/* 基础样式重置 (限定在 #tool 作用域，避免污染 v2 yst-shell) */
#tool * { box-sizing: border-box;
} /* 根变量定义 */
:root { --bg-primary: #ffffff; --bg-secondary: #f8f9fa; --bg-tertiary: #e9ecef; --text-primary: #212529; --text-secondary: #6c757d; --accent-primary: #007bff; --accent-secondary: #6c757d; --accent-success: #28a745; --accent-danger: #dc3545; --border-color: #dee2e6; --shadow: 0 2px 10px rgba(0, 0, 0, 0.1); --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15); --transition: all 0.3s ease;
} /* 暗色主题 */
[data-theme="dark"] { --bg-primary: #1a1a1a; --bg-secondary: #2d2d2d; --bg-tertiary: #404040; --text-primary: #ffffff; --text-secondary: #b0b0b0; --accent-primary: #4dabf7; --accent-secondary: #868e96; --accent-success: #51cf66; --accent-danger: #ff6b6b; --border-color: #495057; --shadow: 0 2px 10px rgba(0, 0, 0, 0.3); --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.4);
} /* 基础样式 (#tool 作用域) */
#tool { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; transition: var(--transition);
} #tool .container { max-width: 1200px; margin: 0 auto; padding: 24px; display: flex; flex-direction: column;
} /* 头部样式 */
.header { text-align: center; margin-bottom: 30px;
} .title { font-size: 2.5rem; font-weight: 700; color: var(--accent-primary); margin-bottom: 5px; background: linear-gradient(135deg, var(--accent-primary), var(--accent-success)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
} .subtitle { font-size: 1.1rem; color: var(--text-secondary); font-weight: 400;
} /* 游戏控制区域 */
.game-controls { display: flex; justify-content: space-between; align-items: center; background: var(--bg-secondary); padding: 20px; border-radius: 12px; margin-bottom: 30px; box-shadow: var(--shadow); flex-wrap: wrap; gap: 15px;
} .difficulty-selector { display: flex; align-items: center; gap: 10px;
} .difficulty-selector label { font-weight: 500; color: var(--text-primary);
} .difficulty-selector select { padding: 8px 12px; border: 2px solid var(--border-color); border-radius: 6px; background: var(--bg-primary); color: var(--text-primary); font-size: 14px; cursor: pointer; transition: var(--transition);
} .difficulty-selector select:focus { outline: none; border-color: var(--accent-primary);
} .timer-display { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: 600;
} .timer-label { color: var(--text-secondary);
} .timer { color: var(--accent-primary); font-family: 'Courier New', monospace; background: var(--bg-tertiary); padding: 8px 12px; border-radius: 6px; min-width: 120px; text-align: center;
} .control-buttons { display: flex; gap: 10px; flex-wrap: wrap;
} /* 按钮样式 */
.btn { padding: 10px 20px; border: none; border-radius: 8px; font-size: 14px; font-weight: 500; cursor: pointer; transition: var(--transition); text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
} .btn:disabled { opacity: 0.5; cursor: not-allowed;
} .btn-primary { background: var(--accent-primary); color: white;
} .btn-primary:hover:not(:disabled) { background: #0056b3; transform: translateY(-2px); box-shadow: var(--shadow-hover);
} .btn-secondary { background: var(--accent-secondary); color: white;
} .btn-secondary:hover:not(:disabled) { background: #5a6268; transform: translateY(-2px); box-shadow: var(--shadow-hover);
} .btn-small { padding: 6px 12px; font-size: 12px;
} /* 游戏区域 */
.game-area { position: relative; display: flex; justify-content: center; align-items: center; min-height: 400px; margin-bottom: 30px;
} .game-grid { display: grid; gap: 8px; padding: 20px; background: var(--bg-secondary); border-radius: 12px; box-shadow: var(--shadow); transition: var(--transition);
} .game-grid[data-size="3"] { grid-template-columns: repeat(3, 1fr);
} .game-grid[data-size="4"] { grid-template-columns: repeat(4, 1fr);
} .game-grid[data-size="5"] { grid-template-columns: repeat(5, 1fr);
} .game-grid[data-size="6"] { grid-template-columns: repeat(6, 1fr);
} .grid-cell { width: 80px; height: 80px; background: var(--bg-primary); border: 2px solid var(--border-color); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 600; color: var(--text-primary); cursor: pointer; transition: var(--transition); user-select: none;
} .grid-cell:hover { background: var(--bg-tertiary); transform: scale(1.05); box-shadow: var(--shadow);
} .grid-cell.correct { background: var(--accent-success); color: white; border-color: var(--accent-success); animation: correctPulse 0.3s ease;
} .grid-cell.wrong { background: var(--accent-danger); color: white; border-color: var(--accent-danger); animation: wrongShake 0.3s ease;
} .grid-cell.completed { background: var(--accent-primary); color: white; border-color: var(--accent-primary); opacity: 0.8;
} /* 动画效果 */
@keyframes correctPulse { 0% { transform: scale(1); } 50% { transform: scale(1.1); } 100% { transform: scale(1); }
} @keyframes wrongShake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); }
} /* 开始界面 */
.start-screen { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.8); display: flex; align-items: center; justify-content: center; border-radius: 12px; backdrop-filter: blur(5px);
} .start-content { text-align: center; color: white; padding: 40px; background: var(--bg-secondary); border-radius: 12px; box-shadow: var(--shadow);
} .start-content h2 { font-size: 2rem; margin-bottom: 15px; color: var(--accent-primary);
} .start-content p { font-size: 1.1rem; margin-bottom: 30px; color: var(--text-secondary);
} .stats-preview { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px;
} .stat-item { text-align: center;
} .stat-label { display: block; font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 5px;
} .stat-value { display: block; font-size: 1.2rem; font-weight: 600; color: var(--accent-primary);
} /* 完成界面 */
.complete-screen { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.8); display: flex; align-items: center; justify-content: center; border-radius: 12px; backdrop-filter: blur(5px);
} .complete-content { text-align: center; color: white; padding: 40px; background: var(--bg-secondary); border-radius: 12px; box-shadow: var(--shadow); animation: slideIn 0.5s ease;
} @keyframes slideIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); }
} .complete-content h2 { font-size: 2rem; margin-bottom: 20px; color: var(--accent-success);
} .result-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 30px 0;
} .result-item { text-align: center;
} .result-label { display: block; font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 5px;
} .result-value { display: block; font-size: 1.3rem; font-weight: 600; color: var(--accent-primary);
} .result-actions { display: flex; gap: 15px; justify-content: center; margin-top: 30px;
} /* 统计面板 */
.stats-panel { background: var(--bg-secondary); border-radius: 12px; padding: 20px; box-shadow: var(--shadow);
} .stats-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;
} .stats-header h3 { color: var(--text-primary); font-size: 1.2rem;
} .stats-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px;
} .stat-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border-color);
} .stat-row:last-child { border-bottom: none;
} .stat-name { color: var(--text-secondary); font-weight: 500;
} /* 模态框 */
.modal { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, 0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; backdrop-filter: blur(5px);
} .modal-content { background: var(--bg-primary); border-radius: 12px; box-shadow: var(--shadow-hover); max-width: 600px; width: 90%; max-height: 80vh; overflow: hidden;
} .modal-header { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid var(--border-color);
} .modal-header h3 { color: var(--text-primary); font-size: 1.3rem;
} .close-btn { background: none; border: none; font-size: 1.5rem; color: var(--text-secondary); cursor: pointer; padding: 5px; border-radius: 50%; transition: var(--transition);
} .close-btn:hover { background: var(--bg-tertiary); color: var(--text-primary);
} .modal-body { padding: 20px; max-height: 400px; overflow-y: auto;
} .history-list { display: flex; flex-direction: column; gap: 10px;
} .history-item { display: flex; justify-content: space-between; align-items: center; padding: 15px; background: var(--bg-secondary); border-radius: 8px; border-left: 4px solid var(--accent-primary);
} .history-info { display: flex; flex-direction: column; gap: 5px;
} .history-time { font-weight: 600; color: var(--text-primary);
} .history-date { font-size: 0.9rem; color: var(--text-secondary);
} .history-difficulty { background: var(--accent-primary); color: white; padding: 4px 8px; border-radius: 4px; font-size: 0.8rem; font-weight: 500;
} /* 主题切换按钮 */
.theme-toggle { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; border-radius: 50%; background: var(--accent-primary); color: white; border: none; cursor: pointer; box-shadow: var(--shadow); transition: var(--transition); display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
} .theme-toggle:hover { transform: scale(1.1); box-shadow: var(--shadow-hover);
} /* 工具类 */
.hidden { display: none !important;
} /* 响应式设计 */
@media (max-width: 768px) { .container { padding: 15px; } .title { font-size: 2rem; } .game-controls { flex-direction: column; align-items: stretch; gap: 15px; } .control-buttons { justify-content: center; } .grid-cell { width: 60px; height: 60px; font-size: 1.2rem; } .stats-preview, .result-stats { grid-template-columns: 1fr; gap: 15px; } .stats-content { grid-template-columns: 1fr; } .result-actions { flex-direction: column; } .theme-toggle { bottom: 20px; right: 20px; width: 45px; height: 45px; }
} @media (max-width: 480px) { .grid-cell { width: 50px; height: 50px; font-size: 1rem; } .game-grid { gap: 5px; padding: 15px; } .start-content, .complete-content { padding: 20px; }
}