:root{--navy:#071c33;--navy-2:#0d2d50;--red:#ef2028;--bg:#f4f7fb;--card:#fff;--text:#132033;--muted:#65758b;--border:#dce5ef;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{min-height:100vh}.topbar{background:var(--navy);color:#fff;z-index:20;justify-content:space-between;align-items:center;height:74px;padding:0 26px;display:flex;position:sticky;top:0;box-shadow:0 8px 24px #071c3324}.brand{letter-spacing:.3px;align-items:center;gap:12px;font-weight:800;display:flex}.brand-mark{background:linear-gradient(145deg,var(--red),#b70e16);border-radius:11px;place-items:center;width:38px;height:38px;font-weight:900;display:grid}.container{max-width:1180px;margin:0 auto;padding:28px 20px 54px}.hero{background:linear-gradient(135deg, var(--navy), var(--navy-2));color:#fff;border-radius:26px;grid-template-columns:1.3fr .7fr;gap:24px;padding:30px;display:grid;overflow:hidden}.hero h1{margin:0 0 10px;font-size:clamp(32px,5vw,54px);line-height:1}.hero p{color:#d9e5f2;max-width:680px;line-height:1.6}.hero-logo{object-fit:contain;filter:drop-shadow(0 14px 24px #00000040);width:100%;max-height:220px}.grid{gap:16px;display:grid}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:0 9px 28px #1f31490e}.card h2,.card h3{margin-top:0}.kpi{margin-top:8px;font-size:34px;font-weight:850}.muted{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--red);font-size:12px;font-weight:800}.section-title{justify-content:space-between;align-items:end;gap:20px;margin:32px 0 14px;display:flex}.section-title h2{margin:0}.btn{cursor:pointer;border:0;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:11px 15px;font-weight:750;display:inline-flex}.btn-primary{background:var(--red);color:#fff}.btn-dark{background:var(--navy);color:#fff}.btn-ghost{border:1px solid var(--border);color:var(--text);background:#fff}.badge{color:#38516c;background:#edf3f9;border-radius:999px;align-items:center;padding:6px 10px;font-size:12px;font-weight:750;display:inline-flex}.badge.ok{color:#187445;background:#e8f8ef}.badge.warn{color:#8a5d00;background:#fff3d8}.badge.danger{color:#b31922;background:#ffe8e9}.list{flex-direction:column;gap:10px;display:flex}.row{border:1px solid var(--border);background:#fff;border-radius:15px;justify-content:space-between;align-items:center;gap:16px;padding:14px;display:flex}.row-main{min-width:0}.row-title{font-weight:780}.row-sub{color:var(--muted);margin-top:4px;font-size:13px}.login-wrap{background:linear-gradient(135deg,#06182c,#0f365e);place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:#fff;border-radius:28px;grid-template-columns:1fr 1fr;width:min(980px,100%);display:grid;overflow:hidden;box-shadow:0 30px 80px #00000047}.login-brand{color:#fff;background:#071c33;flex-direction:column;justify-content:center;padding:36px;display:flex}.login-brand img{object-fit:contain;width:100%;max-height:270px}.login-form{flex-direction:column;justify-content:center;padding:44px;display:flex}.field{flex-direction:column;gap:7px;margin:10px 0;display:flex}.field label{font-size:13px;font-weight:750}.field input{border:1px solid var(--border);border-radius:12px;outline:none;padding:12px 13px}.field input:focus{border-color:#7192b5;box-shadow:0 0 0 3px #497db01f}.tabs{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.tab{border:1px solid var(--border);background:#fff;border-radius:999px;padding:9px 12px;font-size:13px;font-weight:700}.tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}.attendance{grid-template-columns:1fr auto;align-items:center;gap:12px;display:grid}.attendance-actions{gap:7px;display:flex}.attendance-actions button{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:11px;width:38px;height:38px}.nav{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.nav a{color:#dbe7f4;border-radius:10px;padding:9px 11px;font-size:14px;font-weight:700}.nav a:hover{color:#fff;background:#ffffff17}.notice{border-left:4px solid var(--red);background:#fff;border-radius:12px;padding:14px 16px}@media (max-width:850px){.grid-4,.grid-3,.grid-2,.hero,.login-card{grid-template-columns:1fr}.hero-logo{max-height:160px}.nav{display:none}.login-brand{padding:24px}.login-form{padding:28px 24px}}select{font:inherit;border:1px solid var(--border);color:var(--text);background:#fff;border-radius:12px;padding:12px 13px}.user-menu{align-items:center;gap:12px;display:flex}.user-label{text-align:right;flex-direction:column;font-size:13px;display:flex}.user-label small{color:#bcd0e5;margin-top:2px}.btn-topbar{color:#fff;background:#ffffff1a;border:1px solid #ffffff29;padding:8px 11px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;display:grid}.form-grid .field{margin:0}.form-submit{align-items:end;display:flex}.danger-notice{color:#8f1820;border-left-color:#b31922;margin-top:10px}.compact-details summary{cursor:pointer;font-weight:800}.session-tabs{gap:7px;margin-bottom:12px;padding-bottom:10px;display:flex;overflow-x:auto}.session-tabs .tab{flex:none}.session-head{margin-bottom:14px}.session-head h2{margin-bottom:6px}.attendance-toolbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.attendance-actions button.selected{border-color:var(--navy);background:#f1f6fb;box-shadow:0 0 0 3px #071c331f}.save-bar{border:1px solid var(--border);background:#fffffff5;border-radius:16px;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;padding:12px;display:flex;position:sticky;bottom:12px;box-shadow:0 14px 40px #1f314926}.quick-actions{flex-wrap:wrap;gap:9px;display:flex}@media (max-width:850px){.user-label{display:none}.form-grid,.attendance{grid-template-columns:1fr}.attendance-actions{justify-content:flex-start}.save-bar{flex-direction:column;align-items:stretch}}textarea{font:inherit;border:1px solid var(--border);color:var(--text);resize:vertical;background:#fff;border-radius:12px;min-height:90px;padding:12px 13px}textarea:focus{border-color:#7192b5;outline:none;box-shadow:0 0 0 3px #497db01f}.check{align-items:center;gap:9px;padding:10px 0;font-weight:700;display:flex}.check input{width:18px;height:18px}.row-unread{border-left:4px solid var(--red);background:#fffafb}@media (max-width:1180px){.topbar{flex-wrap:wrap;gap:8px;height:auto;min-height:74px;padding-top:10px;padding-bottom:10px}.nav{flex-wrap:nowrap;order:3;width:100%;padding-bottom:2px;overflow-x:auto}.nav a{flex:none}}@media (max-width:850px){.nav{display:flex}}.check-row{align-items:center;gap:10px;margin-bottom:12px;display:flex}.check-row input[type=checkbox]{accent-color:#ef233c;width:18px;height:18px}