/* ============================================================
   PDF 工具箱 · 与门户 home / vx 同一套设计 token（暖奶油 + 象牙白 + 墨黑 + 陶土）
   ============================================================ */
:root{
  --bg:#F5F2EC;
  --card:#FDFCF9;
  --card-2:#F8F5EE;
  --wash:#F3EFE6;
  --wash-2:#EAE4D8;
  --ink:#1B1917;
  --ink-2:#2A2620;
  --ink-3:#3D3831;
  --muted:#6E6860;
  --muted-2:#847D73;
  --muted-3:#9C958A;
  --line:rgba(35,30,24,.075);
  --line-2:rgba(35,30,24,.14);
  --accent:#B25A3C;
  --accent-deep:#9E4C31;
  --accent-wash:#FAF0EA;
  --btn:#1B1917;
  --ok:#4E6F52;
  --ok-wash:#EEF3EA;
  --warn:#B5732C;
  --warn-wash:#FBF3E6;
  --danger:#B4453C;
  --danger-wash:#FBEEEC;
  --shadow-1:0 1px 2px rgba(35,30,24,.04),0 14px 32px -20px rgba(35,30,24,.30);
  --shadow-2:0 2px 4px rgba(35,30,24,.05),0 24px 46px -22px rgba(35,30,24,.36);
  --ease:cubic-bezier(.16,1,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --g-org:#B25A3C; --g-conv:#4E6F52; --g-edit:#B5732C; --g-sec:#4A443B;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
[hidden]{display:none !important}
img,canvas{display:block;max-width:100%}

/* ---------------- 顶栏 ---------------- */
.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:12px;
  padding:12px 20px;
  background:rgba(245,242,236,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  background:var(--btn);color:#FCFAF6;
  display:grid;place-items:center;
}
.brand-mark svg{width:18px;height:18px}
.brand-tx{min-width:0}
.brand-tx b{display:block;font-size:15px;letter-spacing:.01em;font-weight:650;line-height:1.25}
.brand-tx small{display:block;font-size:11.5px;color:var(--muted-3);letter-spacing:.04em;line-height:1.3}
.topbar .sp{flex:1}
.tb-link{
  font-size:13px;color:var(--muted);padding:8px 14px;border-radius:999px;
  border:1px solid var(--line-2);background:transparent;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;min-height:36px;
  transition:.2s var(--ease);
}
.tb-link:hover{background:var(--card);color:var(--ink-2);border-color:rgba(35,30,24,.22)}
.tb-link svg{width:14px;height:14px}

/* ---------------- 外壳 ---------------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 20px 80px}

.hero{padding:34px 0 8px}
.hero h1{
  margin:0;font-size:clamp(25px,2.6vw,32px);font-weight:680;letter-spacing:-.01em;line-height:1.2;
}
.hero p{margin:9px 0 0;color:var(--muted);font-size:14px;max-width:56ch}
.hero .meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:12.5px;color:var(--muted-3)}
.hero .meta i{font-style:normal;display:inline-flex;align-items:center;gap:5px}
.dot{width:5px;height:5px;border-radius:50%;background:var(--ok);flex:none}
.dot.off{background:var(--danger)}

/* ---------------- 分组 tabs ---------------- */
.tabs{
  display:flex;gap:6px;overflow-x:auto;padding:20px 0 16px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  flex:none;border:1px solid var(--line-2);background:transparent;
  color:var(--muted);border-radius:999px;padding:8px 16px;
  font-size:13.5px;cursor:pointer;transition:.2s var(--ease);min-height:38px;
  display:inline-flex;align-items:center;gap:7px;
}
.tab:hover{background:var(--card);color:var(--ink-2)}
.tab.on{background:var(--btn);color:#FCFAF6;border-color:var(--btn)}
.tab em{font-style:normal;font-size:11px;opacity:.55}

/* ---------------- 工具网格 ---------------- */
.grid{
  display:grid;gap:12px;
  grid-template-columns:repeat(auto-fill,minmax(224px,1fr));
}
.card{
  position:relative;display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:16px 16px 15px;cursor:pointer;text-align:left;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  min-height:118px;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:var(--line-2)}
.card:active{transform:translateY(0) scale(.994)}
.card .chip{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:var(--card-2);border:1px solid var(--line);
}
.card .chip svg{width:20px;height:20px}
.card[data-g="org"] .chip{color:var(--g-org);background:#FAEFE9}
.card[data-g="conv"] .chip{color:var(--g-conv);background:#EFF3EC}
.card[data-g="edit"] .chip{color:var(--g-edit);background:#FBF2E4}
.card[data-g="sec"] .chip{color:var(--g-sec);background:#F1EFE9}
.card b{font-size:14.5px;font-weight:640;letter-spacing:.005em}
.card small{color:var(--muted);font-size:12.5px;line-height:1.5;display:block;margin-top:-4px}
.card .tag{
  position:absolute;right:12px;top:12px;font-size:10.5px;letter-spacing:.04em;
  color:var(--muted-3);border:1px solid var(--line-2);border-radius:999px;padding:2px 7px;
}
.card .tag.local{color:var(--ok);border-color:rgba(78,111,82,.3);background:var(--ok-wash)}

/* ---------------- 工具面板 ---------------- */
.panel{animation:in .26s var(--ease)}
@keyframes in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.phead{display:flex;align-items:flex-start;gap:14px;padding:20px 0 18px}
.back{
  border:1px solid var(--line-2);background:transparent;border-radius:999px;
  width:38px;height:38px;flex:none;display:grid;place-items:center;cursor:pointer;
  color:var(--muted);transition:.2s var(--ease);margin-top:2px;
}
.back:hover{background:var(--card);color:var(--ink)}
.phead h2{margin:0;font-size:20px;font-weight:660;letter-spacing:-.005em}
.phead p{margin:3px 0 0;color:var(--muted);font-size:13px}

.sect{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:18px;margin-bottom:14px;
}
.sect > h3{
  margin:0 0 12px;font-size:12px;font-weight:600;letter-spacing:.1em;
  color:var(--muted-3);text-transform:uppercase;
}

/* 拖放区 */
.drop{
  border:1.5px dashed var(--line-2);border-radius:18px;background:var(--card-2);
  padding:34px 20px;text-align:center;cursor:pointer;transition:.22s var(--ease);
}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-wash)}
.drop svg{width:34px;height:34px;margin:0 auto 10px;color:var(--muted-3)}
.drop b{display:block;font-weight:600;font-size:14.5px}
.drop small{display:block;color:var(--muted-3);font-size:12.5px;margin-top:4px}

/* 文件列表 */
.files{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.frow{
  display:flex;align-items:center;gap:11px;padding:10px 12px;
  background:var(--card);border:1px solid var(--line);border-radius:13px;
  cursor:grab;
}
.frow.drag{opacity:.4}
.frow .fi{
  width:30px;height:30px;border-radius:9px;background:var(--card-2);
  display:grid;place-items:center;flex:none;color:var(--muted);
}
.frow .fi svg{width:15px;height:15px}
.frow .fn{flex:1;min-width:0;display:flex;flex-direction:column}
.frow .fn b{font-size:13.5px;font-weight:550;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.frow .fn small{font-size:11.5px;color:var(--muted-3)}
.frow .x{
  border:0;background:transparent;color:var(--muted-3);cursor:pointer;
  width:30px;height:30px;border-radius:8px;display:grid;place-items:center;flex:none;
}
.frow .x:hover{background:var(--danger-wash);color:var(--danger)}
.frow .th{width:34px;height:44px;border-radius:5px;border:1px solid var(--line);object-fit:cover;background:#fff;flex:none}

/* 选项 */
.opt{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:flex-start}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field > label{font-size:12px;color:var(--muted);letter-spacing:.02em}
.field.grow{flex:1;min-width:210px}
.seg{display:inline-flex;background:var(--wash);border-radius:11px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{
  border:0;background:transparent;border-radius:9px;padding:7px 13px;
  font-size:13px;color:var(--muted);cursor:pointer;transition:.16s var(--ease);min-height:34px;
}
.seg button:hover{color:var(--ink-2)}
.seg button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(35,30,24,.1);font-weight:560}
input[type=text],input[type=password],input[type=number],select,textarea{
  border:1px solid var(--line-2);background:var(--card);border-radius:11px;
  padding:9px 12px;font-size:13.5px;outline:none;transition:.18s var(--ease);min-height:40px;
  width:100%;
}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(178,90,60,.1)}
textarea{min-height:76px;resize:vertical;line-height:1.55}
input[type=color]{
  width:44px;height:40px;padding:3px;border:1px solid var(--line-2);border-radius:11px;background:var(--card);cursor:pointer;
}
input[type=range]{width:100%;accent-color:var(--accent)}
.chk{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer;min-height:40px}
.chk input{width:17px;height:17px;accent-color:var(--accent)}

/* 行动条 */
.runbar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:16px 0 4px;
}
.btn{
  border:0;background:var(--btn);color:#FCFAF6;border-radius:999px;
  padding:12px 26px;font-size:14px;font-weight:560;cursor:pointer;letter-spacing:.02em;
  transition:.2s var(--ease);min-height:46px;display:inline-flex;align-items:center;gap:8px;
}
.btn:hover{background:var(--ink-3);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn:active{transform:none}
.btn:disabled{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}
.btn.ghost{background:transparent;color:var(--ink-2);border:1px solid var(--line-2)}
.btn.ghost:hover{background:var(--card);border-color:rgba(35,30,24,.24);box-shadow:none}
.btn.sm{padding:8px 16px;font-size:13px;min-height:38px}
.btn.accent{background:var(--accent)}
.btn.accent:hover{background:var(--accent-deep)}
.runbar .hint{font-size:12.5px;color:var(--muted-3)}

/* 进度 / 结果 */
.prog{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
.spin{
  width:16px;height:16px;border-radius:50%;flex:none;
  border:2px solid var(--line-2);border-top-color:var(--accent);
  animation:sp .7s linear infinite;
}
@keyframes sp{to{transform:rotate(360deg)}}
.res{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.rrow{
  display:flex;align-items:center;gap:12px;padding:13px 15px;
  background:var(--ok-wash);border:1px solid rgba(78,111,82,.22);border-radius:14px;
}
.rrow .ok{color:var(--ok);flex:none}
.rrow .ok svg{width:20px;height:20px}
.rrow .rt{flex:1;min-width:0}
.rrow .rt b{display:block;font-size:13.5px;font-weight:560;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rrow .rt small{color:var(--muted);font-size:11.5px}
.rrow .btn{flex:none;white-space:nowrap;width:auto;min-width:0}
.msg{
  padding:12px 15px;border-radius:14px;font-size:13px;
  background:var(--accent-wash);border:1px solid rgba(178,90,60,.18);color:var(--ink-2);
}
.msg.bad{background:var(--danger-wash);border-color:rgba(180,69,60,.22);color:var(--danger)}
.msg.good{background:var(--ok-wash);border-color:rgba(78,111,82,.22);color:var(--ok)}

/* ---------------- 页面/编辑器舞台 ---------------- */
.stage{
  display:grid;grid-template-columns:1fr 268px;gap:14px;align-items:start;
}
@media(max-width:860px){.stage{grid-template-columns:1fr}}
.canvas-box{
  background:var(--wash-2);border:1px solid var(--line);border-radius:18px;
  padding:14px;min-height:420px;display:flex;flex-direction:column;align-items:center;gap:10px;
  overflow:auto;max-height:74vh;
}
.canvas-wrap{position:relative;background:#fff;box-shadow:0 6px 22px -10px rgba(35,30,24,.4);border-radius:3px}
.canvas-wrap canvas{display:block;border-radius:3px}
.ovl{position:absolute;inset:0;cursor:crosshair;touch-action:none}
.ovl .el{position:absolute;pointer-events:none}
.pk{display:none}
.pk.on{display:block}

/* 工具栏（编辑器） */
.tools{display:flex;flex-wrap:wrap;gap:5px;padding:8px;background:var(--card);border:1px solid var(--line);border-radius:14px;width:100%}
.tools button{
  border:1px solid transparent;background:transparent;border-radius:9px;
  min-width:40px;height:40px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;
  gap:5px;cursor:pointer;color:var(--muted);font-size:12.5px;transition:.16s var(--ease);white-space:nowrap;
}
.tools button span{font-size:12.5px;letter-spacing:.01em}
.tools button svg{width:17px;height:17px}
.tools button:hover{background:var(--wash);color:var(--ink-2)}
.tools button.on{background:var(--btn);color:#FCFAF6}
.tools .sep{width:1px;background:var(--line-2);margin:4px 3px}

/* 缩略图网格 */
.tgrid{
  display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));
}
.tcell{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:7px;cursor:pointer;transition:.16s var(--ease);
}
.tcell:hover{border-color:var(--line-2);box-shadow:var(--shadow-1)}
.tcell.sel{border-color:var(--accent);background:var(--accent-wash)}
.tcell .cv{width:100%;aspect-ratio:1/1.414;background:#fff;border-radius:6px;overflow:hidden;display:grid;place-items:center;border:1px solid var(--line)}
.tcell .cv canvas{width:100%;height:100%;object-fit:contain}
.tcell .no{
  position:absolute;left:12px;top:12px;background:rgba(27,25,23,.72);color:#fff;
  font-size:10.5px;border-radius:6px;padding:1px 5px;letter-spacing:.02em;
}
.tcell .ck{
  position:absolute;right:12px;top:12px;width:18px;height:18px;border-radius:50%;
  border:1.5px solid rgba(27,25,23,.28);background:rgba(255,255,255,.9);display:grid;place-items:center;
}
.tcell.sel .ck{background:var(--accent);border-color:var(--accent);color:#fff}
.tcell .ck svg{width:11px;height:11px;opacity:0}
.tcell.sel .ck svg{opacity:1}
.tcell .rm{
  position:absolute;right:10px;bottom:8px;border:0;background:var(--danger-wash);
  color:var(--danger);font-size:10.5px;border-radius:6px;padding:2px 6px;cursor:pointer;opacity:0;transition:.15s;
}
.tcell:hover .rm{opacity:1}

/* 侧栏 */
.side{display:flex;flex-direction:column;gap:10px}
.side .box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px}
.side h4{margin:0 0 9px;font-size:11.5px;letter-spacing:.09em;color:var(--muted-3);text-transform:uppercase;font-weight:600}
.side .row{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);padding:3px 0}
.side .row b{color:var(--ink-2);font-weight:550}
.elist{display:flex;flex-direction:column;gap:5px;max-height:190px;overflow:auto}
.elist .it{display:flex;gap:7px;font-size:12px;color:var(--muted);align-items:center}
.elist .it span{width:16px;height:16px;border-radius:4px;background:var(--wash);display:grid;place-items:center;font-size:10px;flex:none}

/* ---------------- toast ---------------- */
#toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);
  background:var(--btn);color:#FCFAF6;padding:12px 20px;border-radius:14px;
  font-size:13.5px;box-shadow:var(--shadow-2);opacity:0;pointer-events:none;
  transition:.28s var(--ease);z-index:200;max-width:calc(100vw - 40px);
}
#toast.on{opacity:1;transform:translate(-50%,0)}
#toast.bad{background:var(--danger)}

.foot{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  font-size:12px;color:var(--muted-3);display:flex;flex-wrap:wrap;gap:6px 18px;
}

/* ---------------- 手机 ---------------- */
@media(max-width:720px){
  body{font-size:15.5px}
  .topbar{padding:10px 14px}
  .brand-tx small{display:none}
  .wrap{padding:0 14px 70px}
  .hero{padding:22px 0 4px}
  .hero h1{font-size:23px}
  .hero p{font-size:13.5px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .card{padding:13px 12px;border-radius:16px;min-height:104px;gap:8px}
  .card .chip{width:34px;height:34px;border-radius:10px}
  .card .chip svg{width:18px;height:18px}
  .card b{font-size:13.5px;line-height:1.35}
  .card small{font-size:11.5px;line-height:1.4}
  .card .tag{display:none}
  .sect{padding:14px;border-radius:17px}
  .phead h2{font-size:18px}
  .btn{width:100%;justify-content:center}
  .runbar{gap:10px}
  .runbar .hint{width:100%;text-align:center}
  .field.grow{min-width:0;width:100%}
  .tgrid{grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}
  .canvas-box{max-height:62vh;padding:10px}
  .tabs{padding:14px 0 12px}
  .tb-link{padding:8px 11px;font-size:12.5px}
}