:root{--primary: #3b82f6;--primary-hover: #2563eb;--bg-gradient: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);--card-bg: rgba(255, 255, 255, .9);--text-main: #1e293b;--text-muted: #64748b;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--shadow: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg-gradient);color:var(--text-main);display:flex;justify-content:center;align-items:center;min-height:100vh}.app-container{width:100%;max-width:420px;padding:20px;display:flex;flex-direction:column;gap:16px}.game-header{display:flex;justify-content:space-between;align-items:center;padding:0 4px}.cloud-badge{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-muted);background:#ffffff80;padding:4px 10px;border-radius:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.high-score-display{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--warning);font-size:14px}.game-card{background:var(--card-bg);border-radius:24px;padding:32px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.5);min-height:480px;display:flex;flex-direction:column}.screen-content{display:flex;flex-direction:column;height:100%;flex:1}.screen-content.center{align-items:center;justify-content:center;text-align:center}.hero-visual{width:160px;height:160px;margin-bottom:24px}h1{font-size:28px;margin-bottom:12px;background:linear-gradient(to right,#3b82f6,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.description{color:var(--text-muted);font-size:15px;line-height:1.6;margin-bottom:32px}.primary-btn{background:var(--primary);color:#fff;border:none;padding:14px 28px;border-radius:16px;font-size:16px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:10px;transition:all .2s;box-shadow:0 4px 12px #3b82f64d}.primary-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 16px #3b82f666}.stats-bar{display:flex;justify-content:space-between;margin-bottom:24px}.stat-item{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--text-main)}.heart-icon{color:#fb7185}.hint-box{background:#f8fafc;border-left:4px solid var(--primary);padding:12px 16px;border-radius:8px;display:flex;gap:10px;align-items:flex-start;margin-bottom:24px;font-size:14px;color:var(--text-main)}.input-group{display:flex;gap:10px;margin-bottom:32px}input[type=number]{flex:1;padding:14px;border:2px solid #e2e8f0;border-radius:12px;font-size:18px;outline:none;transition:border-color .2s}input[type=number]:focus{border-color:var(--primary)}.guess-btn{background:var(--text-main);color:#fff;border:none;padding:0 20px;border-radius:12px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:4px}.history-section{flex:1;display:flex;flex-direction:column}.section-title{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:12px;display:flex;align-items:center;gap:6px}.history-list{display:flex;flex-direction:column;gap:8px;max-height:180px;overflow-y:auto;padding-right:4px}.history-item{display:flex;justify-content:space-between;padding:10px 14px;background:#f1f5f9;border-radius:10px;font-size:14px}.history-item.too-high{border-right:4px solid var(--danger)}.history-item.too-low{border-right:4px solid var(--warning)}.history-item.correct{border-right:4px solid var(--success);background:#f0fdf4}.history-item .val{font-weight:700}.result-icon{margin-bottom:20px;padding:20px;border-radius:50%}.result-icon.win{color:var(--success);background:#f0fdf4}.result-icon.gameover{color:var(--danger);background:#fef2f2}.final-stats{margin-bottom:32px}.final-score{font-size:32px;font-weight:800;color:var(--primary);margin-bottom:8px}.game-footer-hint{text-align:center;font-size:12px;color:var(--text-muted)}input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}