:root{
  --graphite:#191c21;
  --graphite-2:#242932;
  --graphite-3:#333a45;
  --page:#eef0f3;
  --card:#ffffff;
  --line:#dde1e7;
  --line-2:#c9cfd8;
  --ink:#1a1d22;
  --ink-2:#5c6470;
  --ink-3:#8a93a0;
  --brass:#b8862b;
  --brass-d:#8f681e;
  --brass-bg:#fbf3e2;
  --danger:#b3382f;
  --danger-bg:#fbeceb;
  --ok:#2f7a52;
  --r:6px;
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  font-size:15px;
  line-height:1.6;
  color:var(--ink);
  background:var(--page);
  -webkit-text-size-adjust:100%;
}
button,input,select,textarea{font-family:inherit;font-size:15px;color:inherit}
button{cursor:pointer}
a{color:var(--brass-d)}
code{font-family:var(--mono);font-size:.88em;background:rgba(0,0,0,.06);padding:1px 5px;border-radius:4px}
.hidden-input{display:none}
[hidden]{display:none !important}

/* ---------- 表单 ---------- */
.field{display:block;margin:0 0 14px}
.field>span{display:block;font-size:12px;letter-spacing:.04em;color:var(--ink-2);margin-bottom:5px}
.field input,.field select,.field textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line-2);border-radius:var(--r);
  background:#fff;outline:none;transition:border-color .12s,box-shadow .12s;
}
.field textarea{resize:vertical;line-height:1.55}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brass);box-shadow:0 0 0 3px rgba(184,134,43,.16);
}
.field .mono{font-family:var(--mono)}
.input-row{display:flex;gap:8px}
.input-row input{flex:1}

.btn-primary{
  display:block;width:100%;padding:11px 16px;border:0;border-radius:var(--r);
  background:var(--brass);color:#fff;font-weight:600;letter-spacing:.02em;
}
.btn-primary:hover{background:var(--brass-d)}
.btn-primary:disabled{background:var(--ink-3);cursor:default}
.btn-ghost{
  padding:8px 13px;border:1px solid var(--line-2);border-radius:var(--r);
  background:#fff;color:var(--ink-2);white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--brass);color:var(--brass-d)}
.btn-ghost.danger:hover{border-color:var(--danger);color:var(--danger)}

/* ---------- 闸门（登录 / 安装 / 解锁） ---------- */
body.gate{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:var(--graphite);padding:24px;
}
.gate-overlay{
  position:fixed;inset:0;z-index:60;background:var(--graphite);
  display:flex;align-items:center;justify-content:center;padding:24px;overflow-y:auto;
}
.gate-card{
  width:100%;max-width:380px;background:var(--card);
  border-radius:12px;padding:28px 26px 26px;
}
.gate-brand{
  display:flex;align-items:center;gap:9px;
  font-size:13px;letter-spacing:.16em;color:var(--ink-3);margin-bottom:18px;
}
.dial{
  width:14px;height:14px;border-radius:50%;
  border:2px solid var(--brass);position:relative;flex:none;
}
.dial::after{
  content:"";position:absolute;left:50%;top:-3px;width:2px;height:6px;
  background:var(--brass);transform:translateX(-50%);border-radius:1px;
}
.gate-title{font-size:21px;font-weight:600;margin:0 0 12px;letter-spacing:-.01em}
.gate-note{font-size:13px;line-height:1.65;color:var(--ink-2);margin:0 0 16px}
.gate-note.err{color:var(--danger);background:var(--danger-bg);padding:9px 11px;border-radius:var(--r)}
.gate-note.ok{color:var(--ok)}
.gate-foot{font-size:12px;color:var(--ink-3);margin:14px 0 0;text-align:center}
.progress{height:4px;background:var(--line);border-radius:2px;overflow:hidden}
.progress i{display:block;height:100%;width:40%;background:var(--brass);border-radius:2px;
  animation:slide 1.1s ease-in-out infinite}
@keyframes slide{0%{margin-left:-40%}100%{margin-left:100%}}
@media (prefers-reduced-motion:reduce){.progress i{animation:none;width:100%}}

/* ---------- 顶栏与锁状态（签名元素） ---------- */
.bar{
  position:sticky;top:0;z-index:30;height:52px;
  display:flex;align-items:center;gap:10px;padding:0 12px;
  background:var(--graphite);color:#e8eaee;
}
.bar-icon{
  background:none;border:0;color:#e8eaee;font-size:18px;padding:6px 8px;line-height:1;border-radius:var(--r);
}
.bar-icon:hover{background:var(--graphite-2)}
.bar-brand{display:flex;align-items:center;gap:8px;font-size:14px;letter-spacing:.1em;color:#c2c8d1}
.bar-name{white-space:nowrap}
.lockstate{
  margin-left:auto;display:flex;align-items:center;gap:7px;
  font-size:12px;font-family:var(--mono);letter-spacing:.02em;
  padding:5px 11px;border-radius:999px;
  background:var(--graphite-2);color:#8a93a0;border:1px solid var(--graphite-3);
  white-space:nowrap;
}
.lockstate-dot{width:7px;height:7px;border-radius:50%;background:#6b7280;flex:none}
.lockstate.open{color:var(--brass);border-color:rgba(184,134,43,.45);background:rgba(184,134,43,.1)}
.lockstate.open .lockstate-dot{background:var(--brass)}
.lockstate.warn{color:#e0a437;border-color:rgba(224,164,55,.5)}
.lockstate.warn .lockstate-dot{background:#e0a437;animation:pulse 1s ease-in-out infinite}
@keyframes pulse{50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.lockstate.warn .lockstate-dot{animation:none}}
.bar-btn{
  background:none;border:1px solid var(--graphite-3);color:#c2c8d1;
  padding:6px 11px;border-radius:var(--r);font-size:13px;text-decoration:none;white-space:nowrap;
}
.bar-btn:hover{border-color:var(--brass);color:var(--brass)}

/* ---------- 三栏骨架 ---------- */
.shell{
  display:grid;grid-template-columns:212px 330px 1fr;
  height:calc(100vh - 52px);height:calc(100dvh - 52px);
}
.side{background:var(--graphite);color:#aab2bd;overflow-y:auto;padding:14px 10px 20px}
.side-head{font-size:11px;letter-spacing:.18em;color:#6b7280;padding:0 8px 8px}
.folders{list-style:none;margin:0;padding:0}
.folders li{
  display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--r);
  font-size:14px;cursor:pointer;color:#c2c8d1;
}
.folders li:hover{background:var(--graphite-2)}
.folders li.on{background:var(--graphite-2);color:var(--brass);box-shadow:inset 2px 0 0 var(--brass)}
.folders .cnt{margin-left:auto;font-size:11px;font-family:var(--mono);color:#6b7280}
.folders .edit{opacity:0;background:none;border:0;color:#6b7280;padding:0 2px;font-size:12px}
.folders li:hover .edit{opacity:1}
.side-add{
  width:100%;margin-top:10px;padding:8px;background:none;
  border:1px dashed var(--graphite-3);border-radius:var(--r);color:#6b7280;font-size:13px;
}
.side-add:hover{border-color:var(--brass);color:var(--brass)}

.list{background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.list-head{padding:12px;border-bottom:1px solid var(--line);flex:none}
.search{
  width:100%;padding:9px 12px;border:1px solid var(--line-2);border-radius:var(--r);
  background:var(--page);outline:none;
}
.search:focus{border-color:var(--brass);background:#fff}
.list-actions{display:flex;gap:8px;margin-top:10px}
.list-actions .btn-ghost{flex:1;font-size:13px;padding:7px 8px;text-align:center}
.items{overflow-y:auto;flex:1;min-height:0}
.item{
  display:flex;gap:11px;align-items:center;padding:11px 13px;
  border-bottom:1px solid var(--line);cursor:pointer;
}
.item:hover{background:var(--page)}
.item.on{background:var(--brass-bg);box-shadow:inset 3px 0 0 var(--brass)}
.tag{
  width:30px;height:30px;border-radius:var(--r);flex:none;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-family:var(--mono);letter-spacing:0;
  background:var(--page);color:var(--ink-3);border:1px solid var(--line);
}
.tag.f{background:var(--brass-bg);color:var(--brass-d);border-color:#e8d5a8}
.item-main{min-width:0;flex:1}
.item-t{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item-s{font-size:12px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--mono)}
.empty{padding:36px 20px;text-align:center;color:var(--ink-3);font-size:13px}

.detail{background:var(--page);overflow-y:auto;padding:24px 26px 40px;min-height:0}
.detail-blank{color:var(--ink-3);font-size:14px;padding-top:60px;text-align:center}
.d-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px}
.d-title{font-size:22px;font-weight:600;margin:0;letter-spacing:-.01em;word-break:break-word}
.d-folder{font-size:12px;color:var(--ink-3);margin-top:3px}
.d-acts{margin-left:auto;display:flex;gap:8px;flex:none}
.row{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:11px 13px;margin-bottom:10px}
.row-k{font-size:11px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:4px}
.row-v{display:flex;align-items:center;gap:10px}
.row-v .val{flex:1;min-width:0;word-break:break-all;font-family:var(--mono);font-size:14px}
.row-v .val.plain{font-family:var(--font)}
.row-v .val.mask{letter-spacing:.14em;color:var(--ink-2)}
.mini{background:none;border:0;color:var(--ink-3);font-size:12px;padding:4px 6px;border-radius:4px;flex:none}
.mini:hover{background:var(--page);color:var(--brass-d)}
.note-box{white-space:pre-wrap;font-size:14px;line-height:1.7}
.d-meta{font-size:12px;color:var(--ink-3);margin-top:16px}
.preview{max-width:100%;border-radius:var(--r);border:1px solid var(--line);background:#fff;display:block;margin-bottom:12px}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:50;background:rgba(25,28,33,.62);
  display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto;
}
.modal-card{
  width:100%;max-width:460px;background:var(--card);border-radius:12px;
  padding:24px;max-height:90vh;overflow-y:auto;
}
.modal-title{font-size:18px;font-weight:600;margin:0 0 18px}
.modal-sub{font-size:13px;letter-spacing:.06em;color:var(--ink-2);margin:22px 0 8px;
  padding-top:16px;border-top:1px solid var(--line)}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.modal-foot .btn-primary{width:auto;padding:9px 22px}
.scrim{display:none}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:80;
  background:var(--graphite);color:#e8eaee;font-size:13px;
  padding:10px 18px;border-radius:999px;max-width:88vw;text-align:center;
}

/* ---------- 移动端 ---------- */
@media (max-width:900px){
  .bar-name{display:none}
  .shell{display:block;height:auto}
  .side{
    position:fixed;top:52px;bottom:0;left:0;width:250px;z-index:25;
    transform:translateX(-100%);transition:transform .2s ease;
  }
  body.side-open .side{transform:none}
  body.side-open .scrim{display:block;position:fixed;inset:52px 0 0;background:rgba(25,28,33,.5);z-index:24}
  .list{border-right:0;height:calc(100vh - 52px);height:calc(100dvh - 52px)}
  .detail{
    position:fixed;inset:52px 0 0;z-index:20;transform:translateX(100%);
    transition:transform .2s ease;padding:18px 16px 40px;
  }
  body.detail-open .detail{transform:none}
  .detail-blank{display:none}
  .d-head{position:sticky;top:-18px;background:var(--page);padding:6px 0 12px;margin:-6px 0 14px}
  .modal-card{max-width:100%;padding:20px 18px}
  .modal-foot .btn-primary{flex:1}
  .modal-foot .btn-ghost{flex:1}
}
@media (prefers-reduced-motion:reduce){
  .side,.detail{transition:none}
}