body{margin:0}:root{--brand-dark:#0f172a;--brand-dark-subtle:#1e293b;--accent-warning:#ffc107;--accent-info:#38bdf8;--bg-main:#f8fafc;--text-main:#334155;--text-muted:#64748b}body{background-color:var(--bg-main);color:var(--text-main);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.header-bar{background-color:var(--brand-dark);color:#fff;z-index:20;padding:12px 24px;position:sticky;top:0;box-shadow:0 2px 10px #00000026}.portal-title{color:var(--accent-warning);align-items:center;gap:8px;font-size:1.2rem;font-weight:700;display:flex}.header-datetime{color:var(--accent-info);background-color:#ffffff1a;border-radius:6px;padding:4px 14px;font-size:.85rem;font-weight:600}.btn-logout{color:#fff;border:1px solid #ffffff4d;font-weight:600;transition:all .2s}.btn-logout:hover{color:#fff;background-color:#ffffff26}.app-shell{align-items:flex-start;max-width:1400px;margin:0 auto;display:flex}.sidebar{background:#fff;flex-shrink:0;width:240px;min-height:calc(100vh - 60px);padding:18px 12px;position:sticky;top:60px;box-shadow:0 5px 20px #0000000d}.sidebar .menu-item{color:#475569;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;width:100%;margin-bottom:4px;padding:10px 14px;font-size:.9rem;font-weight:600;transition:background .15s,color .15s;display:flex}.sidebar .menu-item .ico{text-align:center;width:22px;font-size:1rem}.sidebar .menu-item:hover{color:var(--brand-dark);background:#f1f5f9}.sidebar .menu-item.active{box-shadow:0 4px 12px #0f172a33;background-color:var(--brand-dark)!important;color:#fff!important}.sidebar .menu-item.logout{color:#dc3545;border-top:1px solid #f1f5f9;margin-top:14px;padding-top:14px}.sidebar .menu-item.logout:hover{background:#fdeaea}.sub-menu-list{padding-left:10px}.sub-menu-list .menu-item{color:#64748b;padding:8px 14px;font-size:.85rem}.sub-menu-list .menu-item.active{box-shadow:none;color:var(--brand-dark)!important;background:#e2e8f0!important}.main-wrapper{flex:1;min-width:0;padding:24px}.page-section{display:none}.page-section.active{display:block}.section-heading{color:var(--brand-dark);margin-bottom:2px;font-size:1.4rem;font-weight:700}.section-sub{color:var(--text-muted);margin-bottom:18px;font-size:.85rem}.stats-row{flex-wrap:wrap;gap:14px;margin-bottom:22px;display:flex}.stat-card{background:#fff;border:none;border-radius:10px;flex:1;justify-content:space-between;align-items:center;min-width:170px;padding:16px 18px;transition:transform .2s;display:flex;box-shadow:0 4px 15px #0000000d}.stat-card:hover{transform:translateY(-3px)}.stat-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.25rem;display:flex}.stat-icon.candidates{color:#0284c7;background:#e0f2fe}.stat-icon.passed{color:#16a34a;background:#dcfce7}.stat-icon.failed{color:#dc2626;background:#fee2e2}.stat-icon.attempted{color:#d97706;background:#fef3c7}.stat-icon.avg{color:#9333ea;background:#f3e8ff}.stat-num{color:#0f172a;font-size:1.35rem;font-weight:700}.stat-label{color:var(--text-muted);text-transform:uppercase;font-size:.72rem;font-weight:700}.card-box{background:#fff;border:none;border-radius:12px;margin-bottom:22px;padding:22px;box-shadow:0 5px 20px #0000000d}.card-box h6{color:var(--brand-dark);margin-bottom:4px;font-weight:700}.card-box .sub{color:var(--text-muted);margin-bottom:16px;font-size:.85rem}.chart-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;display:grid}.chart-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;flex-direction:column;padding:20px;display:flex;box-shadow:0 2px 10px #00000005}.chart-wrap{width:100%;height:250px;margin-top:10px;position:relative}.chart-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0f172a14}.chart-card{transition:box-shadow .2s,transform .2s}.chart-card.wide{grid-column:1/-1}.chart-card.wide .chart-wrap{height:280px}.chart-title{color:#475569;margin-bottom:8px;font-size:.85rem;font-weight:700}.chart-caption{color:var(--text-muted);border-top:1px dashed #e2e8f0;flex-wrap:wrap;gap:6px 14px;margin-top:12px;padding-top:10px;font-size:.78rem;font-weight:600;display:flex}.chart-caption b{color:#0f172a}.donut-center{pointer-events:none;flex-direction:column;justify-content:center;align-items:center;padding-bottom:34px;display:flex;position:absolute;inset:0}.donut-center .big{color:#0f172a;font-size:1.6rem;font-weight:800;line-height:1}.donut-center .small{text-transform:uppercase;color:var(--text-muted);margin-top:4px;font-size:.68rem;font-weight:700}table.candidates-table thead{background-color:var(--brand-dark);color:#fff}table.candidates-table th{text-transform:uppercase;letter-spacing:.5px;border:none;padding:12px;font-size:.8rem}table.candidates-table td{vertical-align:middle;border-bottom:1px solid #f1f5f9;padding:12px;font-size:.9rem}table.candidates-table tbody tr{cursor:pointer}table.candidates-table tbody tr:hover{background:#f8fafc}.name-cell{color:#0f172a;font-weight:600}.badge-pill{border-radius:20px;align-items:center;gap:4px;padding:5px 12px;font-size:.75rem;font-weight:700;display:inline-flex}.badge-pill.pass,.badge-pill.attempted{color:#15803d;background:#dcfce7}.badge-pill.fail,.badge-pill.not-attempted{color:#b91c1c;background:#fee2e2}.progress-mini{background:#e2e8f0;border-radius:4px;width:90px;height:8px;overflow:hidden}.progress-mini .fill{background:#16a34a;height:100%}.empty-state{text-align:center;color:var(--text-muted);padding:50px 20px}.empty-state .emoji{margin-bottom:10px;font-size:2.5rem}.btn-clear{color:#dc2626;background:#fff;border:1px solid #fca5a5;border-radius:6px;padding:5px 12px;font-size:.8rem;font-weight:600}.btn-clear:hover{background:#fee2e2}.btn-edit{color:#0284c7;background:#fff;border:1px solid #7dd3fc;border-radius:6px;padding:5px 12px;font-size:.8rem;font-weight:600}.btn-edit:hover{background:#e0f2fe}.detail-panel{border-top:3px solid var(--brand-dark);background:#f8fafc;border-radius:10px;margin-top:16px;padding:18px 20px;display:none}.detail-panel.show{display:block}.detail-panel .close-x{float:right;cursor:pointer;color:#64748b;font-weight:700}.detail-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:10px;display:grid}.detail-field{background:#fff;border-radius:8px;padding:10px 12px;box-shadow:0 2px 6px #0000000a}.detail-field .k{text-transform:uppercase;color:var(--text-muted);font-size:.72rem;font-weight:700}.detail-field .v{color:#0f172a;word-break:break-word;font-size:.92rem;font-weight:600}@media (width<=860px){.app-shell{flex-direction:column}.sidebar{flex-wrap:wrap;gap:4px;width:100%;min-height:auto;display:flex;position:relative;top:0}.sidebar .menu-item{flex:auto;justify-content:center;width:auto}.sidebar .menu-item.logout{border-top:none;margin-top:0}}