:root{--bg:#003f3d;--sidebar:#005653;--card:#075653;--card2:#064c49;--active:#004744;--accent:#28a99a;--accent2:#08736f;--text:#eaf7f5;--muted:#91c4c0;--line:rgba(145,196,192,.16);--danger:#ef7777;--shadow:0 12px 30px rgba(0,0,0,.12)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif;font-size:14px}.app-shell{min-height:100vh;display:flex}.sidebar{width:248px;background:var(--sidebar);padding:22px 14px;display:flex;flex-direction:column;flex-shrink:0}.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;padding:3px 10px 28px}.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--accent);display:grid;place-items:center;font-weight:800;color:#003f3d;font-size:18px}.brand b{display:block;font-size:16px}.brand small{color:var(--muted);font-size:10px;letter-spacing:1.5px;text-transform:uppercase}.sidebar nav{display:grid;gap:6px}.sidebar nav a{display:flex;align-items:center;gap:13px;color:#b8d8d5;text-decoration:none;padding:12px 13px;border-radius:10px;font-weight:500}.sidebar nav a:hover,.sidebar nav a.active{background:var(--active);color:#fff}.sidebar nav a.active{box-shadow:inset 3px 0 var(--accent)}.sidebar-bottom{margin-top:auto;padding:24px 10px 4px;color:#80b5b0;font-size:11px}.main-area{min-width:0;flex:1}.topbar{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 28px;background:rgba(0,63,61,.82);position:sticky;top:0;z-index:5;backdrop-filter:blur(12px)}.topbar-spacer{flex:1}.menu-toggle{display:none;background:none;border:0;color:var(--text);font-size:22px}.language-form select{background:var(--card);border:1px solid var(--line);color:var(--text);padding:9px 12px;border-radius:9px}.icon-button{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:9px;padding:9px 12px}.user-chip{color:var(--muted);font-size:12px}.logout{background:transparent;border:0;color:var(--muted);cursor:pointer}.page-content{padding:30px;max-width:1600px;margin:auto}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-heading h1{font-size:27px;margin:4px 0 7px}.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--accent);font-weight:700;margin:0}.muted{color:var(--muted);margin:0}.date-pill{background:var(--card);padding:10px 14px;border:1px solid var(--line);border-radius:10px;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.stat-card,.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.stat-card{padding:20px;display:flex;gap:15px;align-items:center}.stat-icon{width:45px;height:45px;border-radius:12px;background:rgba(40,169,154,.18);color:#75d4c8;display:grid;place-items:center;font-size:23px}.stat-card p{margin:0 0 5px;color:var(--muted)}.stat-card strong{font-size:27px;display:block}.stat-card small{display:block;color:#80b5b0;margin-top:4px}.dashboard-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.panel{padding:22px;margin-bottom:18px}.panel-wide{min-height:220px}.panel-full{grid-column:1/-1}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.panel h2{font-size:16px;margin:0 0 5px}.text-link{color:#74d3c7;text-decoration:none}.attendance-summary{display:flex;justify-content:space-around;padding:20px 0}.attendance-summary div{display:grid;grid-template-columns:auto auto;gap:5px 8px;align-items:center}.attendance-summary b{font-size:23px}.attendance-summary small{grid-column:2;color:var(--muted)}.dot{width:9px;height:9px;border-radius:50%}.present{background:#43c5a4}.absent{background:var(--danger)}.late{background:#e6b65d}.progress-track{height:9px;border-radius:20px;background:#003f3d;overflow:hidden}.progress-track span{display:block;height:100%;background:var(--accent);border-radius:20px}.quick-actions{display:grid;gap:10px}.quick-actions a{padding:12px 14px;border:1px solid var(--line);border-radius:9px;color:var(--text);text-decoration:none}.quick-actions a:hover{border-color:var(--accent)}.notice-row{padding:14px 0;border-top:1px solid var(--line)}.notice-row p{color:var(--muted);margin:7px 0}.notice-row small{color:#80b5b0}.empty-state{text-align:center;color:var(--muted);padding:28px}.form-panel{margin-bottom:18px}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.form-grid input,.form-grid select{min-width:0;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px;color:var(--text);font:inherit}.form-grid input::placeholder{color:#80b5b0}.btn-primary{border:0;background:var(--accent);color:#003f3d;font-weight:700;border-radius:8px;padding:12px 18px;cursor:pointer}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.8px}.badge{display:inline-block;background:rgba(40,169,154,.16);color:#8ce0d5;padding:5px 9px;border-radius:20px;font-size:11px}.alert-success,.alert-error{padding:13px 16px;border-radius:9px;margin-bottom:16px}.alert-success{background:rgba(40,169,154,.15);border:1px solid var(--accent)}.alert-error{background:rgba(239,119,119,.12);border:1px solid var(--danger)}.alert-error ul{margin:7px 0 0}@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.sidebar{position:fixed;z-index:10;left:-260px;top:0;bottom:0;transition:left .2s}.sidebar.open{left:0}.menu-toggle{display:block}.topbar{padding:0 14px}.page-content{padding:20px 14px}.dashboard-grid{grid-template-columns:1fr}.panel-full{grid-column:auto}.form-grid{grid-template-columns:1fr 1fr}.user-chip{display:none}}@media(max-width:480px){.stats-grid{grid-template-columns:1fr 1fr;gap:9px}.stat-card{padding:13px;gap:9px}.stat-card strong{font-size:22px}.stat-icon{width:36px;height:36px}.form-grid{grid-template-columns:1fr}.page-heading h1{font-size:23px}}