:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f7f7f5;--surface:#fff;--text:#1d2125;--muted:#5c6670;--border:#d5d9dd;--accent:#23527c;--accent-text:#fff;--good-bg:#dff3e4;--good-border:#2c7a4b;--bad-bg:#fbe3e1;--bad-border:#b3372c;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#15181b;--surface:#1f2428;--text:#e9ecef;--muted:#a3adb6;--border:#3a4248;--accent:#8cbbe6;--accent-text:#10151a;--good-bg:#17392a;--good-border:#5cc48a;--bad-bg:#452120;--bad-border:#ec8a80}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}.page{max-width:640px;margin:0 auto;padding:16px}h1{margin:.5rem 0 1rem;font-size:1.6rem;line-height:1.2}h2{margin:0 0 .5rem;font-size:1.15rem}section{margin-top:2rem}button,.button{border:1px solid var(--border);background:var(--surface);min-height:44px;color:var(--text);font:inherit;text-align:center;cursor:pointer;border-radius:8px;padding:.6rem 1rem;display:inline-block}button:hover:not(:disabled),.button:hover{border-color:var(--accent)}button:disabled{cursor:default}button.primary{border-color:var(--accent);background:var(--accent);color:var(--accent-text);font-weight:600}button.primary:disabled{opacity:.5}button.large{width:100%;font-size:1.05rem}button.link{color:var(--accent);background:0 0;border:0;padding-inline:0;text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input:not([type=file]){border:1px solid var(--border);background:var(--surface);min-width:0;min-height:44px;color:var(--text);font:inherit;border-radius:8px;flex:1;padding:.5rem .75rem}.row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.between{justify-content:space-between}.stack{flex-direction:column;gap:.6rem;margin:1rem 0;display:flex}.muted{color:var(--muted);font-weight:400}.banner{border:1px solid var(--bad-border);background:var(--bad-bg);border-radius:8px;padding:.75rem 1rem}.add-profile{margin-top:1.5rem}.add-profile label{margin-bottom:.4rem;display:block}.add-profile .row{flex-wrap:nowrap}.stats{grid-template-columns:repeat(3,1fr);gap:.6rem;margin:1rem 0;display:grid}.stats div{border:1px solid var(--border);background:var(--surface);text-align:center;border-radius:8px;padding:.75rem}.stats dt{color:var(--muted);font-size:.875rem}.stats dd{font-variant-numeric:tabular-nums;margin:0;font-size:1.5rem;font-weight:700}progress{width:100%;height:8px;accent-color:var(--accent);margin:.5rem 0 1.25rem;display:block}.quiz-word{letter-spacing:.02em;overflow-wrap:anywhere;margin:0 0 1rem;font-size:1.9rem}button.option{text-align:left;align-items:center;gap:.75rem;width:100%;display:flex}button.option:disabled{color:var(--text)}button.option.correct{border:2px solid var(--good-border);background:var(--good-bg)}button.option.wrong{border:2px solid var(--bad-border);background:var(--bad-bg)}.letter{color:var(--muted);font-weight:700}.feedback{border:1px solid var(--border);background:var(--surface);border-radius:8px;margin-top:1rem;padding:1rem}.feedback p{margin:0 0 .75rem}.example{color:var(--muted);margin:0 0 .5rem;font-style:italic}.examples{margin:.5rem 0}.examples button.link{min-height:44px;padding-block:0}.word-list{margin:1rem 0;padding:0;list-style:none}.word-list li{border-bottom:1px solid var(--border);padding:.75rem 0}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;padding:.5rem}th{color:var(--muted);font-size:.875rem;font-weight:600}.num{text-align:right;font-variant-numeric:tabular-nums}footer{color:var(--muted);text-align:center;margin-top:3rem;font-size:.8rem}