@charset "UTF-8";

/* hidden 属性拥有最高权威性：凌驾于 .grid / .avatar-wrap 等的 display 设置，
   确保 Tab 切换时未激活面板真正隐藏 */
[hidden] {
  display: none !important;
}

:root {
  --bg: #fff5d3;
  --fg: #fff;
  --txt: #572e23;
  --txt-light: rgba(94, 50, 38, 0.9);
  --link: #b24a1f;
  --link-hover: #d55825;
  --header-txt: #7c4231;
  --preview-bg: #fffbf3;
  --canvas-bg: #fffbf3;
  --input-bg: #fff;
  --input-border: rgba(246, 184, 22, 0.5);
  --input-border-hover: rgba(246, 184, 22, 0.8);
  --input-border-focus: #f6b816;
  --input-track-bg: rgba(229, 194, 112, 0.25);
  --input-switch-bg: rgba(233, 203, 134, 0.25);
  --input-switch-bg-active: #fedc7d;
  --input-switch-fg: #feecba;
  --input-switch-fg-hover: #fee7a5;
  --btn-bg: #fedc7d;
  --btn-color: #943d1a;
  --btn-border: #f6b816;
  --btn-hover: #fed86e;
  --btn-focus: #fdcf4a;
  --btn-focus-outline: rgba(254, 220, 125, 0.5);
  --shadow-color: rgba(202, 143, 46, 0.4);
  --shadow: 0px 1px 2px var(--shadow-color);
  --accent: #d55825; /* 主题强调色（此前 4 处 var(--accent) 未定义，回退为不协调的蓝色） */
  --error: #ff6e3f;
}

body {
  font-size: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: var(--bg);
  color: var(--txt);
}

p {
  margin: 0.618em 0;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

img {
  max-width: 90%;
}

img:not([src]),
img[src=""] {
  display: none;
}

.error-message {
  font-weight: bold;
  color: var(--error);
}

input,
button,
.btn,
.control {
  border-radius: 0.328em;
  font-size: 0.95em;
  padding: 0.618em 1.232em;
  box-shadow: var(--shadow);
}
input:disabled,
button:disabled,
.btn:disabled,
.control:disabled {
  opacity: 0.8;
  pointer-events: none;
  touch-action: none;
  cursor: not-allowed;
}

.canvas {
  border: 2px solid var(--input-border);
  width: 100%;
  height: auto;
  background: var(--canvas-bg);
  image-rendering: pixelated;
}
.canvas {
  touch-action: none;
}

.canvas.adjust-mode {
  touch-action: none;
  cursor: grab;
  box-shadow: 0 0 5px var(--input-border);
}

.heading {
  margin: 0.238rem 0;
  font-weight: 700;
  font-size: 2.382em;
  color: var(--header-txt);
}

.content {
  padding: 0.618em 2.472em 1.236em;
  background-color: var(--fg);
  text-align: center;
}

.content-heading {
  font-weight: bold;
  margin: 0.618em 0 1em;
  text-align: center;
  color: var(--header-txt);
}

.row {
  margin: 0.5em 0 0.9em;
  text-align: left;
}

/* 行内间距占位与行间距微调（替代内联 style 属性） */
.spacer {
  width: 0.382em;
}

.row-spaced {
  margin-top: 0.8em;
}

.hint {
  margin: 0.618em 0;
  font-size: 0.75em;
  opacity: 0.85;
  color: var(--txt-light);
}

/* 头像操作提示：更醒目（加粗 + 浅底 + 左侧强调色边框），不使用 emoji */
.hint-strong {
  margin: 0.8em 0;
  padding: 0.7em 0.9em;
  font-size: 0.88em;
  font-weight: 600;
  line-height: 1.7;
  color: var(--txt);
  background: var(--preview-bg);
  border: 1px solid var(--input-border);
  border-left: 4px solid var(--btn-border);
  border-radius: 8px;
}

.help {
  font-size: 0.85em;
}

.control {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  outline: 0;
  padding-left: 1em;
}
.control:hover {
  border-color: var(--input-border-hover);
}
.control:focus {
  border-color: var(--input-border-focus);
}
.control-has-icon {
  padding-left: 0.55em;
}

.btn {
  cursor: pointer;
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  color: var(--btn-color);
  outline: 0;
  transition: background 250ms;
}
.btn:hover {
  background: var(--btn-hover);
}
.btn:active {
  background: var(--btn-focus);
}

.control-group {
  display: flex;
  width: 100%;
  align-items: center;
}
.control-group-s {
  min-width: 32.8%;
}
.control-group-l {
  flex-grow: 1;
}
/* 素材切换「上一个 / 下一个」强制等宽对称（覆盖上面的 min-width/flex-grow 不对称） */
#prevHat,
#nextHat {
  flex: 1;
}
#prevHat {
  margin-right: 0.5em;
}
.control-grouped-left {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
.control-grouped-right {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}
.control-grouped-center {
  border-radius: 0;
}

[type=range],
[type=checkbox] {
  box-shadow: none;
}

.control-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 0.618em;
  border-radius: 0.618em;
  background: var(--input-track-bg);
  box-shadow: inset 0 0 3px var(--shadow-color);
  outline: none;
  opacity: 0.8;
  transition: opacity 200ms;
}
.control-range:hover {
  opacity: 1;
}
.control-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  background: var(--input-switch-fg);
  border-radius: 50%;
  border: 1px solid var(--btn-border);
  box-shadow: var(--shadow);
  cursor: pointer;
  display: block;
  height: 1.236em;
  transition: scale 200ms;
  width: 1.236em;
}
.control-range::-webkit-slider-thumb:hover {
  transform: scale(1.1, 1.1);
}
.control-range::-moz-range-thumb {
  background: var(--input-switch-fg);
  border-radius: 50%;
  border: 1px solid var(--btn-border);
  box-shadow: var(--shadow);
  cursor: pointer;
  display: block;
  height: 1.236em;
  transition: scale 200ms;
  width: 1.236em;
}
.control-range::-moz-range-thumb:hover {
  transform: scale(1.1, 1.1);
}

.toggle-switch {
  --w: 3.25em;
  --h: calc(var(--w) / 2);
}
.toggle-switch.sm {
  --w: 2.5em;
}
.toggle-switch-control {
  width: var(--w);
  height: var(--h);
  position: relative;
  border-radius: var(--h);
  display: block;
  background: var(--input-switch-bg);
  box-shadow: inset 0 0 3px var(--shadow-color);
  transition: background 200ms ease-in;
  cursor: pointer;
}
.toggle-switch-control:after {
  content: "";
  width: var(--h);
  height: var(--h);
  display: block;
  background: var(--input-switch-fg);
  box-shadow: var(--shadow);
  border: 1px solid var(--btn-border);
  border-radius: 100%;
  position: absolute;
  top: 0;
  left: 0;
  transition: left 200ms ease-out, transform 500ms;
}
.toggle-switch-control:hover:after {
  transform: scale(1.1, 1.1);
}
.toggle-switch-input {
  appearance: none;
  visibility: hidden;
  width: 0px;
  height: 0px;
  padding: 0;
  margin: 0;
  position: absolute;
}
.toggle-switch-input:checked + .toggle-switch-control {
  background: var(--input-switch-bg-active);
}
.toggle-switch-input:checked + .toggle-switch-control:after {
  left: var(--h);
}

.drop-area {
  border-radius: 0.328em;
  cursor: pointer;
  display: block;
  outline-offset: -4px;
  outline: 1px dashed var(--input-border);
  transition: outline-offset 250ms;
}
.drop-area-input {
  padding: 0.5em;
}
.drop-area-file-input {
  display: none;
}
.drop-area-upload {
  margin-top: 1.2em;
  font-size: 0.8em;
  width: 100%;
  border-radius: 0.618em;
  border: 1px solid var(--input-border);
  padding: 0.328em;
  display: flex;
  align-items: center;
}
.drop-area-upload-btn {
  font-size: 1em;
  margin-right: 0.618em;
  flex-shrink: 0;
}
.drop-area-upload-filename {
  white-space: nowrap;
  text-overflow: ellipsis;
  display: inline-block;
  overflow: hidden;
}
.drop-area.highlight {
  outline-color: var(--input-border-hover);
  outline-offset: -10px;
}

.preview-image {
  object-fit: contain;
  width: 128px;
  height: 128px;
}
.preview-image-container {
  margin: 0;
  padding: 0.618em;
  text-align: center;
  border-radius: 0.328em;
  background: var(--preview-bg);
}

@media only screen and (max-width: 40em) {
  .content-heading {
    padding: 0 0 0.618em;
  }

  .heading {
    margin: 0.5em 0;
  }

  .row {
    margin: 1.5em 0;
  }

  .control-group-s {
    min-width: 25%;
  }
}

/* ===== 顶部功能切换 Tab ===== */
.tabs {
  display: flex;
  justify-content: center;
  gap: 0.4em;
  margin: 1.618em auto 0;
  max-width: 32em;
  padding: 0.3em;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--input-border);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.tab {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--txt-light);
  font-size: 0.95em;
  font-weight: 600;
  padding: 0.55em 1em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 250ms, color 250ms, box-shadow 250ms;
  box-shadow: none;
  white-space: nowrap;
}

.tab:hover {
  color: var(--header-txt);
}

.tab.is-active {
  background: linear-gradient(135deg, #f6b816, #d55825);
  color: #fff;
  box-shadow: 0 2px 6px var(--shadow-color);
}

/* ===== 头像换装页专用布局 ===== */
.avatar-wrap {
  margin: 0 auto;
  max-width: 32em;
  padding: 0 0.618em;
}

.avatar-wrap .header {
  text-align: center;
  padding: 0.618em 0.618em 1.25em;
}

.avatar-canvas-box {
  width: 100%;
  max-width: 300px;
  margin: 0.618em auto 0;
}

.avatar-canvas-box .canvas-container {
  margin: 0 auto;
  border: 2px solid var(--input-border);
  border-radius: 0.328em;
  overflow: hidden;
  background: var(--canvas-bg);
  box-shadow: var(--shadow);
}

.avatar-canvas-box canvas {
  display: block;
  touch-action: none;
}

.step-num {
  color: var(--accent, #4a90d9);
}


/* ===== 以下由 index.html 内联 <style> 迁移而来（保持原有覆盖顺序语义） ===== */
*, *::before, *::after { box-sizing: border-box; }
    html { -webkit-text-size-adjust: 100%; }
    body { margin: 0; }
    h1, h2, h3, p, figure, fieldset { margin: 0; }
    img { border: 0; }
    button, input, select, textarea { font: inherit; color: inherit; margin: 0; }
    button { background: none; cursor: pointer; }
    a { color: inherit; }

    :root {
      font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }

    .grid {
      margin: 0 auto;
      max-width: 48em;
      display: grid;
      grid-template-columns: 38.2% 61.8%;
      grid-template-areas:
        "header  header"
        "preview upload"
        "preview output";
    }

    .header {
      grid-area: header;
      text-align: center;
      padding: 0.618em 0.618em 1.25em;
    }

    .header .subtitle {
      font-size: 0.9em;
      color: var(--txt-light);
      margin-top: 0.3em;
    }

    .header .disclaimer {
      font-size: 0.8em;
      color: var(--txt-light);
      opacity: 0.85;
      margin-top: 0.6em;
      line-height: 1.5;
    }

    .header .disclaimer a {
      color: var(--accent, #4a90d9);
      text-decoration: none;
    }

    .header .disclaimer a:hover {
      text-decoration: underline;
    }

    .footer {
      text-align: center;
      padding: 1.25em 1em 2.5em;
      font-size: 0.8em;
      display: flex;
      gap: 0.8em;
      justify-content: center;
      flex-wrap: wrap;
    }

    .footer a {
      display: inline-flex;
      align-items: center;
      gap: 0.4em;
      padding: 0.35em 0.9em;
      border: 1px solid var(--input-border, rgba(0, 0, 0, 0.15));
      border-radius: 999px;
      color: var(--txt-light);
      text-decoration: none;
      transition: border-color 0.2s, color 0.2s;
    }

    .footer a:hover {
      border-color: var(--accent, #4a90d9);
      color: var(--accent, #4a90d9);
    }

    .preview {
      grid-area: preview;
      border-top-left-radius: 0.618em;
      border-bottom-left-radius: 0.618em;
      padding-right: 0;
    }

    .upload {
      grid-area: upload;
      border-top-right-radius: 0.618em;
    }

    .output {
      grid-area: output;
      border-bottom-right-radius: 0.618em;
    }

    .preview-canvas {
      margin: 0 auto 2.312em;
      max-width: 200px;
    }

    .preview-playback {
      display: flex;
    }

    .preview-playback .btn {
      border-top-right-radius: 0;
      border-top-left-radius: 0;
      flex-grow: 1;
    }

    .btn-playback-playpause.paused .btn-playback-pause,
    .btn-playback-playpause:not(.paused) .btn-playback-play {
      display: none;
    }

    .export-row {
      margin-top: 1.75em;
    }

    .output-info {
      color: var(--txt-light);
    }

    img[src]+.output-info {
      margin-top: 1em;
    }

    fieldset {
      padding: 0;
      margin: 0;
      border: 0;
    }

    /* 内联 SVG 图标（替代外部图标字体） */
    .icon {
      width: 1.25em;
      height: 1.25em;
      display: inline-block;
      vertical-align: middle;
      fill: currentColor;
      stroke: currentColor;
      stroke-width: 0;
    }

    @media only screen and (max-width: 40em) {
      .grid {
        grid-template-columns: 100%;
        grid-template-areas:
          "header"
          "upload"
          "preview"
          "output";
      }

      .header,
      .content {
        padding: 1.618em 8%;
        border-radius: 0;
      }

      .preview {
        padding-left: 16%;
        padding-right: 16%;
      }

      .content,
      .output {
        border-top: 1px solid var(--input-border);
      }

      .export-row {
        margin-top: 2.5em;
      }
    }