:root {
  color-scheme: light;
  --base:#f5f7f3; --surface:#fcfdfb; --panel:#edf2ed; --rail:#eff3ee;
  --text:#182b24; --muted:#4c665a; --line:#d9e5db;
  --accent:#bce8d5; --ink:#153c2f; --active:#226650; --danger:#a22b42;
  --warn-bg:#f9ead1; --warn:#6d4815; --shadow:0 18px 65px #183f2920;
  font-family:system-ui,"Segoe UI","Microsoft YaHei",sans-serif;
}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]){color-scheme:dark;--base:#101713;--surface:#17231d;--panel:#202e26;--rail:#151f19;--text:#e6efe8;--muted:#acc2b2;--line:#30443a;--accent:#a9e2cf;--ink:#143e31;--active:#a9e2cf;--danger:#ff9fb2;--warn-bg:#49381f;--warn:#ffe0a4;--shadow:0 18px 60px #0005}
}
:root[data-theme="dark"]{color-scheme:dark;--base:#101713;--surface:#17231d;--panel:#202e26;--rail:#151f19;--text:#e6efe8;--muted:#acc2b2;--line:#30443a;--accent:#a9e2cf;--ink:#143e31;--active:#a9e2cf;--danger:#ff9fb2;--warn-bg:#49381f;--warn:#ffe0a4;--shadow:0 18px 60px #0005}
*{box-sizing:border-box}
body{margin:0;background:var(--base);color:var(--text);min-height:100vh;font-size:15px}
[hidden]{display:none!important}
button,input,select{font:inherit;color:inherit}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.53}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--active);outline-offset:3px}
button{border:0;background:transparent}
a{color:var(--active);text-underline-offset:4px}
h1,h2,h3,p{margin:0}
h1{font-size:clamp(2rem,4vw,3.25rem);letter-spacing:-.065em;line-height:1.05;font-weight:760}
h2{font-size:1.24rem;letter-spacing:-.025em}
h3{font-size:1.03rem}
svg{display:block;width:21px;height:21px}
.muted{color:var(--muted);line-height:1.55}
.eyebrow{color:var(--active);font-size:.79rem;font-weight:750;letter-spacing:.095em;margin-bottom:9px}
.primary,.subtle{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:43px;padding:0 17px;border-radius:100px;font-size:.92rem;font-weight:690;white-space:nowrap;text-decoration:none}
.primary{background:var(--accent);color:var(--ink)}
.subtle{background:var(--panel);color:var(--text);border:1px solid var(--line)}
.primary:hover,.subtle:hover,.nav-btn:hover,.icon-button:hover{filter:brightness(.96)}
.icon-button{width:39px;height:39px;display:grid;place-items:center;border-radius:50%;background:var(--panel);flex:none;text-decoration:none;font-size:1.45rem}
.shell{display:grid;grid-template-columns:208px minmax(0,1fr);min-height:100vh}
.rail{background:var(--rail);border-right:1px solid var(--line);padding:28px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:30px}
.brand{display:flex;align-items:center;gap:11px;padding:0 9px}
.brand img{width:42px;height:42px}.brand strong{font-size:1.15rem;display:block}.brand small{color:var(--muted);font-size:.75rem}
nav{display:grid;gap:6px}
.nav-btn{width:100%;display:flex;gap:12px;align-items:center;text-align:left;padding:11px 14px;border-radius:16px;color:var(--muted);font-weight:650;min-height:46px}
.nav-btn[aria-current="page"]{background:var(--accent);color:var(--ink)}
.rail-foot{margin-top:auto;padding:12px 8px;color:var(--muted);font-size:.8rem;display:flex;align-items:center;gap:8px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--active);display:inline-block}
.content{width:100%;max-width:1240px;margin:auto;align-self:start;padding:42px clamp(18px,4.1vw,64px) 54px}
.page-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:26px}
.page-head .muted{margin-top:11px}
.head-actions,.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.panel{border:1px solid var(--line);background:var(--surface);border-radius:26px;padding:21px}
.hero{display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--panel);margin-bottom:25px;padding:25px}
.hero p:last-child{margin-top:8px}
.hero strong{font-size:clamp(1.55rem,3vw,2.4rem);letter-spacing:-.06em}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 1px 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.drive-card{display:grid;gap:13px;align-content:start}
.drive-header{display:flex;gap:10px;align-items:center;min-width:0}
.drive-label{min-width:0;flex:1}.drive-label small{display:block;overflow:hidden;text-overflow:ellipsis;color:var(--muted);margin-top:3px}
.badge{padding:5px 9px;background:var(--panel);border-radius:100px;color:var(--muted);white-space:nowrap;font-size:.76rem;font-weight:670}
.badge.warn{background:var(--warn-bg);color:var(--warn)}
.badge.good{background:var(--accent);color:var(--ink)}
.disc{display:grid;place-items:center;width:40px;height:40px;flex:none;background:var(--panel);color:var(--active);border-radius:14px}
.meta{font-size:.83rem;color:var(--muted);line-height:1.5}
.capacity{display:grid;gap:6px;min-height:42px}
progress{display:block;width:100%;height:6px;appearance:none;border:0;border-radius:20px;overflow:hidden;background:var(--panel);color:var(--active);accent-color:var(--active)}
progress::-webkit-progress-bar{background:var(--panel)}progress::-webkit-progress-value{background:var(--active)}progress::-moz-progress-bar{background:var(--active)}
.notice{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:17px;background:var(--warn-bg);color:var(--warn);line-height:1.5}
.notice a{color:inherit}
.empty{min-height:180px;display:grid;align-content:center;justify-items:start;gap:9px}
.crumbs{display:flex;gap:4px;align-items:center;flex-wrap:wrap;margin-bottom:12px;color:var(--muted)}
.crumbs button{font-weight:660;color:var(--active);min-height:38px}
.file-panel{padding:0;overflow:hidden}
.file-row{display:flex;gap:12px;align-items:center;min-height:64px;padding:9px 15px}
.file-row+.file-row{border-top:1px solid var(--line)}
.file-name{min-width:0;flex:1;display:grid;gap:4px;align-content:center;text-align:left;padding:4px 0;line-height:1.2;min-height:40px}
.file-name strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-name:disabled{cursor:default;opacity:1}
.file-panel .empty{padding:22px}
.filter{max-width:330px;margin:0 0 11px}
.field-panel{max-width:660px;display:grid;gap:12px}
.field-panel form,#edit-form,#login-form{display:grid;gap:10px}
label{font-weight:690;font-size:.9rem;margin-top:3px}
input:not([type="checkbox"]),select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:13px;background:var(--base);min-height:43px}
.check{display:flex;gap:8px;align-items:center;line-height:1.45}
.error{color:var(--danger);line-height:1.45;font-size:.9rem}
.error:empty{display:none}
dialog{max-width:min(470px,calc(100% - 26px));width:100%;max-height:calc(100% - 24px);border:1px solid var(--line);border-radius:27px;background:var(--surface);color:var(--text);box-shadow:var(--shadow);padding:22px}
dialog::backdrop{background:#0d22157c}dialog header{display:flex;justify-content:space-between;align-items:start}
.gate{min-height:100dvh;display:grid;place-items:center;padding:20px;background:radial-gradient(ellipse at 15% 0%,var(--panel),transparent 60%),var(--base)}
.gate-card{width:min(100%,390px);border:1px solid var(--line);padding:33px;border-radius:34px;background:var(--surface);box-shadow:var(--shadow)}
.gate-mark{width:62px;height:62px;margin-bottom:20px}
.gate-card .muted{margin:12px 0 22px}
.toast{position:fixed;z-index:10;right:21px;bottom:22px;max-width:min(420px,calc(100% - 42px));padding:12px 18px;border-radius:16px;background:var(--text);color:var(--base);box-shadow:var(--shadow);line-height:1.45}
.transfer-card{display:grid;gap:10px;max-width:700px;margin-bottom:10px}
@media(max-width:720px){
  .shell{display:block}.rail{height:auto;position:static;padding:17px 16px 0;border:0;display:block;background:transparent}.brand{padding:0}.brand img{width:35px;height:35px}.brand small,.rail-foot{display:none}
  nav{position:fixed;z-index:8;bottom:0;left:0;right:0;grid-template-columns:repeat(4,1fr);gap:2px;padding:7px 7px calc(7px + env(safe-area-inset-bottom));background:var(--rail);border-top:1px solid var(--line)}
  .nav-btn{padding:7px 1px;justify-content:center;flex-direction:column;gap:4px;text-align:center;font-size:.79rem;border-radius:16px}
  .content{padding:24px 16px calc(90px + env(safe-area-inset-bottom))}.page-head{align-items:start;flex-wrap:wrap;margin-bottom:18px}.grid{grid-template-columns:1fr}.panel{border-radius:22px;padding:16px}.file-panel{padding:0}.hero{padding:18px}.toast{bottom:calc(75px + env(safe-area-inset-bottom));right:12px}
}
@media(max-width:360px){.hero,.notice{align-items:start;flex-direction:column}.content{padding-left:11px;padding-right:11px}}