:root{--bg:#f5f6f8;--panel:#fff;--ink:#1b2330;--muted:#6b7280;--border:#e4e7ec;--brand:#2563eb;--brand-ink:#1d4ed8;--safe:#16a34a;--safe-bg:#dcfce7;--moderate:#d97706;--moderate-bg:#fef3c7;--ambitious:#dc2626;--ambitious-bg:#fee2e2;--shadow:0 1px 2px #1018280f, 0 1px 3px #1018281a;--radius:12px;color:var(--ink);font-family:system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0}h1,h2,h3,h4{margin:0}ul{margin:0;padding:0;list-style:none}.app{align-items:flex-start;min-height:100vh;display:flex}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex:0 0 320px;width:320px;height:100vh;padding:20px 18px 80px;position:sticky;top:0;overflow-y:auto}.sidebar h2{margin-bottom:16px;font-size:18px}.field{margin-bottom:16px;display:block}.field>span{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;font-size:12px;font-weight:600;display:block}.field input[type=number],.field select{border:1px solid var(--border);width:100%;color:var(--ink);background:#fff;border-radius:8px;padding:9px 10px;font-size:14px}.check-row{cursor:pointer;align-items:center;gap:8px;margin-bottom:12px;font-size:14px;display:flex}.check-row.inline{margin:0}.chip-row{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1px solid var(--border);color:var(--ink);cursor:pointer;background:#fff;border-radius:999px;padding:6px 11px;font-size:13px}.chip-on{background:var(--brand);border-color:var(--brand);color:#fff}.branch-group{border:1px solid var(--border);border-radius:8px;margin-bottom:6px;padding:6px 10px}.branch-group summary{cursor:pointer;list-style:none}.branch-group summary::-webkit-details-marker{display:none}.course-list{padding:6px 0 2px 26px}.course-list li{color:var(--muted);padding:1px 0;font-size:12px}.main{flex:1;min-width:0;padding:24px 28px 120px}.topbar h1{font-size:24px}.topbar .sub{color:var(--muted);margin:4px 0 0;font-size:14px}.metrics{flex-wrap:wrap;gap:14px;margin:22px 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var(--border);justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px;padding-bottom:12px;display:flex}.college-id h3{color:var(--brand-ink);font-size:18px}.college-meta{flex-wrap:wrap;gap:10px;margin-top:5px;display:flex}.own-tag{color:var(--brand-ink);background:#eef2ff;border-radius:6px;padding:2px 8px;font-size:12px}.dist{color:var(--muted);font-size:12px}.summary-pill{background:var(--safe-bg);color:var(--safe);white-space:nowrap;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}.course-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;display:grid}.course-card{border:1px solid var(--border);background:#fcfcfd;border-radius:10px;flex-direction:column;gap:7px;padding:12px;display:flex}.course-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.course-title{font-size:14px;font-weight:600}.course-cut{color:var(--ink);font-size:13px}.course-gap{color:var(--muted);font-size:12px}.tags{color:var(--brand-ink);font-size:12px}.badge{white-space:nowrap;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600}.badge-safe{background:var(--safe-bg);color:var(--safe)}.badge-moderate{background:var(--moderate-bg);color:var(--moderate)}.badge-ambitious{background:var(--ambitious-bg);color:var(--ambitious)}.trend{font-size:12px}.trend-easier{color:var(--safe)}.trend-harder{color:var(--ambitious)}.trend-stable{color:var(--muted)}.trend-unknown{color:var(--muted);font-style:italic}.seat-info{flex-wrap:wrap;align-items:center;gap:7px;font-size:12px;display:flex}.seat-label{color:var(--muted);font-weight:600}.seat-total{color:var(--ink)}.seat-kea,.seat-own{color:var(--muted)}.seat-na,.seat-note{color:var(--muted);font-style:italic}.seat-region{color:var(--muted);cursor:help}.seat-hkdom{color:var(--brand-ink);background:#eef2ff;border-radius:999px;margin-left:5px;padding:1px 6px;font-size:11px;font-weight:600}.seat-missing .seat-na{color:var(--muted)}.seat-trust{cursor:help;border-radius:999px;padding:1px 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#a7f3d0}.sig-trend-harder{color:#e11d48;background:#fff5f5;border:1px solid #fecdd3}.sig-unstable{color:#d97706;background:#fffbeb;border:1px solid #fef3c7}.sig-conf-low{color:#991b1b;background:#fef2f2;border:1px solid #fee2e2}.sig-conf-med{color:#475569;background:#f8fafc;border:1px solid #e2e8f0}.course-cta{border-top:1px dashed var(--border);justify-content:space-between;align-items:center;margin-top:4px;padding-top:8px;display:flex}.btn{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:7px;padding:6px 12px;font-size:13px}.btn:hover{background:var(--brand-ink)}.compare-tray{background:var(--panel);border-top:1px solid var(--border);max-height:40vh;padding:12px 20px;position:fixed;bottom:0;left:320px;right:0;overflow:auto;box-shadow:0 -2px 10px #10182814}.compare-head{align-items:center;gap:12px;margin-bottom:8px;display:flex}.compare-table{border-collapse:collapse;width:100%;font-size:13px}.compare-table th,.compare-table td{text-align:left;border-bottom:1px solid var(--border);padding:6px 10px}.modal-overlay{z-index:50;background:#10182873;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{border-radius:var(--radius);background:#fff;width:min(560px,92vw);max-height:88vh;padding:22px;overflow:auto;box-shadow:0 20px 40px #10182840}.modal-head{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.modal h4{color:var(--muted);margin:16px 0 8px;font-size:14px}.bars{flex-direction:column;gap:7px;display:flex}.bar-row{grid-template-columns:48px 1fr 72px;align-items:center;gap:10px;display:grid}.bar-label{color:var(--muted);font-size:12px}.bar{background:#eef0f4;border-radius:6px;height:16px;overflow:hidden}.bar-fill{background:var(--brand);height:100%}.bar-fill.alt{background:var(--moderate)}.bar-val{text-align:right;font-size:12px}.error-banner{background:var(--ambitious-bg);border:1px solid var(--ambitious);color:var(--ambitious);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:14px;margin:16px 0;padding:14px 18px;display:flex}.error-banner-message{font-size:14px;font-weight:600}.error-banner-btn{background:var(--ambitious);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:6px;padding:6px 12px;font-size:13px;font-weight:600}.error-banner-btn:hover{background:#b91c1c}.summary-card{-webkit-backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);background:#ffffffb3;margin-bottom:20px;padding:18px 20px}.summary-header{align-items:center;gap:8px;margin-bottom:14px;display:flex}.summary-header .summary-icon{font-size:20px}.summary-header h3{color:var(--ink);font-size:16px;font-weight:700}.summary-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px;display:grid}.summary-metric{background:var(--panel);border:1px solid var(--border);text-align:center;border-radius:8px;padding:8px 12px}.summary-metric .val{font-size:20px;font-weight:700;display:block}.summary-metric .lbl{color:var(--muted);font-size:12px}.summary-insights{margin-bottom:14px}.insight-item{align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.insight-item .bullet{color:var(--brand);font-weight:700}.insight-item p{color:var(--ink);margin:0;font-size:13.5px;line-height:1.4}.summary-boundary-warn{background:var(--moderate-bg);border:1px solid var(--moderate);color:var(--moderate);border-radius:8px;align-items:center;gap:8px;padding:8px 12px;font-size:12.5px;display:flex}.not-recommended-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:24px;padding:18px 20px}.nr-header{align-items:center;gap:8px;margin-bottom:10px;display:flex}.nr-header h3{color:var(--ambitious);font-size:16px;font-weight:700}.nr-intro{color:var(--muted);margin:0 0 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14px;font-size:12px}.slider-row{align-items:center;gap:12px;margin-bottom:16px;display:flex}.rank-marker{color:var(--muted);font-size:12px;font-weight:600}.rank-input-range{background:var(--border);cursor:pointer;-webkit-appearance:none;border-radius:999px;outline:none;flex:1;height:6px}.rank-input-range::-webkit-slider-thumb{-webkit-appearance:none;background:var(--brand);border:2px solid #fff;border-radius:50%;width:18px;height:18px;transition:transform .1s;box-shadow:0 1px 3px #0003}.rank-input-range::-webkit-slider-thumb:hover{transform:scale(1.15)}.slider-stats{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);gap:8px;padding-top:12px;display:grid}.slider-stats .stat-item{text-align:center}.slider-stats .stat-item .lbl{color:var(--muted);text-transform:uppercase;font-size:11px;display:block}.slider-stats .stat-item .val{color:var(--ink);font-size:15px;font-weight:700}.slider-stats .stat-item.highlight .val{color:var(--brand)}.feedback-widget{border-top:1px dashed var(--border);justify-content:flex-end;margin:6px 0;padding-top:8px;display:flex}.feedback-buttons{align-items:center;gap:6px;display:flex}.feedback-label{color:var(--muted);font-size:11px;font-weight:600}.feedback-btn{border:1px solid var(--border);color:var(--ink);cursor:pointer;background:#f1f5f9;border-radius:6px;padding:3px 8px;font-size:11.5px;transition:all .15s}.feedback-btn:hover{background:#e2e8f0}.feedback-btn.upvote:hover{background:var(--safe-bg);border-color:var(--safe);color:var(--safe)}.feedback-btn.downvote:hover{background:var(--ambitious-bg);border-color:var(--ambitious);color:var(--ambitious)}.feedback-thanks{color:var(--safe);font-size:11px;font-style:italic}.feedback-dashboard-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:20px;padding:18px 20px}.db-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.db-header h4{color:var(--ink);font-size:14px;font-weight:700}.refresh-btn{cursor:pointer;background:0 0;border:none;font-size:14px}.db-summary-row{gap:20px;margin-bottom:14px;display:flex}.db-summary-stat{flex-direction:column;display:flex}.db-summary-stat .lbl{color:var(--muted);font-size:11px}.db-summary-stat .val{font-size:18px;font-weight:700}.db-breakdown h5{color:var(--muted);text-transform:uppercase;margin:12px 0 8px;font-size:12px}.breakdown-row{grid-template-columns:70px 1fr 60px;align-items:center;gap:10px;margin-bottom:6px;font-size:12px;display:grid}.ratio-bar-container{align-items:center;gap:8px;display:flex}.ratio-bar{border:1px solid var(--border);background:#f1f5f9;border-radius:4px;flex:1;height:8px;overflow:hidden}.ratio-fill{border-radius:4px;height:100%}.ratio-pct{width:32px;font-weight:600}.compare-grid-container{margin-top:10px;overflow-x:auto}.compare-matrix-table{border-collapse:collapse;width:100%;font-size:13px}.compare-matrix-table th,.compare-matrix-table td{border-bottom:1px solid var(--border);padding:10px 12px}.compare-matrix-table th{background:#f8fafc}.compare-matrix-table .feature-col{width:130px;color:var(--muted);text-align:left;font-weight:600}.compare-matrix-table .choice-col{min-width:200px}.choice-header{flex-direction:column;align-items:flex-start;padding-right:24px;display:flex;position:relative}.choice-header .col-name{color:var(--brand-ink);font-size:13px;font-weight:700}.choice-header .course-name{color:var(--muted);margin-top:2px;font-size:12px}.choice-header .remove-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;font-size:14px;position:absolute;top:0;right:0}.choice-header .remove-btn:hover{color:var(--ambitious)}.lbl-cell{color:var(--muted);font-weight:600}.val-cell{color:var(--ink)}.val-cell .sub-lbl{color:var(--muted);font-size:11px}.vol-label,.trust-label{border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700}.vol-low,.trust-high{background:var(--safe-bg);color:var(--safe)}.vol-medium,.trust-medium{background:var(--moderate-bg);color:var(--moderate)}.vol-high,.trust-low{background:var(--ambitious-bg);color:var(--ambitious)}.trust-unknown{color:var(--muted);background:#f1f5f9}.chance-display{align-items:center;gap:6px;display:flex}.mode-tabs{gap:6px;margin-top:12px;display:flex}.mode-tab{border:1px solid var(--border);color:var(--ink);cursor:pointer;background:#fff;border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600}.mode-tab.on{background:var(--brand);border-color:var(--brand);color:#fff}.cmp-intro{color:var(--muted);max-width:72ch;margin:6px 0 0;font-size:13px}.cmp-inputs{flex-wrap:wrap;gap:14px;margin:18px 0 6px;display:flex}.cmp-inputs .field{flex:160px;min-width:150px;margin-bottom:0}.cmp-section{margin-top:26px}.cmp-sec-head{margin-bottom:14px;padding-left:12px}.cmp-sec-head h2{font-size:18px}.cmp-sec-count{color:var(--muted);font-weight:600}.cmp-sec-sub{color:var(--muted);margin:3px 0 0;font-size:13px}.sec-strong .cmp-sec-head{border-left:4px solid var(--safe)}.sec-good .cmp-sec-head{border-left:4px solid var(--moderate)}.sec-worth .cmp-sec-head{border-left:4px solid #ea580c}.sec-backup .cmp-sec-head{border-left:4px solid var(--ambitious)}.cmp-cards{flex-direction:column;gap:14px;display:flex}.cmp-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.cmp-head{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.cmp-name{color:var(--brand-ink);font-size:16px}.cmp-sub{color:var(--ink);margin-top:3px;font-size:13px}.cmp-cat,.cmp-dist{color:var(--muted)}.cmp-split{grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;display:grid}.cmp-path{border:1px solid var(--border);background:#fcfcfd;border-radius:10px;padding:11px 12px}.cmp-path-kcet{border-top:3px solid var(--safe)}.cmp-path-comedk{border-top:3px solid var(--brand)}.cmp-path-off{background:#fafafa}.cmp-path-name{letter-spacing:.04em;color:var(--muted);text-transform:uppercase;font-size:12px;font-weight:700}.cmp-chance{margin:4px 0;font-size:20px;font-weight:700}.cmp-type{color:var(--muted);font-size:11px;font-weight:600}.cmp-line{color:var(--ink);font-size:13px}.cmp-path-na{color:var(--muted);margin-top:6px;font-size:13px;font-style:italic}.cmp-headline{border-radius:8px;align-items:center;gap:8px;margin-top:12px;padding:9px 12px;font-size:13px;font-weight:600;display:flex}.cmp-dot{background:currentColor;border-radius:999px;flex:none;width:8px;height:8px}.cmp-chips{flex-wrap:wrap;gap:6px;margin-top:10px;display:flex}.cmp-chip{color:#475569;background:#f1f5f9;border-radius:6px;padding:2px 8px;font-size:11px;font-weight:600}.strat{white-space:nowrap;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600}.strat-strong-kcet{background:var(--safe-bg);color:var(--safe)}.strat-strong-comedk{color:var(--brand-ink);background:#dbeafe}.strat-lean{background:var(--moderate-bg);color:var(--moderate)}.strat-balanced{color:#5b6472;background:#eef1f5}.strat-kcet-only{color:#15803d;background:#ecfdf3}.strat-comedk-only{color:var(--brand);background:#eff6ff}.cmp-budget input[type=range]{width:100%;accent-color:var(--brand);cursor:pointer;margin-top:6px}.cmp-help{color:var(--muted);margin-top:4px;font-size:11px;font-style:italic;display:block}.cmp-filters{flex-wrap:wrap;gap:22px;margin:12px 0 4px;display:flex}.cmp-filter{flex-direction:column;gap:6px;display:flex}.cmp-filter-label{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px;font-weight:600}.cmp-clear{color:var(--brand);cursor:pointer;text-transform:none;letter-spacing:0;background:0 0;border:none;padding:0 0 0 6px;font-size:11px}