/* ============================================================
   中控中心 · 设计系统 (ui.css)
   Tokens / Base / Layout / Sidebar / Topbar / Responsive
   ============================================================ */

:root{
  --bg:#eef1f8;
  --bg-grad:radial-gradient(1100px 520px at 100% -5%,#e6ebff 0,transparent 58%),
            radial-gradient(900px 500px at -5% 110%,#eaf6ff 0,transparent 55%);
  --panel:#ffffff;
  --panel-2:#f7f8fd;
  --panel-3:#eef1f8;
  --border:#e6e9f2;
  --border-strong:#d6daea;
  --text:#161a2b;
  --text-2:#4c5270;
  --muted:#8b91ab;
  --brand:#5b5ef4;
  --brand-2:#8a5cff;
  --brand-soft:#eef0ff;
  --brand-ink:#3f42d6;
  --ok:#12a05a;   --ok-soft:#e5f7ee;
  --warn:#dd8700; --warn-soft:#fff3dd;
  --bad:#e0405a;  --bad-soft:#ffe9ec;
  --info:#2f7fd6; --info-soft:#e8f2ff;
  --side-1:#1b1f3d; --side-2:#12142b;
  --side-ink:#c3c8ea; --side-on:#ffffff; --side-group:#6a719e;
  --shadow-sm:0 1px 2px rgba(20,25,50,.05);
  --shadow:0 6px 24px rgba(30,40,90,.08);
  --shadow-lg:0 18px 50px rgba(25,30,70,.18);
  --r-sm:8px; --r:12px; --r-lg:18px; --r-xl:24px;
  --sidebar-w:248px;
}

html[data-theme="dark"]{
  --bg:#0b0d1a;
  --bg-grad:radial-gradient(1100px 520px at 100% -5%,#1a1e40 0,transparent 58%),
            radial-gradient(900px 500px at -5% 110%,#141a33 0,transparent 55%);
  --panel:#141729;
  --panel-2:#191d33;
  --panel-3:#20243f;
  --border:#262b48;
  --border-strong:#343b60;
  --text:#e8eaf7;
  --text-2:#b3b9d6;
  --muted:#7d84a6;
  --brand:#7b7dff;
  --brand-2:#9d6bff;
  --brand-soft:#1e2144;
  --brand-ink:#aeb0ff;
  --ok:#2ecc7f;   --ok-soft:#12291f;
  --warn:#f0a92e; --warn-soft:#2c2314;
  --bad:#ff5c74;  --bad-soft:#2e1620;
  --info:#5aa2ff; --info-soft:#14233a;
  --side-1:#101225; --side-2:#0a0b18;
  --side-ink:#a7adcf; --side-group:#5f6690;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3);
  --shadow:0 6px 24px rgba(0,0,0,.35);
  --shadow-lg:0 18px 50px rgba(0,0,0,.5);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background-color:var(--bg);
  background-image:var(--bg-grad);
  background-attachment:fixed;
  color:var(--text);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.ico{flex-shrink:0;vertical-align:middle}
::selection{background:var(--brand);color:#fff}

*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;border:2px solid transparent;background-clip:padding-box}
*::-webkit-scrollbar-track{background:transparent}

/* ============ 布局骨架 ============ */
.app{display:flex;min-height:100vh}

/* ============ 侧栏 ============ */
.side{
  width:var(--sidebar-w);flex-shrink:0;position:sticky;top:0;height:100vh;
  background:linear-gradient(180deg,var(--side-1),var(--side-2));
  color:var(--side-ink);display:flex;flex-direction:column;z-index:60;
  transition:transform .26s cubic-bezier(.4,0,.2,1);
}
.side .brand{display:flex;align-items:center;gap:11px;padding:22px 20px 18px}
.side .brand .mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(91,94,244,.42);
}
.side .brand .bt{font-size:16px;font-weight:750;color:#fff;letter-spacing:.4px;line-height:1.2}
.side .brand small{display:block;font-size:11px;color:#8288b4;font-weight:500;letter-spacing:.2px;margin-top:1px}
.side nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:4px 12px 12px}
.side nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border:0}
.navgroup{margin-top:15px}
.navgroup:first-child{margin-top:2px}
.navgroup .gt{
  font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--side-group);padding:0 12px 7px;font-weight:700;
}
.side a.ni{
  display:flex;align-items:center;gap:11px;padding:9.5px 12px;border-radius:11px;
  font-size:13.5px;font-weight:500;color:var(--side-ink);transition:.15s;position:relative;margin-bottom:2px;
}
.side a.ni .ico{opacity:.8;transition:.15s}
.side a.ni:hover{background:rgba(255,255,255,.07);color:#fff}
.side a.ni:hover .ico{opacity:1}
.side a.ni.on{
  background:linear-gradient(90deg,rgba(123,125,255,.28),rgba(123,125,255,.09));
  color:var(--side-on);font-weight:650;
}
.side a.ni.on .ico{opacity:1;color:#aeb0ff}
.side a.ni.on::before{
  content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.side a.ni .dot{
  margin-left:auto;min-width:19px;height:19px;padding:0 5px;border-radius:20px;
  background:var(--bad);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;
}
.side .sfoot{padding:12px;border-top:1px solid rgba(255,255,255,.07)}
.side .sfoot .ver{font-size:11px;color:#5f6690;text-align:center;padding-top:2px}

/* ============ 主区 ============ */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:12px;
  padding:13px 24px;
  background:color-mix(in srgb,var(--panel) 80%,transparent);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.topbar .hamb{display:none}
.tb-title{min-width:0}
.tb-title h1{font-size:19px;font-weight:750;letter-spacing:-.2px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-title .crumb{font-size:12px;color:var(--muted);margin-top:2px}
.tb-spacer{flex:1}

.tsearch{position:relative;width:min(300px,30vw)}
.tsearch .ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.tsearch input{
  width:100%;padding:9px 12px 9px 37px;border:1px solid var(--border);border-radius:11px;
  background:var(--panel-2);color:var(--text);font-size:13.5px;font-family:inherit;transition:.16s;
}
.tsearch input:focus{outline:none;border-color:var(--brand);background:var(--panel);box-shadow:0 0 0 3px var(--brand-soft)}
.tsearch input::placeholder{color:var(--muted)}

.icon-btn{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--border);
  background:var(--panel);color:var(--text-2);display:grid;place-items:center;
  cursor:pointer;position:relative;transition:.15s;flex-shrink:0;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.icon-btn .bdg{
  position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 4px;border-radius:20px;
  background:var(--bad);color:#fff;font-size:10.5px;font-weight:700;display:grid;place-items:center;
  border:2px solid var(--panel);
}

.avatar{
  display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border-radius:30px;
  border:1px solid var(--border);background:var(--panel);cursor:pointer;transition:.15s;flex-shrink:0;
}
.avatar:hover{border-color:var(--brand)}
.avatar .av{
  width:30px;height:30px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:13px;
}
.avatar .an{font-size:13px;font-weight:600;color:var(--text)}
.avatar .ico{color:var(--muted)}
.pos-rel{position:relative}

.content{padding:24px;width:100%;max-width:1520px}

/* ============ 下拉菜单 ============ */
.menu{
  position:absolute;top:calc(100% + 9px);right:0;min-width:200px;
  background:var(--panel);border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-lg);padding:7px;z-index:80;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.16s;
}
.menu.open{opacity:1;visibility:visible;transform:none}
.menu .mh{padding:9px 12px;border-bottom:1px solid var(--border);margin-bottom:6px}
.menu .mh .n{font-weight:700;font-size:13.5px;color:var(--text)}
.menu .mh .r{font-size:11.5px;color:var(--muted)}
.menu a.mi,.menu button.mi{
  display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border-radius:9px;
  font-size:13.5px;color:var(--text-2);cursor:pointer;background:none;border:0;
  font-family:inherit;text-align:left;transition:.13s;
}
.menu a.mi:hover,.menu button.mi:hover{background:var(--panel-2);color:var(--text)}
.menu a.mi.danger:hover{background:var(--bad-soft);color:var(--bad)}
.menu .note{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;transition:.13s}
.menu .note:hover{background:var(--panel-2)}
.menu .note .nic{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;flex-shrink:0}
.menu .note .nic.w{background:var(--warn-soft);color:var(--warn)}
.menu .note .nic.i{background:var(--info-soft);color:var(--info)}
.menu .note .nic.b{background:var(--bad-soft);color:var(--bad)}
.menu .note .nb{display:flex;flex-direction:column;min-width:0}
.menu .note .t{font-size:13px;font-weight:650;color:var(--text)}
.menu .note .s{font-size:11.5px;color:var(--muted)}

/* ============ 移动端侧栏遮罩 ============ */
.scrim{position:fixed;inset:0;background:rgba(10,12,25,.5);z-index:55;opacity:0;visibility:hidden;transition:.2s}
.scrim.open{opacity:1;visibility:visible}

/* ============ 响应式 ============ */
@media(max-width:1180px){
  .tsearch{width:min(220px,26vw)}
}
@media(max-width:900px){
  .side{position:fixed;left:0;top:0;transform:translateX(-100%);box-shadow:var(--shadow-lg)}
  .side.open{transform:none}
  .topbar .hamb{display:grid}
  .topbar{padding:11px 14px;gap:9px}
  .tsearch{display:none}
  .content{padding:16px 14px 44px}
  .tb-title h1{font-size:17px}
}
@media(max-width:620px){
  .avatar .an,.avatar .ico{display:none}
  .avatar{padding:4px}
  .tb-title .crumb{display:none}
}
@media print{.side,.topbar,#toasts{display:none}.content{padding:0}}