:root{
  --ink-900:#16233D;
  --ink-800:#1E2E4D;
  --ink-700:#2A3B5C;
  --paper:#EAE6DA;
  --paper-card:#FBF9F4;
  --seal:#A23829;
  --seal-dark:#7E2A1E;
  --seal-soft:rgba(162,56,41,.12);
  --line:#D3CBB6;
  --text:#20262F;
  --text-muted:#71695A;
  --moss:#4F6B4A;
  --moss-soft:#E4EBDF;
  --amber:#A9762F;
  --amber-soft:#F3E9D6;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--paper);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
.serif{font-family:"Songti SC","STSong","Noto Serif SC",serif;}
#app{min-height:100vh;}

/* ---------- Identity gate ---------- */
.gate-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:
  radial-gradient(circle at 20% 20%, rgba(255,255,255,.05), transparent 40%), var(--ink-900);}
.gate-card{background:var(--paper-card);width:380px;max-width:90vw;border-radius:8px;padding:36px 32px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);position:relative;}
.gate-seal{position:absolute;top:-28px;left:50%;transform:translateX(-50%) rotate(-8deg);width:64px;height:64px;
  border-radius:50%;background:var(--seal);color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:"Songti SC",serif;font-size:22px;box-shadow:0 6px 16px rgba(162,56,41,.4);letter-spacing:1px;}
.gate-title{text-align:center;margin-top:20px;font-size:20px;letter-spacing:4px;color:var(--ink-900);}
.gate-sub{text-align:center;font-size:12px;color:var(--text-muted);margin-top:6px;margin-bottom:26px;letter-spacing:1px;}
.gate-error{background:var(--seal-soft);color:var(--seal-dark);font-size:12.5px;padding:9px 12px;border-radius:4px;margin-bottom:14px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:6px;letter-spacing:1px;}
.field input, .field select, .field textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:4px;background:#fff;
  font-size:14px;color:var(--text);font-family:inherit;}
.field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--seal);outline-offset:1px;}
.roletoggle{display:flex;gap:8px;}
.roletoggle .opt{flex:1;text-align:center;padding:9px;border:1px solid var(--line);border-radius:4px;cursor:pointer;
  font-size:13px;color:var(--text-muted);}
.roletoggle .opt.sel{background:var(--ink-900);color:#fff;border-color:var(--ink-900);}
.btn{display:inline-block;padding:10px 18px;border-radius:4px;border:none;font-size:13px;cursor:pointer;
  font-family:inherit;letter-spacing:1px;}
.btn-seal{background:var(--seal);color:#fff;width:100%;padding:11px;font-size:14px;margin-top:6px;}
.btn-seal:hover{background:var(--seal-dark);}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text);}
.btn-moss{background:var(--moss);color:#fff;}
.btn-line{background:transparent;border:1px solid var(--seal);color:var(--seal);}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- Shell ---------- */
.shell{display:flex;min-height:100vh;}
.sidebar{width:216px;background:var(--ink-900);flex-shrink:0;padding:22px 0;position:sticky;top:0;height:100vh;}
.brand{padding:0 22px 20px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:10px;}
.brand .bt{color:#EDEAE0;font-size:19px;letter-spacing:5px;}
.brand .bs{color:rgba(255,255,255,.4);font-size:10px;letter-spacing:2px;margin-top:4px;}
.navitem{padding:12px 22px;display:flex;align-items:center;gap:10px;cursor:pointer;color:#B9B2A0;font-size:13.5px;
  border-left:3px solid transparent;letter-spacing:1px;}
.navitem:hover{color:#fff;}
.navitem.active{color:#fff;background:rgba(255,255,255,.06);border-left-color:var(--seal);}
.navitem .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5;flex-shrink:0;}
.main{flex:1;min-width:0;}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 32px;
  border-bottom:1px solid var(--line);background:var(--paper-card);}
.topbar h1{font-size:16px;margin:0;letter-spacing:1px;color:var(--ink-900);}
.userchip{display:flex;align-items:center;gap:10px;}
.seal-avatar{width:30px;height:30px;border-radius:50%;background:var(--seal);color:#fff;display:flex;
  align-items:center;justify-content:center;font-family:"Songti SC",serif;font-size:13px;flex-shrink:0;}
.uc-name{font-size:13px;color:var(--text);}
.uc-role{font-size:11px;color:var(--text-muted);}
.logout{font-size:11px;color:var(--text-muted);text-decoration:underline;cursor:pointer;margin-left:6px;}
.content{padding:26px 32px 60px;max-width:1180px;}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
.statcard{background:var(--paper-card);border:1px solid var(--line);border-radius:6px;padding:16px 18px;}
.statcard .num{font-family:"Songti SC",serif;font-size:26px;color:var(--ink-900);line-height:1;}
.statcard .label{font-size:11.5px;color:var(--text-muted);margin-top:6px;letter-spacing:.5px;}

.toolbar{display:flex;gap:10px;margin-bottom:16px;align-items:center;flex-wrap:wrap;}
.toolbar input[type=text]{padding:8px 12px;border:1px solid var(--line);border-radius:4px;font-size:13px;
  background:#fff;min-width:220px;font-family:inherit;}
.chiptab{padding:6px 13px;border:1px solid var(--line);border-radius:16px;font-size:12px;color:var(--text-muted);
  cursor:pointer;background:#fff;}
.chiptab.active{background:var(--ink-900);color:#fff;border-color:var(--ink-900);}
.sectiontitle{font-size:13px;color:var(--ink-900);letter-spacing:1px;margin:26px 0 12px;font-weight:600;
  display:flex;align-items:center;gap:8px;}
.sectiontitle::after{content:'';flex:1;height:1px;background:var(--line);}

/* ---------- Case cards ---------- */
.caselist{display:flex;flex-direction:column;gap:11px;}
.casecard{background:var(--paper-card);border:1px solid var(--line);border-radius:6px;padding:15px 18px;
  cursor:pointer;position:relative;overflow:hidden;}
.casecard:hover{border-color:var(--seal);}
.row1{display:flex;justify-content:space-between;align-items:baseline;gap:10px;}
.cname{font-family:"Songti SC",serif;font-size:16px;color:var(--ink-900);font-weight:600;}
.cid{font-family:"Menlo",monospace;font-size:10.5px;color:var(--text-muted);}
.meta{display:flex;gap:16px;font-size:12px;color:var(--text-muted);margin-top:7px;flex-wrap:wrap;}
.meta b{color:var(--text);font-weight:500;}
.badge{display:inline-block;padding:2px 9px;border-radius:10px;font-size:10.5px;letter-spacing:.5px;}
.badge-term{background:#F1DCD8;color:var(--seal-dark);}
.badge-conflict{background:var(--amber-soft);color:var(--amber);}
.badge-wait{background:#EAEAF0;color:var(--ink-700);}
.ribbon-term{position:absolute;top:10px;right:-32px;background:var(--seal);color:#fff;font-size:11px;
  padding:3px 38px;transform:rotate(30deg);letter-spacing:2px;box-shadow:0 2px 6px rgba(0,0,0,.2);}
.empty{padding:40px 20px;text-align:center;color:var(--text-muted);font-size:13px;border:1px dashed var(--line);
  border-radius:6px;background:var(--paper-card);}

/* ---------- Stamp trail ---------- */
.trail-mini{display:flex;align-items:center;margin-top:10px;}
.stamp{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:flex;align-items:center;
  justify-content:center;font-size:10px;color:var(--text-muted);background:#fff;flex-shrink:0;}
.stamp.done{background:var(--seal);border-color:var(--seal);color:#fff;transform:rotate(-8deg);}
.stamp.current{border-color:var(--seal);color:var(--seal);box-shadow:0 0 0 3px var(--seal-soft);}
.link{flex:1;height:2px;background:var(--line);margin:0 2px;}
.link.done{background:var(--seal);}

.trail-full-wrap{position:relative;padding:6px 0 0;}
.trail-full{display:flex;position:relative;z-index:1;}
.stagecol{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;}
.stagecol .stamp{width:38px;height:38px;font-size:13px;}
.stagecol .slabel{font-size:11px;color:var(--text-muted);margin-top:8px;letter-spacing:.5px;}
.stagecol .sdate{font-size:10px;color:#A39C8A;margin-top:2px;}
.trailbg{position:absolute;top:25px;left:8%;right:8%;height:2px;background:var(--line);z-index:0;}
.trailfg{position:absolute;top:25px;left:8%;height:2px;background:var(--seal);z-index:0;transition:width .3s;}

/* ---------- Info grid / cards ---------- */
.infogrid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px;}
.icard{background:#fff;border:1px solid var(--line);border-radius:6px;padding:16px 18px;}
.icard h4{margin:0 0 10px;font-size:12.5px;color:var(--ink-900);letter-spacing:1px;border-bottom:1px solid var(--line);
  padding-bottom:8px;}
.kv{display:flex;justify-content:space-between;font-size:12.5px;padding:4px 0;color:var(--text);}
.kv span:first-child{color:var(--text-muted);}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px;}
.tag{background:var(--moss-soft);color:var(--moss);font-size:11px;padding:2px 8px;border-radius:10px;}

.timeline{margin-top:22px;}
.tl-item{display:flex;gap:12px;font-size:12.5px;padding:8px 0;border-bottom:1px dashed var(--line);}
.tl-item:last-child{border-bottom:none;}
.tl-time{color:var(--text-muted);width:120px;flex-shrink:0;font-family:"Menlo",monospace;font-size:11px;}
.tl-actor{color:var(--ink-900);font-weight:600;margin-right:6px;}

.actionzone{margin-top:24px;padding-top:20px;border-top:2px solid var(--line);}
.actionzone h4{font-size:13px;color:var(--seal);margin:0 0 12px;letter-spacing:1px;}
.row-btns{display:flex;gap:10px;margin-top:12px;}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.waitnote{font-size:12.5px;color:var(--text-muted);background:#F4F2EA;padding:10px 14px;border-radius:4px;}

/* ---------- Modal ---------- */
.overlay{position:fixed;inset:0;background:rgba(22,35,61,.5);display:flex;align-items:flex-start;
  justify-content:center;padding:40px 20px;overflow-y:auto;z-index:50;}
.modal{background:var(--paper);border-radius:8px;width:760px;max-width:100%;padding:0;position:relative;
  box-shadow:0 30px 80px rgba(0,0,0,.35);}
.modal-head{padding:22px 28px;border-bottom:1px solid var(--line);background:var(--paper-card);
  border-radius:8px 8px 0 0;position:relative;}
.modal-head .mname{font-family:"Songti SC",serif;font-size:20px;color:var(--ink-900);}
.modal-head .mid{font-family:"Menlo",monospace;font-size:11px;color:var(--text-muted);margin-top:4px;}
.modal-close{position:absolute;top:18px;right:20px;cursor:pointer;font-size:20px;color:var(--text-muted);
  background:none;border:none;line-height:1;}
.modal-body{padding:22px 28px 30px;}

/* ---------- New case form ---------- */
.formcard{background:var(--paper-card);border:1px solid var(--line);border-radius:6px;padding:24px 26px;
  max-width:640px;}
.formcard .field textarea{resize:vertical;min-height:56px;}

/* ---------- Pending sections ---------- */
.pcard{background:#fff;border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:6px;
  padding:16px 18px;margin-bottom:12px;}
.pcard.conf{border-left-color:var(--seal);}
.pcard .row1{margin-bottom:8px;}
.inline-form{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);}

/* ---------- Admin-only read tables (行政主管/行政人员) ---------- */
.simpletable{width:100%;border-collapse:collapse;background:var(--paper-card);border:1px solid var(--line);
  border-radius:6px;overflow:hidden;font-size:12.5px;}
.simpletable th,.simpletable td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);}
.simpletable th{background:#F4F2EA;color:var(--text-muted);font-weight:600;letter-spacing:.5px;}
.simpletable tr:last-child td{border-bottom:none;}

@media (max-width:760px){
  .sidebar{display:none;}
  .infogrid,.formgrid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .content{padding:18px;}
  .modal{width:100%;}
}