:root{--bg-primary:#fff;--text-primary:#171717;--accent:#4f3b78;--lines:#e5e7eb;--color-muted:#737373;--color-tag-bg:#f5f5f5;--color-tag-border:#e5e5e5;--color-danger:#ef4444;--font-size-base:16px;--transition-speed:.25s;--font-family:"Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}:root[data-theme=dark]{--bg-primary:#0a0a0a;--text-primary:#fafafa;--accent:#a592d6;--lines:#262626;--color-muted:#a3a3a3;--color-tag-bg:#171717;--color-tag-border:#262626;--color-danger:#ef4444}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg-primary:#0a0a0a;--text-primary:#fafafa;--accent:#a592d6;--lines:#262626;--color-muted:#a3a3a3;--color-tag-bg:#171717;--color-tag-border:#262626;--color-danger:#ef4444}}*{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base,16px);box-sizing:border-box;scrollbar-gutter:stable}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-speed) ease, color var(--transition-speed) ease;flex-direction:column;min-height:100vh;margin:0;padding:0;font-weight:400;line-height:1.6;display:flex}::selection{background-color:var(--accent);color:var(--bg-primary)}.container{box-sizing:border-box;flex-direction:column;width:100%;max-width:680px;min-height:100vh;margin:0 auto;padding:60px 24px 80px;display:flex}main{flex:1}::-webkit-scrollbar{width:12px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background-color:var(--lines);border:3px solid var(--bg-primary);transition:background-color var(--transition-speed) ease;border-radius:12px}::-webkit-scrollbar-thumb:hover{background-color:var(--accent)}.site-header{border-bottom:1px solid var(--lines);transition:border-color var(--transition-speed) ease;justify-content:space-between;align-items:baseline;margin-bottom:32px;padding-bottom:24px;display:flex}.site-title{letter-spacing:-.03em;margin:0;font-size:1.5rem;font-weight:500}.site-title a{color:var(--text-primary);text-decoration:none}.lead-text{color:var(--color-muted);margin-bottom:32px;font-size:.95rem;line-height:1.5}footer{border-top:1px solid var(--lines);text-align:center;color:var(--color-muted);transition:border-color var(--transition-speed) ease, color var(--transition-speed) ease;margin-top:48px;padding:24px 0 0;font-size:.8rem}.control-panel{background:var(--bg-primary);border:1px solid var(--lines);z-index:1000;transition:all var(--transition-speed) ease;border-radius:24px;align-items:center;padding:4px 12px;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 12px #00000008}:root[data-theme=dark] .control-panel{box-shadow:0 4px 20px #0006}.control-btn{color:var(--text-primary);cursor:pointer;opacity:.6;transition:all var(--transition-speed) ease;background:0 0;border:none;justify-content:center;align-items:center;padding:6px 8px;font-family:inherit;font-size:.85rem;font-weight:500;display:flex}.control-btn:hover{color:var(--accent);opacity:1}.control-divider{background-color:var(--lines);width:1px;height:14px;margin:0 4px}.prompt-box{border:1px solid var(--lines);transition:border-color var(--transition-speed) ease;background:0 0;border-radius:8px;margin-bottom:28px;padding:24px 28px;position:relative}.prompt-top-row{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.prompt-label{text-transform:uppercase;letter-spacing:.08em;color:var(--color-muted);font-size:.75rem;font-weight:500}.next-prompt-btn{color:var(--color-muted);cursor:pointer;transition:all var(--transition-speed) ease;background:0 0;border:none;border-radius:4px;align-items:center;gap:4px;padding:2px 6px;font-family:inherit;font-size:.75rem;display:inline-flex}.next-prompt-btn:hover:not(:disabled){color:var(--accent);background:var(--color-tag-bg)}.next-prompt-btn:disabled{opacity:.4;cursor:not-allowed}.prompt-sentence{letter-spacing:-.02em;font-size:1.35rem;line-height:1.5}.highlight-word{color:var(--accent);border-bottom:2px solid var(--accent);padding-bottom:2px;font-weight:600;display:inline-block}.status-row{flex-direction:column;gap:10px;margin-bottom:24px;padding:12px 0 16px;display:flex}.timer-row{align-items:center;gap:16px;width:100%;display:flex}.timer-display{font-variant-numeric:tabular-nums;min-width:38px;color:var(--text-primary);font-size:.95rem;font-weight:500;transition:color .3s}.timer-display.danger{color:var(--color-danger);font-weight:600}.timer-track{background-color:var(--lines);border-radius:2px;flex:1;height:3px;position:relative;overflow:hidden}.timer-bar{background-color:var(--text-primary);transform-origin:0;border-radius:2px;width:100%;height:100%;transition:width 1s linear,background-color .3s}.timer-bar.danger{background-color:var(--color-danger)}.input-wrapper{margin-bottom:28px;position:relative}.word-input{border:1px solid var(--lines);width:100%;color:var(--text-primary);transition:border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;background:0 0;border-radius:6px;outline:none;padding:16px 20px;font-family:inherit;font-size:1.1rem}.word-input:focus{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.word-input:disabled{opacity:.5;cursor:not-allowed}.word-input::placeholder{color:var(--color-muted);opacity:.6;font-size:1rem}.input-hint{color:var(--color-muted);pointer-events:none;opacity:.7;font-size:.75rem;position:absolute;top:50%;right:16px;transform:translateY(-50%)}.chips-area{flex-wrap:wrap;align-content:flex-start;gap:10px;min-height:80px;margin-bottom:32px;display:flex}.word-chip{background:var(--color-tag-bg);border:1px solid var(--color-tag-border);border-radius:20px;align-items:center;gap:8px;padding:6px 14px;font-size:.9rem;animation:.2s ease-out chipPop;display:inline-flex}.word-chip .remove-chip{cursor:pointer;color:var(--color-muted);transition:color var(--transition-speed);background:0 0;border:none;justify-content:center;align-items:center;padding:0;font-size:.85rem;line-height:1;display:inline-flex}.word-chip .remove-chip:hover{color:var(--color-danger)}@keyframes chipPop{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.actions-row{border-top:1px solid var(--lines);align-items:center;gap:14px;margin-top:auto;padding-top:24px;display:flex}.btn{cursor:pointer;transition:all var(--transition-speed) ease;border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:10px 22px;font-family:inherit;font-size:.9rem;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:var(--accent);color:var(--bg-primary);border:1px solid var(--accent)}.btn-primary:hover:not(:disabled){opacity:.9;transform:translateY(-1px)}.btn-secondary{color:var(--text-primary);border:1px solid var(--lines);background:0 0}.btn-secondary:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.results-card{border:1px solid var(--lines);border-radius:8px;margin-top:32px;padding:28px;scroll-margin-top:32px;animation:.3s ease-out fadeIn}.results-header{border-bottom:1px solid var(--lines);justify-content:space-between;align-items:baseline;margin-bottom:20px;padding-bottom:16px;display:flex}.results-title{letter-spacing:-.02em;font-size:1.25rem;font-weight:500}.total-score{color:var(--accent);font-variant-numeric:tabular-nums;font-size:1.75rem;font-weight:600}.score-breakdown-list{flex-direction:column;gap:12px;margin-bottom:24px;padding:0;list-style:none;display:flex}.score-row{background:var(--color-tag-bg);border-radius:6px;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 14px;font-size:.9rem;display:flex}.score-row.invalid{opacity:.7}.score-word{white-space:nowrap;flex-shrink:0;min-width:80px;font-weight:500}.score-desc{color:var(--color-muted);flex:1;margin:0 8px;font-size:.82rem;line-height:1.4}.score-row.invalid .score-word{text-decoration:line-through}.score-pts{color:var(--text-primary);text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0;min-width:55px;font-weight:600}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.missed-words-section{background:var(--color-tag-bg);border:1px dashed var(--lines);border-radius:6px;margin-top:20px;padding:16px}.missed-words-title{color:var(--color-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;font-size:.8rem;font-weight:500}.missed-words-list{flex-wrap:wrap;gap:8px;display:flex}.missed-word-chip{background:var(--bg-primary);border:1px solid var(--lines);border-radius:4px;align-items:center;gap:8px;padding:6px 12px;font-size:.85rem;display:inline-flex}.missed-word-name{color:var(--text-primary);font-weight:500}.missed-word-meta{color:var(--accent);font-size:.75rem;font-weight:500}.leaderboard-snippet{border-top:1px solid var(--lines);color:var(--color-muted);justify-content:space-between;align-items:center;margin-top:24px;padding-top:20px;font-size:.85rem;display:flex}.leaderboard-snippet strong{color:var(--text-primary);font-weight:600}.new-record-tag{color:var(--accent);margin-left:4px;font-weight:600}@media (width<=640px){.container{padding:40px 16px 110px}.site-header{margin-bottom:24px}.prompt-box{padding:18px 20px}.prompt-sentence{font-size:1.15rem}.actions-row{flex-direction:column;gap:10px}.actions-row .btn{width:100%}.actions-row .btn:last-child{margin-left:0!important}.control-panel{bottom:16px;right:16px}}