:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--container-max-width: 1400px;--header-height: 60px;--controls-gap: 15px;--controls-min-width: 180px;--bg-color: #ffffff;--text-color: #333333;--primary-color: #2563eb;--accent-color: #f3f4f6;--input-bg: #ffffff;--input-border: #d1d5db;--input-text: #374151;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1);--text-color-filter: invert(0);--sample-text-color: var(--text-color);--sample-bg-color: var(--bg-color)}[data-theme=dark]{--bg-color: #0a0a0a;--text-color: #e5e5e5;--primary-color: #ffffff;--accent-color: #1a1a1a;--input-bg: #1a1a1a;--input-border: #333333;--input-text: #e5e5e5;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .5);--text-color-filter: invert(1);--sample-text-color: var(--text-color);--sample-bg-color: var(--bg-color)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-color);color:var(--text-color);line-height:1.6;transition:background-color .3s ease,color .3s ease;width:100%}.app{min-height:100vh;width:100vw;position:static;background:none}.container{margin:0;padding:2rem;width:100%}.main-content{width:100%;background:var(--bg-color)}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:20px}.loading-spinner{width:40px;height:40px;border:4px solid var(--accent-color);border-top:4px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.header{padding:15px 0}.container .controls-grid{grid-template-columns:1fr}.font-specimen{flex-direction:column}.font-info{flex:none;border-right:none;border-bottom:1px solid var(--input-border)}.font-sample{min-height:200px}}.controls-section{margin-bottom:30px;padding:20px;background:var(--accent-color);border-radius:8px;border:1px solid var(--input-border)}.controls-section-title{font-size:1.1rem;font-weight:600;color:var(--text-color);margin-bottom:15px;padding-bottom:8px;border-bottom:2px solid var(--primary-color)}.controls-section .controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(var(--controls-min-width),1fr));gap:var(--controls-gap)}.controls-section .control-group{display:flex;flex-direction:column;gap:8px}.controls-section .control-group label{font-weight:600;font-size:.9rem;color:var(--text-color)}.controls-section .control-group input,.controls-section .control-group select{padding:8px 12px;border:1px solid var(--input-border);border-radius:6px;background:var(--input-bg);color:var(--input-text);font-size:14px;transition:border-color .3s ease}.controls-section .control-group input:focus,.controls-section .control-group select:focus{outline:none;border-color:var(--primary-color)}.controls-section .control-group input[type=color]{padding:4px;width:60px;height:40px;cursor:pointer}.controls-section .control-group input[type=range]{padding:0;height:6px;background:var(--accent-color);border-radius:3px;cursor:pointer}.controls-section .control-group input[type=range]::-webkit-slider-thumb{appearance:none;width:18px;height:18px;background:var(--primary-color);border-radius:50%;cursor:pointer}.controls-section .control-group input[type=range]::-moz-range-thumb{width:18px;height:18px;background:var(--primary-color);border-radius:50%;cursor:pointer;border:none}.font-specimens{display:flex;flex-direction:column;gap:20px;width:100%}.font-specimens .font-specimen{width:100%;flex:1 1 100%;margin-bottom:0;display:flex;background:var(--accent-color);border-radius:8px;overflow:hidden;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}.font-specimens .font-specimen .font-info{flex:0 0 320px;width:320px;min-width:220px;max-width:400px;padding:20px;background:var(--bg-color);border-right:1px solid var(--input-border)}.font-specimens .font-specimen .font-info .font-info-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.font-specimens .font-specimen .font-info .font-info-header .font-name{font-size:1.3rem;font-weight:600;color:var(--text-color);margin:0}.font-specimens .font-specimen .font-info .font-info-header .font-badges{display:flex;gap:5px}.font-specimens .font-specimen .font-info .font-info-header .font-badges .font-badge{padding:2px 6px;border-radius:4px;font-size:.7rem;font-weight:600;text-transform:uppercase}.font-specimens .font-specimen .font-info .font-info-header .font-badges .font-badge.variable-font-badge{background:#10b981;color:#fff}.font-specimens .font-specimen .font-info .font-info-header .font-badges .font-badge.monospace-font-badge{background:#f59e0b;color:#fff}.font-specimens .font-specimen .font-meta{margin-bottom:20px}.font-specimens .font-specimen .font-meta p{margin-bottom:8px;font-size:.9rem;color:var(--text-color)}.font-specimens .font-specimen .font-actions{margin-top:auto}.font-specimens .font-specimen .copy-btn{padding:8px 16px;background:var(--primary-color);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background-color .3s ease}.font-specimens .font-specimen .copy-btn:hover{background:#1d4ed8}.font-specimens .font-specimen .readability-display{padding:8px 12px;border-radius:6px;font-weight:600;font-size:.9rem;text-align:center;border:1px solid var(--input-border);transition:background .3s,color .3s}.font-specimens .font-specimen .readability-display.fail{background:linear-gradient(90deg,#ff4d4f,#ff7875);color:#fff}.font-specimens .font-specimen .readability-display.aa{background:linear-gradient(90deg,#f59e0b,#fbbf24);color:#fff}.font-specimens .font-specimen .readability-display.aaa{background:linear-gradient(90deg,#22c55e,#4ade80);color:#fff}.font-specimens .font-specimen .font-sample{flex:1 1 0%;min-width:0;padding:20px;background:var(--sample-bg-color);overflow:auto}.font-specimens .font-specimen .font-sample pre{margin:0;white-space:pre-wrap;word-wrap:break-word;font-family:inherit;background:transparent;border:none;padding:0}[data-theme=dark] .variable-font-badge{background:#059669}[data-theme=dark] .monospace-font-badge{background:#d97706}[data-theme=dark] .font-sample{background:#000!important}.header{position:sticky;top:0;background:var(--bg-color);padding:20px 0;box-shadow:var(--shadow);z-index:100;margin-bottom:30px;width:100%}.header h1{font-size:2.5rem;font-weight:700;margin-bottom:10px;color:var(--primary-color)}.header p{font-size:1.1rem;color:var(--text-color);opacity:.8}.theme-toggle{position:fixed;top:20px;right:20px;z-index:1000;display:flex;align-items:center;justify-content:center;width:44px;height:44px;cursor:pointer;border:1px solid var(--input-border);border-radius:50%;background:var(--input-bg);transition:all .3s ease;box-shadow:var(--shadow)}.theme-toggle:hover{border-color:var(--primary-color);transform:scale(1.05)}.theme-toggle img{width:20px;height:20px;filter:var(--text-color-filter);pointer-events:none}