:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--primary-color:#4a90e2;--secondary-color:#f5f7fa;--text-color:#2c3e50;--border-radius:12px}body{background-color:#f0f2f5;margin:0;padding:0}.container{max-width:800px;color:var(--text-color);min-height:100vh;margin:0 auto;padding:1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}header{text-align:center;border-radius:var(--border-radius);background:#fff;margin-bottom:1rem;padding:1.5rem 0;box-shadow:0 2px 10px #0000000d}h1{color:var(--primary-color);margin:0 0 1rem;font-size:1.5rem}nav{justify-content:center;gap:.5rem;padding:0 .5rem;display:flex}nav button{cursor:pointer;border:1px solid var(--primary-color);color:var(--primary-color);background-color:#fff;border-radius:8px;flex:1;padding:.7rem .2rem;font-size:.9rem;font-weight:600;transition:all .2s}nav button:hover,nav button.active{background-color:var(--primary-color);color:#fff}main{background-color:#0000;padding:0}.word-list-container{gap:.8rem;display:grid}.word-card{border-radius:var(--border-radius);background:#fff;justify-content:space-between;align-items:center;padding:1rem;display:flex;box-shadow:0 2px 5px #0000000d}.word-info .english{margin-bottom:.2rem;font-size:1.2rem;font-weight:700;display:block}.word-info .korean{color:#666;font-size:.95rem}.word-stats{text-align:right;color:#888;font-size:.8rem}.stat-item{margin-left:.5rem;display:inline-block}.stat-correct{color:#2ecc71}.stat-incorrect{color:#e74c3c}.add-word-section{border-radius:var(--border-radius);background:#fff;margin-bottom:1rem;padding:1rem;box-shadow:0 2px 5px #0000000d}.add-word-form{flex-direction:column;gap:.8rem;display:flex}.add-word-form input{border:1px solid #ddd;border-radius:8px;padding:.8rem;font-size:1rem}.add-word-form button{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.8rem;font-weight:700}.test-card{border-radius:var(--border-radius);text-align:center;background:#fff;padding:2rem 1rem;box-shadow:0 4px 15px #0000001a}.english-large{color:var(--text-color);margin-bottom:2rem;font-size:2.5rem;font-weight:800}.test-form{flex-direction:column;gap:1rem;display:flex}.test-form input{text-align:center;border:2px solid #eee;border-radius:12px;padding:1rem;font-size:1.2rem}.test-form input:focus{border-color:var(--primary-color);outline:none}table{display:none}@media (width>=600px){table{border-radius:var(--border-radius);background:#fff;width:100%;display:table;overflow:hidden;box-shadow:0 2px 10px #0000000d}.word-list-container{display:none}th,td{text-align:left;border-bottom:1px solid #eee;padding:1.2rem}th{background-color:#fafafa}.add-word-form{flex-direction:row}h1{font-size:2rem}.english-large{font-size:4rem}}.error-card{border-radius:var(--border-radius);text-align:center;background:#fff;padding:2rem}