/* ---------- Design tokens ---------- */
:root {
  --bg: #f6f6f8;
  --bg-elevated: #ffffff;
  --card: #ffffff;
  --border: #e4e4e9;
  --text: #15151b;
  --text-muted: #6b6b76;
  --accent: #6c47ff;
  --accent-hover: #5934e6;
  --accent-rgb: 108, 71, 255;
  --success: #16a34a;
  --success-rgb: 22, 163, 74;
  --danger: #dc2626;
  --danger-rgb: 220, 38, 38;
  --warn: #b45309;
  --warn-rgb: 180, 83, 9;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16,16,20,0.04), 0 1px 3px rgba(16,16,20,0.06);
  --shadow-md: 0 4px 14px rgba(16,16,20,0.08);
  --shadow-lg: 0 16px 40px rgba(16,16,20,0.14);
  --canvas-stage: #eceef2;
}

:root[data-theme="dark"] {
  --bg: #0f0f11;
  --bg-elevated: #18181b;
  --card: #1c1c20;
  --border: #2b2b30;
  --text: #eceef0;
  --text-muted: #9a9ba3;
  --accent: #8b6cff;
  --accent-hover: #9d82ff;
  --accent-rgb: 139, 108, 255;
  --success: #3ddc84;
  --success-rgb: 61, 220, 132;
  --danger: #ff5c5c;
  --danger-rgb: 255, 92, 92;
  --warn: #ffb454;
  --warn-rgb: 255, 180, 84;
  --shadow: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 18px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.55);
  --canvas-stage: #232326;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.muted { color: var(--text-muted); font-size: 13px; margin: 0 0 14px; }

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}

.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 26px; }
.brand-mark-icon {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px; flex-shrink: 0;
}
.brand-text { font-weight: 800; font-size: 15px; letter-spacing: 0.2px; }
.brand-mark.accent { color: var(--accent); }

.side-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.side-nav .tab {
  display: flex; align-items: center; gap: 12px;
  background: transparent; border: none; color: var(--text-muted);
  padding: 11px 12px; border-radius: 10px; cursor: pointer;
  font-size: 14px; font-weight: 600; text-align: left; width: 100%;
  transition: background 0.15s ease, color 0.15s ease;
}
.side-nav .tab:hover:not(.active) { background: rgba(var(--accent-rgb), 0.08); color: var(--text); }
.side-nav .tab.active { background: var(--accent); color: #fff; }
.nav-icon { width: 18px; height: 18px; flex-shrink: 0; }

.theme-toggle {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; cursor: pointer; color: var(--text);
  font-size: 13px; font-weight: 600; margin-top: 12px;
  transition: border-color 0.15s ease;
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-icon { width: 18px; height: 18px; }

.main-area { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topheader { padding: 28px 40px 4px; }
.topheader h1 { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }

.app { max-width: 1200px; margin: 0 auto; width: 100%; padding: 20px 40px 80px; }

.panel.hidden { display: none; }

@media (max-width: 860px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 12px 16px; overflow-x: auto; }
  .sidebar .brand { padding: 0 12px 0 0; }
  .side-nav { flex-direction: row; flex: 1; }
  .side-nav .tab { flex-direction: column; gap: 4px; font-size: 11px; padding: 8px 10px; white-space: nowrap; }
  .theme-toggle { margin-top: 0; }
  .theme-toggle span { display: none; }
  .topheader, .app { padding-left: 20px; padding-right: 20px; }
}

/* ---------- Layout primitives ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 20px;
}
.card h2 { margin: 0 0 6px; font-size: 16px; }

/* ---------- Dropzone ---------- */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
  overflow: hidden;
  padding: 12px;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--accent); background: rgba(var(--accent-rgb), 0.06); }
.dz-title { font-weight: 600; margin: 0 0 4px; }
.dz-sub { color: var(--text-muted); font-size: 13px; margin: 0; }
#design-preview { max-width: 100%; max-height: 260px; border-radius: 8px; object-fit: contain; }

/* ---------- Buttons ---------- */
.btn {
  border: none;
  border-radius: 10px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease, border-color 0.15s ease;
  margin-top: 14px;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn.primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { border-color: var(--accent); background: rgba(var(--accent-rgb), 0.06); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--border); }
.btn.danger:hover { border-color: var(--danger); background: rgba(var(--danger-rgb), 0.06); }

/* ---------- Generate divider + AI mode tabs ---------- */
.generate-divider {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  margin: 16px 0 10px;
  position: relative;
}
.generate-divider::before, .generate-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 60px);
  height: 1px;
  background: var(--border);
}
.generate-divider::before { left: 0; }
.generate-divider::after { right: 0; }

.ai-mode-tabs { display: flex; gap: 4px; background: var(--bg); padding: 4px; border-radius: 8px; border: 1px solid var(--border); }
.ai-mode-btn { flex: 1; background: transparent; border: none; color: var(--text-muted); padding: 8px; border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 600; }
.ai-mode-btn.active { background: var(--accent); color: #fff; }
#ai-remix-picker { margin-bottom: 12px; }
#ai-remix-grid img { transition: outline 0.1s ease; }
#ai-remix-grid img.selected { outline: 3px solid var(--accent); outline-offset: -3px; }

/* ---------- Template picker ---------- */
.template-picker { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-bottom: 6px; }
.template-option {
  border: 2px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg);
  transition: border-color 0.15s ease;
  position: relative;
}
.template-option.selected { border-color: var(--accent); }
.template-option img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.template-option .label { font-size: 11px; padding: 6px 8px; color: var(--text-muted); text-align: center; }
.template-option.selected .label { color: var(--text); }
.wardrobe-model-picker { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.wardrobe-model-option {
  width: 84px;
  border: 2px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg);
  transition: border-color 0.15s ease;
}
.wardrobe-model-option.active { border-color: var(--accent); }
.wardrobe-model-option img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.wardrobe-model-option .label { font-size: 11px; padding: 4px 6px; color: var(--text-muted); text-align: center; }
.wardrobe-model-option.active .label { color: var(--text); }
.style-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
}

/* ---------- Analysis ---------- */
.analysis-grid { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.analysis-row { display: grid; grid-template-columns: 110px 1fr; gap: 12px; font-size: 13px; align-items: start; }
.analysis-label { color: var(--text-muted); font-weight: 600; }
.analysis-value { color: var(--text); }
.analysis-value.good { color: var(--success); }
.analysis-value.warn { color: var(--warn); }

/* ---------- Mockup results ---------- */
.results-header { display: flex; align-items: center; justify-content: space-between; }
.results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; margin-top: 10px; }
.result-item { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; position: relative; }
.result-item img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.result-item .label { padding: 8px; font-size: 12px; color: var(--text-muted); }
.result-item.selectable { cursor: pointer; }
.result-item.selectable.selected { border-color: var(--accent, #7c5cff); box-shadow: 0 0 0 2px var(--accent, #7c5cff); }
.result-item .select-check {
  position: absolute; top: 8px; left: 8px; width: 20px; height: 20px; cursor: pointer;
  accent-color: var(--accent, #7c5cff);
}

/* ---------- Templates tab ---------- */
.template-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.template-card { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; position: relative; }
.template-card img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.template-card .label { padding: 8px; font-size: 12px; color: var(--text-muted); }
.template-card .remove-btn {
  position: absolute; top: 6px; right: 6px; background: rgba(0,0,0,0.6); color: #fff;
  border: none; border-radius: 6px; width: 24px; height: 24px; cursor: pointer; font-size: 14px;
}

/* ---------- Forms ---------- */
.template-form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-muted); flex: 1; min-width: 140px; }
.form-row label.grow { flex: 1 1 100%; }
input[type="text"], input[type="number"], textarea, select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
input[type="file"] { color: var(--text-muted); font-size: 13px; }
textarea { resize: vertical; width: 100%; font-family: inherit; }

#listing-result label { display: block; margin: 14px 0 6px; font-size: 12px; color: var(--text-muted); }
#listing-result input, #listing-result textarea { width: 100%; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-pill { background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; font-size: 12px; }

/* ---------- Batch ---------- */
.batch-item { border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 14px; background: var(--bg); }
.batch-item-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.batch-item-header img { width: 56px; height: 56px; object-fit: contain; border-radius: 8px; background: var(--card); flex-shrink: 0; }
.batch-item-title { font-weight: 700; font-size: 14px; }
.batch-item-sub { font-size: 12px; color: var(--text-muted); }
.batch-item-status { margin-left: auto; font-size: 12px; color: var(--accent); }
.batch-mockup-row { display: flex; flex-wrap: wrap; gap: 8px; }
.batch-mockup-row img { width: 90px; height: 90px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }

/* ---------- Trends ---------- */
.trend-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.trend-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.trend-card h3 { margin: 0 0 8px; font-size: 15px; }
.trend-competition { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; }
.trend-competition.low { background: rgba(var(--success-rgb), 0.15); color: var(--success); }
.trend-competition.medium { background: rgba(var(--warn-rgb), 0.15); color: var(--warn); }
.trend-competition.high { background: rgba(var(--danger-rgb), 0.15); color: var(--danger); }
.trend-why { font-size: 13px; color: var(--text-muted); margin: 0 0 10px; }
.trend-angle { font-size: 13px; margin: 0 0 10px; font-style: italic; }
.trend-keywords { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

/* ---------- Canvas editor ---------- */
.canvas-layout {
  display: grid;
  grid-template-columns: 96px 260px 1fr;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  min-height: 720px;
}
.canvas-rail {
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 12px 0;
}
.rail-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 14px 4px;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.rail-btn.active { color: var(--accent); background: rgba(var(--accent-rgb), 0.08); }
.rail-icon { font-size: 18px; font-weight: 700; }
.canvas-panel-content { border-right: 1px solid var(--border); padding: 18px; background: var(--card); }
.rail-panel textarea { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); padding: 10px; font-family: inherit; }
.canvas-designs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 10px; }
.canvas-designs-grid img { width: 100%; aspect-ratio: 1; object-fit: contain; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; }
.shape-buttons { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.canvas-stage { display: flex; flex-direction: column; background: var(--canvas-stage); }
.canvas-toolbar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; background: var(--bg-elevated); border-bottom: 1px solid var(--border); }
.canvas-toolbar-spacer { flex: 1; }
.canvas-toolbar .btn { margin-top: 0; padding: 8px 14px; font-size: 13px; }
.canvas-object-controls { display: flex; align-items: center; gap: 8px; }
.canvas-object-controls input[type="color"] { width: 32px; height: 32px; border: none; border-radius: 6px; background: none; padding: 0; cursor: pointer; }
.canvas-object-controls input[type="number"] { background: var(--card); border: 1px solid var(--border); border-radius: 6px; color: var(--text); padding: 6px; }
.canvas-scroll { flex: 1; overflow: auto; display: flex; align-items: center; justify-content: center; padding: 24px; }
#fabric-canvas {
  box-shadow: var(--shadow-lg);
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%), linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%), linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
  background-color: #f5f5f5;
}

#placement-canvas {
  display: block;
  margin: 12px auto 0;
  width: 480px;
  height: 480px;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background-color: #f4f4f2;
  background-size: cover;
  background-position: center;
}

/* ---------- Pricing ---------- */
.pricing-bulk-row { display: flex; gap: 24px; margin: 18px 0; flex-wrap: wrap; }
.pricing-bulk-row label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-muted); }
.pricing-bulk-input { display: flex; gap: 8px; }
.pricing-bulk-input input { width: 100px; }
.pricing-bulk-input .btn { margin-top: 0; padding: 10px 16px; }
.pricing-table-wrap { overflow-x: auto; }
.pricing-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.pricing-table th { text-align: left; padding: 10px 12px; color: var(--text-muted); font-size: 12px; border-bottom: 1px solid var(--border); }
.pricing-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.pricing-table input { width: 90px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text); padding: 8px; }
.pricing-cell.good { color: var(--success); font-weight: 600; }
.pricing-cell.bad { color: var(--danger); font-weight: 600; }
.pricing-table tfoot td { font-weight: 700; border-bottom: none; padding-top: 14px; }

/* ---------- Dashboard ---------- */
.dashboard-greeting { color: var(--text-muted); font-size: 14px; margin: 0 0 20px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-value { font-size: 30px; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }

.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-top: 6px; }
.quick-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.quick-action:hover { border-color: var(--accent); background: rgba(var(--accent-rgb), 0.06); }
.quick-action-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(var(--accent-rgb), 0.12); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}

.dashboard-recent-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
.dashboard-recent-grid img { aspect-ratio: 1; }

/* ---------- Tools ---------- */
.tool-result-row { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
#tool-result-img {
  max-width: 320px; max-height: 320px; border-radius: 10px; border: 1px solid var(--border);
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%), linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%), linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #f5f5f5;
}
.tool-result-actions { display: flex; flex-direction: column; gap: 10px; }
.tool-result-actions .btn { margin-top: 0; text-align: center; text-decoration: none; }