/* =========================================================
   芒果 AI 中转站 · 液态玻璃 UI
   深色 / 浅色 / 暗夜蓝三主题，抽屉侧栏，全端自适应
   ========================================================= */
:root{
  --bg:#070b14; --bg2:#0c1324; --panel:rgba(20,28,48,.62); --panel2:rgba(26,36,62,.72);
  --text:#e9eefb; --muted:#94a1bd; --line:rgba(150,175,235,.16);
  --accent:#7c9cff; --accent2:#59d9c8; --danger:#ff7a8a; --warn:#ffc46b; --ok:#63e0ae;
  --shadow:0 18px 50px rgba(0,0,0,.38); --radius:18px;
  --glass:blur(22px) saturate(150%);
  --side:248px; --top:60px;
}
[data-theme="light"]{
  --bg:#e9eef8; --bg2:#dfe7f6; --panel:rgba(255,255,255,.58); --panel2:rgba(255,255,255,.76);
  --text:#17203a; --muted:#5c6a86; --line:rgba(30,50,100,.14);
  --accent:#3f63e0; --accent2:#0d9f8f; --shadow:0 18px 44px rgba(50,70,120,.16);
}
[data-theme="nightblue"]{
  --bg:#020a18; --bg2:#04152b; --panel:rgba(10,32,58,.66); --panel2:rgba(14,42,74,.78);
  --text:#dceeff; --muted:#87a7c6; --line:rgba(90,170,240,.2);
  --accent:#4db6ff; --accent2:#3ee0c0; --shadow:0 18px 50px rgba(0,10,30,.5);
}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:radial-gradient(1200px 700px at 70% -10%,rgba(90,120,255,.20),transparent 60%),
             radial-gradient(900px 600px at 10% 100%,rgba(50,220,190,.12),transparent 55%),
             var(--bg);
  color:var(--text); font-size:14px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:.2px}
p{margin:0}
code{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-size:12px}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(130,155,210,.35);border-radius:9px}
::selection{background:rgba(124,156,255,.35)}

/* 背景光斑 */
.ambient{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:-1}
.ambient span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55}
.ambient span:nth-child(1){width:420px;height:420px;background:rgba(86,110,255,.28);top:-120px;right:8%}
.ambient span:nth-child(2){width:360px;height:360px;background:rgba(40,210,180,.16);bottom:-140px;left:4%}
.ambient span:nth-child(3){width:280px;height:280px;background:rgba(180,90,255,.14);top:40%;left:55%}

.glass{
  background:var(--panel); border:1px solid var(--line); border-radius:var(--radius);
  backdrop-filter:var(--glass); -webkit-backdrop-filter:var(--glass);
  box-shadow:var(--shadow);
}
.card{padding:20px}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card-title h2{font-size:16px}
.muted{color:var(--muted)}
.tiny{font-size:12px;color:var(--muted)}
.row{display:flex;align-items:center}
.gap{gap:10px}
.wrap{flex-wrap:wrap}
.spacer{flex:1}
.grid{display:grid;gap:14px}
.grid.two{grid-template-columns:1fr 1fr}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}

/* 顶栏 */
.topbar{
  height:var(--top); display:flex;align-items:center;gap:12px;padding:0 18px;
  position:sticky;top:0;z-index:30;background:rgba(8,12,22,.55);
  backdrop-filter:blur(18px);border-bottom:1px solid var(--line);
}
[data-theme="light"] .topbar{background:rgba(255,255,255,.55)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-mark{width:26px;height:26px;stroke:var(--accent);fill:none;stroke-width:1.7}
.topbar .spacer{flex:1}
.icon-btn{
  width:38px;height:38px;display:inline-grid;place-items:center;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);transition:.2s;
}
.icon-btn:hover{background:rgba(124,156,255,.16);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7}
.avatar-chip{display:flex;align-items:center;gap:8px;padding:5px 10px 5px 5px;border-radius:30px;border:1px solid var(--line);background:rgba(255,255,255,.05)}
.avatar{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(140deg,var(--accent),var(--accent2));color:#08101f;font-weight:800;font-size:12px}

/* 侧栏 */
.side{
  position:fixed;left:0;top:0;bottom:0;width:var(--side);z-index:40;padding:16px 12px;
  background:linear-gradient(180deg,rgba(14,20,36,.86),rgba(10,15,28,.78));
  border-right:1px solid var(--line);backdrop-filter:blur(26px);
  transform:translateX(0);transition:transform .28s cubic-bezier(.22,1,.36,1),width .28s;
  display:flex;flex-direction:column;
}
[data-theme="light"] .side{background:linear-gradient(180deg,rgba(255,255,255,.82),rgba(240,245,255,.74))}
.side .brand{padding:6px 8px 18px}
.side nav{display:flex;flex-direction:column;gap:4px;overflow-y:auto;flex:1;padding-right:2px}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:12px;cursor:pointer;
  color:var(--muted);font-size:13.5px;border:1px solid transparent;transition:.18s;user-select:none;
}
.nav-item svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7;flex:none}
.nav-item:hover{color:var(--text);background:rgba(124,156,255,.10)}
.nav-item.active{color:#fff;background:linear-gradient(120deg,rgba(124,156,255,.28),rgba(89,217,200,.16));border-color:rgba(124,156,255,.32);box-shadow:0 8px 22px rgba(60,90,200,.18)}
[data-theme="light"] .nav-item.active{color:#17203a}
.side .foot{padding-top:10px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:center;font-size:12px;color:var(--muted)}
.side-collapsed .side{transform:translateX(-100%)}
.overlay{position:fixed;inset:0;background:rgba(2,6,14,.55);z-index:35;opacity:0;pointer-events:none;transition:.2s}
body.side-mobile-open .overlay{opacity:1;pointer-events:auto}

.main{margin-left:var(--side);transition:margin .28s;min-height:100vh;display:flex;flex-direction:column}
.side-collapsed .main{margin-left:0}
.content{padding:22px clamp(14px,3vw,34px) 40px;max-width:1400px;width:100%;margin:0 auto}

/* 按钮 / 表单 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 15px;
  border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.06);
  color:var(--text);font-size:13px;cursor:pointer;transition:.18s;white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);background:rgba(124,156,255,.14)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7}
.btn.primary{background:linear-gradient(120deg,var(--accent),#5f86ff);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(80,110,250,.28)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:rgba(255,122,138,.35)}
.btn.sm{height:30px;padding:0 10px;font-size:12px;border-radius:9px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field span{font-size:12px;color:var(--muted)}
input,select,textarea{
  width:100%;padding:10px 12px;border-radius:11px;border:1px solid var(--line);
  background:rgba(10,16,30,.55);color:var(--text);font-size:13.5px;outline:none;font-family:inherit;transition:.18s;
}
[data-theme="light"] input,[data-theme="light"] select,[data-theme="light"] textarea{background:rgba(255,255,255,.72)}
input:focus,select:focus,textarea:focus{border-color:rgba(124,156,255,.55);box-shadow:0 0 0 3px rgba(124,156,255,.14)}
textarea{resize:vertical;min-height:90px}
.switch{display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-size:13px;color:var(--muted)}
.switch input{display:none}
.switch .track{width:40px;height:22px;border-radius:20px;background:rgba(255,255,255,.12);position:relative;transition:.2s}
.switch .track:after{content:'';position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;top:3px;left:3px;transition:.2s}
.switch input:checked + .track{background:linear-gradient(120deg,var(--accent),var(--accent2))}
.switch input:checked + .track:after{left:21px}

/* 表格 */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:500;font-size:12px;background:rgba(255,255,255,.03)}
tr:hover td{background:rgba(124,156,255,.05)}
.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:20px;font-size:11.5px;border:1px solid var(--line);color:var(--muted)}
.badge.ok{color:var(--ok);border-color:rgba(99,224,174,.35);background:rgba(99,224,174,.10)}
.badge.bad{color:var(--danger);border-color:rgba(255,122,138,.35);background:rgba(255,122,138,.10)}
.badge.warn{color:var(--warn);border-color:rgba(255,196,107,.35);background:rgba(255,196,107,.10)}

/* 仪表 */
.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.hero h1{font-size:clamp(22px,3vw,30px);letter-spacing:.3px}
.hero p{color:var(--muted);margin-top:4px}
.stat{display:flex;flex-direction:column;gap:6px;padding:16px}
.stat .label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px}
.stat .label svg{width:15px;height:15px;stroke:var(--accent);fill:none;stroke-width:1.7}
.stat .value{font-size:clamp(20px,2.6vw,28px);font-weight:750;font-variant-numeric:tabular-nums}
.stat .hint{font-size:11.5px;color:var(--muted)}
.trend{display:flex;align-items:flex-end;gap:6px;height:92px;padding-top:8px}
.trend .bar{flex:1;background:linear-gradient(180deg,var(--accent),rgba(124,156,255,.25));border-radius:6px 6px 2px 2px;min-height:3px;transition:height .4s}

/* 聊天气泡 */
.chat{display:flex;flex-direction:column;gap:10px;max-height:52vh;overflow:auto;padding:6px}
.msg{max-width:82%;padding:10px 14px;border-radius:14px;font-size:13.5px;white-space:pre-wrap;word-break:break-word}
.msg.user{align-self:flex-end;background:linear-gradient(130deg,rgba(124,156,255,.35),rgba(124,156,255,.18));border:1px solid rgba(124,156,255,.3)}
.msg.ai{align-self:flex-start;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.msg.meta{align-self:center;font-size:11.5px;color:var(--muted);background:none;border:none}
.chat-input{display:flex;gap:10px;align-items:flex-end;margin-top:12px}
.chat-input textarea{min-height:52px;max-height:160px}

/* 弹窗 / toast */
.modal-mask{position:fixed;inset:0;background:rgba(3,7,15,.62);backdrop-filter:blur(6px);z-index:60;display:none;align-items:center;justify-content:center;padding:18px}
.modal-mask.show{display:flex}
.modal{width:min(560px,94vw);max-height:88vh;overflow:auto;padding:22px;border-radius:20px;background:var(--panel2);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:var(--glass)}
.modal h3{margin-bottom:12px}
.toasts{position:fixed;right:16px;bottom:18px;z-index:80;display:flex;flex-direction:column;gap:8px}
.toast{padding:10px 16px;border-radius:12px;background:var(--panel2);border:1px solid var(--line);backdrop-filter:var(--glass);box-shadow:var(--shadow);font-size:13px;opacity:0;transform:translateY(8px);transition:.24s}
.toast.show{opacity:1;transform:none}
.toast.ok{border-color:rgba(99,224,174,.4)} .toast.bad{border-color:rgba(255,122,138,.4)}

/* 聊天/人格卡片 */
.persona{display:flex;flex-direction:column;gap:6px;padding:14px;cursor:pointer;transition:.18s}
.persona:hover{transform:translateY(-2px);border-color:rgba(124,156,255,.4)}
.persona .top{display:flex;align-items:center;gap:10px}
.persona .ava{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(124,156,255,.3),rgba(89,217,200,.2));border:1px solid var(--line)}
.persona .ava svg{width:18px;height:18px;stroke:var(--accent);fill:none}
.persona.active{border-color:rgba(124,156,255,.55);box-shadow:0 0 0 3px rgba(124,156,255,.14)}
.tags{display:flex;gap:5px;flex-wrap:wrap}
.tag{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:1px 8px}

/* 代码块 */
.code{position:relative;background:rgba(5,9,18,.62);border:1px solid var(--line);border-radius:12px;padding:14px 14px;overflow:auto}
.code pre{margin:0;font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12.5px;line-height:1.7;white-space:pre;color:#cfe0ff}
.code .copy{position:absolute;right:8px;top:8px}

/* 空态 */
.empty{padding:40px 10px;text-align:center;color:var(--muted)}
.empty svg{width:44px;height:44px;stroke:var(--muted);fill:none;opacity:.5;margin-bottom:8px}

/* 登录页 */
.auth-body{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth-card{width:min(880px,96vw);display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;border-radius:24px}
.auth-visual{padding:34px;background:linear-gradient(150deg,rgba(60,90,200,.28),rgba(10,16,32,.2));display:flex;flex-direction:column;justify-content:space-between;gap:24px;border-right:1px solid var(--line)}
.auth-visual h1{font-size:clamp(24px,3.4vw,34px);line-height:1.25}
.auth-visual p{color:var(--muted);font-size:13px}
.auth-badges{display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:var(--muted)}
.auth-badges i{display:flex;align-items:center;gap:8px;font-style:normal}
.auth-badges svg{width:15px;height:15px;stroke:var(--accent2);fill:none}
.auth-form{padding:30px 28px;display:flex;flex-direction:column;justify-content:center}
.tabs{display:flex;gap:6px;margin-bottom:18px;border:1px solid var(--line);border-radius:12px;padding:4px;background:rgba(255,255,255,.04)}
.tabs button{flex:1;height:32px;border:none;border-radius:9px;background:none;color:var(--muted);cursor:pointer;font-size:13px}
.tabs button.active{background:rgba(124,156,255,.24);color:var(--text)}
.oauth-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px}
.oauth-btn{display:flex;flex-direction:column;align-items:center;gap:5px;padding:9px 4px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:11px;color:var(--muted);cursor:pointer;transition:.18s}
.oauth-btn:hover{transform:translateY(-2px);color:var(--text);border-color:rgba(124,156,255,.4)}
.oauth-btn .mark{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:12px;color:#fff}

/* 帮助 / 维护 / 404 */
.center-page{min-height:100vh;display:grid;place-items:center;padding:24px;text-align:center}
.center-page .glass{padding:36px;max-width:520px}
.big-ico{width:64px;height:64px;stroke:var(--accent);fill:none;stroke-width:1.4;margin-bottom:10px}

/* 安装 */
.install-body{display:block}
.install-wrap{max-width:860px;margin:0 auto;padding:34px 18px 60px;display:flex;flex-direction:column;gap:16px}
.install-head{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.install-head .brand-mark{width:44px;height:44px}
.install-head h1{font-size:24px}
.install-head p{color:var(--muted);font-size:12.5px}
.checks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.checks li{display:flex;align-items:center;gap:8px;font-size:13px;padding:8px 10px;border:1px solid var(--line);border-radius:10px}
.checks b{margin-left:auto;font-weight:600;font-size:12px}
.dot{width:8px;height:8px;border-radius:50%}
.dot.ok{background:var(--ok)} .dot.bad{background:var(--danger)}
.alert{padding:10px 12px;border-radius:10px;font-size:13px;margin:10px 0}
.alert.bad{background:rgba(255,122,138,.12);border:1px solid rgba(255,122,138,.35);color:#ffc2c9}
.install-ok{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:rgba(99,224,174,.16);margin-bottom:10px}
.install-ok svg{width:26px;height:26px;stroke:var(--ok);fill:none;stroke-width:2}

/* 响应式 */
@media (max-width: 1024px){
  :root{--side:220px}
  .grid.four{grid-template-columns:repeat(2,1fr)}
  .grid.three{grid-template-columns:repeat(2,1fr)}
  .auth-card{grid-template-columns:1fr}
  .auth-visual{display:none}
}
@media (max-width: 760px){
  .side{transform:translateX(-100%);width:min(82vw,300px);box-shadow:var(--shadow)}
  body.side-mobile-open .side{transform:translateX(0)}
  .side-collapsed .side{transform:translateX(-100%)}
  .main{margin-left:0!important}
  .content{padding:16px 12px 34px}
  .grid.two,.grid.three,.grid.four{grid-template-columns:1fr}
  .checks{grid-template-columns:1fr}
  .oauth-grid{grid-template-columns:repeat(4,1fr)}
  .hide-mobile{display:none}
  .msg{max-width:92%}
  table{font-size:12px}
  th,td{padding:9px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important;animation:none!important}
}