:root{--color-primary: #3b82f6;--color-primary-dark: #2563eb;--color-primary-light: #60a5fa;--color-bg: #1e293b;--color-bg-light: #334155;--color-bg-lighter: #475569;--color-text-primary: #f8fafc;--color-text-secondary: #cbd5e1;--color-text-muted: #94a3b8;--letter-bg: #334155;--letter-bg-hover: #475569;--letter-bg-selected: #3b82f6;--letter-border: #475569;--letter-border-selected: #60a5fa;--path-color: #3b82f6;--path-color-valid: #22c55e;--path-color-invalid: #ef4444;--color-success: #22c55e;--color-error: #ef4444;--color-warning: #f59e0b;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-sm: 14px;--font-size-base: 16px;--font-size-lg: 18px;--font-size-xl: 24px;--font-size-2xl: 32px;--font-size-3xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 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.score,.game-header .timer{font-size:var(--font-size-lg);font-weight:600;position:relative}.game-header .score #score-value{display:inline-block;transition:transform .2s}.game-header .score #score-value.bump{animation:scoreBump .3s cubic-bezier(.34,1.56,.64,1)}@keyframes scoreBump{0%{transform:scale(1)}50%{transform:scale(1.3);color:var(--color-success)}to{transform:scale(1)}}.game-header .timer #timer-value.warning{color:var(--color-warning);animation:timerPulse .5s ease-in-out infinite}.game-header .timer #timer-value.critical{color:var(--color-error);animation:timerCritical .3s ease-in-out infinite}@keyframes timerPulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes timerCritical{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.game-screen:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1;opacity:0;transition:opacity .5s ease}.game-screen.time-low:before{opacity:1;background:radial-gradient(ellipse at center,transparent 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.share-btn{background:var(--color-primary);color:#fff}.results-buttons .share-btn:hover{background:var(--color-primary-dark)}.results-buttons .share-btn.copied{background:var(--color-success)}.tutorial-screen{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-bg);display:none;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);z-index:50}.tutorial-screen.active{display:flex}.tutorial-container{max-width:500px;width:100%;display:flex;flex-direction:column;gap:var(--spacing-xl)}.tutorial-steps{display:flex;justify-content:center;gap:var(--spacing-sm)}.step-dot{width:12px;height:12px;border-radius:50%;background:var(--color-bg-lighter);transition:all .3s ease}.step-dot.active{background:var(--color-primary);transform:scale(1.2)}.step-dot.completed{background:var(--color-success)}.tutorial-content{text-align:center;animation:fadeInUp .4s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.tutorial-title{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-md);color:var(--color-primary)}.tutorial-text{font-size:var(--font-size-lg);color:var(--color-text-muted);line-height:1.6}.tutorial-visual{min-height:200px;display:flex;align-items:center;justify-content:center;animation:fadeInUp .4s ease-out .1s both}.tutorial-demo{background:var(--color-bg-light);border-radius:var(--radius-lg);padding:var(--spacing-lg);width:100%}.demo-columns{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-xl);position:relative}.demo-column{display:flex;flex-direction:column;gap:var(--spacing-sm)}.demo-column.left{align-items:flex-start}.demo-column.right{align-items:flex-end}.demo-letter{width:48px;height:48px;background:var(--letter-bg);border:2px solid var(--letter-border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xl);font-weight:700;transition:all .3s ease}.demo-letter.highlight{background:var(--letter-bg-selected);border-color:var(--letter-border-selected);box-shadow:0 0 15px #3b82f666}.demo-letter.highlight:after{content:attr(data-order);position:absolute;top:-8px;right:-8px;width:20px;height:20px;background:var(--color-primary);border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center}.demo-path{flex:1;max-width:100px;height:120px}.animated-path{stroke-dasharray:300;stroke-dashoffset:300;animation:drawPath 1.5s ease-in-out forwards infinite}@keyframes drawPath{0%{stroke-dashoffset:300}50%{stroke-dashoffset:0}to{stroke-dashoffset:0}}.demo-word{text-align:center;margin-top:var(--spacing-md);font-size:var(--font-size-md);color:var(--color-text-muted);font-family:monospace}.score-examples{display:flex;flex-direction:column;gap:var(--spacing-md)}.score-row{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-lighter);border-radius:var(--radius-md)}.score-row.combo{background:linear-gradient(135deg,#fbbf2433,#f59e0b1a);border:1px solid rgba(251,191,36,.3)}.word-example{font-weight:700;letter-spacing:2px;flex:1}.points-example{color:var(--color-success);font-weight:700}.bonus-tag,.combo-tag{font-size:var(--font-size-sm);padding:2px 8px;border-radius:var(--radius-sm)}.bonus-tag{background:#a855f733;color:#a855f7}.combo-tag{background:#fbbf2433;color:#fbbf24}.controls-demo{display:flex;flex-direction:column;gap:var(--spacing-sm)}.control-row{display:flex;align-items:center;gap:var(--spacing-md)}.control-key{min-width:100px;padding:var(--spacing-xs) var(--spacing-sm);background:var(--color-bg-lighter);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-family:monospace;font-weight:600;text-align:center}.control-desc{color:var(--color-text-muted)}.tutorial-nav{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-md)}.tutorial-skip{background:transparent;color:var(--color-text-muted)}.tutorial-skip:hover{background:var(--color-bg-light);color:var(--color-text)}.tutorial-prev{background:var(--color-bg-lighter)}.tutorial-next{background:var(--color-primary);color:#fff;min-width:120px}.tutorial-next:hover{background:var(--color-primary-dark)}