/* ============================================================================
   layout.css —— 应用外壳：侧边栏 / 顶栏 / 内容区 / 底部 Dock / 登录页
   ============================================================================ */
.app{position:relative;z-index:2;display:flex;min-height:100vh}

/* ---------------- 侧边栏 ---------------- */
.sb{width:var(--sb-w);flex:0 0 var(--sb-w);position:fixed;inset:0 auto 0 0;z-index:40;display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--sb-1),var(--sb-2));
  border-right:1px solid rgba(255,255,255,.06);
  transition:width .28s var(--ease),flex-basis .28s var(--ease);
  box-shadow:14px 0 48px -32px rgba(0,0,0,.95)}
.sb::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 300px at 0% 0%,rgba(59,130,246,.20),transparent 62%),
             radial-gradient(480px 340px at 100% 100%,rgba(139,92,246,.13),transparent 62%)}
.brand{display:flex;align-items:center;gap:12px;padding:22px 18px 18px;position:relative;z-index:1}
.logo{width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;position:relative;
  background:linear-gradient(140deg,#3B82F6,#2563EB 46%,#8B5CF6);
  box-shadow:0 10px 26px -10px rgba(59,130,246,.95),inset 0 1px 0 rgba(255,255,255,.42)}
.logo::after{content:"";position:absolute;inset:-1px;border-radius:12px;z-index:-1;filter:blur(6px);opacity:.75;
  background:linear-gradient(140deg,rgba(147,197,253,.6),rgba(196,181,253,.35))}
.logo svg{width:19px;height:19px}
.brand-txt{min-width:0}
.brand-txt h1{font-size:14px;font-weight:600;color:#F4F8FE;letter-spacing:.2px;white-space:nowrap}
.brand-txt p{font-size:9.5px;color:#5D7392;letter-spacing:2.2px;margin-top:2px;white-space:nowrap}

.nav{flex:1;overflow-y:auto;padding:8px 11px 16px;position:relative;z-index:1}
.nav::-webkit-scrollbar{width:4px}
.nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:9px;border:0;background-clip:border-box}
.ng{padding:17px 11px 7px;font-size:10.5px;letter-spacing:1.3px;color:#4C6080;font-weight:600}
.ni{display:flex;align-items:center;gap:11px;height:40px;padding:0 11px;margin:2px 0;border-radius:10px;
  font-size:calc(13px * var(--ts));color:#93A5BE;cursor:pointer;position:relative;
  transition:.18s var(--ease);text-decoration:none;user-select:none}
.ni:hover{background:rgba(255,255,255,.05);color:#E2EBF8;text-decoration:none}
.ni svg{width:16px;height:16px;flex:0 0 16px;opacity:.7;transition:.18s}
.ni:hover svg{opacity:1}
.ni.on{color:#fff;font-weight:600;background:linear-gradient(100deg,rgba(59,130,246,.30),rgba(59,130,246,.07));
  box-shadow:inset 0 0 0 1px rgba(96,165,250,.26),0 10px 26px -18px rgba(59,130,246,.9)}
.ni.on svg{opacity:1;color:#93C5FD;filter:drop-shadow(0 0 6px rgba(147,197,253,.7))}
.ni.on::before{content:"";position:absolute;left:-11px;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,#93C5FD,#8B5CF6);box-shadow:0 0 14px rgba(147,197,253,.95)}
.ni .ct{margin-left:auto;font-size:10.5px;padding:1px 6px;border-radius:20px;background:rgba(255,255,255,.09);color:#BECDE1}
.ni .ct.hot{background:linear-gradient(140deg,#FB7185,#E11D48);color:#fff;font-weight:600;box-shadow:0 4px 12px -4px rgba(225,29,72,.9)}
.sb-f{padding:14px 16px 18px;border-top:1px solid rgba(255,255,255,.06);position:relative;z-index:1}
.who{display:flex;align-items:center;gap:11px}
.who .av{width:33px;height:33px;flex:0 0 33px;border-radius:10px;display:grid;place-items:center;font-size:12.5px;font-weight:600;
  color:#fff;background:linear-gradient(140deg,#60A5FA,#8B5CF6);box-shadow:0 8px 18px -8px rgba(96,165,250,.95)}
.who b{display:block;font-size:calc(12.5px * var(--ts));color:#E9F1FC;font-weight:600}
.who span{font-size:calc(11.5px * var(--ts));color:#5D7392}
.sb-h{margin-top:11px;padding:9px 11px;border-radius:9px;background:rgba(59,130,246,.09);
  border:1px solid rgba(96,165,250,.16);font-size:calc(11.5px * var(--ts));color:#8FA9C9;
  display:flex;align-items:center;gap:7px}
.sb-h b{color:#93C5FD;font-family:var(--font-mono)}

/* 收起态 */
.app.min{--sb-w:76px}
.app.min .brand-txt,.app.min .ni span:not(.ct),.app.min .ng,.app.min .who div,.app.min .sb-h{display:none}
.app.min .brand{justify-content:center;padding:22px 0 18px}
.app.min .ni{justify-content:center;padding:0}
.app.min .ni .ct{position:absolute;top:2px;right:7px;padding:0 4px;font-size:8.5px}
.app.min .who{justify-content:center}

/* ---------------- 主区 ---------------- */
.main{flex:1;min-width:0;margin-left:var(--sb-w);transition:margin-left .28s var(--ease);display:flex;flex-direction:column}
.tb{position:sticky;top:0;z-index:30;height:var(--tb-h);display:flex;align-items:center;gap:14px;padding:0 24px;
  background:var(--glass-solid);backdrop-filter:blur(22px) saturate(190%);border-bottom:1px solid var(--hair)}
.cr{display:flex;align-items:center;gap:9px;font-size:calc(13px * var(--ts));color:var(--txt-3)}
.cr b{color:var(--txt-0);font-weight:600}
.cr i{color:var(--txt-4);font-style:normal}
.cr a{color:var(--txt-3)}
.cr a:hover{color:var(--txt-1);text-decoration:none}

.srch{margin-left:auto;position:relative;width:288px;cursor:pointer}
.srch .fake{width:100%;height:38px;border-radius:11px;border:1px solid var(--hair);background:var(--glass);
  display:flex;align-items:center;gap:9px;padding:0 11px;font-size:calc(12.5px * var(--ts));color:var(--txt-3);
  transition:.18s;box-shadow:var(--inset)}
.srch:hover .fake{border-color:var(--hair-2);color:var(--txt-1)}
.srch svg{width:15px;height:15px;flex:0 0 15px}
.srch .k{margin-left:auto;font-family:var(--font-mono);font-size:9.5px;padding:2px 6px;border-radius:5px;
  background:rgba(255,255,255,.07);border:1px solid var(--hair);color:var(--txt-3)}
:root[data-theme="light"] .srch .k{background:#fff}
.dv{width:1px;height:22px;background:var(--hair)}
.me{display:flex;align-items:center;gap:9px;padding:4px 12px 4px 4px;border-radius:24px;cursor:pointer;
  transition:.18s;border:1px solid transparent;position:relative}
.me:hover{background:var(--glass);border-color:var(--hair)}
.me .av{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:11.5px;font-weight:600;
  color:#fff;background:linear-gradient(140deg,#60A5FA,#8B5CF6)}
.me b{font-size:calc(12.5px * var(--ts));font-weight:600;color:var(--txt-0)}
.me span{display:block;font-size:calc(11.5px * var(--ts));color:var(--txt-3)}

/* 用户下拉 */
.dropdown{position:absolute;right:0;top:calc(100% + 10px);min-width:222px;padding:7px;z-index:70;
  border-radius:14px;border:1px solid var(--hair-2);background:var(--glass-solid);backdrop-filter:blur(24px);
  box-shadow:0 34px 70px -30px rgba(0,0,0,.95);display:none}
.dropdown.on{display:block;animation:pop .24s var(--ease-out)}
.dropdown .di{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;cursor:pointer;
  font-size:calc(12.5px * var(--ts));color:var(--txt-1);transition:.15s}
.dropdown .di:hover{background:var(--glass-hi);color:var(--txt-0)}
.dropdown .di svg{width:15px;height:15px;opacity:.8}
.dropdown .dt{padding:9px 12px 6px;font-size:10.5px;letter-spacing:1.2px;color:var(--txt-4);font-weight:600}
.dropdown .sep{height:1px;background:var(--hair);margin:6px 8px}

/* 内容区 */
.vp{padding:26px 24px 0;flex:1}
.pg{display:none}
.pg.on{display:block;animation:rise .45s var(--ease-out)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:translateY(-12px) scale(.97)}to{opacity:1;transform:none}}
.ph{display:flex;align-items:flex-end;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.ph h2{font-size:calc(24px * var(--ts));font-weight:600;color:var(--txt-0);letter-spacing:-.4px;display:flex;align-items:center;gap:11px}
.ph h2::before{content:"";width:4px;border-radius:4px;background:linear-gradient(180deg,#93C5FD,#8B5CF6);
  box-shadow:0 0 16px rgba(96,165,250,.9);height:calc(22px * var(--ts));flex:0 0 4px}
.ph p{font-size:calc(12.5px * var(--ts));color:var(--txt-3);margin-top:5px;padding-left:15px}
.ha{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}

/* 底部 Dock */
.dock{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:60;display:flex;align-items:center;gap:4px;
  padding:6px;background:rgba(9,15,27,.86);backdrop-filter:blur(24px) saturate(180%);border-radius:18px;
  box-shadow:0 30px 64px -26px rgba(0,0,0,.98),inset 0 1px 0 rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.1);
  max-width:calc(100vw - 32px);overflow-x:auto}
:root[data-theme="light"] .dock{background:rgba(12,20,36,.9)}
.dock button{height:34px;padding:0 15px;border-radius:12px;border:0;background:transparent;color:#93A5BE;
  font-size:12.5px;font-weight:400;cursor:pointer;transition:.2s var(--ease);white-space:nowrap}
.dock button:hover{background:rgba(255,255,255,.09);color:#E9F1FC}
.dock button.on{background:linear-gradient(140deg,#60A5FA,#2563EB);color:#fff;font-weight:600;
  box-shadow:0 10px 24px -10px rgba(96,165,250,1)}
.dock .sep{width:1px;height:20px;background:rgba(255,255,255,.13);margin:0 4px;flex:0 0 1px}
.dock .tg{display:flex;align-items:center;gap:7px;padding:0 11px;height:34px;border-radius:12px;color:#8FA3BD;
  font-size:12.5px;cursor:pointer;transition:.2s;user-select:none;white-space:nowrap}
.dock .tg:hover{background:rgba(255,255,255,.08);color:#DCE7F4}
.dock .tg svg{width:14px;height:14px}
.dock .tg.hl{color:#C4B5FD}

/* 登录页 */
.login-wrap{position:relative;z-index:2;min-height:100vh;display:grid;place-items:center;padding:32px}
.login-card{width:min(430px,92vw);border-radius:24px;border:1px solid var(--hair-2);background:var(--glass);
  backdrop-filter:blur(24px) saturate(160%);box-shadow:0 44px 96px -44px rgba(0,0,0,.95),var(--inset);padding:38px 36px 32px;
  animation:rise .6s var(--ease-out)}
.login-logo{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin:0 auto 20px;position:relative;
  background:linear-gradient(140deg,#3B82F6,#2563EB 46%,#8B5CF6);
  box-shadow:0 16px 38px -14px rgba(59,130,246,1),inset 0 1px 0 rgba(255,255,255,.42)}
.login-logo::after{content:"";position:absolute;inset:-2px;border-radius:18px;z-index:-1;filter:blur(9px);opacity:.8;
  background:linear-gradient(140deg,rgba(147,197,253,.65),rgba(196,181,253,.4))}
.login-logo svg{width:26px;height:26px}
.login-card h1{font-size:calc(21px * var(--ts));font-weight:600;color:var(--txt-0);text-align:center;letter-spacing:-.3px}
.login-card .sub{font-size:calc(12.5px * var(--ts));color:var(--txt-3);text-align:center;margin-top:7px;margin-bottom:26px}
.login-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--hair);font-size:calc(11.5px * var(--ts));
  color:var(--txt-3);line-height:1.75}
.login-foot b{color:var(--txt-1);font-weight:600}

/* 登录模式：隐藏外壳，内容区铺满 */
body.login-mode .sb,
body.login-mode .tb,
body.login-mode .dock { display: none }
body.login-mode .main { margin-left: 0 }
body.login-mode .vp { padding: 0 }

/* 响应式 */
@media (max-width:1180px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .gc,.g3{grid-template-columns:1fr}
}
@media (max-width:900px){
  :root{--sb-w:76px}
  .brand-txt,.ni span:not(.ct),.ng,.who div,.sb-h{display:none}
  .brand{justify-content:center;padding:22px 0 18px}
  .ni{justify-content:center;padding:0}
  .srch{display:none}
}