/* ==========================================================
   晴空图床 · 样式
   设计语言：暖纸色底 + 橙色主调 + 44px 网格 + 玻璃卡片
   ========================================================== */

:root{
  --bg:#f7f5f0;--bg2:#efece3;--card:#ffffffd9;--fg:#1b1915;--fg2:#4f4b43;--muted:#6b655a;
  --line:#00000014;--line2:#00000026;--accent:#f6821f;--accent2:#dc5a0a;--accent-soft:#f6821f1a;
  --ok:#17935c;--warn:#b07d0a;--err:#c9402f;--shadow:0 14px 34px -18px #3a2a1040;
  --serif:Georgia,"Songti SC","Times New Roman",serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --glow1:#f6821f30;--glow2:#f6821f16;
}
html[data-theme="dark"]{
  --bg:#0e0d0b;--bg2:#181611;--card:#1b1914d9;--fg:#f3efe7;--fg2:#c3bfb4;--muted:#9d9686;
  --line:#ffffff17;--line2:#ffffff2b;--accent-soft:#f6821f29;--shadow:0 16px 40px -16px #000b;
  --glow1:#f6821f26;--glow2:#f6821f12;
}
@media (prefers-color-scheme:dark){
  html:not([data-theme="light"]){
    --bg:#0e0d0b;--bg2:#181611;--card:#1b1914d9;--fg:#f3efe7;--fg2:#c3bfb4;--muted:#9d9686;
    --line:#ffffff17;--line2:#ffffff2b;--accent-soft:#f6821f29;--shadow:0 16px 40px -16px #000b;
    --glow1:#f6821f26;--glow2:#f6821f12;
  }
}

*{box-sizing:border-box}
html{color-scheme:light dark;scroll-behavior:smooth}
body{
  margin:0;color:var(--fg);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh;
  background-color:var(--bg);
  background-image:
    radial-gradient(800px 420px at 80% -8%, var(--glow1), transparent 62%),
    radial-gradient(600px 360px at -8% 6%, var(--glow2), transparent 62%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:auto,auto,44px 44px,44px 44px;
  background-attachment:fixed;
}
a{color:var(--accent2)}
code.inline{font-family:var(--mono);font-size:12.5px;background:var(--accent-soft);color:var(--accent2);
  padding:1px 6px;border-radius:5px;word-break:break-all}
kbd{font-family:var(--mono);font-size:11px;border:1px solid var(--line2);border-bottom-width:2px;
  border-radius:5px;padding:1px 5px;background:var(--bg2);color:var(--fg2)}

.shell{max-width:940px;margin:0 auto;padding:0 20px 72px}

/* ---------- 顶栏 ---------- */
.notice{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;text-align:center;font-size:13px;padding:8px 16px}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 0 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px}
.brand .logo{width:34px;height:34px;flex:none;border-radius:9px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.35}
.brand-text strong{font-weight:800;font-size:16px;letter-spacing:-.2px}
.brand-text span{font-size:11px;color:var(--muted)}
.tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
a.chip{text-decoration:none;display:inline-flex;align-items:center}
.chip{background:transparent;border:1px solid var(--line);color:var(--fg2);border-radius:9px;
  padding:6px 12px;font:inherit;font-size:12.5px;cursor:pointer;transition:.15s}
.chip:hover{border-color:var(--line2);color:var(--fg)}

/* ---------- 首屏 ---------- */
.hero{padding:42px 0 22px}
h1{font-weight:800;font-size:clamp(28px,5.6vw,46px);line-height:1.14;letter-spacing:-1.2px;margin:0 0 14px}
h1 em{font-style:normal;background:linear-gradient(120deg,var(--accent),#ffb15a 52%,var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.sub{margin:0;max-width:60ch;color:var(--fg2);font-size:14.5px;line-height:1.75}

/* ---------- 状态条 ---------- */
.status-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:14px;padding:13px 17px;margin-bottom:20px}
.status-left{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--fg2)}
.status-left i{width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;
  box-shadow:0 0 0 3px #17935c22;animation:pulse 2.4s infinite}
.status-left i.warn{background:var(--warn);box-shadow:0 0 0 3px #b07d0a22}
.status-left i.err{background:var(--err);box-shadow:0 0 0 3px #c9402f22}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.status-right{display:flex;align-items:center;gap:12px;flex:1 1 220px;max-width:320px;min-width:180px}
.bar{flex:1;height:4px;border-radius:99px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));
  border-radius:99px;transition:width .6s}
.status-right span{font-size:11.5px;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---------- 卡片 ---------- */
.card{background:var(--card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:16px;padding:20px 22px;box-shadow:var(--shadow)}
.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.card h2{font-weight:700;font-size:16px;letter-spacing:-.2px;margin:0}
.card-head .hint{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- 拖拽区 ---------- */
.dropzone{position:relative;border:1.5px dashed var(--line2);border-radius:14px;background:var(--bg2);
  padding:34px 20px;text-align:center;cursor:pointer;transition:.18s;outline:none}
.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent);background:var(--accent-soft)}
.dropzone.drag{border-color:var(--accent);background:var(--accent-soft);transform:scale(1.005);
  box-shadow:0 0 0 4px var(--accent-soft)}
.dz-ico{width:42px;height:42px;color:var(--accent);margin-bottom:6px}
.dz-title{margin:0 0 4px;font-size:15px;font-weight:700;letter-spacing:-.2px}
.dz-sub{margin:0 0 10px;font-size:12.5px;color:var(--muted)}
.dz-formats{margin:0;font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.04em;opacity:.8}

/* ---------- 开关 ---------- */
.opts{display:flex;gap:22px;flex-wrap:wrap;margin-top:14px}
.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer;user-select:none}
.switch input{position:absolute;opacity:0;width:0;height:0}
.track{width:36px;height:20px;border-radius:99px;background:var(--line2);position:relative;transition:.2s;flex:none}
.knob{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;
  transition:.2s;box-shadow:0 1px 3px #0003}
.switch input:checked + .track{background:linear-gradient(135deg,var(--accent),var(--accent2))}
.switch input:checked + .track .knob{transform:translateX(16px)}
.switch input:focus-visible + .track{box-shadow:0 0 0 3px var(--accent-soft)}
.switch-label{font-size:13px;color:var(--fg2);display:flex;flex-direction:column;line-height:1.35}
.switch-label small{font-size:11px;color:var(--muted)}

/* ---------- 上传队列 ---------- */
.queue{display:flex;flex-direction:column;gap:9px;margin-top:16px}
.queue:empty{display:none}
.fitem{display:flex;align-items:center;gap:12px;background:var(--bg2);border:1px solid var(--line);
  border-radius:12px;padding:10px 12px;animation:fade .22s;overflow:hidden}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.fthumb{width:46px;height:46px;border-radius:9px;object-fit:cover;flex:none;background:var(--line);display:block}
.fthumb.ph{display:grid;place-items:center;color:var(--muted);font-size:10px;font-family:var(--mono)}
.fbody{flex:1;min-width:0}
.fname{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fmeta{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--muted);margin-top:2px;
  font-variant-numeric:tabular-nums}
.fbar{height:3px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:7px}
.fbar i{display:block;height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .2s}
.fitem.done .fbar i{background:var(--ok)}
.fitem.error{border-color:#c9402f55;background:#c9402f0d}
.fitem.error .fbar i{background:var(--err)}
.fstate{font-size:11px;font-weight:700;padding:3px 9px;border-radius:6px;flex:none;letter-spacing:.02em;
  background:var(--accent-soft);color:var(--accent2)}
.fstate.ok{background:#e3f0e7;color:#1a6b45}
.fstate.bad{background:#f7e4e0;color:#b03a2a}
html[data-theme="dark"] .fstate.ok{background:#1c3325;color:#8fd6a8}
html[data-theme="dark"] .fstate.bad{background:#39231f;color:#e8927c}
.fcopy{border:1px solid var(--line2);background:transparent;color:var(--fg2);border-radius:8px;
  padding:5px 11px;font:inherit;font-size:11.5px;cursor:pointer;flex:none;transition:.15s}
.fcopy:hover{border-color:var(--accent);color:var(--accent2)}
.ferr{font-size:11.5px;color:var(--err);margin-top:4px;line-height:1.5}

/* ---------- 结果链接行 ---------- */
.fitem.done .flinks{display:flex;align-items:center;gap:6px;margin-top:8px;flex-wrap:wrap}
.flinks{display:none}
.linkbox{flex:1 1 220px;min-width:0;display:flex;align-items:center;gap:6px;background:var(--bg);
  border:1px solid var(--line);border-radius:8px;padding:0 4px 0 9px;height:31px}
.linkbox input{flex:1;min-width:0;border:0;background:transparent;color:var(--fg2);font-family:var(--mono);
  font-size:11.5px;outline:none;padding:0;height:100%}
.lfmt{display:flex;gap:2px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:2px;height:31px}
.lfmt button{border:0;background:transparent;color:var(--muted);font:inherit;font-size:11px;
  padding:0 8px;border-radius:6px;cursor:pointer;transition:.15s}
.lfmt button.on{background:var(--card);color:var(--fg);box-shadow:0 1px 2px #0000000f}
html[data-theme="dark"] .lfmt button.on{box-shadow:0 1px 2px #00000060}

/* ---------- 底部操作 ---------- */
.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px}
.actions[hidden]{display:none}
.actions-note{font-size:11.5px;color:var(--muted);margin-left:auto}
button.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:0;border-radius:10px;
  padding:10px 22px;font:inherit;font-size:13.5px;font-weight:700;cursor:pointer;transition:.15s;
  box-shadow:0 8px 18px -10px var(--accent2)}
button.primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px -9px var(--accent2)}
button.primary:disabled{opacity:.45;cursor:default;transform:none}
button.ghost{background:transparent;color:var(--fg2);border:1px solid var(--line);border-radius:8px;
  padding:6px 13px;font:inherit;font-size:12.5px;cursor:pointer;transition:.15s}
button.ghost:hover{border-color:var(--line2);color:var(--fg)}
button.ghost:disabled{opacity:.4;cursor:default}

/* ---------- 区块 ---------- */
.sec{margin-top:46px}
.sec h2{font-weight:800;font-size:19px;margin:0 0 16px;letter-spacing:-.4px}
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.sec-head h2{margin-bottom:0}
.sec-note{margin:8px 0 14px;font-size:12px;color:var(--muted)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.step{background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:16px;padding:18px}
.step .n{width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent2);
  font-weight:700;font-size:12.5px;display:grid;place-items:center;margin-bottom:10px}
.step b{display:block;margin-bottom:4px;font-size:13.5px}
.step p{margin:0;font-size:12.5px;color:var(--muted);line-height:1.7}

.faq details{background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:14px;margin-bottom:9px;padding:0 17px}
.faq summary{cursor:pointer;padding:13px 0;font-size:13.5px;font-weight:500;list-style:none;
  display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:18px;line-height:1;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 13px;color:var(--muted);font-size:12.5px;line-height:1.75}

/* ---------- 历史 ---------- */
.hgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.hcell{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:.15s;position:relative}
.hcell:hover{border-color:var(--line2);transform:translateY(-1px);box-shadow:var(--shadow)}
.hcell img{width:100%;height:96px;object-fit:cover;display:block;background:var(--bg2);cursor:pointer}
.hcell .hmeta{padding:7px 9px;font-size:10.5px;color:var(--muted);white-space:nowrap;overflow:hidden;
  text-overflow:ellipsis;font-variant-numeric:tabular-nums}
.hcell .hact{position:absolute;top:6px;right:6px;display:flex;gap:4px;opacity:0;transition:.15s}
.hcell:hover .hact{opacity:1}
.hcell .hact button{border:0;border-radius:7px;background:#000000a6;color:#fff;
  font:inherit;font-size:10.5px;padding:3px 8px;cursor:pointer;transition:.15s}
.hcell .hact button:hover{background:var(--accent2)}
.hcell .hact button:disabled{opacity:.5;cursor:default}
.empty{padding:30px 20px;text-align:center;color:var(--muted);background:var(--card);
  border:1px dashed var(--line2);border-radius:14px;font-size:13px;line-height:1.7}

/* ---------- 页脚 ---------- */
.foot{margin-top:56px;padding-top:30px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr;gap:32px}
.foot-col strong{font-weight:800;font-size:15px;display:block;margin-bottom:9px}
.foot-col h4{font-size:11px;font-weight:600;color:var(--muted);margin:0 0 11px;letter-spacing:.06em}
.foot-col p{margin:0;font-size:11.5px;color:var(--muted);line-height:1.85;max-width:38ch}
.foot-col a{display:block;font-size:12.5px;color:var(--fg2);text-decoration:none;padding:4px 0;transition:color .15s}
.foot-col a:hover{color:var(--accent2)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:30px;
  padding-top:18px;border-top:1px solid var(--line);font-size:11.5px;color:var(--muted)}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,18px);opacity:0;
  background:var(--fg);color:var(--bg);padding:10px 18px;border-radius:11px;font-size:13px;
  pointer-events:none;transition:.25s;z-index:9;max-width:88vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media (max-width:640px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .foot-about{grid-column:1/-1}
}
@media (max-width:560px){
  .shell{padding:0 16px 56px}
  .hero{padding-top:28px}
  .card{padding:17px 16px}
  .dropzone{padding:26px 14px}
  .opts{gap:14px}
  .lfmt button{padding:0 6px;font-size:10.5px}
  .actions-note{margin-left:0;flex:1 1 100%}

  /* 顶栏：品牌独占一行，操作按钮换到下一行整齐排列 */
  .top{flex-wrap:wrap;row-gap:10px}
  .brand{flex:1 1 auto;min-width:0}
  .brand-text strong{font-size:15px}
  .tools{flex:1 1 100%;justify-content:flex-start;gap:6px}
  .chip{padding:6px 10px;font-size:12px}

  /* 状态条：文字一行、进度条独占一行 */
  .status-bar{gap:10px}
  .status-left{font-size:12px;line-height:1.5}
  .status-right{flex:1 1 100%;max-width:none;min-width:0}

  /* 上传卡片：链接框独占一行，格式切换与复制按钮同一行 */
  .fitem{gap:9px;padding:9px 10px}
  .fthumb{width:40px;height:40px}
  .linkbox{flex:1 1 100%}
  .lfmt{flex:1 1 auto;justify-content:space-between}
  .fcopy{flex:none}
  .actions{gap:8px}
  button.primary{padding:10px 16px;font-size:13px}
}