:root{
  --lapis:#1B2A4A;
  --lapis-deep:#121D35;
  --robe:#7A1F1F;
  --saffron:#E0A526;
  --bone:#F3EBDD;
  --jade:#2E6B57;
  --vermilion:#B8352A;
  --ink:#2A1C14;
  --line:#E4D7C3;
  --card:#FFFDF8;
  --serif:"Cormorant Garamond","Noto Serif",Georgia,serif;
  --sans:"Be Vietnam Pro","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
  color:var(--ink);
  background:var(--bone);
}
img{max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--saffron);outline-offset:2px}
h1,h2{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0}
.five-band{display:flex;height:8px}
.five-band span{flex:1}
.five-band span:nth-child(1){background:#E9E4D8}
.five-band span:nth-child(2){background:#2F5A9E}
.five-band span:nth-child(3){background:var(--saffron)}
.five-band span:nth-child(4){background:var(--vermilion)}
.five-band span:nth-child(5){background:var(--jade)}

.app{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 8px)}
.side{
  background:var(--lapis-deep);
  color:var(--bone);
  padding:22px 14px;
  position:sticky;
  top:0;
  height:calc(100vh - 8px);
  display:flex;
  flex-direction:column;
  gap:18px;
}
.brand{padding:0 8px;display:flex;align-items:center;gap:12px}
.brand img{
  width:52px;height:52px;object-fit:contain;border-radius:50%;flex:0 0 auto;
  background:#fff;padding:3px;box-shadow:0 0 0 2px var(--saffron)
}
.brand strong{display:block;font-family:var(--serif);font-size:1.7rem;color:var(--saffron)}
.brand span{display:block;color:#CFC3AE;font-size:.92rem}
.nav{display:flex;flex-direction:column;gap:4px}
.nav a{
  display:flex;align-items:center;min-height:44px;
  padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--bone);font-weight:600
}
.nav a:hover,.nav a.active{background:rgba(224,165,38,.18);color:var(--saffron)}
.main{min-width:0}
.top{padding:28px 28px 0}
.top h1{font-size:clamp(2rem,4vw,2.8rem);color:var(--lapis)}
.content{padding:18px 28px 48px}

.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.kpi,.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:10px;
  padding:16px 18px;
}
.kpi span{display:block;color:#6A5646;font-size:.92rem}
.kpi b{display:block;margin-top:4px;font-family:var(--serif);font-size:2.4rem;font-weight:600;color:var(--lapis);line-height:1}
.kpi small{display:block;margin-top:6px;color:#8A7C66}
.card{margin-bottom:16px}
.card h2{font-size:1.7rem;color:var(--robe);margin-bottom:6px}
.muted{color:#6A5646;margin:0 0 14px}

.bars{
  display:flex;align-items:flex-end;gap:6px;
  overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch
}
.bar-col{flex:0 0 36px;display:flex;flex-direction:column;align-items:center;gap:4px}
.bar-n{font-size:11px;color:#6A5646;min-height:16px}
.bar-track{height:120px;width:18px;display:flex;align-items:flex-end;background:#F6F0E4;border-radius:4px}
.bar-fill{display:block;width:100%;background:var(--saffron);border-radius:4px 4px 0 0}
.bar-col.is-today .bar-fill{background:var(--robe)}
.bar-col.is-today .bar-d{color:var(--robe);font-weight:700}
.bar-d{font-size:10px;color:#6A5646}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-list{display:flex;flex-direction:column;gap:10px}
.stat-row{display:grid;grid-template-columns:minmax(90px,1.1fr) 1.4fr auto;gap:8px;align-items:center}
.stat-name{font-weight:600}
.stat-track{height:10px;background:#F6F0E4;border-radius:99px;overflow:hidden}
.stat-fill{display:block;height:100%;background:var(--lapis);border-radius:99px}
.stat-num{font-size:.92rem;color:#6A5646;white-space:nowrap}

.filters{display:grid;grid-template-columns:1.4fr 1fr .8fr .8fr auto;gap:10px;align-items:end;margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px;color:var(--lapis)}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fff;
  border:1px solid #CDBB9C;border-radius:6px;padding:10px 12px;min-height:44px
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--saffron);box-shadow:0 0 0 3px rgba(224,165,38,.28)
}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
.fields .full{grid-column:1/-1}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:44px;padding:10px 16px;border-radius:6px;border:0;
  background:var(--saffron);color:var(--lapis-deep);font:inherit;font-weight:600;
  text-decoration:none;cursor:pointer
}
.btn:hover{background:#F0B83A}
.btn.ghost{background:transparent;color:var(--lapis);border:1px solid var(--lapis)}
.btn.ghost:hover{background:rgba(27,42,74,.06)}
.btn.danger{background:var(--vermilion);color:#fff}
.btn.danger:hover{background:#a42e24}
.btn.small{min-height:40px;padding:8px 12px;font-size:.92rem}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.students th.actions,.students td.actions{
  position:sticky;right:0;z-index:1;background:var(--card);
  box-shadow:-8px 0 10px rgba(42,28,20,.05)
}
.edit-delete{margin-top:12px}

.alert{padding:12px 14px;border-radius:8px;margin-bottom:14px;font-weight:600}
.alert.ok{background:#E5F2EC;color:var(--jade)}
.alert.err{background:#FBE7E4;color:var(--vermilion)}

.table-wrap{overflow-x:auto}
.students{width:100%;border-collapse:separate;border-spacing:0;min-width:980px}
.students th,.students td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.students th{font-size:.85rem;color:#6A5646;font-weight:600}
.students td{background:var(--card)}
.students a.tel{color:var(--lapis);font-weight:600}
.badge{
  display:inline-block;margin-left:6px;font-size:.75rem;font-weight:700;
  background:#F6E3B0;color:var(--robe);padding:2px 7px;border-radius:99px;white-space:nowrap
}
.wish{white-space:pre-wrap;overflow-wrap:anywhere}
.pager{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px}
.edit-panel{border-top:4px solid var(--saffron)}

.add-row{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:8px}
.add-row .field{flex:1 1 220px}
.prov{
  display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;
  padding:12px 0;border-bottom:1px solid var(--line)
}
.prov-main{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.prov-main input{flex:1 1 180px}
.prov-meta{color:#6A5646;font-size:.88rem}
.hidden-tag{color:var(--vermilion);font-weight:700}

.login-wrap{
  min-height:calc(100vh - 8px);display:grid;place-items:center;padding:24px;
  background:radial-gradient(ellipse at 50% 30%,#2A3E69 0%,var(--lapis) 45%,var(--lapis-deep) 100%)
}
.login-card{
  width:min(420px,100%);background:var(--bone);color:var(--ink);
  padding:28px 24px;border-radius:8px;border-top:4px solid var(--saffron)
}
.login-seal{
  width:84px;height:84px;margin:0 auto 16px;padding:5px;border-radius:50%;
  background:#fff;box-shadow:0 0 0 2px var(--saffron),0 0 0 7px rgba(224,165,38,.14)
}
.login-seal img{width:100%;height:100%;object-fit:contain;border-radius:50%;display:block}
.login-card h1{font-size:2.2rem;color:var(--robe);margin-bottom:6px}
.login-card .btn{width:100%;margin-top:8px}
.login-card .back{display:inline-block;margin-top:16px;color:var(--lapis)}

@media(max-width:900px){
  .app{display:block}
  .side{
    position:sticky;top:0;z-index:30;height:auto;
    padding:10px 12px calc(8px + env(safe-area-inset-top,0px));
  }
  .brand img{width:36px;height:36px;padding:2px}
  .brand span{display:none}
  .nav{flex-direction:row;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:6px}
  .nav a{white-space:nowrap;padding:8px 12px}
  .top{padding:18px 14px 0}
  .content{padding:14px 14px calc(28px + env(safe-area-inset-bottom,0px))}
  .kpis,.grid-2,.filters,.fields{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr;gap:4px}
  .prov{grid-template-columns:1fr}
  .table-wrap{overflow:visible}
  .students{min-width:0}
  .students thead{display:none}
  .students,.students tbody,.students tr,.students td{display:block;width:100%}
  .students tr{
    margin-bottom:12px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:var(--card)
  }
  .students td{border:0;padding:8px 0;background:transparent}
  .students td::before{
    content:attr(data-label);display:block;font-size:.78rem;font-weight:700;color:#6A5646
  }
  .students th.actions,.students td.actions{position:static;box-shadow:none}
  .students td.actions{display:flex;flex-wrap:wrap;gap:8px}
  .students td.actions::before{display:none}
  .students td.actions form{margin:0}
  .add-row .btn{width:100%}
}