/* ============================================================
   Academic Management System — shared theme
   Adapted 1:1 from the original single-file app's design
   (navy #0f2235 / gold #d4af37 theme, cards, tables, forms).
============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:'Segoe UI',Arial,sans-serif;background:#f5f3ee;color:#1a1a1a;font-size:14px;line-height:1.5}

.shell{display:flex;min-height:100vh}
.sidebar{width:210px;background:#0f2235;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.main{flex:1;display:flex;flex-direction:column;min-width:0}

.sb-brand{padding:16px 16px 12px;border-bottom:1px solid rgba(255,255,255,.08);color:#d4af37;font-weight:700;font-size:13px;line-height:1.4}
.sb-brand small{display:block;color:#3a6a8a;font-size:10px;font-weight:400;margin-top:2px}
.sb-section{padding:10px 16px 2px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#2a5070}
.sb-btn{display:block;width:100%;padding:8px 16px;text-align:left;background:none;border:none;border-left:3px solid transparent;color:#6a9abd;font-size:12.5px;cursor:pointer;font-family:inherit;transition:.1s;text-decoration:none}
.sb-btn:hover{background:rgba(212,175,55,.08);color:#d4af37}
.sb-btn.on{background:rgba(212,175,55,.13);color:#f0d060;border-left-color:#d4af37;font-weight:600}
.sb-foot{margin-top:auto;padding:12px 14px;border-top:1px solid rgba(255,255,255,.06);font-size:10px;color:#2a5070;line-height:1.6}
.sb-foot strong{color:#4a7a9b;display:block;margin-bottom:2px}
.sb-foot a{color:#d4af37;text-decoration:none}

.topbar{background:#fff;border-bottom:1px solid #ddd;padding:12px 22px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.topbar-title{font-size:17px;font-weight:700;color:#0f2235}
.topbar-sub{font-size:11px;color:#888;margin-top:1px}
.topbar-actions{display:flex;gap:7px;flex-wrap:wrap}
.topbar-user{display:flex;align-items:center;gap:10px;font-size:12px;color:#666}
.topbar-user a{color:#8b1c1c;text-decoration:none;font-weight:600}
.content{flex:1;padding:20px 22px;max-width:1400px;width:100%}

.btn{display:inline-flex;align-items:center;gap:5px;padding:8px 14px;font-size:12.5px;font-weight:600;border-radius:6px;border:1px solid #bfb090;background:#fff;color:#333;cursor:pointer;font-family:inherit;transition:.12s;white-space:nowrap;text-decoration:none}
.btn:hover{background:#f5f0e8}
.btn-blue{background:#0f2235;color:#d4af37;border-color:#0f2235}.btn-blue:hover{background:#1a3a55}
.btn-gold{background:#d4af37;color:#0f2235;border-color:#d4af37;font-weight:700}.btn-gold:hover{background:#e0c060}
.btn-green{background:#1a6b35;color:#fff;border-color:#1a6b35}.btn-green:hover{background:#145c2c}
.btn-red{background:#fde8e8;color:#8b1c1c;border-color:#f0b0b0}.btn-red:hover{background:#fcc}
.btn-sm{padding:4px 10px;font-size:11.5px}
.btn-xs{padding:3px 9px;font-size:11px;border-radius:4px}

.card{background:#fff;border:1px solid #ddd;border-radius:8px;padding:16px 18px;margin-bottom:14px;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.card-head{font-size:14px;font-weight:700;color:#0f2235;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;border-left:3px solid #d4af37;padding-left:8px}

.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}
.stat-box{background:#fff;border:1px solid #ddd;border-top:3px solid #d4af37;border-radius:8px;padding:14px 16px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.stat-lbl{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#888}
.stat-val{font-size:27px;font-weight:700;color:#0f2235;line-height:1;margin-top:5px}

.tbl-wrap{overflow-x:auto;border:1px solid #ddd;border-radius:8px}
table{width:100%;border-collapse:collapse;font-size:13px}
table th{padding:9px 12px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:#666;border-bottom:2px solid #ddd;background:#f9f7f3;text-align:left;white-space:nowrap}
table td{padding:9px 12px;border-bottom:1px solid #f0ede6;vertical-align:middle}
table tbody tr:last-child td{border-bottom:none}
table tbody tr:hover td{background:#fdfbf7}
table code{font-family:Consolas,monospace;font-size:11px;background:#f0ede6;padding:2px 5px;border-radius:3px;color:#0f3a5e;border:1px solid #e0dbd0}
.td-act{display:flex;gap:5px;white-space:nowrap}

.form-grid{display:grid;gap:12px}
.fg2{grid-template-columns:1fr 1fr}
.fg3{grid-template-columns:1fr 1fr 1fr}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:#666}
.field input,.field select,.field textarea{padding:9px 11px;border:1.5px solid #bfb090;border-radius:5px;font-size:13px;background:#faf8f4;color:#1a1a1a;font-family:inherit;width:100%;transition:.1s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#d4af37;background:#fff;box-shadow:0 0 0 3px rgba(212,175,55,.15)}
.field textarea{resize:vertical;min-height:60px}
.req{color:#8b1c1c}
.hint{font-size:11px;color:#888;margin-top:2px}

.badge{display:inline-block;padding:2px 8px;border-radius:100px;font-size:11px;font-weight:600}
.b-navy{background:#0f2235;color:#d4af37}
.b-gold{background:#fef3c7;color:#78500a;border:1px solid #d4af37}
.b-green{background:#d4edda;color:#1a5c2e}
.b-red{background:#fde8e8;color:#8b1c1c}
.b-blue{background:#dbeafe;color:#1e3a8a}
.b-gray{background:#f0ede6;color:#555}
.b-warn{background:#fff3cd;color:#856404}

.alert{padding:11px 15px;border-radius:6px;font-size:13px;margin-bottom:14px}
.al-info{background:#dbeafe;color:#1e3a8a;border:1px solid #a8c8ea}
.al-warn{background:#fff3cd;color:#856404;border:1px solid #ffc107}
.al-success{background:#d4edda;color:#1a5c2e;border:1px solid #90c09a}
.al-error{background:#fde8e8;color:#8b1c1c;border:1px solid #f0b0b0}

.gA{color:#0d6e2e;font-weight:700}.gAm{color:#1a7a36;font-weight:600}
.gBp{color:#0a3d8a;font-weight:700}.gB{color:#1755a8;font-weight:600}
.gBm{color:#2050a0}.gCp{color:#7a5f00}.gC{color:#6b5000}
.gD{color:#8a3500}.gF{color:#8b1c1c;font-weight:700}

.m-inp{width:70px;padding:5px 7px;border:1.5px solid #bfb090;border-radius:4px;font-size:12px;font-family:Consolas,monospace;text-align:right;background:#faf8f4}
.m-inp:focus{outline:none;border-color:#d4af37;background:#fff}

.tx-bar{background:#0f2235;border-radius:8px;padding:14px 18px;display:flex;margin-bottom:14px}
.tx-m{flex:1;text-align:center;border-right:1px solid rgba(255,255,255,.1);padding:0 8px}
.tx-m:last-child{border-right:none}
.tx-ml{font-size:9px;text-transform:uppercase;letter-spacing:.7px;color:#4a7a9b}
.tx-mv{font-size:21px;font-weight:700;color:#f0d060;margin-top:2px}
.sp-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.sp-box{border:1px solid #ddd;border-radius:6px;overflow:hidden}
.sp-hd{background:#1a3a55;color:#d4af37;padding:6px 10px;font-size:11px;font-weight:700;display:flex;justify-content:space-between;text-transform:uppercase}
.sp-tbl{width:100%;border-collapse:collapse;font-size:11px}
.sp-tbl th{padding:3px 6px;font-size:9px;font-weight:700;text-transform:uppercase;color:#666;border-bottom:1px solid #ddd;background:#f9f7f3;text-align:left}
.sp-tbl td{padding:3px 6px;border-bottom:.5px solid #f0ede6}
.sp-tbl tr:last-child td{border-bottom:none}
.sp-ft{background:#f9f7f3;padding:4px 9px;font-size:10px;font-weight:700;display:flex;justify-content:space-between;border-top:1px solid #ddd}

.stu-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.stu-card{border:1.5px solid #ddd;border-radius:7px;padding:11px 13px;cursor:pointer;background:#faf8f4;transition:.1s;text-decoration:none;display:block;color:inherit}
.stu-card:hover{border-color:#d4af37;background:#fff}
.stu-card.sel{border-color:#d4af37;background:#fef3c7;box-shadow:0 0 0 2px rgba(212,175,55,.3)}
.stu-name{font-weight:700;font-size:13px;color:#0f2235}
.stu-meta{font-size:11px;color:#888;margin-top:2px}

.empty{text-align:center;padding:48px 20px;color:#999}
.empty .ico{font-size:40px;margin-bottom:10px;opacity:.4}
.empty h3{font-size:15px;font-weight:700;color:#555;margin-bottom:6px}
.empty p{font-size:13px;max-width:280px;margin:0 auto 16px}
hr.div{border:none;border-top:1px solid #eee;margin:14px 0}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt14{margin-top:14px}
.flex{display:flex;align-items:center}.gap6{gap:6px}.gap8{gap:8px}
.between{display:flex;align-items:center;justify-content:space-between}
.muted{color:#888}.sm{font-size:12px}

.photo-zone{display:flex;align-items:center;gap:14px;padding:12px;background:#faf8f4;border:1.5px dashed #bfb090;border-radius:7px;margin-bottom:4px;transition:.15s}
.photo-preview{width:96px;height:96px;border-radius:5px;border:1.5px solid #bfb090;object-fit:cover;background:#f0ede6;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:28px;color:#bbb;overflow:hidden}
.photo-preview img{width:100%;height:100%;object-fit:cover;display:block}
.photo-info{flex:1}
.photo-info p{font-size:11px;color:#888;margin-top:4px;line-height:1.5}
.stu-photo-thumb{width:32px;height:32px;border-radius:4px;object-fit:cover;vertical-align:middle;border:1px solid #ddd}

.wizard{display:flex;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:4px}
.wz-n{width:24px;height:24px;border-radius:50%;border:2px solid #ccc;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#999;background:#fff;flex-shrink:0}
.wz-n.done{background:#d4af37;border-color:#d4af37;color:#0f2235}
.wz-n.act{background:#0f2235;border-color:#0f2235;color:#d4af37}
.wz-lbl{font-size:12px;color:#999;margin-left:6px}
.wz-lbl.act{color:#0f2235;font-weight:700}
.wz-sep{width:22px;height:1px;background:#ccc;margin:0 5px;flex-shrink:0}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f2235,#1a3a55)}
.login-box{background:#fff;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.35);width:380px;max-width:92vw;padding:34px 32px}
.login-brand{text-align:center;margin-bottom:22px}
.login-brand .ico{font-size:34px}
.login-brand h1{font-size:18px;color:#0f2235;font-weight:700;margin-top:6px}
.login-brand p{font-size:12px;color:#888;margin-top:2px}

@media (max-width:900px){
  .shell{flex-direction:column}
  .sidebar{width:100%;height:auto;position:relative}
  .stat-row{grid-template-columns:1fr 1fr}
  .fg2,.fg3,.sp-grid,.stu-grid{grid-template-columns:1fr}
}