:root {
  color-scheme: light;
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background: #ece8df;
  color: #151515;
  --ink: #1c2225;
  --muted: #68726e;
  --paper: #fffdf8;
  --line: #d8d0c3;
  --vermilion: #9d2f24;
  --saffron: #c6912d;
  --teal: #1d6565;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(157, 47, 36, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(198, 145, 45, 0.08) 1px, transparent 1px),
    #ece8df;
  background-size: 28px 28px;
}

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

button {
  min-height: 44px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  padding: 0 14px;
  cursor: pointer;
}

button.secondary,
.small-button {
  background: #fffdf8;
  color: var(--ink);
}

.small-button {
  min-height: 38px;
  white-space: nowrap;
}

.app {
  width: min(1040px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 14px 12px calc(82px + env(safe-area-inset-bottom));
}

.page {
  display: none;
}

.page.active {
  display: grid;
  gap: 12px;
}

.hero-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 2px 2px 0;
}

.hero-bar h1 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.12;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--vermilion);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

#libraryCount,
#fontStatus,
.preview-meta span {
  color: var(--muted);
  font-size: 12px;
}

.font-icon-button {
  display: grid;
  width: 48px;
  height: 48px;
  min-height: 48px;
  place-items: center;
  border: 1px solid rgba(28, 34, 37, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #fff8e9 0 45%, transparent 46%),
    conic-gradient(from 45deg, var(--vermilion), var(--saffron), var(--teal), var(--vermilion));
  color: var(--ink);
  font-family: "Noto Serif Tibetan", serif;
  font-size: 25px;
  font-weight: 800;
  padding: 0;
}

.preview-panel,
.control-panel,
.library-tools {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 253, 248, 0.94);
  box-shadow: 0 16px 34px rgba(60, 48, 34, 0.13);
}

.preview-panel::before,
.control-panel::before,
.library-tools::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(90deg, var(--vermilion) 0 22%, transparent 22% 27%, var(--saffron) 27% 49%, transparent 49% 54%, var(--teal) 54% 76%, transparent 76%);
  height: 4px;
}

.preview-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
}

.preview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.preview-frame {
  position: relative;
  width: min(100%, 720px);
  height: 310px;
  min-width: 260px;
  min-height: 170px;
  max-width: 100%;
  max-height: 68vh;
  margin: 0 auto;
  overflow: hidden;
  resize: both;
  border: 1px solid #c8bdad;
  border-radius: 10px;
  background: #f8f3e8;
  box-shadow: inset 0 0 0 5px rgba(198, 145, 45, 0.08);
}

.canvas-corner-button {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 4;
  display: grid;
  width: 40px;
  height: 40px;
  min-height: 40px;
  place-items: center;
  border-color: rgba(28, 34, 37, 0.18);
  border-radius: 50%;
  background: rgba(255, 253, 248, 0.9);
  color: var(--ink);
  padding: 0;
  backdrop-filter: blur(10px);
}

#mainCanvas {
  display: block;
  width: 100%;
  height: 100%;
  background: #f8f3e8;
}

.transparent-preview {
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #d9dee2 25%, transparent 25%),
    linear-gradient(-45deg, #d9dee2 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d9dee2 75%),
    linear-gradient(-45deg, transparent 75%, #d9dee2 75%);
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
  background-size: 18px 18px;
}

.actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.control-panel {
  display: grid;
  gap: 12px;
  padding: 13px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span,
.range-field span,
.toggle span {
  color: #384540;
  font-size: 12px;
  font-weight: 800;
}

textarea,
select,
input[type="search"] {
  width: 100%;
  border: 1px solid #cec5b7;
  border-radius: 8px;
  color: #111;
  background: #fffefb;
}

textarea {
  min-height: 82px;
  max-height: 150px;
  resize: vertical;
  padding: 10px;
  font-family: "Noto Serif Tibetan", "Microsoft Himalaya", serif;
  font-size: 25px;
  line-height: 1.28;
}

input[type="search"],
select {
  height: 40px;
  padding: 0 11px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.compact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.range-field {
  display: grid;
  gap: 7px;
  min-width: 0;
  padding: 9px;
  border: 1px solid #ded6ca;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.62);
}

.range-field span {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  white-space: nowrap;
}

output {
  color: var(--vermilion);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--vermilion);
}

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

.position-panel {
  display: grid;
  gap: 7px;
  padding: 9px;
  border: 1px solid #ded6ca;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.62);
}

.position-panel > span {
  color: #384540;
  font-size: 12px;
  font-weight: 800;
}

.position-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.position-grid button {
  min-height: 34px;
  border-color: #cec5b7;
  background: #fffefb;
  color: var(--ink);
  padding: 0 8px;
  font-size: 12px;
}

.position-grid button.active {
  border-color: var(--vermilion);
  background: var(--vermilion);
  color: #fff;
}

input[type="color"] {
  width: 100%;
  height: 38px;
  padding: 4px;
  border: 1px solid #cec5b7;
  border-radius: 8px;
  background: #fffefb;
}

.toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px;
  border: 1px solid #cec5b7;
  border-radius: 8px;
  background: #fffefb;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--vermilion);
}

.more-panel {
  border-top: 1px solid #e6ded2;
  padding-top: 2px;
}

.more-panel summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.more-panel[open] {
  display: grid;
  gap: 10px;
}

.upload input {
  width: 100%;
}

.library-tools {
  padding: 13px;
}

.font-list {
  display: grid;
  gap: 10px;
}

.font-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
  padding: 10px;
  border: 1px solid #d8d0c3;
  border-radius: 12px;
  background: rgba(255, 253, 248, 0.95);
  box-shadow: 0 8px 20px rgba(60, 48, 34, 0.08);
}

.font-card.active {
  border-color: var(--vermilion);
  box-shadow: 0 0 0 2px rgba(157, 47, 36, 0.14), 0 12px 24px rgba(60, 48, 34, 0.12);
}

.font-sample {
  display: grid;
  gap: 7px;
}

.font-sample canvas {
  display: block;
  width: 100%;
  height: 118px;
  border: 1px solid #cfc5b8;
  border-radius: 10px;
  background: #f8f3e8;
}

.font-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
}

.font-info strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.font-info small {
  color: var(--vermilion);
  font-size: 11px;
  white-space: nowrap;
}

.font-info button {
  min-height: 31px;
  padding: 0 10px;
  border-color: rgba(28, 34, 37, 0.24);
  background: #fff;
  color: var(--ink);
  font-size: 12px;
}

.bottom-nav {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid #d8d0c3;
  background: rgba(255, 253, 248, 0.94);
  backdrop-filter: blur(12px);
}

.bottom-nav button {
  border-color: #cec5b7;
  background: #fffefb;
  color: var(--ink);
}

.bottom-nav button.active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

@media (min-width: 860px) {
  .app {
    padding: 20px 18px calc(92px + env(safe-area-inset-bottom));
  }

  .preview-frame {
    height: 420px;
  }

  .font-list {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 520px) {
  .compact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .range-field {
    padding: 8px 7px;
  }

  .range-field span {
    display: grid;
    gap: 2px;
  }

  .actions {
    grid-template-columns: 1fr 92px;
  }

  .font-sample canvas {
    height: 108px;
  }
}

body.canvas-fullscreen {
  overflow: hidden;
}

body.canvas-fullscreen .app {
  width: 100%;
  padding: 0;
}

body.canvas-fullscreen .hero-bar,
body.canvas-fullscreen .bottom-nav,
body.canvas-fullscreen .text-field,
body.canvas-fullscreen .more-panel {
  display: none;
}

body.canvas-fullscreen #previewPage.active {
  display: block;
}

body.canvas-fullscreen .preview-panel {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: block;
  border: 0;
  border-radius: 0;
  padding: 0;
  background: #0f1415;
  box-shadow: none;
}

body.canvas-fullscreen .preview-panel::before,
body.canvas-fullscreen .preview-meta {
  display: none;
}

body.canvas-fullscreen .preview-frame {
  width: 100vw !important;
  height: 100vh !important;
  max-width: none;
  max-height: none;
  min-width: 0;
  min-height: 0;
  margin: 0;
  resize: none;
  border: 0;
  border-radius: 0;
}

body.canvas-fullscreen .canvas-corner-button {
  top: 12px;
  left: 12px;
  right: auto;
}

body.canvas-fullscreen .control-panel {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 70;
  width: min(330px, calc(100vw - 72px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  padding: 12px;
  background: rgba(255, 253, 248, 0.92);
  backdrop-filter: blur(14px);
}

body.canvas-fullscreen .actions {
  position: fixed;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  left: 12px;
  z-index: 72;
  display: grid;
  grid-template-columns: 1fr 92px;
}