:root{--bg:#12151c;--text:#e6e9f0;--muted:#9aa3b5;--panel:#1d222d;--panel-shadow:#0006;--done:#5fd38d;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--accent:#ff4f6d;--case:#3b4252;--key-bg:#f7f8fa;--key-border:#b8bfcc;--key-text:#2b3140;color:var(--text);background:var(--bg);font-family:system-ui,Segoe UI,Roboto,sans-serif}:root[data-mode=light]{--bg:#f4f6fb;--text:#1f2633;--muted:#6b7385;--panel:white;--panel-shadow:#00000014;--done:#2e9e5b;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}body{margin:0}main{max-width:1000px;margin:0 auto;padding:24px 16px}header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}h1{margin:0;font-size:1.8rem}.brand{letter-spacing:-.02em;align-items:center;gap:10px;font-weight:900;display:flex}.brand-beast{color:#9b7bff}.controls{flex-wrap:wrap;align-items:center;gap:12px;font-size:.95rem;display:flex}.controls label{white-space:nowrap}.controls select,.controls button{font:inherit;padding:4px 10px}.mode-switch{border:1px solid var(--muted);border-radius:999px;display:inline-flex;overflow:hidden}.controls .mode-switch button{color:var(--text);cursor:pointer;background:0 0;border:none;padding:5px 14px;position:relative}.controls .mode-switch button.selected{background:var(--accent);color:#fff}.mode-switch .dot{vertical-align:middle;background:#f5b301;border-radius:50%;width:8px;height:8px;margin-left:6px;display:inline-block}.test-setup{flex-direction:column;gap:16px;margin-top:20px;display:flex}.test-setup .panel h3,.test-setup .panel p{margin:0}.notice.assignment{justify-content:space-between;align-items:center;gap:16px;margin:0;font-size:1.05rem;display:flex}.choice-group{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;display:grid}.choice{border:1px solid color-mix(in srgb, var(--muted) 50%, transparent);color:var(--text);font:inherit;text-align:left;cursor:pointer;background:0 0;border-radius:10px;flex-direction:column;gap:4px;padding:12px 14px;display:flex}.choice span{color:var(--muted);font-size:.85rem}.choice.selected{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:color-mix(in srgb, var(--accent) 10%, transparent)}.choice-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.start-test{min-width:120px;margin-left:auto}.test-bar{align-items:center;gap:12px;margin-top:20px;display:flex}.test-bar .link-button{margin-left:auto}.test-tag{vertical-align:middle;background:#f5b30140;border-radius:999px;margin-left:8px;padding:2px 8px;font-size:.75rem;font-weight:600}.small{font-size:.85rem}.activities{flex-wrap:wrap;gap:8px;margin-top:20px;display:flex}.activity{font:inherit;border:1px solid var(--muted);color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;padding:6px 12px;font-size:.9rem}.activity.current{border-color:var(--accent);background:var(--accent);color:#fff}.next{font:inherit;background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;margin-left:12px;padding:4px 14px}.text-strip{background:var(--panel);box-shadow:0 2px 8px var(--panel-shadow);white-space:pre-wrap;border-radius:12px;margin:16px 0 8px;padding:18px 24px;font-family:ui-monospace,Consolas,monospace;font-size:2.8rem;line-height:1.5}.text-strip.scrolling{scroll-behavior:smooth;box-sizing:border-box;border-block:18px solid var(--panel);height:calc(7.5em + 36px);padding-top:0;padding-bottom:0;position:relative;overflow:hidden}.text-strip span{color:var(--muted);border-radius:4px}.text-strip .done{color:var(--done)}.text-strip .current{color:#fff;background:var(--accent)}.text-strip .wrong{color:#ff5c73;background:#ff506433;-webkit-text-decoration:underline wavy #ff5c73;text-decoration:underline wavy #ff5c73}.results{align-items:center;gap:28px;margin:0 0 16px;display:flex}.stat{flex-direction:column;align-items:center;min-width:110px;display:flex}.stat-value{font-variant-numeric:tabular-nums;font-size:3rem;font-weight:800;line-height:1}.stat-label{color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:.85rem;font-weight:600}.status{color:var(--muted);margin:0}.stars{gap:4px;font-size:2.6rem;line-height:1;display:flex}.star{color:color-mix(in srgb, var(--muted) 35%, transparent)}.star.earned{color:#f5b301;animation:.36s ease-out both star-pop}@keyframes star-pop{0%{opacity:0;transform:scale(.3)}70%{transform:scale(1.25)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){.star.earned{animation:none}.text-strip.scrolling{scroll-behavior:auto}}.pill-stars{color:#f5b301;letter-spacing:-1px}.activity.current .pill-stars{color:#fff}.warning{color:var(--accent)}.stage{-webkit-user-select:none;user-select:none;width:100%;height:auto;display:block}.keyboard-case{fill:var(--case)}.key rect{fill:var(--key-bg);stroke:var(--key-border);stroke-width:1px;transition:filter 80ms}.key.pressed rect{filter:brightness(.8)}.key.wrong rect{fill:#ff9aa9!important}.key-label{fill:var(--key-text);text-anchor:middle;dominant-baseline:central;font-size:20px;font-weight:600}.key-label.small{font-size:14px;font-weight:500}.key-label.word{font-size:13px;font-weight:500}.home-bump{stroke:var(--key-text);stroke-width:2px;stroke-linecap:round}.hands,.key-highlights{pointer-events:none}.key-target{fill:none;stroke:var(--accent);stroke-width:4px;animation:1s ease-in-out infinite pulse}.key-target-label{fill:var(--accent);text-anchor:middle;dominant-baseline:central;paint-order:stroke;stroke:#fff;stroke-width:4px;font-size:22px;font-weight:800}.header-link,.auth-card a,.auth-links a{color:#9b7bff}.brand-link{color:inherit;text-decoration:none}.teacher{max-width:720px}.auth-card{background:var(--panel);max-width:420px;box-shadow:0 2px 8px var(--panel-shadow);border-radius:12px;flex-direction:column;gap:14px;margin:32px auto 0;padding:28px;display:flex}.dashboard .auth-card{max-width:none;margin-top:16px}.auth-card h2,.auth-card h3,.auth-card p{margin:0}.field{flex-direction:column;gap:6px;font-weight:600;display:flex}.field input{font:inherit;border:1px solid var(--muted);background:var(--bg);color:var(--text);border-radius:8px;padding:9px 12px;font-weight:400}.field input:focus{border-color:#0000;outline:2px solid #9b7bff}.field small,.muted{color:var(--muted);font-weight:400}.primary,.secondary{font:inherit;cursor:pointer;border-radius:8px;padding:10px 18px;font-weight:600}.primary{color:#fff;background:#7c4dff;border:none}.primary:disabled{opacity:.6;cursor:default}.secondary{border:1px solid var(--muted);color:var(--text);background:0 0}.form-error{color:#ff5c73}.auth-links{flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:.95rem;display:flex}.dashboard{margin-top:28px}.dashboard-top{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.dashboard-top h2,.dashboard-top p{margin:0 0 4px}.trial-banner{background:#9b7bff26;border-radius:8px;padding:10px 14px}.teacher.wide{max-width:900px}.panel{background:var(--panel);box-shadow:0 2px 8px var(--panel-shadow);border-radius:12px;flex-direction:column;gap:12px;margin-top:16px;padding:22px 24px;display:flex}.panel h3,.panel p{margin:0}.field textarea,.inline-form input{font:inherit;border:1px solid var(--muted);background:var(--bg);color:var(--text);border-radius:8px;padding:9px 12px;font-weight:400}.field textarea{resize:vertical}.inline-form{gap:8px;display:flex}.inline-form input{flex:1}.class-list{margin:0;padding:0;list-style:none}.class-list li,.sign-ins li{border-bottom:1px solid #9aa3b533;justify-content:space-between;gap:12px;padding:8px 0;display:flex}.class-list a{color:#9b7bff;font-weight:600}.sign-ins{margin:0;padding:0;font-size:.95rem;list-style:none}.class-link{color:var(--text)}.button-row{flex-wrap:wrap;gap:8px;display:flex}.button-link{text-decoration:none;display:inline-block}.danger{font:inherit;color:#ff5c73;cursor:pointer;background:0 0;border:1px solid #ff5c73;border-radius:8px;padding:10px 18px;font-weight:600}.danger-text{color:#ff5c73!important}.secondary.small{padding:4px 10px;font-size:.9rem}.link-button{font:inherit;color:#9b7bff;cursor:pointer;background:0 0;border:none;padding:0;text-decoration:underline}.notice{background:#9b7bff26;border-radius:8px;margin:12px 0 0;padding:10px 14px}.warning-notice{background:#ffb0202e}.roster{border-collapse:collapse;width:100%}.roster th{color:var(--muted);text-align:left;text-transform:uppercase;letter-spacing:.06em;font-size:.85rem}.roster th,.roster td{border-bottom:1px solid #9aa3b533;padding:8px 6px}.roster code{font-size:1.05rem}.roster .num{text-align:right}.roster th,.roster td:not(.row-actions,.wrap){white-space:nowrap}.grid-scroll{overflow-x:auto}.progress-grid{border-collapse:separate;border-spacing:3px;font-size:.85rem}.progress-grid th{color:var(--muted);padding:2px 0;font-weight:600}.progress-grid .grid-name{z-index:1;background:var(--panel);color:var(--text);text-align:left;white-space:nowrap;padding-right:10px;font-size:.95rem;position:sticky;left:0}.progress-grid thead .grid-name{color:var(--muted)}.progress-grid .grid-done{color:var(--muted);text-align:right;white-space:nowrap;padding-right:8px}.grid-cell{text-align:center;white-space:nowrap;background:color-mix(in srgb, var(--muted) 10%, transparent);border-radius:6px;min-width:34px;height:30px}.grid-cell.partial{box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--muted) 50%, transparent);color:var(--muted);background:0 0}.grid-cell.complete{background:color-mix(in srgb, var(--done) 35%, transparent)}.grid-cell.stars-3{background:color-mix(in srgb, var(--done) 55%, transparent);font-weight:700}.grid-cell.stars-2{background:color-mix(in srgb, var(--done) 25%, transparent)}.grid-cell.stars-1{background:#f5b30159}.grid-cell.stars-0{background:color-mix(in srgb, var(--accent) 35%, transparent)}.grid-legend{flex-wrap:wrap;align-items:center;gap:6px;margin:0;font-size:.85rem;display:flex}.grid-legend .grid-cell{height:auto;color:var(--text);padding:3px 6px;display:inline-block}.grid-legend .grid-cell.partial{color:var(--muted)}.grid-legend .grid-cell+.grid-cell{margin-left:0}.grid-legend .grid-cell:first-child,.grid-legend .complete,.grid-legend .stars-3{margin-left:10px}.grid-legend .grid-cell:first-child{margin-left:0}.assign-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.assign-form{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.assign-form label{color:var(--muted);flex-direction:column;gap:4px;font-size:.85rem;display:flex}.assign-form select{font:inherit;border:1px solid color-mix(in srgb, var(--muted) 50%, transparent);background:var(--bg);color:var(--text);border-radius:8px;padding:8px 10px;font-size:1rem}.class-trouble{margin:4px 0 0}.key-chips{flex-wrap:wrap;gap:6px;display:inline-flex}.key-chip{white-space:nowrap;color:var(--muted);font-size:.9rem}.key-chip kbd{border:1px solid color-mix(in srgb, var(--accent) 60%, transparent);background:color-mix(in srgb, var(--accent) 15%, transparent);min-width:1.4em;color:var(--text);text-align:center;border-radius:5px;padding:1px 6px;font-family:inherit;font-weight:700;display:inline-block}.toggle-setting{cursor:pointer;align-items:flex-start;gap:10px;margin:16px 0 20px;display:flex}.toggle-setting input{width:18px;height:18px;accent-color:var(--accent);flex:none;margin:2px 0 0}.toggle-setting .hint{color:var(--muted);font-size:.85rem;display:block}.row-actions{text-align:right;font-size:.9rem}.row-actions button{white-space:nowrap}.row-actions button+button{margin-left:10px}.class-header h2,.class-header p{margin:0 0 4px}.class-header .button-row{margin-top:14px}.student-badge{align-items:center;gap:10px;font-weight:600;display:inline-flex}.student-card{text-align:center;align-items:stretch;margin-top:8vh}.student-brand{flex-direction:column;align-items:center;gap:6px;display:flex}.student-class{color:var(--muted);min-height:1.5em;font-size:1.1rem}.code-input{text-align:center;letter-spacing:.04em;font-family:ui-monospace,Consolas,monospace!important;font-size:1.8rem!important}.primary.big{padding:14px;font-size:1.3rem}.cards-page{max-width:900px}.cards-toolbar{align-items:center;gap:16px;margin-bottom:20px;display:flex}.cards-toolbar a{color:#9b7bff}.cards{grid-template-columns:repeat(2,1fr);display:grid}.card{border:1px dashed var(--muted);break-inside:avoid;color:#1f2633;background:#fff;padding:18px 20px}.card p{margin:0}.card-brand{align-items:center;gap:6px;font-weight:900;display:flex}.card-name{font-size:1.3rem;font-weight:700;margin:8px 0 10px!important}.card-label{color:#6b7385;text-transform:uppercase;letter-spacing:.06em;font-size:.8rem;font-weight:600}.card-link{font-weight:600;margin-bottom:8px!important}.card-code{color:#4b2bb3;font-family:ui-monospace,Consolas,monospace;font-size:1.6rem;font-weight:700}@media print{:root{color:#000;background:#fff}.no-print{display:none!important}.cards-page{max-width:none;padding:0}.card{border-color:#999}}@keyframes pulse{50%{stroke-opacity:.35}}
