:root{--bg-color: #FBF7EE;--card-bg: #FFFFFF;--card-border: #E8E2D5;--text-color: #2D3748;--text-muted: #718096;--primary: #D97706;--primary-hover: #B45309;--accent: #3B82F6;--success: #10B981;--danger: #EF4444;--shadow: 0 10px 25px -5px rgba(0, 0, 0, .05), 0 8px 10px -6px rgba(0, 0, 0, .03);--radius: 16px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}[data-theme=dark]{--bg-color: #0F172A;--card-bg: #1E293B;--card-border: #334155;--text-color: #F8FAFC;--text-muted: #94A3B8;--primary: #F59E0B;--primary-hover: #D97706;--shadow: 0 10px 25px -5px rgba(0, 0, 0, .4)}[data-theme=light]{--bg-color: #F8FAFC;--card-bg: #FFFFFF;--card-border: #E2E8F0;--text-color: #0F172A;--text-muted: #64748B;--primary: #2563EB;--primary-hover: #1D4ED8;--shadow: 0 10px 25px -5px rgba(0, 0, 0, .08)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;user-select:none}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;transition:background-color .3s ease,color .3s ease;overflow-x:hidden}#app{width:100%;max-width:480px;min-height:100vh;display:flex;flex-direction:column;padding:16px}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px}.top-bar .title-group{display:flex;align-items:center;gap:8px}.top-bar h1{font-size:1.15rem;font-weight:700;color:var(--text-color)}.icon-btn{background:transparent;border:none;font-size:1.25rem;cursor:pointer;padding:6px;border-radius:8px;transition:background-color .2s ease}.icon-btn:hover{background:#0000000d}.mode-selector{display:flex;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:4px;margin-bottom:16px;gap:4px}.mode-btn{flex:1;border:none;background:transparent;padding:8px 4px;font-size:.85rem;font-weight:600;color:var(--text-muted);border-radius:8px;cursor:pointer;transition:all .2s ease;text-align:center}.mode-btn.active{background:var(--primary);color:#fff;box-shadow:0 2px 6px #00000026}.game-container{flex:1;display:flex;flex-direction:column;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 16px;gap:16px}.game-status-bar{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;color:var(--text-muted)}.timer-tag{background:#ef44441a;color:var(--danger);padding:4px 10px;border-radius:20px;font-weight:700}.score-tag{background:#10b9811a;color:var(--success);padding:4px 10px;border-radius:20px;font-weight:700}.instruction-banner{text-align:center;font-size:1.1rem;font-weight:700;color:var(--accent);background:#3b82f614;padding:8px;border-radius:10px;min-height:40px;display:flex;align-items:center;justify-content:center}.word-display-card{flex:1;min-height:160px;display:flex;align-items:center;justify-content:center;background:var(--bg-color);border:2px dashed var(--card-border);border-radius:var(--radius);margin:8px 0;transition:transform .15 ease,border-color .2s ease}.stroop-word{font-size:3.5rem;font-weight:900;letter-spacing:2px;line-height:1;text-shadow:0 4px 10px rgba(0,0,0,.05)}.countdown-overlay{display:flex;align-items:center;justify-content:center;width:100%;height:100%}.countdown-num{font-size:5rem;font-weight:900;color:var(--primary);animation:countdownPulse .85s cubic-bezier(.175,.885,.32,1.275) infinite}@keyframes countdownPulse{0%{opacity:.2;transform:scale(.5)}50%{opacity:1;transform:scale(1.2)}to{opacity:.8;transform:scale(1)}}.answers-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.color-choice-btn{min-height:64px;border:none;border-radius:12px;font-size:1.25rem;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 4px 10px #0000001f;transition:transform .1s ease,filter .2s ease;display:flex;align-items:center;justify-content:center}.color-choice-btn:active{transform:scale(.95);filter:brightness(.9)}.start-overlay{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:32px 16px;text-align:center}.btn{border:none;border-radius:12px;font-size:1.1rem;font-weight:700;padding:14px 28px;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #d977064d}.btn-primary:hover{background:var(--primary-hover)}.btn-block{width:100%}.modal-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--shadow);width:100%;max-width:420px;padding:24px;display:flex;flex-direction:column;gap:16px}.modal-header{text-align:center}.modal-header .badge-icon{font-size:3rem;display:block;margin-bottom:8px}.modal-header h2{font-size:1.5rem;font-weight:800}.modal-header .badge-title{color:var(--primary);font-weight:700;margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.stat-box{background:var(--bg-color);border:1px solid var(--card-border);border-radius:12px;padding:12px;text-align:center;display:flex;flex-direction:column;justify-content:center}.stat-box.highlight{grid-column:span 2;background:#d9770614;border-color:#d9770633}.stat-label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase}.stat-value{font-size:1.6rem;font-weight:800;margin:4px 0}.stat-value.sm{font-size:1.15rem}.stat-value.good{color:var(--success)}.stat-value.warning{color:var(--primary)}.stat-sub{font-size:.7rem;color:var(--text-muted)}.badge-desc-box{background:var(--bg-color);padding:12px;border-radius:10px;font-size:.9rem;color:var(--text-color);line-height:1.4}.streak-tag{background:#f59e0b1f;color:#d97706;padding:4px 8px;border-radius:20px;font-size:.8rem;font-weight:700}.setting-group{display:flex;flex-direction:column;gap:8px}.setting-group.toggle-row{flex-direction:row;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px dashed var(--card-border)}.setting-label{font-size:.9rem;font-weight:700;color:var(--text-color)}.pill-group{display:flex;gap:8px}.pill-btn{flex:1;border:1px solid var(--card-border);background:var(--bg-color);color:var(--text-color);padding:8px;font-size:.85rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s ease;text-align:center}.pill-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 6px #00000026}.toggle-checkbox{width:44px;height:24px;appearance:none;background:var(--card-border);border-radius:12px;position:relative;outline:none;cursor:pointer;transition:background .2s ease}.toggle-checkbox:checked{background:var(--success)}.toggle-checkbox:before{content:"";position:absolute;width:20px;height:20px;border-radius:50%;top:2px;left:2px;background:#fff;transition:transform .2s ease;box-shadow:0 1px 3px #0003}.toggle-checkbox:checked:before{transform:translate(20px)}.animate-pop{animation:popIn .25s cubic-bezier(.175,.885,.32,1.275)}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}