:root{--navy:#1b2560;--navy-2:#26337d;--gold:#c9a227;--gold-soft:#f6edcf;--ink:#1d2333;--paper:#f4f5f9;--line:#dfe2ec}
body{font-family:'Hind Siliguri',system-ui,sans-serif;background:var(--paper);color:var(--ink);font-size:15.5px}
.sidebar{position:fixed;inset:0 auto 0 0;width:248px;background:var(--navy);color:#fff;display:flex;flex-direction:column;z-index:1040;transition:transform .2s}
.brand{display:flex;gap:10px;align-items:center;padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.12)}
.brand img{width:46px;height:46px;border-radius:50%;background:#fff}
.brand b{display:block;font-size:15px;line-height:1.25}.brand small{display:block;font-size:11.5px;opacity:.7;line-height:1.3}
.sidebar nav{flex:1;overflow-y:auto;padding:8px 0}
.sidebar nav a{display:flex;gap:11px;align-items:center;color:rgba(255,255,255,.82);text-decoration:none;padding:8px 18px;border-left:3px solid transparent}
.sidebar nav a:hover{background:var(--navy-2);color:#fff}
.sidebar nav a.active{border-left-color:var(--gold);background:var(--navy-2);color:#fff;font-weight:600}
.sidebar nav a.active i{color:var(--gold)}
.who{padding:12px 18px;font-size:13px;border-top:1px solid rgba(255,255,255,.12)}.who a{color:var(--gold);margin-left:6px}
.content{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}
.topbar h1{font-size:20px;font-weight:700;margin:0}
.page{padding:22px 24px;flex:1}
footer{padding:12px 24px;font-size:12.5px;color:#7a8099}
.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.panel h2{font-size:16.5px;font-weight:700;margin:0 0 12px}
.stat{background:#fff;border:1px solid var(--line);border-left:4px solid var(--navy);border-radius:8px;padding:14px 16px}
.stat.gold{border-left-color:var(--gold)}.stat .n{font-size:24px;font-weight:700;color:var(--navy)}.stat .l{font-size:13.5px;color:#5b6278}
.btn-primary{--bs-btn-bg:var(--navy);--bs-btn-border-color:var(--navy);--bs-btn-hover-bg:var(--navy-2);--bs-btn-hover-border-color:var(--navy-2);--bs-btn-active-bg:var(--navy-2)}
.btn-gold{background:var(--gold);color:#1b1b1b;border-color:var(--gold)}.btn-gold:hover{background:#b8921c;color:#000}
.table{--bs-table-bg:transparent}.table thead th{font-weight:600;color:#4a5170;background:#f0f2f8;white-space:nowrap}
.month-chip{display:inline-block;padding:4px 10px;border-radius:20px;border:1px solid var(--line);margin:3px;font-size:13.5px;cursor:pointer;user-select:none}
.month-chip.paid{background:#e6f4ea;border-color:#b7dfc2;color:#1e7b3a;cursor:default}
.month-chip input{margin-right:5px}
.att-row.absent{background:#fdecec}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.backdrop{display:none}
@media (max-width:991px){.sidebar{transform:translateX(-100%)}.content{margin-left:0}
 body.nav-open .sidebar{transform:none}body.nav-open .backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1030}
 .page{padding:16px 12px}.topbar{padding:10px 12px}}
/* Print documents */
.doc{background:#fff;max-width:760px;margin:0 auto;padding:24px;border:1px solid var(--line)}
.doc-head{display:flex;gap:14px;align-items:center;border-bottom:2px solid var(--navy);padding-bottom:10px;margin-bottom:14px}
.doc-head img{width:64px;height:64px;border-radius:50%}.doc-head h3{margin:0;font-size:21px;font-weight:700;color:var(--navy)}.doc-head p{margin:0;font-size:13px}
.doc-title{display:inline-block;background:var(--navy);color:#fff;padding:3px 16px;border-radius:4px;font-weight:600;margin-bottom:12px}
.admit{border:2px solid var(--navy);border-radius:8px;padding:14px;margin-bottom:14px;page-break-inside:avoid;background:#fff}
@media print{body{background:#fff;font-size:13px}.content{margin:0}.page{padding:0}.doc{border:0;padding:0;max-width:none}
 .page-break{page-break-after:always}}
@media (prefers-reduced-motion:reduce){.sidebar{transition:none}}