/* ==================== CSS变量 ==================== */
:root {
  --primary-color: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  --secondary-color: #3b82f6;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  
  --bg-gradient-start: #1e3a8a;
  --bg-gradient-end: #7c3aed;
  
  --card-bg: rgba(255, 255, 255, 0.95);
  --card-shadow: rgba(0, 0, 0, 0.2);
  --card-shadow-hover: rgba(0, 0, 0, 0.3);
  
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-light: #6b7280;
  --text-white: #ffffff;
  
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;
  
  --transition: all 0.3s ease;
}

/* ==================== 全局样式 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ==================== 容器 ==================== */
.container {
  width: 100%;
  max-width: 900px;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  padding: 40px;
  animation: fadeIn 0.6s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== 头部 ==================== */
.game-header {
  text-align: center;
  margin-bottom: 30px;
}

/* Developer: SinceraXY from CUPB */


.mic-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  width: 140px;
  height: 140px;
}

.mic-icon svg {
  position: relative;
  z-index: 2;
  display: block;
  color: var(--primary-color);
  filter: drop-shadow(0 4px 8px rgba(16, 185, 129, 0.3));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.pulse-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  border: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: pulse 2s infinite;
  opacity: 0;
  z-index: 1;
}

@keyframes pulse {
  0% {
    transform: translate(-50%, -50%) scale(0.8);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.3);
    opacity: 0;
  }
}
/* Made with love by SinceraXY */

.game-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.game-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

/* 语言提示 */
.language-notice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border: 2px solid var(--warning-color);
  border-radius: var(--border-radius);
  padding: 12px 24px;
  margin-top: 15px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
  animation: gentle-pulse 2s infinite;
}

@keyframes gentle-pulse {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
  }
  50% {
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  }
}

.notice-icon {
  font-size: 1.5rem;
}

.notice-text {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 500;
}

.notice-text strong {
  color: var(--error-color);
  font-size: 1.2rem;
  font-weight: 700;
}

/* ==================== 统计信息 ==================== */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.stat-card {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border-radius: var(--border-radius);
  padding: 25px;
  text-align: center;
  box-shadow: 0 2px 10px var(--card-shadow);
  transition: var(--transition);
  border: 2px solid transparent;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px var(--card-shadow-hover);
  border-color: var(--primary-light);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

/* ==================== 游戏区域 ==================== */
.game-area {
  margin: 30px 0;
}

/* 语音状态 */
.voice-status {
  background: linear-gradient(135deg, #e0f2fe, #dbeafe);
  border-radius: var(--border-radius);
  padding: 20px;
  text-align: center;
  border: 3px solid var(--secondary-color);
  margin-bottom: 20px;
  transition: var(--transition);
}

/* 监听中状态 */
.voice-status-listening {
  animation: pulse-border 2s infinite;
}

/* 空闲状态 */
.voice-status-idle {
  background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
  border: 3px solid var(--text-light);
  animation: none;
}

.voice-status-idle .status-icon {
  animation: none;
}

@keyframes pulse-border {
  0%, 100% {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
  }
  50% {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0.1);
  }
}

.status-icon {
  font-size: 2rem;
  margin-right: 10px;
}

.voice-status-listening .status-icon {
  animation: mic-pulse 1.5s infinite;
}

@keyframes mic-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.status-text {
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* 消息区域 */
.message-area {
  min-height: 120px;
  padding: 20px;
  background: linear-gradient(135deg, #fff7ed, #fed7aa);
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-left: 4px solid var(--warning-color);
}

.message-area:empty {
  background: linear-gradient(135deg, #f9fafb, #f3f4f6);
  border-left: 4px solid var(--text-light);
}

.message-text {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.number-box {
  display: inline-block;
  padding: 15px 30px;
  background: var(--primary-color);
  color: white;
  border-radius: var(--border-radius-sm);
  font-size: 2.5rem;
  font-weight: 700;
  margin: 15px 0;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
  animation: appear 0.5s ease-out;
}

@keyframes appear {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.feedback-text {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 15px;
  padding: 12px 24px;
  border-radius: var(--border-radius-sm);
  animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feedback-higher {
  color: var(--error-color);
  background: rgba(239, 68, 68, 0.1);
}

.feedback-lower {
  color: var(--secondary-color);
  background: rgba(59, 130, 246, 0.1);
}

.feedback-invalid {
  color: var(--error-color);
  background: rgba(239, 68, 68, 0.1);
}

/* 提示区域 */
.hints-area {
  background: linear-gradient(135deg, #fff9db, #fff3bf);
  border-radius: var(--border-radius);
  padding: 15px 20px;
  border-left: 4px solid var(--warning-color);
}

.hint-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.hint-icon {
  font-size: 1.5rem;
}

/* ==================== 控制按钮 ==================== */
.controls {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin: 30px 0;
  flex-wrap: wrap;
}

.action-button,
.reset-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 15px 30px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--card-shadow);
  color: white;
  min-width: 180px;
}

.action-button {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.action-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.reset-button {
  background: linear-gradient(135deg, var(--secondary-color), #2563eb);
}

.reset-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.action-button:active,
.reset-button:active {
  transform: translateY(0);
}

.button-icon {
  font-size: 1.3rem;
}

/* ==================== 游戏说明 ==================== */
.instructions-container {
/* QQ: 2952671670 */
  margin: 30px 0;
}

.instructions-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 15px 25px;
  border: 2px solid var(--warning-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  background: linear-gradient(135deg, #fff9db, #fff3bf);
  color: var(--text-primary);
  box-shadow: 0 2px 10px var(--card-shadow);
}

.instructions-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--card-shadow-hover);
  border-color: #f59e0b;
}

.instructions-toggle:active {
  transform: translateY(0);
}

.toggle-icon {
  font-size: 1.3rem;
}

.instructions {
  background: linear-gradient(135deg, #fff9db, #fff3bf);
  border-radius: var(--border-radius);
  padding: 20px 25px;
  margin-top: 10px;
  border-left: 4px solid var(--warning-color);
  box-shadow: 0 2px 10px var(--card-shadow);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.instructions-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.instructions-list li {
  font-size: 1rem;
  color: var(--text-secondary);
  padding: 8px 0;
  padding-left: 25px;
  position: relative;
}

.instructions-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
  font-size: 1.2rem;
}

/* ==================== 浏览器警告 ==================== */
.browser-warning {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  border: 2px solid var(--error-color);
  border-radius: var(--border-radius);
  padding: 20px;
  margin: 20px 0;
  text-align: center;
  animation: shake 0.5s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.browser-warning p {
  color: var(--error-color);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0;
}

/* ==================== 页脚 ==================== */
.game-footer {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid #e9ecef;
  text-align: center;
}

.game-footer p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
  .container {
    padding: 30px 20px;
  }
  
  .game-title {
    font-size: 2rem;
  }
  
  .game-description {
    font-size: 1rem;
  }
  
  .language-notice {
    padding: 10px 16px;
    margin-top: 10px;
  }
  
  .notice-text {
    font-size: 1rem;
  }
  
  .notice-text strong {
    font-size: 1.1rem;
  }
  
  .mic-icon {
    width: 100px;
    height: 100px;
  }
  
  .mic-icon svg {
    width: 80px;
    height: 80px;
  }
  
  .pulse-ring {
    width: 100px;
    height: 100px;
  }
  
  .stats-container {
    grid-template-columns: 1fr;
  }
  
  .controls {
    flex-direction: column;
    align-items: center;
  }
  
  .action-button,
  .reset-button {
    width: 100%;
    max-width: 400px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 20px 15px;
  }
  
  .game-title {
    font-size: 1.6rem;
  }
  
  .number-box {
    font-size: 2rem;
    padding: 12px 24px;
  }
  
  .status-text {
    font-size: 1rem;
  }
}