:root {
  --bg: #0f1115;
  --panel: #1a1d24;
  --panel-2: #232733;
  --text: #e6e8ec;
  --muted: #9aa0ab;
  --accent: #4f8cff;
  --accent-2: #2d6cdf;
  --border: #2c3038;
  --danger: #ff6b6b;
  --ok: #46d18a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ===== App 壳：PC 侧边栏 / 移动底栏（双形态自适应） ===== */
.shell { min-height: 100vh; }

.topbar {
  position: fixed; top: 0; left: 0;
  width: 248px; height: 60px;
  display: flex; align-items: center;
  padding: 0 16px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  z-index: 60;
}
.topbar h1 {
  margin: 0; font-size: 15px; font-weight: 700; line-height: 1.2;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  padding-right: 66px;
}
.topbar .sub { display: none; }

.tabs {
  position: fixed; top: 60px; left: 0; bottom: 0;
  width: 248px;
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 10px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 50;
}
.tab {
  display: flex; align-items: center; gap: 10px;
  background: transparent; color: var(--muted);
  border: 1px solid transparent; border-radius: 10px;
  padding: 11px 12px; cursor: pointer;
  font-size: 14px; text-align: left; line-height: 1.2;
}
.tab .ico { font-size: 18px; line-height: 1; flex: 0 0 auto; }
.tab .lbl { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tab:hover { background: var(--panel); color: var(--text); }
.tab.active { background: var(--accent-2); color: #fff; border-color: var(--accent); }

.content {
  margin-left: 248px;
  padding: 28px 32px 60px;
  max-width: 1100px;
}
.site-footer {
  margin-left: 248px;
  padding: 4px 32px 24px;
  color: var(--muted);
  font-size: 12px;
}
.site-footer a { color: var(--accent); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .sep { color: var(--border); }
.panel { display: none; }
.panel.active { display: block; }
.panel h2 { margin-top: 0; font-size: 18px; }
.hint { color: var(--muted); font-size: 13px; margin-top: -6px; }
.hint-inline { color: var(--muted); font-size: 12px; }

.row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 12px 0; }
.row label { font-size: 13px; color: var(--muted); }

input[type="file"] {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 13px;
}
select, input[type="number"] {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--text);
  font-size: 13px;
}
input[type="range"] { accent-color: var(--accent); }

/* file input 视觉改写（i18n.js 注入 .file-wrap） */
/* 仅未改写过的原生 file input 隐藏；改写后 input 由 i18n 注入的 inline 样式绝对定位覆盖 */
input[type="file"]:not([data-i18n-rewritten]) { display: none; }
.file-wrap {
  display: inline-flex; align-items: center; gap: 10px;
  background: #1a1d24; border: 1px solid #2c3038; border-radius: 8px;
  padding: 7px 14px; color: #e6e8eb; font-size: 14px; cursor: pointer;
  position: relative; user-select: none; min-height: 36px;
  width: 100%; max-width: 420px;
}
.file-wrap:hover { border-color: var(--accent); }
.file-wrap .file-label { color: #e6e8eb; font-weight: 500; }
.file-wrap .file-name { color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 英文环境字体回退到系统 sans（避免 CJK 字体在拉丁文上变粗） */
[lang="en"] body, [lang="en"] input, [lang="en"] select, [lang="en"] textarea, [lang="en"] button,
[lang="en"] .file-wrap, [lang="en"] .tab, [lang="en"] h1, [lang="en"] h2, [lang="en"] .btn, [lang="en"] label, [lang="en"] .row {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.btn {
  background: var(--accent-2);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { background: var(--accent); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn-danger { background: var(--danger); font-weight: 600; }
.btn-danger:hover { background: #c0392b; }

.preview { margin-top: 16px; position: relative; display: inline-block; max-width: 100%; }
.preview img, .preview canvas { max-width: 100%; border: 1px solid var(--border); border-radius: 0; background:
  repeating-conic-gradient(#2a2e38 0% 25%, #20242c 0% 50%) 50% / 20px 20px; }
#idphoto-canvas-wrap { display: none; } /* 预览区：生成前隐藏，renderPreview 时显示 */
#idphoto-canvas { cursor: grab; touch-action: none; display: block; background: var(--panel-2); }
#idphoto-canvas:active { cursor: grabbing; }
#idphoto-preview-img { position: absolute; left: 0; top: 0; display: none; pointer-events: none; background: var(--panel-2); }
#idphoto-overlay { position: absolute; left: 0; top: 0; pointer-events: none; background: transparent; }
label.mini { font-size: 12px; color: var(--muted); margin-left: 12px; }

/* 证件照大图预览弹窗 */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.72); backdrop-filter: blur(2px); }
.modal-box {
  position: relative; z-index: 1; width: min(92vw, 880px); max-height: 94vh;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 18px 60px rgba(0,0,0,0.5);
}
.modal-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--panel-2); }
.modal-title { font-size: 13px; color: var(--muted); }
.modal-tools { display: flex; align-items: center; gap: 8px; }
.modal-tools #idphoto-zoom-pct { font-size: 12px; color: var(--muted); min-width: 46px; text-align: center; }
.modal-stage {
  position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center;
  min-height: 340px; max-height: calc(94vh - 56px);
  background: repeating-conic-gradient(#2a2e38 0% 25%, #20242c 0% 50%) 50% / 22px 22px;
  cursor: grab; touch-action: none;
}
.modal-stage:active { cursor: grabbing; }
.modal-stage img { max-width: none; display: block; transform-origin: center center; user-select: none; -webkit-user-drag: none; }

/* 合规检测面板 */
#idphoto-compliance { margin-top: 10px; font-size: 13px; }
.comp-banner { padding: 6px 10px; border-radius: 4px; font-weight: 600; margin-bottom: 8px; }
.comp-pass { background: rgba(46,158,91,0.18); color: #5fd08a; }
.comp-warn { background: rgba(217,130,43,0.18); color: #e7a85a; }
.comp-fail { background: rgba(214,69,69,0.18); color: #f08a8a; }
.comp-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--border); border-radius: 4px; overflow: hidden; }
.comp-list li { display: grid; grid-template-columns: 18px 1fr auto; gap: 6px; align-items: baseline; padding: 5px 10px; border-bottom: 1px solid var(--border); }
.comp-list li:last-child { border-bottom: none; }
.comp-dot { font-size: 13px; }
.comp-ok .comp-dot { color: #5fd08a; }
.comp-warn .comp-dot { color: #e7a85a; }
.comp-fail .comp-dot { color: #f08a8a; }
.comp-label { color: var(--text); }
.comp-val { color: var(--muted); font-variant-numeric: tabular-nums; }
.comp-advice { grid-column: 2 / 4; color: #e7a85a; font-size: 12px; margin-top: 2px; }
.comp-self { margin-top: 8px; color: var(--muted); font-size: 12px; }
.comp-self-title { margin-bottom: 4px; }
.comp-tag { display: inline-block; border: 1px solid var(--border); border-radius: 10px; padding: 1px 8px; margin: 0 4px 4px 0; }
.comp-note { margin-top: 8px; color: var(--muted); font-size: 12px; border-left: 3px solid var(--accent); padding-left: 8px; }
.preview-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}
.preview-grid .tile {
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
  background: #20242c;
}
.preview-grid .tile img { width: 100%; display: block; }

.stat { color: var(--muted); font-size: 13px; margin: 8px 0; }
.stat b { color: var(--text); }

.canvas-wrap { position: relative; margin-top: 12px; display: inline-block; }
.canvas-wrap canvas { position: absolute; left: 0; top: 0; }
#wm-image { position: relative !important; }
#wm-mask { cursor: crosshair; }

/* 全局错误横幅：任何脚本运行时错误都可见，不再静默失败 */
#err-banner {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--danger);
  color: #fff;
  font-size: 13px;
  padding: 10px 16px;
  white-space: pre-wrap;
  box-shadow: 0 2px 10px rgba(0,0,0,.4);
}
#err-banner.show { display: block; }

/* 裁剪状态行：成功/提示/错误用不同颜色 */
#crop-status { min-height: 18px; }
#crop-status.ok { color: var(--ok); }
#crop-status.warn { color: #ffd166; }
#crop-status.err { color: var(--danger); }

/* 拼接：缩略图列表（可一张张添加/删除/排序） */
.thumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}
.thumb {
  position: relative;
  width: 110px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
}
.thumb-idx {
  position: absolute;
  top: 4px; left: 4px;
  background: var(--accent-2);
  color: #fff;
  font-size: 12px;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: 9px;
  padding: 0 5px;
  z-index: 2;
}
.thumb-img {
  width: 100%;
  height: 70px;
  object-fit: contain;
  display: block;
  background: repeating-conic-gradient(#2a2e38 0% 25%, #20242c 0% 50%) 50% / 16px 16px;
  border-radius: 4px;
}
.thumb-bar {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  margin-top: 6px;
}
.thumb-btn {
  flex: 1;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 0;
  cursor: pointer;
  font-size: 13px;
}
.thumb-btn:hover:not(:disabled) { background: var(--accent-2); color: #fff; }
.thumb-btn:disabled { opacity: .4; cursor: not-allowed; }
.thumb-btn.danger:hover:not(:disabled) { background: var(--danger); color: #fff; }

/* 模型加载进度条（去背景 / 去水印） */
.progress {
  width: 100%;
  height: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: 10px 0 4px;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 6px;
  transition: width 0.15s ease;
}
.progress-bar.indeterminate {
  width: 40% !important;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  animation: progress-indet 1.1s ease-in-out infinite;
}
@keyframes progress-indet {
  0%   { margin-left: -40%; }
  100% { margin-left: 100%; }
}

/* 证件照美化滤镜 */
.filter-block { border-top: 1px dashed var(--border); margin-top: 8px; padding-top: 8px; }
.filter-presets { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { border: 1px solid var(--border); background: var(--panel-2); color: var(--text); padding: 4px 12px; border-radius: 999px; font-size: 13px; cursor: pointer; line-height: 1.4; }
.chip:hover { background: var(--accent-2); color: #fff; border-color: var(--accent-2); }
.chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.fv { min-width: 30px; text-align: right; color: var(--text-muted, #64748b); font-size: 12px; }

/* 马赛克涂抹层（叠加在预览画布上；默认不拦截指针，进入涂抹模式后可画） */
#idphoto-mosaic { position: absolute; left: 0; top: 0; pointer-events: none; touch-action: none; cursor: crosshair; background: transparent; }
#idphoto-mosaic.painting { pointer-events: auto; }
#idphoto-mosaic-paint.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* EXIF 信息面板（隐私展示） */
.exif-box-wrap { margin-top: 8px; font-size: 12px; }
.exif-box { background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; display: inline-block; max-width: 100%; }
.exif-box .exif-title { color: var(--muted); margin-bottom: 4px; }
.exif-row { display: flex; gap: 10px; justify-content: space-between; line-height: 1.7; }
.exif-row span { color: var(--muted); }
.exif-row b { color: var(--text); font-weight: 500; }
.exif-none { color: var(--muted); font-size: 12px; }

/* ---- 上线前重构（审计修复）：主 Tab / 隐私徽章 / 分区折叠 / 子 Tab / 隔离横幅 ---- */

/* 锚点产品 Tab：置顶高亮 */
.tab-main { font-weight: 700; border: 1px solid var(--accent); background: rgba(77,140,255,.12); }
.tab-main.active { background: var(--accent-2); border-color: var(--accent); }
.tab-main:not(.active):hover { background: rgba(77,140,255,.22); color: #fff; }

/* 隐私/卖点徽章行 */
.privacy-badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 14px; }
.privacy-badges .pb {
  font-size: 12px; color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; line-height: 1.5;
}

/* 分区折叠（details） */
.idp-details {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  margin: 10px 0; padding: 0 14px; overflow: hidden;
}
.idp-details summary {
  cursor: pointer; padding: 11px 0; font-size: 14px; font-weight: 600; color: #cfd6e0;
  list-style: none; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
}
.idp-details summary::-webkit-details-marker { display: none; }
.idp-details summary::before { content: "▸"; color: var(--accent); font-size: 12px; transition: transform .15s; }
.idp-details[open] summary::before { transform: rotate(90deg); }
.idp-details summary .d-hint { font-weight: 400; color: var(--muted); font-size: 12px; }
.idp-details[open] { padding-bottom: 12px; }

/* 高级区子 Tab */
.idp-subtabs { display: flex; gap: 6px; margin: 4px 0 10px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.istab {
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 14px; cursor: pointer; font-size: 13px;
}
.istab.active { background: var(--accent-2); color: #fff; border-color: var(--accent); }
.idp-sub { display: none; }
.idp-sub.active { display: block; }

/* file:// 隔离引导横幅 */
#isolate-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9998;
  background: #3b2d10; color: #ffd9a0; font-size: 13px; padding: 10px 16px;
  border-bottom: 1px solid #6b521c; box-shadow: 0 2px 10px rgba(0,0,0,.35);
  line-height: 1.7;
}
#isolate-banner b { color: #ffcf7a; }
#isolate-banner code { background: rgba(255,255,255,.12); padding: 1px 6px; border-radius: 4px; }
#isolate-banner .ib-close {
  float: right; background: transparent; color: #ffd9a0; border: 1px solid #6b521c;
  border-radius: 6px; padding: 2px 10px; cursor: pointer; font-size: 12px; margin-left: 10px;
}
#isolate-banner .ib-close:hover { background: rgba(255,255,255,.1); }

/* ---- 响应式：移动端双形态（≤840 切到底部 Tab 栏） ---- */
@media (max-width: 840px) {
  .topbar {
    width: auto; right: 0; height: 52px;
    border-right: none; padding: 0 14px;
  }
  .topbar h1 { font-size: 15px; padding-right: 60px; }
  .tabs {
    top: auto; bottom: 0; left: 0; right: 0; width: auto;
    flex-direction: row; justify-content: space-around; align-items: stretch;
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
    background: var(--panel); border-right: none;
    border-top: 1px solid var(--border);
    overflow-x: auto; scrollbar-width: none;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab {
    flex: 1 1 0; flex-direction: column; gap: 3px;
    padding: 5px 4px; font-size: 10px;
    justify-content: center; align-items: center;
    text-align: center; white-space: nowrap;
    border: none; border-radius: 10px;
  }
  .tab .ico { font-size: 20px; }
  .tab .lbl { font-size: 10px; max-width: 66px; }
  .content {
    margin-left: 0;
    padding: 64px 14px calc(78px + env(safe-area-inset-bottom));
    max-width: 100%;
  }
  .site-footer {
    margin-left: 0;
    padding: 4px 14px calc(82px + env(safe-area-inset-bottom));
  }
  .privacy-badges { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .topbar { padding: 0 12px; }
  .topbar h1 { font-size: 14px; }
  .content { padding: 58px 12px calc(74px + env(safe-area-inset-bottom)); }
  .panel h2 { font-size: 16px; }
  .hint { font-size: 12px; }
  .row { flex-direction: column; align-items: stretch; gap: 8px; margin: 10px 0; }
  .row label { font-size: 12px; }
  .row > input[type="range"], .row > input[type="number"], .row > select, .row > input[type="text"], .row > input[type="color"] { width: 100%; }
  .row > input[type="file"] { width: 100%; }
  .btn { width: 100%; text-align: center; }
  .btn.small { width: auto; }
  .privacy-badges .pb { font-size: 11px; padding: 3px 8px; }
  .idp-details { padding: 0 10px; }
  .idp-details[open] { padding-bottom: 10px; }
  .idp-details summary { font-size: 13px; }
  .idp-subtabs { flex-wrap: wrap; }
  .preview, .preview-grid { max-width: 100%; }
  .filter-presets { gap: 4px; }
  .chip { font-size: 12px; padding: 3px 10px; }
  .fv { min-width: 24px; }
  .thumb { width: 96px; }
  .modal-box { width: 96vw; }
}