/* 彼岸辰星 · 公共样式（只用系统字体，国内打开不依赖外部字体服务） */
/* Layout: fixed ink-navy rail on the left, light working canvas on the right; collapses to a top bar on phones. */
:root{
  --bg:#F3F5F9; --surface:#FFFFFF; --sunk:#F7F8FB; --ink:#17213A; --muted:#647089; --line:#E2E6EE;
  --nav:#121B30; --nav-fg:#B9C2D6; --nav-hi:#FFFFFF; --nav-sel:#1E2A45;
  --accent:#B5852A; --accent-soft:#F6EEDC; --primary:#1F3460; --primary-fg:#FFFFFF;
  --danger:#C2412D; --danger-soft:#FBEAE6; --warn:#B66E0B; --warn-soft:#FCF1DF; --ok:#2C7D55; --ok-soft:#E3F2EA; --info:#2F5DA8; --info-soft:#E7EEFA;
  --f-display:"Songti SC","STSong","SimSun","Noto Serif SC",serif; --f-body:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif; --f-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E1320; --surface:#161D2D; --sunk:#121928; --ink:#E5E9F2; --muted:#98A2B8; --line:#263049;
  --nav:#0A0F1A; --nav-fg:#9EA8BF; --nav-hi:#FFFFFF; --nav-sel:#1A2338;
  --accent:#D9AA4E; --accent-soft:#33291A; --primary:#C9D6F2; --primary-fg:#121B30;
  --danger:#F08A76; --danger-soft:#3A1F1C; --warn:#E9A84C; --warn-soft:#382A16; --ok:#6CC596; --ok-soft:#173326; --info:#8FB1EC; --info-soft:#1B2843;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E1320; --surface:#161D2D; --sunk:#121928; --ink:#E5E9F2; --muted:#98A2B8; --line:#263049;
  --nav:#0A0F1A; --nav-fg:#9EA8BF; --nav-hi:#FFFFFF; --nav-sel:#1A2338;
  --accent:#D9AA4E; --accent-soft:#33291A; --primary:#C9D6F2; --primary-fg:#121B30;
  --danger:#F08A76; --danger-soft:#3A1F1C; --warn:#E9A84C; --warn-soft:#382A16; --ok:#6CC596; --ok-soft:#173326; --info:#8FB1EC; --info-soft:#1B2843;
  color-scheme:dark}
html,body{height:100%}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:14px;line-height:1.55}
*{box-sizing:border-box}
button,input,select,textarea{font:inherit;color:inherit}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.app{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100%}
/* rail */
.rail{background:var(--nav);color:var(--nav-fg);display:flex;flex-direction:column;gap:20px;padding:22px 14px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px}
.brand-mark{width:36px;height:36px;border-radius:9px;background:#1E2A45;display:grid;place-items:center;flex:none}
.brand-name{font-family:var(--f-display);color:var(--nav-hi);font-size:18px;letter-spacing:.06em;line-height:1.2}
.brand-sub{font-size:11px;color:var(--nav-fg);letter-spacing:.08em}
.nav{display:flex;flex-direction:column;gap:2px}
.nav button{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--nav-fg);font-size:14px}
.nav button:hover{color:var(--nav-hi);background:rgba(255,255,255,.04)}
.nav button[aria-current="true"]{background:var(--nav-sel);color:var(--nav-hi)}
.nav button[aria-current="true"] .dot{background:#D9AA4E}
.nav .dot{width:6px;height:6px;border-radius:50%;background:#3A4766;flex:none}
.nav .count{margin-left:auto;font-family:var(--f-mono);font-size:11px;background:#3A1F1C;color:#F3A190;padding:0 7px;border-radius:9px}
.nav button:focus-visible{outline:2px solid #D9AA4E;outline-offset:1px}
.rail-foot{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;background:#18223A}
.avatar-sm{width:30px;height:30px;border-radius:50%;background:#2B3A5E;color:#fff;display:grid;place-items:center;font-size:13px;flex:none}
.rail-foot .who{color:var(--nav-hi);font-size:13px}
.rail-foot .role{font-size:11px}
/* main */
.main{min-width:0;padding-inline:28px;padding-block:20px 48px}
.topbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.crumb{font-size:13px;color:var(--muted)}
.crumb b{color:var(--ink);font-weight:500}
.crumb button{all:unset;cursor:pointer;color:var(--muted)}
.crumb button:hover{color:var(--ink)}
.topbar .spacer{flex:1}
.view-pick{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
select,input[type=text],input[type=date],textarea{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:7px 10px;min-width:0}
select:focus,input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.today{font-family:var(--f-mono);font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:6px 10px;background:var(--surface)}
h1{font-family:var(--f-display);font-size:24px;font-weight:700;margin:0;letter-spacing:.02em;text-wrap:balance}
h2{font-size:15px;font-weight:700;margin:0}
.page-head{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.page-head p{margin:2px 0 0;color:var(--muted);font-size:13px}
.btn{cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 12px;font-size:13px;white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--primary);color:var(--primary-fg);border-color:var(--primary)}
.btn.primary:hover{opacity:.92}
.btn.gold{background:var(--accent-soft);color:var(--accent);border-color:transparent;font-weight:500}
.btn.sm{padding:3px 9px;font-size:12px}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
/* kpi */
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:4px;cursor:pointer;text-align:left}
.kpi:hover{border-color:var(--muted)}
.kpi .lab{font-size:12px;color:var(--muted)}
.kpi .num{font-family:var(--f-mono);font-size:28px;font-weight:600;line-height:1.1}
.kpi .hint{font-size:12px;color:var(--muted)}
.kpi.alert .num{color:var(--danger)}
.kpi.warn .num{color:var(--warn)}
/* panels */
.cols{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:16px;align-items:start}
.stack{display:flex;flex-direction:column;gap:16px;min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);min-width:0}
.panel-h{display:flex;align-items:center;gap:8px;padding:14px 16px 10px}
.panel-h .sub{color:var(--muted);font-size:12px}
.panel-h .spacer{flex:1}
.rows{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 16px;border-top:1px solid var(--line)}
.row:hover{background:var(--sunk)}
.row .t{font-weight:500;overflow-wrap:anywhere}
.row .s{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.link{all:unset;cursor:pointer;color:var(--info)}
.link:hover{text-decoration:underline}
.cd{font-family:var(--f-mono);font-size:12px;font-weight:600;padding:3px 0;border-radius:6px;text-align:center;font-variant-numeric:tabular-nums}
.cd.over{background:var(--danger-soft);color:var(--danger)}
.cd.soon{background:var(--warn-soft);color:var(--warn)}
.cd.calm{background:var(--sunk);color:var(--muted)}
.cd.done{background:var(--ok-soft);color:var(--ok)}
.pill{display:inline-flex;align-items:center;gap:4px;font-size:12px;padding:1px 8px;border-radius:999px;white-space:nowrap;font-weight:500}
.pill.serving{background:var(--info-soft);color:var(--info)}
.pill.pending{background:var(--warn-soft);color:var(--warn)}
.pill.closed{background:var(--ok-soft);color:var(--ok)}
.pill.danger{background:var(--danger-soft);color:var(--danger)}
.pill.muted{background:var(--sunk);color:var(--muted);border:1px solid var(--line)}
.pill.gold{background:var(--accent-soft);color:var(--accent)}
.empty{padding:18px 16px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{font-weight:500;color:var(--muted);text-align:left;padding:8px 16px;border-top:1px solid var(--line);white-space:nowrap;font-size:12px}
td{padding:10px 16px;border-top:1px solid var(--line);vertical-align:middle}
.scroll{overflow-x:auto}
.num-c{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
/* student grid */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar input[type=text]{width:260px;max-width:100%}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}
.seg button{all:unset;cursor:pointer;padding:6px 12px;font-size:13px;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--primary);color:var(--primary-fg)}
.seg button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:12px;cursor:pointer;text-align:left}
.card:hover{border-color:var(--muted)}
.card:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.who-row{display:flex;gap:10px;align-items:center}
.av{width:38px;height:38px;border-radius:10px;background:var(--info-soft);color:var(--info);display:grid;place-items:center;font-weight:700;flex:none}
.who-row .nm{font-weight:700;font-size:15px}
.who-row .en{color:var(--muted);font-size:12px;margin-left:6px;font-weight:400}
.who-row .meta{color:var(--muted);font-size:12px}
.who-row .pill{margin-left:auto}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:12px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;text-align:right;font-weight:500;overflow-wrap:anywhere}
.bar{height:5px;border-radius:3px;background:var(--sunk);overflow:hidden;border:1px solid var(--line)}
.bar i{display:block;height:100%;background:var(--accent)}
.card-foot{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px}
.card-foot .over{color:var(--danger);font-weight:500}
/* detail */
.dhead{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.dhead .av{width:48px;height:48px;font-size:20px;border-radius:12px}
.dhead .info{min-width:0;flex:1}
.dhead .nm{font-family:var(--f-display);font-size:20px;font-weight:700}
.dhead .nm .en{font-family:var(--f-body);font-size:13px;color:var(--muted);font-weight:400;margin-left:8px}
.dhead .meta{color:var(--muted);font-size:13px;display:flex;gap:6px 14px;flex-wrap:wrap}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs button{all:unset;cursor:pointer;padding:9px 14px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--ink);border-color:var(--accent);font-weight:500}
.tabs button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.tabs .badge{font-family:var(--f-mono);font-size:11px;margin-left:4px;color:var(--danger)}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border-top:1px solid var(--line)}
.facts div{background:var(--surface);padding:12px 16px}
.facts .lab{font-size:12px;color:var(--muted)}
.facts .val{font-family:var(--f-mono);font-size:17px;font-weight:600}
.task{display:grid;grid-template-columns:22px minmax(0,1fr) auto;gap:12px;padding:12px 16px;border-top:1px solid var(--line);align-items:start}
.task.done .t{text-decoration:line-through;color:var(--muted)}
.task input[type=checkbox]{width:16px;height:16px;margin-top:3px;accent-color:var(--accent)}
.task .t{font-weight:500}
.task .s{font-size:12px;color:var(--muted);display:flex;gap:4px 10px;flex-wrap:wrap;margin-top:2px}
.task .acts{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.task .cd{padding:2px 8px}
.file{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:12px;padding:12px 16px;border-top:1px solid var(--line);align-items:center}
.ext{width:36px;height:42px;border-radius:5px;display:grid;place-items:end center;padding-bottom:5px;font-family:var(--f-mono);font-size:9px;font-weight:600;color:#fff}
.ext.pdf{background:#C2412D}.ext.docx{background:#2F5DA8}.ext.xlsx{background:#2C7D55}.ext.pptx{background:#C76A1E}.ext.none{background:transparent;border:1.5px dashed var(--line);color:var(--muted)}
.file .t{font-weight:500;overflow-wrap:anywhere}
.file .s{font-size:12px;color:var(--muted)}
.file select{font-size:12px;padding:4px 8px}
.note{padding:12px 16px;border-top:1px solid var(--line);display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px}
.note .when{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.note .t{font-weight:500}
.note .by{font-size:12px;color:var(--accent)}
.note p{margin:4px 0 0;color:var(--ink);font-size:13px;max-width:68ch}
.form{display:flex;gap:8px;flex-wrap:wrap;padding:12px 16px;border-top:1px solid var(--line);background:var(--sunk);align-items:center}
.form input[type=text]{flex:1 1 180px}
.form textarea{flex:1 1 100%;min-height:64px;resize:vertical}
.month{font-family:var(--f-display);font-size:16px;padding:16px 16px 6px;display:flex;align-items:baseline;gap:8px}
.month .sub{font-family:var(--f-body);font-size:12px;color:var(--muted)}
.load td{font-variant-numeric:tabular-nums}
.load .hot{color:var(--danger);font-weight:600}
/* modal + toast */
.scrim{position:fixed;inset:0;background:rgba(10,14,24,.45);display:grid;place-items:center;padding:16px;z-index:20}
.modal{background:var(--surface);border-radius:12px;border:1px solid var(--line);width:min(520px,100%);padding:18px;display:flex;flex-direction:column;gap:12px}
.modal textarea{width:100%;min-height:150px;line-height:1.6}
.nsform{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px}
.nsform label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);min-width:0}
.nsform input,.nsform select{color:var(--ink);font-size:14px}
@media (max-width:480px){.nsform{grid-template-columns:minmax(0,1fr)}}
.modal .acts{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.modal .s{font-size:12px;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:8px 16px;border-radius:8px;font-size:13px;z-index:30}
.login{min-height:100%;display:grid;place-items:center;padding:32px 16px;background:var(--nav)}
.login-card{background:var(--surface);border-radius:14px;width:min(420px,100%);padding:26px 24px;display:flex;flex-direction:column;gap:18px}
.login-card .brand{padding:0}
.login-name{font-family:var(--f-display);font-size:20px;letter-spacing:.06em}
.login-sub{font-size:12px;color:var(--muted)}
.login-form{display:flex;flex-direction:column;gap:6px}
.login-form label{font-size:12px;color:var(--muted);margin-top:4px}
.login-form button{margin-top:10px}
.login-form input{padding:9px 12px}
.login-err{font-size:12px;color:var(--danger);background:var(--danger-soft);padding:6px 10px;border-radius:6px;margin-top:6px}
.demo{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:6px}
.demo-h{font-size:12px;color:var(--muted);margin-bottom:2px}
.demo-acct{all:unset;cursor:pointer;display:flex;gap:10px;align-items:center;padding:7px 10px;border-radius:8px;border:1px solid var(--line);font-size:13px;line-height:1.4}
.demo-acct:hover{border-color:var(--muted)}
.demo-acct:focus-visible{outline:2px solid var(--accent)}
.demo-acct small{color:var(--muted);font-size:11px}
.demo-acct .avatar-sm,.me-chip .avatar-sm{background:var(--info-soft);color:var(--info);width:28px;height:28px;font-size:12px}
.me-chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.me-chip b{color:var(--ink);font-weight:500}
input[type=password]{background:var(--surface);border:1px solid var(--line);border-radius:8px;min-width:0}
input[type=number]{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:5px 8px;width:110px;font-family:var(--f-mono)}
.formula{padding:10px 16px 14px;font-size:13px;color:var(--muted);border-top:1px solid var(--line)}
.formula b{color:var(--ink)}
.deliv{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:12px 16px;border-top:1px solid var(--line)}
.deliv .t{font-weight:500}.deliv .s{font-size:12px;color:var(--muted)}
.stepper{display:flex;align-items:center;gap:8px}
.stepper .mono{min-width:52px;text-align:center;font-size:13px}
.btn:disabled{opacity:.4;cursor:not-allowed}
.rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0;border-top:1px solid var(--line)}
.rule{min-width:0;border-right:1px solid var(--line)}
.rule-h{padding:12px 16px}
.rule-h .s{font-size:12px;color:var(--muted);margin-top:2px}
.rule td,.rule th{padding:6px 16px}
.sample{font-size:11px;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:0 5px;margin-left:6px;vertical-align:2px;letter-spacing:.05em}
@media (max-width:1080px){.cols{grid-template-columns:minmax(0,1fr)}.facts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){
  .app{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 16px}
  .nav{flex-direction:row;overflow-x:auto;width:100%;gap:4px}
  .nav button{padding:7px 10px;white-space:nowrap}
  .rail-foot{display:none}
  .main{padding-inline:16px}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:480px){
  .row{grid-template-columns:64px minmax(0,1fr)}
  .row > :last-child{grid-column:2}
  .task{grid-template-columns:22px minmax(0,1fr)}
  .task .acts{grid-column:2;justify-content:flex-start}
  .file{grid-template-columns:40px minmax(0,1fr)}
  .file > :last-child{grid-column:2}
  .note{grid-template-columns:1fr}
  .grid{grid-template-columns:minmax(0,1fr)}
  .toolbar input[type=text]{width:100%}
}
@media (prefers-reduced-motion:no-preference){.card,.kpi,.btn{transition:border-color .15s,opacity .15s}}

/* 正式版新增 */
.nav a{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--nav-fg);font-size:14px}
.nav a:hover{color:var(--nav-hi);background:rgba(255,255,255,.04)}
.nav .sep{height:1px;background:#26324D;margin:8px 4px}
.rail-foot{flex-direction:column;align-items:stretch}
.rail-foot .me{display:flex;gap:10px;align-items:center}
.rail-foot .acts{display:flex;gap:6px}
.rail-foot .acts button{all:unset;cursor:pointer;flex:1;text-align:center;font-size:12px;color:var(--nav-fg);padding:5px 0;border-radius:6px;background:#1E2A45}
.rail-foot .acts button:hover{color:#fff}
.loading{padding:40px 0;color:var(--muted);text-align:center}
.err-box{background:var(--danger-soft);color:var(--danger);padding:10px 14px;border-radius:8px;font-size:13px}
.audit td{font-size:12px}
.file a.dl{color:var(--info);text-decoration:none}
.file a.dl:hover{text-decoration:underline}
.uform{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px}
.uform label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);min-width:0}
.uform input,.uform select{color:var(--ink);font-size:14px}
@media (max-width:480px){.uform{grid-template-columns:minmax(0,1fr)}}
@media (max-width:860px){
  .nav{align-items:center}
  .nav .sep{display:none}
  .nav a,.nav button{white-space:nowrap;flex:none}
  .rail-foot{display:flex;margin-top:0;background:none;padding:0;width:100%}
  .rail-foot .me{display:none}
  .rail-foot .acts{justify-content:flex-end}
  .rail-foot .acts button{flex:none;padding:5px 12px}
}
.dhead .info{flex:1 1 240px}

/* v1.1 合同编辑 */
.modal{max-height:92vh;overflow:auto}
.modal:has(.ce){width:min(780px,100%)}
.ce{display:flex;flex-direction:column;gap:10px}
.ce-items td{padding:6px 8px}
.ce-items th{padding:6px 8px}
.ce-items input[type=text]{width:100%;min-width:90px}
.ce-items input[type=number]{width:100px}
.ce textarea{width:100%}
.ce > label.lab{display:flex;flex-direction:column;gap:4px}