--t-head);
  font-weight: 600;
  letter-spacing: -0.01em;
  position: relative;
}
.btn-spinner {
  display: none;
  width: 14px; height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.is-loading .btn-spinner { display: block; }
.btn-meta { font-size: var(--t-foot); font-weight: 500; opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ════════════════════════════════════════════════════════════════════
   OUTPUT STAGE — honest empty state
   ════════════════════════════════════════════════════════════════════ */

.output-stage {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  min-height: 360px;
  display: flex; flex-direction: column;
}

.output-empty {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 48px 24px;
  text-align: center;
  gap: 16px;
}
.output-empty-frame {
  width: 200px; height: 200px;
  border-radius: var(--r);
  background: var(--bg-input);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  margin-bottom: 8px;
}
.frame-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
}
.output-empty-title {
  font-size: var(--t-title);
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.output-empty-text {
  font-size: var(--t-body);
  color: var(--text-2);
  max-width: 360px;
  line-height: 1.55;
}
.output-empty-examples {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 8px;
  align-items: center;
}
.example-chip {
  font-size: var(--t-foot);
  color: var(--text-3);
  padding: 6px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
  font-style: italic;
}
.example-chip:hover { color: var(--text); border-color: var(--border-strong); background: var(--bg-hover); }

/* Output grid — Bento layout (asymmetric, source-anchored) */
.output-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 10px;
  padding: 14px;
}

/* Bento layouts by image count (incl. optional source tile as first) */
.output-grid.count-1 { grid-template-columns: 1fr; grid-template-rows: 1fr; }
.output-grid.count-1 .output-cell { aspect-ratio: 4 / 3; max-height: 520px; }

.output-grid.count-2 { grid-template-columns: repeat(2, 1fr); }
.output-grid.count-2 .output-cell { aspect-ratio: 4 / 5; }

/* 3 images: 1 wide hero + 1 col of 2 stacked */
.output-grid.count-3 {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  grid-template-areas: "hero b1" "hero b2";
}
.output-grid.count-3 .output-cell:nth-child(1) { grid-area: hero; aspect-ratio: 4 / 5; }
.output-grid.count-3 .output-cell:nth-child(2) { grid-area: b1; aspect-ratio: 16 / 10; }
.output-grid.count-3 .output-cell:nth-child(3) { grid-area: b2; aspect-ratio: 16 / 10; }

/* 4 images: 1 big + 3 small in a column on the right */
.output-grid.count-4 {
  grid-template-columns: 2fr 1fr;
  grid-template-rows: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "hero b1"
    "hero b2"
    "hero b3";
}
.output-grid.count-4 .output-cell:nth-child(1) { grid-area: hero; aspect-ratio: 1 / 1; }
.output-grid.count-4 .output-cell:nth-child(2) { grid-area: b1; aspect-ratio: 4 / 3; }
.output-grid.count-4 .output-cell:nth-child(3) { grid-area: b2; aspect-ratio: 4 / 3; }
.output-grid.count-4 .output-cell:nth-child(4) { grid-area: b3; aspect-ratio: 4 / 3; }

/* 5 images: 1 hero + 2x2 mosaic on the right */
.output-grid.count-5 {
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  grid-template-areas: "hero tl" "hero br";
  grid-auto-columns: 1fr;
}
.output-grid.count-5 .output-cell:nth-child(1) { grid-area: hero; aspect-ratio: 1 / 1; }
.output-grid.count-5 .output-cell:nth-child(2) { grid-area: tl; aspect-ratio: 1 / 1; }
.output-grid.count-5 .output-cell:nth-child(3) { grid-area: br; aspect-ratio: 1 / 1; }
.output-grid.count-5 .output-cell:nth-child(4) { aspect-ratio: 4 / 3; }
.output-grid.count-5 .output-cell:nth-child(5) { aspect-ratio: 4 / 3; }

/* 6+ images: 3-column mosaic with hero position */
.output-grid.count-6 {
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "h1 h2 h3"
    "b1 b2 b3";
}
.output-grid.count-6 .output-cell:nth-child(1) { grid-area: h1; aspect-ratio: 4 / 3; }
.output-grid.count-6 .output-cell:nth-child(2) { grid-area: h2; aspect-ratio: 4 / 3; }
.output-grid.count-6 .output-cell:nth-child(3) { grid-area: h3; aspect-ratio: 4 / 3; }
.output-grid.count-6 .output-cell:nth-child(4) { grid-area: b1; aspect-ratio: 4 / 3; }
.output-grid.count-6 .output-cell:nth-child(5) { grid-area: b2; aspect-ratio: 4 / 3; }
.output-grid.count-6 .output-cell:nth-child(6) { grid-area: b3; aspect-ratio: 4 / 3; }

.output-cell {
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  position: relative;
  animation: cell-in 0.4s var(--spring, ease) both;
}
@keyframes cell-in {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
.output-cell img { width: 100%; height: 100%; object-fit: cover; display: block; }
.output-cell, .output-cell.ratio-1-1 { aspect-ratio: 1 / 1; }
.output-cell.ratio-4-3 { aspect-ratio: 4 / 3; }
.output-cell.ratio-16-9 { aspect-ratio: 16 / 9; }
.output-cell.ratio-9-16 { aspect-ratio: 9 / 16; }
.output-cell.ratio-2-3 { aspect-ratio: 2 / 3; }
.output-cell.ratio-4-5 { aspect-ratio: 4 / 5; }

/* Source tile (the user's product, anchored at start) */
.output-cell.is-source {
  background: var(--bg-input);
  border-color: var(--border-strong);
}
.output-cell.is-source img {
  background: var(--bg);
  object-fit: contain;
  padding: 16px;
}
.output-cell .source-badge {
  position: absolute; top: 8px; left: 8px;
  padding: 4px 8px; border-radius: 100px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff; font-size: var(--t-caption);
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  pointer-events: none;
}

.cell-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 10px;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.7));
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}
.output-cell:hover .cell-overlay, .output-cell:focus-within .cell-overlay { opacity: 1; }
.output-cell .cell-overlay { pointer-events: auto; }
.cell-meta {
  display: flex; gap: 4px; flex-wrap: wrap;
  margin-top: auto;
  align-self: flex-start;
}
.cell-tag {
  font-size: var(--t-caption);
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.cell-tag-dim { color: rgba(255, 255, 255, 0.7); background: rgba(255, 255, 255, 0.08); }
.cell-tag-cost { background: var(--success-bg); color: var(--success); }
.cell-tag-model { background: var(--warning-bg); color: var(--warning); }

.cell-actions {
  display: flex; gap: 4px;
  align-self: flex-end;
}
.cell-action {
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.15s;
  text-decoration: none;
}
.cell-action:hover { background: rgba(255, 255, 255, 0.25); text-decoration: none; }
.cell-action svg { width: 14px; height: 14px; }

/* Skeleton placeholder */
.skeleton-cell {
  border-radius: var(--r);
  background: var(--bg);
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
}
.skeleton-cell.ratio-4-3 { aspect-ratio: 4 / 3; }
.skeleton-cell.ratio-16-9 { aspect-ratio: 16 / 9; }
.skeleton-cell.ratio-9-16 { aspect-ratio: 9 / 16; }
.skeleton-cell.ratio-2-3 { aspect-ratio: 2 / 3; }
.skeleton-cell.ratio-4-5 { aspect-ratio: 4 / 5; }
.skeleton-cell::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
.skeleton-cell .skeleton-label {
  position: absolute; top: 8px; left: 8px;
  padding: 4px 8px; border-radius: 100px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff; font-size: var(--t-caption);
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  z-index: 1;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ════════════════════════════════════════════════════════════════════
   GALLERY
   ════════════════════════════════════════════════════════════════════ */

.gallery {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px;
}
.gallery-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px; gap: 12px; flex-wrap: wrap;
}
.gallery-title {
  font-size: var(--t-caption);
  font-weight: 700;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.gallery-actions {
  display: flex; gap: 8px; align-items: center;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 6px;
}
.gallery-item {
  position: relative;
  border-radius: var(--r-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s;
  aspect-ratio: 1;
}
.gallery-item:hover { transform: translateY(-1px); }
.gallery-item.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.gallery-item-del {
  position: absolute; top: 4px; right: 4px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity 0.15s, background 0.15s;
}
.gallery-item:hover .gallery-item-del { opacity: 1; }
.gallery-item-del:hover { background: var(--danger); }
.gallery-item-del svg { width: 12px; height: 12px; }

/* ════════════════════════════════════════════════════════════════════
   TOAST
   ════════════════════════════════════════════════════════════════════ */

.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 10px 16px; border-radius: var(--r);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: var(--t-body);
  font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: all 0.25s;
  z-index: 200;
  box-shadow: var(--shadow-lg);
  max-width: calc(100vw - 40px);
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-ok { border-color: var(--success); color: var(--success); }
.toast-err { border-color: var(--danger); color: var(--danger); }

/* ════════════════════════════════════════════════════════════════════
   LIGHTBOX
   ════════════════════════════════════════════════════════════════════ */

.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.lightbox[hidden] { display: none; }
.lightbox-img {
  max-width: 90vw; max-height: 80vh; object-fit: contain;
  border-radius: var(--r);
}
.lightbox-close, .lightbox-nav {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
}
.lightbox-close {
  top: 20px; right: 20px;
  width: 40px; height: 40px;
}
.lightbox-nav {
  top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px;
}
.lightbox-nav:disabled { opacity: 0.3; cursor: not-allowed; }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-close:hover, .lightbox-nav:not(:disabled):hover { background: rgba(255, 255, 255, 0.2); }
.lightbox-close svg, .lightbox-nav svg { width: 18px; height: 18px; }

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

@media (max-width: 960px) {
  .header-inner { padding: 0 16px; }
  .header-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .main {
    grid-template-columns: 1fr;
    padding: 16px 16px 100px;
    gap: 20px;
  }
  .sidebar {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .generate-row {
    position: sticky;
    bottom: 0;
    margin: 0 -16px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 10, 12, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    z-index: 40;
  }
  .output-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .output-empty { padding: 32px 16px; }
  .output-empty-frame { width: 160px; height: 160px; }
  .toast { left: 12px; right: 12px; transform: translateY(20px); max-width: none; }
  .toast.is-visible { transform: translateY(0); }
  .header-nav-status::before { width: 5px; height: 5px; }
}

@media (max-width: 380px) {
  .header-brand .name { display: none; }
  .showcase-grid { grid-template-columns: 1fr; }
}

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

/* ════════════════════════════════════════════════════════════════════
   LANDING PAGE
   ════════════════════════════════════════════════════════════════════ */

.landing-body { background: var(--bg); }
.landing-body .main { display: block; padding: 0; max-width: none; }

/* Hero */
.hero, .hero-section {
  padding: 80px 24px 64px;
  text-align: center;
  position: relative;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 20px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: var(--t-foot);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero h1, .hero-section h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--text);
}
.hero h1 span, .hero-section h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, #ff9268 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero p.hero-sub, .hero-section p.hero-sub {
  font-size: var(--t-title);
  color: var(--text-2);
  line-height: 1.55;
  max-width: 580px;
  margin: 0 auto 32px;
}
}
.hero-cta {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap;
}
.hero-btn {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 48px;
  padding: 0 24px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r);
  font-weight: 600; font-size: var(--t-body);
  text-decoration: none;
  transition: background 0.15s;
}
.hero-btn:hover { background: var(--accent-hover); text-decoration: none; }
.hero-btn svg { width: 14px; height: 14px; }
.hero-note { font-size: var(--t-foot); color: var(--text-3); }

/* Showcase */
.showcase {
  padding: 64px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.showcase-inner { max-width: 1100px; margin: 0 auto; }
.showcase-head { text-align: center; margin-bottom: 32px; }
.showcase-head h2 {
  font-size: var(--t-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.showcase-head p { color: var(--text-2); font-size: var(--t-body); }
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.showcase-card {
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  text-decoration: none;
  display: block;
  transition: transform 0.2s, border-color 0.2s;
}
.showcase-card:hover { transform: translateY(-2px); border-color: var(--border-strong); text-decoration: none; }
.showcase-img {
  background: var(--bg);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.showcase-img.ratio-1-1 { aspect-ratio: 1 / 1; }
.showcase-img.ratio-4-5 { aspect-ratio: 4 / 5; }
.showcase-img.ratio-9-16 { aspect-ratio: 9 / 16; }
.showcase-img.ratio-16-9 { aspect-ratio: 16 / 9; }
.showcase-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.showcase-placeholder {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px;
  background: linear-gradient(135deg, rgba(255, 122, 61, 0.12) 0%, rgba(255, 122, 61, 0.04) 100%);
  color: var(--text-3); font-size: var(--t-foot);
}
.showcase-placeholder span { font-size: 28px; font-weight: 700; color: var(--accent); letter-spacing: 0.02em; }
.showcase-placeholder b { font-weight: 600; font-size: var(--t-caption); color: var(--text-2); }
.showcase-meta { padding: 12px 14px; }
.showcase-label { font-size: var(--t-body); font-weight: 600; color: var(--text); display: block; }
.showcase-tags { font-size: var(--t-foot); color: var(--text-3); }

/* /history, /docs, /status back-link rows rendered as inline HTML in the Flask app */
.nav { display: flex; gap: 16px; padding: 12px 0; margin-bottom: 12px; border-bottom: 1px solid var(--border); }
.nav a { color: var(--text-2); padding: 6px 10px; min-height: 32px; display: inline-flex; align-items: center; border-radius: var(--r-sm); }
.nav a:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }

/* How it works */
.how, .how-section { padding: 80px 24px; }
.how-inner { max-width: 1100px; margin: 0 auto; }
.how h2, .how-section h2 {
  text-align: center;
  font-size: var(--t-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}
.how-steps, .steps-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.how-step, .step {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
}
.how-step-num, .step-num {
  font-size: var(--t-foot);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.how-step h3, .step h4 { font-size: var(--t-title); font-weight: 600; margin-bottom: 8px; letter-spacing: -0.01em; }
.how-step p, .step p { font-size: var(--t-body); color: var(--text-2); line-height: 1.55; }

/* Pricing */
.pricing, .pricing-section { padding: 80px 24px; border-top: 1px solid var(--border); }
.pricing-inner { max-width: 1100px; margin: 0 auto; }
.pricing h2, .pricing-section h2 {
  text-align: center;
  font-size: var(--t-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.pricing-sub { text-align: center; color: var(--text-2); font-size: var(--t-body); margin-bottom: 40px; }
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.tier {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
  position: relative;
}
.tier.tier-popular {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--accent-soft), var(--bg-elevated));
}
.tier-badge {
  position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  padding: 3px 10px; border-radius: 100px;
  background: var(--accent); color: #fff;
  font-size: var(--t-caption); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  white-space: nowrap;
}
.tier-label { font-size: var(--t-foot); font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.tier-price { font-size: var(--t-display); font-weight: 700; color: var(--text); margin-bottom: 2px; letter-spacing: -0.02em; }
.tier-unit { font-size: var(--t-foot); color: var(--text-3); margin-bottom: 12px; }
.tier-features { list-style: none; padding: 0; }
.tier-features li { font-size: var(--t-foot); color: var(--text-2); margin-bottom: 6px; line-height: 1.4; display: flex; gap: 6px; }
.tier-features li::before { content: '✓'; color: var(--success); }

/* FAQ */
.faq, .faq-section { padding: 80px 24px; border-top: 1px solid var(--border); }
.faq-inner, .faq-list { max-width: 720px; margin: 0 auto; }
.faq h2, .faq-section h2 {
  text-align: center;
  font-size: var(--t-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.faq-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 8px;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 18px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: var(--t-body);
  font-weight: 500;
  color: var(--text);
  min-height: var(--t);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--text-3);
  font-size: 18px;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item > p { padding: 0 18px 16px; font-size: var(--t-body); color: var(--text-2); line-height: 1.6; }

/* Showcase */
.showcase, .showcase-section { padding: 80px 24px; border-top: 1px solid var(--border); }
.showcase-inner { max-width: 1100px; margin: 0 auto; }
.showcase-head { text-align: center; margin-bottom: 40px; }
.showcase-head h2 {
  font-size: var(--t-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.showcase-head p { color: var(--text-2); font-size: var(--t-body); }
.showcase-foot { text-align: center; color: var(--text-3); font-size: var(--t-foot); margin-top: 32px; }

/* Hero */
.hero, .hero-section { padding: 80px 24px 64px; }
.hero-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.hero h1, .hero-section h1 {
  font-size: 3.2rem; font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.05; margin-bottom: 16px;
}
.hero-eyebrow {
  display: inline-block;
  padding: 4px 12px; border-radius: 100px;
  background: var(--accent-soft); color: var(--accent);
  font-size: var(--t-caption); font-weight: 600;
  margin-bottom: 24px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.hero p.hero-sub, .hero-section p.hero-sub {
  font-size: 1.15rem; color: var(--text-2); margin-bottom: 32px; line-height: 1.5;
  max-width: 720px; margin-left: auto; margin-right: auto;
}
.hero-cta { display: flex; gap: 12px; align-items: center; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.hero-note { color: var(--text-3); font-size: var(--t-foot); }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-top: 48px; max-width: 600px; margin-left: auto; margin-right: auto;
}
.hero-stats .stat { text-align: center; }
.stat-num { display: block; font-size: var(--t-title); font-weight: 700; color: var(--text); }
.stat-lbl { display: block; font-size: var(--t-caption); color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; }

/* CTA banner (final) */
.cta-section, .cta-banner {
  padding: 80px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.cta-section h2, .cta-banner h2, .cta-inner h2 { font-size: var(--t-display); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 12px; }
.cta-section p, .cta-banner p, .cta-inner p { color: var(--text-2); font-size: var(--t-body); margin-bottom: 24px; }
.cta-inner { max-width: 720px; margin: 0 auto; }

/* Generate button label spans (used inside the .btn-primary chip on /app) */
.btn-label { display: inline-block; }

/* Landing body — give the hero backdrop its own space if needed */
.landing { display: block; }

/* Footer */
/* Footer — template uses .footer-* (not .landing-footer-*) */
.landing-footer { /* keep for back-compat */ }
.footer {
  padding: 24px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: var(--t-foot);
  color: var(--text);
}
.footer-mark {
  width: 22px; height: 22px;
  background: var(--accent); border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; color: #fff; font-weight: 700;
}
.footer-links { display: flex; gap: 12px; }
.footer-links a { color: var(--text-2); font-size: var(--t-foot); padding: 8px 4px; min-height: 32px; display: inline-flex; align-items: center; }
.footer-links a:hover { color: var(--text); text-decoration: none; }
.footer-copy { font-size: var(--t-caption); color: var(--text-3); width: 100%; margin-top: 8px; }

@media (max-width: 1100px) {
  .showcase-grid { grid-template-columns: repeat(3, 1fr); }
  .tiers { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .hero, .hero-section { padding: 48px 20px 40px; }
  .hero h1, .hero-section h1 { font-size: 2.4rem; }
  .hero p.hero-sub, .hero-section p.hero-sub { font-size: 1rem; }
  .showcase, .showcase-section, .how, .how-section, .pricing, .pricing-section, .faq, .faq-section, .cta-section, .cta-banner { padding: 56px 20px; }
  .how-steps, .steps-row { grid-template-columns: 1fr; gap: 12px; }
  .showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .tiers { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .footer-links { flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .hero h1, .hero-section h1 { font-size: 2rem; }
  .hero p.hero-sub, .hero-section p.hero-sub { font-size: 0.95rem; }
  .showcase-head h2, .showcase-section h2, .how h2, .how-section h2, .pricing h2, .pricing-section h2, .faq h2, .faq-section h2, .cta-section h2, .cta-banner h2 { font-size: var(--t-title); }
  .showcase-grid, .tiers { grid-template-columns: 1fr; }
}