:root {
  --bg: #f4f1ea;
  --bg-accent: #fbe4c9;
  --panel: #ffffff;
  --ink: #1e1b16;
  --ink-muted: #5e554a;
  --accent: #d1592a;
  --accent-dark: #b04822;
  --border: #e0d6c7;
  --shadow: rgba(30, 27, 22, 0.08);
  --radius: 18px;
}

body[data-theme="dark"] {
  --bg: #12100d;
  --bg-accent: #1f1a15;
  --panel: #1b1712;
  --ink: #f2e9dc;
  --ink-muted: #c1b5a3;
  --accent: #e28a5e;
  --accent-dark: #cc7146;
  --border: #2d261e;
  --shadow: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, var(--bg-accent), var(--bg));
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.eyebrow {
  font-family: "Source Code Pro", monospace;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(32px, 5vw, 52px);
  margin: 0 0 12px;
}

.lede {
  font-size: 18px;
  color: var(--ink-muted);
  line-height: 1.6;
  margin: 0;
}

.hero-card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  gap: 16px;
  box-shadow: 0 18px 40px var(--shadow);
  border: 1px solid var(--border);
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.theme-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.theme-label {
  font-size: 12px;
  color: var(--ink-muted);
}

.stat {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin: 0 0 6px;
}

.stat-value {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.panel {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 28px;
  box-shadow: 0 20px 50px var(--shadow);
  border: 1px solid var(--border);
}

.panel-section h2 {
  margin: 0 0 16px;
  font-size: 20px;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.upload-box {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 18px;
  background: color-mix(in srgb, var(--panel) 80%, var(--bg-accent));
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
}

.upload-box.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.upload-box input {
  display: none;
}

.upload-title {
  font-weight: 600;
}

.upload-sub {
  font-size: 13px;
  color: var(--ink-muted);
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.preview-nav {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.preview-nav button {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
}

.preview-nav button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.info-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: help;
}

.tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: help;
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--panel);
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.4;
  white-space: normal;
  width: 220px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  box-shadow: 0 10px 24px rgba(30, 27, 22, 0.2);
  z-index: 10;
}

.tooltip:hover::after,
.tooltip:focus::after {
  opacity: 1;
}

.duplex-note {
  font-size: 12px;
  color: var(--ink-muted);
}

.choice-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.choice-label {
  font-size: 13px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.choice-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 14px;
  color: var(--ink);
  cursor: pointer;
}

.choice-pill input {
  accent-color: var(--accent);
}

.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #d7c8b6;
  transition: 0.3s;
  border-radius: 30px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.switch input:checked + .slider {
  background-color: var(--accent);
}

.switch input:checked + .slider:before {
  transform: translateX(22px);
}

.input-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 10px;
}

.nudge-row {
  margin-top: 12px;
}

#resetNudgeBtn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}

#resetNudgeBtn:hover {
  background: color-mix(in srgb, var(--panel) 80%, var(--bg-accent));
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-muted);
}

.fit-label .fit-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

select,
input[type="number"] {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--panel);
}

.helper {
  font-size: 13px;
  color: var(--ink-muted);
  margin: 0;
}

.action-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.thumb-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.thumb-title {
  font-size: 13px;
  color: var(--ink-muted);
}

.thumb-grid .thumb {
  position: relative;
}

.thumb-controls {
  display: grid;
  gap: 6px;
}

.thumb-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-muted);
}

.thumb select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  color: var(--ink);
  background: var(--panel);
}

.thumb {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 6px;
  display: grid;
  gap: 6px;
}

.thumb img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
}

.thumb span {
  font-size: 11px;
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-shell {
  background: color-mix(in srgb, var(--panel) 80%, var(--bg-accent));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 12px;
}

#previewCanvas {
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: white;
  border: 1px solid var(--border);
}
#previewCanvas {
  width: 100%;
  height: auto;
  border-radius: 12px;
  background: white;
  border: 1px solid var(--border);
}

.preview-meta {
  font-size: 13px;
  color: var(--ink-muted);
}

button {
  border: none;
  background: var(--accent);
  color: white;
  font-size: 16px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 20px rgba(209, 89, 42, 0.25);
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(209, 89, 42, 0.35);
}

.status {
  font-size: 14px;
  color: var(--ink-muted);
}

.footer {
  text-align: center;
  color: var(--ink-muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .page {
    padding: 40px 20px 56px;
  }
}

@media (max-width: 720px) {
  .panel {
    padding: 22px;
  }
  .input-row {
    grid-template-columns: 1fr;
  }
  .input-grid {
    grid-template-columns: 1fr;
  }
  .thumb-toolbar {
    align-items: flex-start;
  }
  .action-row button {
    width: 100%;
  }
  .hero-card {
    padding: 18px;
  }
}

@media (max-width: 520px) {
  .page {
    padding: 32px 16px 48px;
  }
  h1 {
    font-size: clamp(28px, 8vw, 38px);
  }
  .lede {
    font-size: 16px;
  }
  .thumb-grid {
    grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  }
  .thumb img {
    height: 96px;
  }
  .panel-section h2 {
    font-size: 18px;
  }
  .action-row {
    flex-direction: column;
    align-items: stretch;
  }
  .preview-shell {
    padding: 12px;
  }
}