:root{
  --bg:#f5f5f8;
  --bg-alt:#ffffff;
  --brand:#8b0014;
  --brand-soft:#f7e5e7;
  --brand-deep:#5c000d;
  --muted:#6b7280;
  --text:#111827;
  --line:#e5e7eb;
  --accent:#8b0014;
  --accent-soft:#fff2f4;
  --danger:#b91c1c;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, #fbeaea 0%, var(--bg) 55%, #eef2ff 100%);
  color:var(--text);
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.page{min-height:100vh;display:flex;flex-direction:column;}
.page-main{
  max-width:1080px;
  margin:0 auto;
  padding:16px 16px 32px;
}

.topbar{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:10px 16px;
  background:rgba(255,255,255,0.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-block{
  display:flex;
  flex-direction:column;
}
.brand-main{
  font-weight:700;
  color:var(--brand-deep);
  letter-spacing:1px;
  font-size:15px;
}
.brand-sub{
  font-size:12px;
  color:var(--muted);
}
.topbar-actions{
  display:flex;
  gap:10px;
  align-items:center;
  font-size:13px;
}
.link{
  color:var(--text);
  padding:4px 6px;
  border-radius:999px;
}
.link:hover{
  background:var(--brand-soft);
  text-decoration:none;
}

.section{
  margin-top:18px;
}
.section-header{
  margin-bottom:12px;
}
.page-title{
  margin:0 0 4px;
  font-size:22px;
  font-weight:650;
  letter-spacing:0.5px;
}
.page-subtitle{
  margin:0;
  font-size:13px;
  color:var(--muted);
}

.card{
  background:var(--bg-alt);
  border-radius:14px;
  border:1px solid var(--line);
  padding:14px 14px 16px;
}
.card-elevated{
  box-shadow:0 10px 30px rgba(15,23,42,0.08);
}

h1{margin:0 0 6px 0;font-size:22px}
h2{margin:0 0 10px 0;font-size:17px}
.muted{color:var(--muted);margin:0 0 10px 0}
.muted.small{font-size:12px}
.small{font-size:12px}
label{display:block;margin:8px 0}
input,select,textarea{
  width:100%;
  background:#f9fafb;
  color:var(--text);
  border:1px solid var(--line);
  border-radius:10px;
  padding:9px 11px;
  outline:none;
  font-size:14px;
}
textarea{
  resize:vertical;
  min-height:80px;
}
input:focus,select:focus,textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 1px rgba(139,0,20,0.08);
  background:#ffffff;
}

.btn{
  border:none;
  border-radius:999px;
  padding:9px 16px;
  background:#e5e7eb;
  color:var(--text);
  font-weight:600;
  cursor:pointer;
  font-size:14px;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line);
}
.btn-outline{
  background:var(--accent-soft);
  border:1px solid var(--accent);
  color:var(--accent);
}
.btn.danger,
.btn-outline.danger{
  border-color:var(--danger);
  color:var(--danger);
}
.btn-block{
  width:100%;
}
.btn:hover{
  filter:brightness(1.03);
}

.row{
  display:flex;
  gap:10px;
  align-items:center;
}
.row-tight{
  margin-top:4px;
}
.row select{flex:1}

.msg{
  margin-top:8px;
  color:var(--muted);
  font-size:12px;
}
.msg.err{color:var(--danger)}

.grid2{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media(min-width: 900px){
  .page-main{padding:20px 16px 40px;}
  .grid2{grid-template-columns:1.1fr 1fr;}
}

.table-wrapper{
  margin-top:8px;
  overflow-x:auto;
}
.table{
  width:100%;
  min-width:440px;
  border-collapse:collapse;
  margin-top:4px;
  overflow:hidden;
  border-radius:12px;
  border:1px solid var(--line);
  background:#ffffff;
}
.table th,.table td{
  border-bottom:1px solid #e5e7eb;
  border-right:1px solid #e5e7eb;
  padding:8px 10px;
  vertical-align:middle;
  font-size:12px;
}
.table th{
  background:#f9fafb;
  text-align:center;
  font-weight:600;
}
.table td{
  background:#ffffff;
  text-align:center;
}

.cell-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  padding:6px 0;
  word-break:break-word;
}
.cell-tags{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:4px;
}
.cell-main{
  font-weight:650;
  line-height:1.2;
}
.cell-sub{
  color:var(--muted);
  line-height:1.2;
}

.pill{
  display:inline-block;
  padding:2px 8px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:11px;
}

.page-footer{
  padding:14px 16px 18px;
  border-top:1px solid var(--line);
  background:rgba(248,250,252,0.95);
  text-align:center;
  font-size:11px;
  color:var(--muted);
}
.footer-main{margin-bottom:2px;}

.page-login{
  min-height:100vh;
  padding:24px 16px 32px;
  gap:20px;
  align-items:stretch;
}
.login-hero{
  max-width:420px;
}
.login-school{
  font-size:16px;
  color:var(--brand-deep);
  letter-spacing:1px;
  margin-bottom:4px;
}
.login-title{
  font-size:22px;
  font-weight:700;
  margin-bottom:6px;
}
.login-subtitle{
  font-size:13px;
  color:var(--muted);
}
.login-card{
  max-width:420px;
}
@media(min-width: 900px){
  .page-login{
    flex-direction:row;
    justify-content:center;
    align-items:center;
  }
}

.textarea{
  font-family:inherit;
}