/* ==========================================================================
   TDL Drive — 网盘界面
   ========================================================================== */

:root{
  --bg:#08080a;
  --panel:#0c0c10;
  --panel-2:#111116;
  --line:rgba(238,232,220,.10);
  --line-2:rgba(238,232,220,.18);
  --text:#efeae0;
  --text-2:#c6c0b4;
  --dim:#8f8a80;
  --dim-2:#6b675f;
  --gold:#c9a86a;
  --gold-2:#e9d5a7;
  --gold-3:#8b6d3d;
  --grad:linear-gradient(100deg,#f4e3bb,#d9b877 45%,#b8935a);
  --danger:#e0705f;
  --ok:#6bd6a8;

  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --mono:ui-monospace,SFMono-Regular,'JetBrains Mono','Cascadia Mono',Consolas,monospace;

  --ease:cubic-bezier(.2,.7,.15,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --r:14px;
}

html[data-theme="light"]{
  color-scheme:light;
  --bg:#f7f3ea;
  --panel:#fffdf8;
  --panel-2:#f1ebe0;
  --line:rgba(58,45,26,.13);
  --line-2:rgba(58,45,26,.22);
  --text:#1c1811;
  --text-2:#463e31;
  --dim:#6d6455;
  --dim-2:#837963;
  --gold:#a87f3f;
  --gold-2:#8a6530;
  --gold-3:#b08d55;
  --grad:linear-gradient(100deg,#8a6530,#b08d55 45%,#c9a86a);
  --danger:#b5491d;
  --ok:#0b7f6f;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{
  background:var(--bg);color:var(--text-2);
  font-family:var(--sans);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow:hidden;
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:rgba(201,168,106,.28);color:var(--text)}

.sprite{position:absolute;width:0;height:0;overflow:hidden}
.ico{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}

/* ---------- 骨架 ---------- */
.app{display:grid;grid-template-rows:62px 1fr;height:100vh;height:100dvh}

.topbar{
  display:flex;align-items:center;gap:18px;
  padding:0 18px;border-bottom:1px solid var(--line);background:var(--panel);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;fill:none;stroke:var(--gold);stroke-width:1.5;stroke-linejoin:round}
.brand-text{font-size:15px;font-weight:600;color:var(--text);line-height:1.1;letter-spacing:.01em}
.brand-text b{font-weight:600;color:var(--gold)}
.brand-text small{display:block;font-size:9px;letter-spacing:.22em;color:var(--dim-2);font-weight:400;margin-top:2px}

.search{
  display:flex;align-items:center;gap:8px;flex:1;max-width:420px;
  padding:8px 12px;border-radius:99px;border:1px solid var(--line);
  background:var(--bg);color:var(--dim);
  transition:border-color .25s var(--ease),background .25s;
}
.search:focus-within{border-color:var(--gold);color:var(--text-2)}
.search .ico{width:15px;height:15px}
.search input{
  flex:1;min-width:0;border:0;outline:0;background:none;color:var(--text);font-size:13px;
}
.search input::placeholder{color:var(--dim-2)}
.search input::-webkit-search-cancel-button{filter:grayscale(1) opacity(.5)}

.top-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
.icon-btn{
  display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid transparent;color:var(--dim);
  transition:color .25s,background .25s,border-color .25s;
}
.icon-btn:hover{color:var(--text);background:var(--panel-2)}
.icon-btn.is-active{color:var(--gold);border-color:var(--line-2);background:var(--panel-2)}

.ti{position:absolute;transition:opacity .25s,transform .4s var(--ease-out)}
#themeBtn{position:relative}
html[data-theme="dark"] .ti-moon{opacity:0;transform:rotate(-40deg) scale(.6)}
html[data-theme="dark"] .ti-sun{opacity:1}
html[data-theme="light"] .ti-sun{opacity:0;transform:rotate(40deg) scale(.6)}
html[data-theme="light"] .ti-moon{opacity:1}

/* ---------- 侧栏 ---------- */
.layout{display:grid;grid-template-columns:236px 1fr;min-height:0}
.sidebar{
  display:flex;flex-direction:column;gap:18px;
  padding:18px 14px;border-right:1px solid var(--line);
  background:var(--panel);overflow:auto;
}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-link{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:13px;color:var(--dim);
  transition:background .2s,color .2s;
}
.side-link .ico{width:17px;height:17px}
.side-link:hover{background:var(--panel-2);color:var(--text)}
.side-link.is-active{color:var(--text);background:rgba(201,168,106,.12)}
html[data-theme="light"] .side-link.is-active{background:rgba(168,127,63,.12);color:var(--gold-2)}

.storage{margin-top:auto;padding:14px 12px;border-radius:12px;border:1px solid var(--line);background:var(--bg)}
.storage-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:11px;color:var(--dim-2);margin-bottom:8px}
.storage-head b{font-family:var(--mono);font-size:11px;font-weight:400;color:var(--text-2)}
.storage-bar{height:4px;border-radius:99px;background:var(--line);overflow:hidden}
.storage-bar i{display:block;height:100%;width:0;border-radius:99px;background:var(--grad);transition:width .6s var(--ease-out)}
.storage-note{margin-top:8px;font-size:10.5px;line-height:1.6;color:var(--dim-2)}

/* ---------- 主区 ---------- */
.main{min-width:0;overflow:auto;padding:18px 22px 40px}
.crumbs{display:flex;align-items:center;gap:2px;flex-wrap:wrap;min-height:28px;margin-bottom:10px;font-size:13px}
.crumb{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 7px;border-radius:7px;color:var(--dim);
  transition:background .2s,color .2s;
}
.crumb:hover{background:var(--panel-2);color:var(--text)}
.crumb.is-last{color:var(--text);font-weight:500}
.crumb-sep{color:var(--dim-2);display:grid;place-items:center}
.crumb-sep svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:10px;border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);
  transition:border-color .25s,background .25s,color .25s,transform .25s var(--ease-out);
}
.btn .ico{width:15px;height:15px}
.btn:hover{border-color:var(--line-2);background:var(--panel-2);color:var(--text)}
.btn:active{transform:scale(.985)}
.btn-primary{
  background:var(--grad);border-color:transparent;color:#1a1408;font-weight:600;
  box-shadow:0 8px 22px -14px rgba(201,168,106,.9);
}
.btn-primary:hover{filter:brightness(1.04);color:#1a1408}
.btn-block{width:100%;justify-content:center;padding:11px}
.meta{font-size:11.5px;color:var(--dim-2);font-family:var(--mono);margin-left:6px}
.spacer{flex:1}
.view-toggle{display:flex;gap:4px;padding:3px;border-radius:10px;border:1px solid var(--line);background:var(--bg)}
.view-toggle .icon-btn{width:28px;height:28px;border-radius:7px}
.view-toggle .icon-btn.is-active{background:var(--panel-2);color:var(--gold)}

/* ---------- 文件列表 ---------- */
.list-head,.row{
  display:grid;grid-template-columns:minmax(0,1fr) 96px 148px 92px;
  gap:12px;align-items:center;
}
.list-head{padding:0 12px 8px;border-bottom:1px solid var(--line);margin-bottom:4px}
.th{
  text-align:left;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim-2);padding:4px 0;border-radius:4px;
  transition:color .2s;
}
.th:hover{color:var(--text-2)}
.th.is-sorted{color:var(--gold)}

.row{
  padding:9px 12px;border-radius:10px;border:1px solid transparent;
  position:relative;cursor:default;
  transition:background .18s,border-color .18s;
}
.row:hover{background:var(--panel);border-color:var(--line)}
.row-main{display:flex;align-items:center;gap:11px;min-width:0;text-align:left;padding:2px 0}
.file-ico{
  display:grid;place-items:center;width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:rgba(201,168,106,.10);color:var(--gold);
  border:1px solid rgba(201,168,106,.18);
}
.file-ico .ico{width:17px;height:17px}
.file-ico.t-dir{background:rgba(201,168,106,.14);color:var(--gold-2)}
.file-ico.t-image{background:rgba(107,214,168,.10);color:#7fd7b0;border-color:rgba(107,214,168,.2)}
.file-ico.t-doc{background:rgba(120,160,255,.10);color:#9db8ff;border-color:rgba(120,160,255,.2)}
.file-ico.t-media{background:rgba(220,140,255,.10);color:#d7a6ff;border-color:rgba(220,140,255,.2)}
.file-ico.t-archive{background:rgba(255,190,110,.10);color:#ffcf8a;border-color:rgba(255,190,110,.2)}
html[data-theme="light"] .file-ico{background:rgba(168,127,63,.10);color:var(--gold-2);border-color:rgba(168,127,63,.2)}
html[data-theme="light"] .file-ico.t-dir{background:rgba(168,127,63,.14);color:#8a6530}
html[data-theme="light"] .file-ico.t-image{background:rgba(11,127,111,.08);color:#0b7f6f;border-color:rgba(11,127,111,.2)}
html[data-theme="light"] .file-ico.t-doc{background:rgba(60,96,200,.08);color:#3a5fc4;border-color:rgba(60,96,200,.18)}
html[data-theme="light"] .file-ico.t-media{background:rgba(140,70,190,.08);color:#7a3fae;border-color:rgba(140,70,190,.18)}
html[data-theme="light"] .file-ico.t-archive{background:rgba(170,110,20,.08);color:#a06a12;border-color:rgba(170,110,20,.18)}

.file-name{
  min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-size:13.5px;color:var(--text);
}
.file-size,.file-time{
  font-family:var(--mono);font-size:11.5px;color:var(--dim-2);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.file-actions{display:flex;justify-content:flex-end;gap:2px;opacity:0;transition:opacity .18s}
.row:hover .file-actions,.row:focus-within .file-actions{opacity:1}
.file-actions .icon-btn{width:28px;height:28px}
.file-actions .icon-btn .ico{width:15px;height:15px}
.file-actions .icon-btn:hover{color:var(--gold)}
.file-actions .icon-btn[data-act="delete"]:hover{color:var(--danger)}

/* 网格视图 */
.list.is-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(146px,1fr));gap:10px}
.list.is-grid .row{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 12px 14px;border:1px solid var(--line);background:var(--panel)}
.list.is-grid .row:hover{border-color:var(--line-2)}
.list.is-grid .row-main{flex-direction:column;gap:10px;align-items:center;width:100%}
.list.is-grid .file-ico{width:46px;height:46px;border-radius:13px}
.list.is-grid .file-ico .ico{width:23px;height:23px}
.list.is-grid .file-name{max-width:100%;text-align:center;font-size:12.5px;line-height:1.45;white-space:normal;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.list.is-grid .file-size{font-size:10.5px}
.list.is-grid .row[data-dir="1"] .file-size{visibility:hidden}
.list.is-grid .file-time{display:none}
.list.is-grid .file-actions{position:absolute;top:6px;right:4px;opacity:0}
.list.is-grid .row:hover .file-actions{opacity:1}

/* 空状态 */
.empty{display:grid;place-items:center;gap:6px;padding:80px 20px;text-align:center}
.empty-ico{width:44px;height:44px;fill:none;stroke:var(--line-2);stroke-width:1.2;margin-bottom:6px}
.empty-title{font-size:14px;color:var(--text-2)}
.empty-sub{font-size:12.5px;color:var(--dim-2)}

/* ---------- 上传队列 ---------- */
.uploads{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:min(330px,calc(100vw - 40px));
  display:flex;flex-direction:column;gap:8px;
  pointer-events:none;
}
.upload-card{
  pointer-events:auto;
  padding:11px 13px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.8);
}
.upload-top{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-2)}
.upload-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.upload-pct{font-family:var(--mono);font-size:10.5px;color:var(--dim-2)}
.upload-bar{margin-top:7px;height:3px;border-radius:99px;background:var(--line);overflow:hidden}
.upload-bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .2s linear}
.upload-card.is-done .upload-bar i{background:var(--ok)}
.upload-card.is-error .upload-bar i{background:var(--danger)}

/* ---------- 拖拽 ---------- */
.drop{
  position:fixed;inset:0;z-index:90;display:grid;place-items:center;
  background:rgba(8,8,10,.72);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
}
html[data-theme="light"] .drop{background:rgba(247,243,234,.78)}
.drop.is-on{opacity:1;visibility:visible}
.drop-inner{
  display:grid;justify-items:center;gap:8px;
  padding:44px 64px;border-radius:18px;border:1.5px dashed var(--gold);
  background:var(--panel);color:var(--text-2);
}
.drop-inner svg{width:34px;height:34px;fill:none;stroke:var(--gold);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.drop-inner b{font-size:15px;color:var(--text)}
.drop-inner span{font-size:12px;color:var(--dim-2)}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:110;display:grid;place-items:center;
  background:rgba(0,0,0,.55);backdrop-filter:blur(4px);padding:20px;
}
.modal[hidden]{display:none}
.modal-box{
  width:min(380px,100%);padding:22px;border-radius:16px;
  border:1px solid var(--line);background:var(--panel);
  box-shadow:0 30px 80px -40px #000;
}
.modal-box h2{font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px}
.modal-desc{font-size:12.5px;color:var(--dim);margin-bottom:14px;line-height:1.7}
.input{
  width:100%;padding:10px 12px;border-radius:10px;
  border:1px solid var(--line-2);background:var(--bg);color:var(--text);
  font-size:13.5px;outline:0;transition:border-color .2s;
}
.input:focus{border-color:var(--gold)}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,16px);z-index:120;
  padding:9px 16px;border-radius:99px;border:1px solid var(--line-2);
  background:var(--panel);color:var(--text);font-size:12.5px;
  box-shadow:0 20px 40px -24px #000;
  opacity:0;pointer-events:none;transition:opacity .25s,transform .3s var(--ease-out);
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.is-error{color:var(--danger);border-color:rgba(224,112,95,.35)}

.lightbox{
  position:fixed;inset:0;z-index:130;display:grid;place-items:center;
  background:rgba(0,0,0,.92);padding:32px;
}
.lightbox[hidden]{display:none}
.lightbox img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px}
.lightbox-close{
  position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;color:#fff;background:rgba(255,255,255,.1);
}
.lightbox-close:hover{background:rgba(255,255,255,.2)}

/* ---------- 登录 ---------- */
.login{position:fixed;inset:0;z-index:140;display:grid;place-items:center;background:var(--bg);padding:24px}
.login[hidden]{display:none}
.login-box{width:min(340px,100%);text-align:center}
.login-mark{width:44px;height:44px;margin:0 auto 16px;fill:none;stroke:var(--gold);stroke-width:1.4;stroke-linejoin:round}
.login-box h1{font-size:19px;font-weight:600;color:var(--text);letter-spacing:.02em}
.login-box p{font-size:12.5px;color:var(--dim);margin:6px 0 20px}
.login-box .input{text-align:center;padding:12px}
.login-box .btn{margin-top:10px}
.login-error{min-height:18px;font-size:12px;color:var(--danger);margin-top:10px}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{display:none}
  .main{padding:14px 14px 32px}
  .list-head{display:none}
  .row{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:10px}
  .file-size{grid-column:2;grid-row:1;justify-self:end;font-size:10.5px}
  .file-time{display:none}
  .file-actions{position:absolute;right:6px;bottom:4px;opacity:1}
  .list.is-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
  .search{max-width:none}
  .brand-text small{display:none}
}
@media (max-width:520px){
  .topbar{gap:10px;padding:0 12px}
  .brand-text{font-size:14px}
  .uploads{left:12px;right:12px;bottom:12px;width:auto}
}