:root{--navy: #0D1B2E;--navy-mid: #152540;--navy-light: #1E3557;--teal: #1AABC8;--teal-dark: #128FA8;--green: #2EBD6A;--gold: #C8A44A;--white: #FFFFFF;--off-white: #F4F8FC;--gray-mid: #8A9BB8;--gray-light: #CBD5E8;--radius: 12px;--radius-lg: 20px;--shadow: 0 10px 40px rgba(13, 27, 46, .12)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--off-white);color:var(--navy);-webkit-font-smoothing:antialiased}.screen-center{min-height:100vh;display:grid;place-items:center;color:var(--gray-mid)}.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 30% 20%,var(--navy-light),var(--navy) 60%);padding:24px}.login-card{width:100%;max-width:400px;background:var(--white);border-radius:var(--radius-lg);padding:40px 32px;box-shadow:var(--shadow)}.login-brand{font-size:26px;font-weight:800;letter-spacing:-.5px;margin-bottom:4px}.login-brand span{color:var(--teal)}.login-sub{color:var(--gray-mid);font-size:14px;margin-bottom:28px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--navy-mid)}.field input{width:100%;padding:12px 14px;border:1.5px solid var(--gray-light);border-radius:var(--radius);font-size:15px;transition:border-color .15s}.field input:focus{outline:none;border-color:var(--teal)}.btn{display:inline-block;width:100%;padding:13px;border:none;border-radius:var(--radius);font-size:15px;font-weight:700;cursor:pointer;background:var(--teal);color:var(--white);transition:background .15s,transform .05s}.btn:hover{background:var(--teal-dark)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:default}.error-msg{background:#fdecec;color:#c0392b;font-size:13px;padding:10px 12px;border-radius:var(--radius);margin-bottom:16px}.login-hint{margin-top:24px;font-size:12px;color:var(--gray-mid);line-height:1.7;border-top:1px solid var(--off-white);padding-top:16px}.login-hint code{color:var(--navy-mid);font-weight:600}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--navy);color:var(--white);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.topbar-brand{font-weight:800;font-size:18px;letter-spacing:-.3px}.topbar-brand span{color:var(--teal)}.topbar-right{display:flex;align-items:center;gap:16px;font-size:14px}.role-chip{background:var(--navy-light);color:var(--gray-light);padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;text-transform:capitalize}.logout-btn{background:transparent;border:1px solid var(--navy-light);color:var(--gray-light);padding:7px 14px;border-radius:var(--radius);cursor:pointer;font-size:13px}.logout-btn:hover{background:var(--navy-light);color:var(--white)}.panel{padding:32px 24px;max-width:1080px;margin:0 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var(--teal)}.feature-card.green{border-left-color:var(--green)}.feature-card.gold{border-left-color:var(--gold)}.feature-card.navy{border-left-color:var(--navy-light)}.feature-card h3{font-size:16px;margin-bottom:8px}.feature-card p{color:var(--gray-mid);font-size:14px;line-height:1.6}.feature-card .soon{display:inline-block;margin-top:12px;font-size:11px;font-weight:700;color:var(--gold);background:#fbf4e1;padding:3px 9px;border-radius:999px}.section-label{font-size:13px;font-weight:700;color:var(--navy-mid);margin:8px 0 14px}.result-test{background:var(--white);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow);margin-bottom:18px}.result-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:18px;border-bottom:1px solid var(--off-white);padding-bottom:14px}.result-head h3{font-size:17px;color:var(--navy)}.result-head .meta{font-size:12px;color:var(--gray-mid)}.result-head .avg{display:flex;align-items:center;gap:10px}.result-head .avg .num{font-size:22px;font-weight:800;color:var(--navy)}.area-row{display:grid;grid-template-columns:150px 1fr 42px 116px;align-items:center;gap:12px;padding:7px 0}.area-row .area-name{font-size:13px;color:var(--navy-mid);font-weight:500}.bar-track{background:var(--off-white);border-radius:999px;height:10px;overflow:hidden}.bar-fill{height:100%;border-radius:999px;transition:width .8s cubic-bezier(.2,.8,.2,1)}.area-score{font-size:14px;font-weight:700;color:var(--navy);text-align:right}.band-badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;text-align:center;white-space:nowrap}.empty-state{background:var(--white);border-radius:var(--radius-lg);padding:40px 24px;text-align:center;color:var(--gray-mid);box-shadow:var(--shadow-sm);font-size:14px}.band-legend{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.band-legend .item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--gray-mid)}.band-legend .dot{width:11px;height:11px;border-radius:3px}.upload-card{background:var(--white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}.upload-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.upload-card label{display:block;font-size:13px;font-weight:600;color:var(--navy-mid);margin-bottom:5px}.upload-card input,.upload-card select{width:100%;padding:11px 13px;border:1.5px solid var(--gray-light);border-radius:var(--radius);font-size:14px;font-family:inherit}.upload-card input:focus,.upload-card select:focus{outline:none;border-color:var(--teal)}.upload-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:6px}.link-btn{background:none;border:none;color:var(--teal);font-weight:600;font-size:13px;cursor:pointer;padding:0;text-decoration:underline}.import-result{margin-top:14px;padding:12px 14px;border-radius:var(--radius);font-size:13px;background:#eaf7ef;color:var(--green-dark)}.group-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}.group-table th,.group-table td{padding:12px 14px;text-align:left;font-size:13px;border-bottom:1px solid var(--off-white)}.group-table th{background:var(--off-white);color:var(--navy-mid);font-weight:700;font-size:12px}.group-table td.num{text-align:center;font-weight:700}.btn-pdf{display:inline-flex;align-items:center;gap:7px;background:var(--teal);color:#fff;border:none;border-radius:10px;padding:10px 16px;font-size:13px;font-weight:700;cursor:pointer;margin-bottom:18px}.btn-pdf:hover{background:var(--teal-dark)}.btn-pdf:disabled{opacity:.6;cursor:default}.pdf-link{background:none;border:1px solid var(--gray-light);border-radius:8px;padding:4px 10px;font-size:12px;color:var(--teal-dark);font-weight:600;cursor:pointer;white-space:nowrap}.pdf-link:hover{border-color:var(--teal)}.lib-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.lib-filters select{padding:9px 12px;border:1.5px solid var(--gray-light);border-radius:10px;font-size:13px;font-family:inherit;background:var(--white)}.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.lib-card{background:var(--white);border:1px solid var(--off-white);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}.lib-kind{display:inline-flex;align-items:center;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:3px 9px;border-radius:999px;align-self:flex-start;margin-bottom:10px}.lib-kind.pdf{background:#fdeeee;color:#c0392b}.lib-kind.video{background:#e9f0fb;color:#2e5fbf}.lib-card h4{font-size:15px;color:var(--navy);margin-bottom:6px;line-height:1.3}.lib-card p{font-size:13px;color:var(--gray-mid);line-height:1.5;flex:1;margin-bottom:12px}.lib-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.lib-tag{font-size:11px;background:var(--off-white);color:var(--navy-mid);padding:3px 8px;border-radius:999px}.lib-open{align-self:flex-start;background:var(--teal);color:#fff;text-decoration:none;padding:8px 14px;border-radius:10px;font-size:13px;font-weight:700}.lib-open:hover{background:var(--teal-dark)}.lib-manage-list{display:flex;flex-direction:column;gap:8px;margin-top:16px}.lib-manage-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--off-white);border-radius:10px}.lib-manage-row .t{font-size:13px;color:var(--navy);font-weight:600}.lib-manage-row .m{font-size:12px;color:var(--gray-mid)}.lib-del{background:none;border:none;color:#c0392b;font-size:12px;font-weight:600;cursor:pointer}.sim-card{background:var(--white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);margin-bottom:22px}.sim-bar{position:sticky;top:0;background:var(--white);display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--off-white);margin-bottom:16px;z-index:5}.sim-timer{font-size:20px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}.sim-timer.low{color:#c0392b}.sim-q{border:1px solid var(--gray-light);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px}.sim-q .qa{font-size:11px;font-weight:700;color:var(--teal-dark);text-transform:uppercase;letter-spacing:.5px}.sim-q .qs{font-size:14.5px;color:var(--navy);font-weight:600;margin:6px 0 12px}.sim-opt{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1.5px solid var(--gray-light);border-radius:10px;margin-bottom:7px;cursor:pointer;font-size:13.5px;transition:border-color .15s,background .15s}.sim-opt:hover{border-color:var(--teal)}.sim-opt.sel{border-color:var(--teal);background:#1aabc814;font-weight:600}.sim-opt .k{width:22px;height:22px;border-radius:50%;background:var(--off-white);display:grid;place-items:center;font-size:12px;font-weight:700;flex-shrink:0}.sim-opt.sel .k{background:var(--teal);color:#fff}.sim-result .big{font-size:40px;font-weight:800}