/* ===== 北邮教学实验室台账 · 主题变量 ===== */
:root{
  /* 官方北邮蓝 + 辅助色（BUPT VI） */
  --bupt:#003399; --bupt-bright:#1746c9; --teal:#00D1C1; --teal-dim:#0a9c92;
  --info:#2C5090; --gold:#FFDE00;
  --amber:#E8920C; --red:#C82910; --green:#006548;
  --radius:16px; --radius-sm:10px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}
html[data-theme="dark"]{
  --bg:#0B0F16; --bg2:#0E1117; --panel:#141A24; --panel2:#1A2130; --elev:#1E2636;
  --line:#232C3B; --line2:#2C3849;
  --ink:#E6EAF2; --ink2:#AEB8C8; --muted:#6C7789;
  --accent:#3D7EFF; --accent-soft:rgba(61,126,255,.15);
  --glow:0 0 0 1px rgba(0,209,193,.06), 0 8px 30px rgba(0,0,0,.45);
  --card-grad:linear-gradient(160deg,#161D29,#121824);
  --side-grad:linear-gradient(180deg,#0C1220,#0A0E16);
  --chart-grid:rgba(255,255,255,.06);
  --status-green-bg:rgba(0,101,72,.18); --status-amber-bg:rgba(232,146,12,.16); --status-red-bg:rgba(200,41,16,.16);
}
html[data-theme="light"]{
  --bg:#f3f6fb; --bg2:#ffffff; --panel:#ffffff; --panel2:#f6f8fc; --elev:#ffffff;
  --line:#e8edf5; --line2:#dbe2ee;
  --ink:#111a29; --ink2:#4a5769; --muted:#8a97ab;
  --accent:#003399; --accent-soft:rgba(0,51,153,.08);
  --glow:0 1px 2px rgba(16,40,90,.05),0 10px 26px rgba(16,40,90,.07);
  --card-grad:#ffffff;
  --side-grad:linear-gradient(180deg,#012a75,#001a4d);
  --chart-grid:rgba(20,40,80,.07);
  --status-green-bg:rgba(0,101,72,.10); --status-amber-bg:rgba(232,146,12,.12); --status-red-bg:rgba(200,41,16,.10);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14.5px/1.55 var(--font);color:var(--ink);background:var(--bg);}
.hidden{display:none !important}
button{font:inherit;cursor:pointer;color:inherit}
h1,h2,h3{margin:0}
canvas{max-height:260px}

/* icons */
i[data-ic]{display:inline-flex;width:18px;height:18px;flex:none}
i[data-ic] svg{width:100%;height:100%}

/* logo */
.bupt-mark{width:100%;height:100%}
.logo-slot{width:42px;height:42px;display:inline-grid;place-items:center;border-radius:50%;
  background:#fff;box-shadow:0 0 0 1px rgba(255,255,255,.15),0 4px 14px rgba(0,20,60,.45);flex:none}
.logo-slot.lg{width:56px;height:56px}
.logo-slot .bupt-mark{width:96%;height:96%}

/* ===== 登录（品牌左屏 + 表单右屏）===== */
.login{min-height:100vh;display:grid;grid-template-columns:1.15fr 1fr;background:var(--bg2)}
.login-hero{position:relative;overflow:hidden;color:#eaf1ff;
  background:linear-gradient(152deg,#0a1f43 0%,#061631 42%,#030f26 78%,#020a1c 100%)}
.login-bg{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 620px at 8% 4%,rgba(0,92,184,.55),transparent 60%),
    radial-gradient(760px 560px at 96% 104%,rgba(0,209,193,.28),transparent 55%),
    radial-gradient(500px 500px at 72% 68%,rgba(46,120,230,.30),transparent 60%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.022) 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.022) 0 1px,transparent 1px 46px);}
.hero-fx{position:absolute;inset:0;pointer-events:none;opacity:.9}
.hero-fx svg{width:100%;height:100%;display:block}
.hero-glow{position:absolute;width:340px;height:340px;right:8%;bottom:20%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(0,209,193,.35),rgba(10,92,184,.12) 45%,transparent 70%);filter:blur(6px);animation:heroBreathe 7s ease-in-out infinite}
@keyframes heroBreathe{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(1.12);opacity:1}}
@keyframes fxpulse{0%,100%{opacity:.45}50%{opacity:1}}
.fx-pulse{animation:fxpulse 3.5s ease-in-out infinite}
.hero-inner{position:relative;z-index:2;height:100%;box-sizing:border-box;padding:56px 60px;display:flex;flex-direction:column;justify-content:center;gap:6px;max-width:640px;margin-left:auto}
.hero-brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.hero-brand-t{display:flex;flex-direction:column;line-height:1.35}
.hero-brand-t strong{font-size:17px;color:#fff;letter-spacing:.5px}
.hero-brand-t span{font-size:9.5px;color:#7fa8dd;letter-spacing:.6px}
.hero-title{font-size:52px;line-height:1.12;font-weight:800;letter-spacing:2px;color:#fff;margin:0}
.hero-en{font-size:16px;letter-spacing:5px;color:var(--teal);margin:10px 0 0;text-transform:uppercase}
.hero-tags{display:flex;gap:10px;margin:32px 0 8px}
.hero-tags span{padding:6px 16px;border:1px solid rgba(0,209,193,.4);border-radius:30px;font-size:13.5px;color:#d6f7f3;background:rgba(0,209,193,.08)}
.hero-sub{font-size:12px;color:#7fa8dd;letter-spacing:1.5px;margin:0}
.hero-stats{display:flex;gap:40px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1)}
.hero-stats b{display:block;font-size:26px;font-weight:750;color:#fff;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:12px;color:#89a7cf}
/* 右侧登录：始终浅色悬浮卡片（与主题无关，贴合设计稿） */
.login-panel{display:grid;place-items:center;padding:28px;background:#eef2f8}
.login-card{width:min(420px,100%);background:#fff;border:1px solid #eaeef5;border-radius:22px;
  box-shadow:0 24px 60px rgba(16,40,90,.14);padding:44px 40px;display:flex;flex-direction:column;gap:18px}
.login-head{text-align:center;margin-bottom:6px}
.login-head h2{font-size:34px;font-weight:800;letter-spacing:1px;color:#111a29}
.login-head p{margin:8px 0 0;color:#8a97ab;font-size:14px}
.field{position:relative;display:flex;align-items:center}
.field>i[data-ic]{position:absolute;left:16px;width:20px;height:20px;color:#9aa6ba;pointer-events:none}
.field input{width:100%;padding:15px 16px 15px 46px;border:1.5px solid #e3e9f2;border-radius:12px;background:#f7f9fc;color:#111a29;font-size:15px}
.field input:focus{outline:none;border-color:var(--bupt);background:#fff;box-shadow:0 0 0 3px rgba(0,51,153,.12)}
.field .eye{position:absolute;right:10px;width:34px;height:34px;border:0;background:none;color:#9aa6ba;display:grid;place-items:center;border-radius:8px}
.field .eye:hover{color:var(--bupt);background:#eef2fb}
.field .eye i{width:20px;height:20px}
.login-submit{margin-top:6px;padding:15px;border:0;border-radius:12px;font-size:16px;font-weight:600;letter-spacing:2px;
  color:#fff;background:var(--bupt);box-shadow:0 10px 22px rgba(0,51,153,.28);transition:.15s}
.login-submit:hover{background:#00287a;box-shadow:0 12px 26px rgba(0,51,153,.36)}
.login-submit:active{transform:translateY(1px)}
.forgot{text-align:center;color:var(--bupt);font-size:14px;cursor:pointer;font-weight:500}
.forgot:hover{text-decoration:underline}
.login-foot{text-align:center;color:#a2adbe;font-size:12px;margin-top:10px;border-top:1px solid #eef1f6;padding-top:16px}
.err{color:var(--red);font-size:13px;margin:0;min-height:16px;text-align:center}
.hint{font-size:12px;color:var(--muted);margin:2px 0 0;line-height:1.6}
.hint.mb{margin-bottom:12px}
@media(max-width:860px){.login{grid-template-columns:1fr}.login-hero{display:none}.login-card{box-shadow:none;border:0}}

/* 个人信息 */
.profile-info{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;padding:2px 0 6px}
.profile-info>div{display:flex;flex-direction:column;gap:3px;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:10px 12px}
.profile-info span{font-size:11.5px;color:var(--muted)}
.profile-info b{font-size:14px;font-weight:600}
.sec-actions{display:flex;justify-content:flex-end;padding:10px 0 2px}
/* 导航徽标 */
.nav-badge{margin-left:auto;min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--red);color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.side-nav button{position:relative}
/* 找回申请面板 */
.req-panel{background:rgba(245,166,35,.08);border:1px solid rgba(245,166,35,.3);border-radius:var(--radius);padding:14px 16px;margin-bottom:16px}
.req-h{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:14px}
.req-list{display:flex;flex-direction:column;gap:8px}
.req-item{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--line2);border-radius:10px;padding:10px 14px;font-size:13px}
.req-item .rq-u{font-weight:600}
.req-item .rq-c{color:var(--ink2)}
.req-item .rq-t{color:var(--muted);font-size:12px}
.req-item .rq-act{margin-left:auto;display:flex;gap:8px}

/* ===== 应用骨架 ===== */
.app{min-height:100%;display:flex}
.sidebar{width:230px;flex:none;background:var(--side-grad);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh;color:#dfe7f2;overflow:hidden}
.sidebar::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(320px 240px at 50% 112%,rgba(0,209,193,.16),transparent 70%),
    radial-gradient(260px 200px at 20% -6%,rgba(0,92,184,.28),transparent 65%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 40px)}
.sidebar>*{position:relative;z-index:1}
.side-brand{display:flex;align-items:center;gap:12px;padding:6px 6px 18px}
.side-brand-text{display:flex;flex-direction:column;line-height:1.25}
.side-brand-text strong{font-size:15px;color:#fff}
.side-brand-text span{font-size:11px;color:var(--teal);letter-spacing:1.5px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.side-nav button{display:flex;align-items:center;gap:12px;padding:11px 13px;border:0;background:none;border-radius:10px;
  color:#aebacd;font-size:14px;text-align:left;transition:.15s}
.side-nav button:hover{background:rgba(255,255,255,.06);color:#fff}
.side-nav button.active{background:linear-gradient(100deg,rgba(0,209,193,.16),rgba(46,139,230,.10));color:#fff;
  box-shadow:inset 3px 0 0 var(--teal)}
.side-nav button i{color:var(--teal)}
.side-foot{margin-top:auto}
.sysok{display:flex;align-items:center;gap:10px;padding:11px;border:1px solid rgba(0,209,193,.25);border-radius:11px;background:rgba(0,209,193,.06)}
.sysok i{color:var(--teal)}
.sysok strong{display:block;font-size:12.5px;color:#eaf2ff}
.sysok span{font-size:10.5px;color:#8fa0b8;letter-spacing:1px}

.main{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}
html[data-theme="dark"] .main{
  background:
    radial-gradient(1000px 520px at 100% -8%,rgba(10,60,140,.16),transparent 58%),
    radial-gradient(700px 420px at 0% 108%,rgba(0,209,193,.06),transparent 60%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.012) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.012) 0 1px,transparent 1px 56px),
    var(--bg);
  background-attachment:fixed}
.topbar{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;
  border-bottom:1px solid var(--line);background:var(--bg2);position:sticky;top:0;z-index:20}
.topbar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(0,209,193,.45),rgba(46,139,230,.4) 55%,transparent);opacity:.6}
.crumb{display:flex;align-items:baseline;gap:10px}
.crumb span{font-size:17px;font-weight:600}
.crumb em{font-style:normal;color:var(--muted);font-size:12px;letter-spacing:1px}
.top-actions{display:flex;align-items:center;gap:12px}
.sem-picker{display:flex;align-items:center;gap:7px;padding:5px 10px 5px 12px;border:1px solid var(--line2);border-radius:10px;background:var(--panel)}
.sem-picker .sem-cap{font-size:11px;color:var(--teal);letter-spacing:1px;font-weight:600}
.sem-picker select{border:0;background:none;color:var(--ink);font-size:13.5px;font-weight:600;padding:2px 2px;outline:none}
.sem-add{width:24px;height:24px;border:1px solid var(--line2);border-radius:7px;background:var(--panel2);color:var(--teal);font-size:15px;line-height:1;display:grid;place-items:center;flex:none}
.sem-add:hover{border-color:var(--teal);background:var(--accent-soft)}
.hist-banner{display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:10px;font-size:13px;
  color:var(--amber);background:rgba(245,166,35,.1);border:1px solid rgba(245,166,35,.3)}
.hist-banner i{width:16px;height:16px}.hist-banner b{color:var(--ink)}
.icon-btn{width:38px;height:38px;border:1px solid var(--line);background:var(--panel);border-radius:10px;display:grid;place-items:center;color:var(--ink2)}
.icon-btn:hover{border-color:var(--teal);color:var(--teal)}
.user{display:flex;align-items:center;gap:9px;border:1px solid transparent;background:none;border-radius:10px;padding:4px 8px;cursor:pointer}
.user:hover{border-color:var(--line2);background:var(--panel)}
.avatar{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--bupt),var(--teal-dim))}
.user-meta{display:flex;flex-direction:column;line-height:1.2}
.user-meta strong{font-size:13px}
.user-meta span{font-size:11px;color:var(--muted)}
.ghost{border:1px solid var(--line);background:var(--panel);border-radius:9px;padding:7px 13px;color:var(--ink2)}
.ghost:hover{border-color:var(--teal);color:var(--teal)}
.ghost.sm{padding:6px 11px;font-size:13px}

.content{flex:1;padding:22px 24px;max-width:1500px;width:100%;margin:0 auto}
.view{display:flex;flex-direction:column;gap:18px}

/* ===== 看板卡片 ===== */
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.stat{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:relative;overflow:hidden;box-shadow:var(--glow);display:flex;gap:15px;align-items:flex-start;transition:.18s}
.stat:hover{border-color:var(--line2);transform:translateY(-2px)}
.stat::after{content:"";position:absolute;right:-40px;top:-40px;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,var(--accent-soft),transparent 70%);pointer-events:none}
.stat-ic{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;color:#fff;flex:none;box-shadow:0 6px 16px rgba(0,40,90,.35)}
.stat-ic i{width:22px;height:22px}
.ic-blue{background:linear-gradient(140deg,#0A5CB8,#003D7C)}
.ic-teal{background:linear-gradient(140deg,#00D1C1,#0a9c92)}
.ic-violet{background:linear-gradient(140deg,#8f7bff,#6446d6)}
.ic-amber{background:linear-gradient(140deg,#ffbb54,#e0891f)}
.ic-green{background:linear-gradient(140deg,#3fd99a,#1a9c6b)}
.ic-slate{background:linear-gradient(140deg,#5b6b85,#38475e)}
.stat-body{min-width:0;flex:1}
.stat .k{font-size:12.5px;color:var(--ink2)}
.stat .v{font-size:29px;font-weight:750;margin-top:5px;font-variant-numeric:tabular-nums;letter-spacing:.3px;line-height:1.1}
.stat .v small{font-size:13px;color:var(--muted);font-weight:500;margin-left:4px}
.stat .sub{font-size:11.5px;color:var(--muted);margin-top:6px;display:flex;align-items:center;gap:5px}
.stat .sub .up{color:var(--green);font-weight:600}
.stat .sub .down{color:var(--red);font-weight:600}
.stat .mini{height:5px;border-radius:4px;background:var(--line2);overflow:hidden;margin-top:9px}
.stat .mini i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--accent))}

/* ===== 面板 ===== */
.panels{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.panel{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);padding:17px 19px;box-shadow:var(--glow);min-width:0}
.panel.col2{grid-column:span 3}
.panel.col3{grid-column:span 2}
.panel-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel-h h3{font-size:14.5px;display:flex;align-items:baseline;gap:8px;font-weight:650}
.panel-h h3 em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px}
.panel-h h3::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(var(--teal),var(--accent));align-self:center}
/* 环形图 + 图例 */
.donut-wrap{display:flex;align-items:center;gap:16px}
.donut-c{width:150px;height:150px;flex:none;position:relative}
.donut-c canvas{display:block}
.legend{flex:1;display:flex;flex-direction:column;gap:10px;min-width:0}
.legend-item{display:flex;align-items:center;gap:9px;font-size:13px;padding:3px 5px;border-radius:7px;cursor:default;transition:background .12s}
.legend-item:hover,.legend-item.hot{background:var(--accent-soft)}
.legend-dot{width:10px;height:10px;border-radius:3px;flex:none}
.legend-item .lg-label{color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.legend-item .lg-val{margin-left:auto;font-weight:650;font-variant-numeric:tabular-nums}
.legend-item .lg-pct{color:var(--muted);width:42px;text-align:right;font-variant-numeric:tabular-nums}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto}
.table-wrap.card{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--glow)}
/* 使用指南 prose */
.guide-wrap.card{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--glow);padding:8px 34px 40px;max-width:960px}
.guide{color:var(--ink2);font-size:14px;line-height:1.85}
.guide h1{font-size:23px;color:var(--ink);margin:26px 0 6px;font-weight:700}
.guide h2{font-size:18px;color:var(--ink);margin:30px 0 10px;padding-top:16px;border-top:1px solid var(--line);font-weight:700}
.guide h1+*,.guide h2+*,.guide h3+*{margin-top:6px}
.guide h3{font-size:15px;color:var(--ink);margin:20px 0 6px;font-weight:700}
.guide p{margin:9px 0}
.guide ul,.guide ol{margin:9px 0;padding-left:24px}
.guide li{margin:4px 0}
.guide strong{color:var(--ink);font-weight:700}
.guide code{background:var(--panel2);border:1px solid var(--line2);border-radius:5px;padding:1px 6px;font-size:12.5px;font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--accent)}
.guide a{color:var(--accent);text-decoration:none}.guide a:hover{text-decoration:underline}
.guide hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.guide blockquote{margin:12px 0;padding:10px 14px;background:var(--panel2);border-left:3px solid var(--teal);border-radius:0 8px 8px 0;color:var(--ink2);font-size:13px}
.guide table{border-collapse:collapse;width:100%;white-space:normal;font-size:13px;margin:12px 0;display:block;overflow-x:auto}
.guide thead th{position:static;background:var(--panel2);border:1px solid var(--line2);padding:9px 12px;color:var(--ink);text-align:left}
.guide tbody td{border:1px solid var(--line2);padding:9px 12px;vertical-align:top}
.guide tbody tr:hover{background:transparent}
table{border-collapse:collapse;width:100%;white-space:nowrap;font-size:13px}
thead th{position:sticky;top:0;background:var(--panel2);text-align:left;padding:13px 15px;color:var(--ink2);
  font-weight:600;font-size:12px;border-bottom:1px solid var(--line2);letter-spacing:.3px}
tbody td{padding:13px 15px;border-bottom:1px solid var(--line)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--accent-soft)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;border:1px solid transparent}
.tag.teal{color:var(--teal);background:rgba(0,209,193,.12);border-color:rgba(0,209,193,.3)}
.tag.blue{color:var(--accent);background:var(--accent-soft);border-color:var(--accent)}
.tag.gray{color:var(--muted);background:var(--panel2);border-color:var(--line2)}
.tag.amber{color:var(--amber);background:var(--status-amber-bg);border-color:transparent}
.tag.green{color:var(--green);background:var(--status-green-bg);border-color:transparent}
.tag.red{color:var(--red);background:var(--status-red-bg);border-color:transparent}
html[data-theme="light"] .tag.green{color:#0a7a56}
.row-actions{display:flex;gap:6px}
.row-actions button{border:0;background:none;padding:4px 9px;border-radius:7px;font-size:12.5px}
.row-actions .edit{color:var(--accent)}.row-actions .edit:hover{background:var(--accent-soft)}
/* 台账：状态列左固定、操作列右固定（横滚始终可见）；编辑为主，删除收进“更多” */
#ledgerTable th.col-status,#ledgerTable td.col-status{position:sticky;left:0;z-index:2;background:var(--panel);box-shadow:7px 0 8px -8px rgba(0,0,0,.35)}
#ledgerTable th.col-op,#ledgerTable td.col-op{position:sticky;right:0;z-index:2;background:var(--panel);box-shadow:-7px 0 8px -8px rgba(0,0,0,.35)}
#ledgerTable th.col-status,#ledgerTable th.col-op{background:var(--panel2);z-index:4}
tbody tr:hover td.col-status,tbody tr:hover td.col-op{background:var(--accent-soft)}
#ledgerTable .row-actions{justify-content:flex-start;align-items:center;gap:4px}
#ledgerTable .row-actions .edit{border:1px solid var(--accent);border-radius:7px;padding:4px 12px;font-weight:600}
#ledgerTable .row-actions .edit:hover{background:var(--accent);color:#fff}
.more-b{border:1px solid var(--line2);background:var(--panel);color:var(--ink2);width:28px;height:28px;border-radius:7px;font-size:16px;line-height:1;display:inline-flex;align-items:center;justify-content:center}
.more-b:hover{border-color:var(--accent);color:var(--accent)}
#rowMenu{position:fixed;z-index:80;min-width:150px}
.menu-item.danger{color:var(--red)}
.menu-item.danger:hover{background:rgba(255,90,110,.12);color:var(--red)}
.row-actions .warnb{color:var(--amber)}.row-actions .warnb:hover{background:rgba(245,166,35,.12)}
.row-actions .del{color:var(--red)}.row-actions .del:hover{background:rgba(255,90,110,.12)}
.muted-cell{color:var(--muted);font-size:12px}
tr.unassigned-row{background:rgba(245,166,35,.06)}
tr.unassigned-row td{border-top:1px dashed var(--line2)}
tr.undone-row td{opacity:.5}
.undo-btn{border:1px solid var(--accent);background:var(--accent-soft);color:var(--accent);border-radius:8px;padding:5px 14px;font-size:12.5px;font-weight:600}
.undo-btn:hover{background:var(--accent);color:#fff}
#statTable tbody tr.drill{cursor:pointer}
.drill-arrow{color:var(--muted);opacity:0;transition:.15s;font-weight:700}
#statTable tbody tr.drill:hover .drill-arrow{opacity:1;color:var(--accent)}
.empty{text-align:center;color:var(--muted);padding:40px}
/* 分页 */
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:2px;font-size:13px;color:var(--ink2)}
.pager .p-total{color:var(--muted)}
.pager .p-right{display:flex;align-items:center;gap:9px}
.pager select{padding:6px 9px;border:1px solid var(--line2);border-radius:8px;background:var(--panel);color:var(--ink);font-size:13px}
.pager .p-btns{display:flex;gap:5px}
.pager .p-btn{min-width:32px;height:32px;padding:0 9px;border:1px solid var(--line2);border-radius:8px;background:var(--panel);color:var(--ink2);font-size:13px;display:inline-flex;align-items:center;justify-content:center}
.pager .p-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.pager .p-btn.active{background:var(--bupt);border-color:var(--bupt);color:#fff}
.pager .p-btn:disabled{opacity:.4;cursor:default}
.pager .p-ell{min-width:22px;text-align:center;color:var(--muted)}
.progress{height:7px;border-radius:6px;background:var(--line2);overflow:hidden;min-width:90px;display:inline-block;vertical-align:middle}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--accent))}

/* ===== 台账头部：统计 + 操作分区 ===== */
.ledger-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.ledger-actions{display:flex;gap:8px;align-items:center;flex:none}
/* ===== 筛选栏（独立成一块，整齐分区）===== */
.filter-bar{display:flex;gap:9px;align-items:center;flex-wrap:wrap;
  background:var(--card-grad);border:1px solid var(--line);border-radius:12px;padding:11px 13px;box-shadow:var(--glow)}
.filter-bar::before{content:"筛选";font-size:11px;color:var(--muted);letter-spacing:1px;margin-right:2px;align-self:center}
.filter-bar #collegeFilter{max-width:210px}
.filter-bar #fCampus,.filter-bar #fBuilding,.filter-bar #fStatus{max-width:150px}
.filter-bar .btn{margin-left:0}
.filter-bar #resetFilters{margin-left:auto}

/* ===== 快捷统计筛选 ===== */
.quick-stats{display:flex;gap:10px;flex-wrap:wrap}
.qs{display:flex;flex-direction:column;gap:2px;min-width:96px;padding:11px 15px;border:1px solid var(--line);border-radius:11px;background:var(--card-grad);cursor:pointer;transition:.15s;box-shadow:var(--glow)}
.qs:hover{border-color:var(--line2);transform:translateY(-1px)}
.qs.active{border-color:var(--teal);box-shadow:0 0 0 1px var(--teal),var(--glow)}
.qs .qn{font-size:22px;font-weight:750;font-variant-numeric:tabular-nums;line-height:1}
.qs .ql{font-size:12px;color:var(--muted)}
.qs.all .qn{color:var(--accent)} .qs.unfilled .qn{color:var(--amber)} .qs.partial .qn{color:#8f7bff}
.qs.filled .qn{color:var(--green)} .qs.anomaly .qn{color:var(--red)}

/* ===== 高级筛选面板 ===== */
.adv-panel{background:var(--card-grad);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--glow)}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.adv-field{display:flex;flex-direction:column;gap:6px}
.adv-field label{font-size:12px;color:var(--ink2)}
.adv-field select,.adv-field input{padding:8px 10px;border:1px solid var(--line2);border-radius:8px;background:var(--panel2);color:var(--ink);font-size:13px;width:100%}
.adv-field select:focus,.adv-field input:focus{outline:none;border-color:var(--teal)}
.range{display:flex;align-items:center;gap:6px}
.range input{width:100%}
.range span{color:var(--muted)}

/* ===== 已选条件标签 ===== */
.active-tags{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.active-tags .lead{font-size:12.5px;color:var(--muted)}
.cond{display:inline-flex;align-items:center;gap:6px;padding:4px 6px 4px 11px;border-radius:20px;font-size:12.5px;
  background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent)}
.cond b{font-weight:600}
.cond button{border:0;background:none;color:inherit;width:17px;height:17px;border-radius:50%;display:grid;place-items:center;font-size:12px;line-height:1}
.cond button:hover{background:rgba(0,0,0,.12)}
.cond.clear{background:none;border-color:var(--line2);color:var(--muted);cursor:pointer;padding:4px 12px}
.cond.clear:hover{border-color:var(--red);color:var(--red)}

/* ===== 更多操作菜单 ===== */
.more-wrap{position:relative}
.menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--elev);border:1px solid var(--line2);border-radius:11px;
  box-shadow:0 14px 34px rgba(0,0,0,.4);padding:6px;min-width:180px;z-index:30;display:flex;flex-direction:column}
.menu-item{display:block;text-align:left;border:0;background:none;color:var(--ink);padding:9px 12px;border-radius:8px;font-size:13.5px;cursor:pointer}
.menu-item:hover{background:var(--accent-soft);color:var(--accent)}

/* ===== 弹窗内单选/复选 ===== */
.radio,.chk{display:flex;align-items:center;gap:10px;padding:8px 4px;font-size:13.5px;color:var(--ink);cursor:pointer}
.radio input,.chk input{width:16px;height:16px;accent-color:var(--bupt)}
.radio em,.chk em{font-style:normal;color:var(--teal);font-weight:600}

/* ===== 工具栏/控件 ===== */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.tb-left,.tb-right{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.pill{background:var(--accent-soft);color:var(--accent);border-radius:20px;padding:3px 13px;font-size:13px;font-weight:600}
.ctl{padding:8px 11px;border:1px solid var(--line2);border-radius:9px;background:var(--panel);color:var(--ink);font-size:13.5px}
.ctl:focus{outline:none;border-color:var(--teal)}
.search{min-width:240px}
.btn{border:1px solid var(--line2);background:var(--panel);border-radius:9px;padding:8px 14px;color:var(--ink);font-size:13.5px;display:inline-flex;align-items:center;gap:6px}
.btn:hover{border-color:var(--teal);color:var(--teal)}
.btn.ghost{color:var(--muted)}
.primary{border:0;border-radius:9px;padding:9px 16px;font-size:13.5px;font-weight:600;color:#fff;display:inline-flex;align-items:center;gap:6px;
  background:linear-gradient(120deg,var(--bupt),var(--bupt-bright));box-shadow:0 4px 14px rgba(0,61,124,.35)}
.primary:hover{filter:brightness(1.12)}
.primary i,.btn i{width:15px;height:15px}

/* ===== 弹窗 ===== */
.modal{position:fixed;inset:0;background:rgba(4,8,14,.6);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:60;padding:20px}
.modal-card{background:var(--panel);border:1px solid var(--line2);border-radius:16px;width:min(560px,100%);max-height:92vh;overflow:auto;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.modal-card.wide{width:min(820px,100%)}
.modal-h{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 12px}
.modal-h h3{font-size:17px}
.modal-h .x{border:0;background:none;color:var(--muted);font-size:16px;width:30px;height:30px;border-radius:8px}
.modal-h .x:hover{background:var(--panel2);color:var(--ink)}
.form-section{padding:0 22px 8px}
.sec-label{font-size:12px;font-weight:700;color:var(--teal);letter-spacing:1px;margin:10px 0;display:flex;align-items:baseline;gap:8px;text-transform:uppercase}
.sec-label em{font-style:normal;color:var(--muted);font-weight:500;letter-spacing:0;text-transform:none;font-size:12px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.form-grid.one{grid-template-columns:1fr;padding:0 22px}
.form-grid label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--ink2)}
.form-grid label.req span::after{content:" *";color:var(--red)}
.lock-hint{font-style:normal;font-size:10px;opacity:.65}
/* 凭据卡 */
.cred-box{background:var(--panel2);border:1px solid var(--line2);border-radius:11px;padding:6px 14px;margin:4px 0 10px}
.cred-row{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.cred-row:last-child{border-bottom:0}
.cred-row>span{width:64px;flex:none;color:var(--muted);font-size:12.5px}
.cred-row>b{color:var(--ink);word-break:break-all}
.cred-row .mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px;letter-spacing:.5px;color:var(--accent)}
.form-grid input,.form-grid select{padding:9px 11px;border:1px solid var(--line2);border-radius:8px;background:var(--panel2);color:var(--ink);font-size:13.5px}
.form-grid input:focus,.form-grid select:focus{outline:none;border-color:var(--teal)}
.form-grid input:disabled,.form-grid select:disabled{opacity:.5}
.form-grid .miss{border-color:var(--red)!important;box-shadow:0 0 0 2px rgba(255,90,110,.18)}
.form-grid input[readonly]{opacity:.6;background:var(--bg)}
.aux-note{margin:0 22px;padding:10px 12px;border-radius:9px;background:rgba(245,166,35,.1);border:1px solid rgba(245,166,35,.3);color:var(--amber);font-size:12.5px}
/* 多课程卡片 */
.mini-add{margin-left:auto;border:1px solid var(--line2);background:var(--panel2);color:var(--teal);border-radius:8px;padding:4px 11px;font-size:12px;font-weight:600;letter-spacing:0}
.mini-add:hover{border-color:var(--teal)}
.mini-link{margin-left:auto;border:0;background:none;color:var(--amber);font-size:12px;font-weight:600;letter-spacing:0;text-transform:none;cursor:pointer;padding:0}
.mini-link::before{content:"⚑ "}
.mini-link:hover{text-decoration:underline}
.form-grid textarea{padding:9px 11px;border:1px solid var(--line2);border-radius:8px;background:var(--panel2);color:var(--ink);font-size:13.5px;font-family:inherit;resize:vertical}
.form-grid textarea:focus{outline:none;border-color:var(--teal)}
#courseList{display:flex;flex-direction:column;gap:12px}
.course-card{border:1px solid var(--line2);border-radius:11px;background:var(--panel2);padding:12px 13px}
.course-card-h{display:flex;align-items:center;margin-bottom:10px}
.course-no{font-size:12px;font-weight:700;color:var(--ink2)}
.course-del{margin-left:auto;border:1px solid var(--line2);background:var(--panel);color:var(--red);border-radius:7px;padding:3px 10px;font-size:12px}
.course-del:hover{border-color:var(--red)}
.course-fields{grid-template-columns:repeat(3,1fr)}
.course-empty{color:var(--muted);font-size:12.5px;padding:6px 2px}
.course-badge{display:inline-block;margin-left:6px;padding:1px 7px;border-radius:20px;font-size:10.5px;font-weight:700;background:var(--accent-soft);color:var(--accent);vertical-align:middle;cursor:help}
td.hoverable{cursor:help}
td.hoverable:hover{background:var(--panel2)}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:16px 22px 22px}

/* toast */
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--elev);border:1px solid var(--line2);
  color:var(--ink);padding:11px 20px;border-radius:11px;font-size:14px;z-index:100;box-shadow:0 12px 30px rgba(0,0,0,.4)}
.toast.ok{border-color:var(--green);color:var(--green)}
.toast.err{border-color:var(--red);color:var(--red)}

@media(max-width:1100px){.panels{grid-template-columns:repeat(2,1fr)}.panel.col2{grid-column:span 2}}
@media(max-width:820px){
  .sidebar{position:fixed;left:-240px;z-index:40;transition:.2s}
  .form-grid{grid-template-columns:1fr 1fr}
  .panels{grid-template-columns:1fr}.panel.col2{grid-column:span 1}
}