/* ===================================
   Energy Wave - 苹果毛玻璃风格
   简约、优雅、大气
   =================================== */

/* 导入苹果风格字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS 变量 - 苹果配色 */
:root {
    /* 主色调 */
    --primary-blue: #007AFF;
    --primary-green: #34C759;
    --primary-red: #FF3B30;
    --primary-orange: #FF9500;
    --primary-purple: #AF52DE;
    
    /* 背景色 */
    --bg-primary: #F5F5F7;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E5E5E7;
    
    /* 文字色 */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #B0B0B5;
    
    /* 毛玻璃效果 */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(0, 0, 0, 0.04);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    
    /* 字体 */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

body {
    font-family: var(--font-main);
    background: linear-gradient(135deg, #E3F2FD 0%, #F3E5F5 100%);
    color: var(--text-primary);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   主容器
   =================================== */

.app-container {
    width: 95%;
    max-width: 1200px;
    height: 95vh;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ===================================
   顶部状态栏
   =================================== */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.app-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.app-subtitle {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 12px 20px;
    background: rgba(0, 122, 255, 0.08);
    border-radius: var(--radius-md);
    min-width: 100px;
}

.stat-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-blue);
    font-variant-numeric: tabular-nums;
}

.icon-button {
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.icon-button:hover {
    background: rgba(0, 0, 0, 0.08);
    transform: scale(1.05);
}

.icon-button:active {
    transform: scale(0.95);
}

.icon-button.muted {
    color: var(--text-tertiary);
}

/* ===================================
   游戏主区域
   =================================== */

.game-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.canvas-wrapper {
    flex: 1;
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

#waveCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* 零线 */
.zero-line {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, 
        transparent 0%, 
        var(--text-tertiary) 10%, 
        var(--text-tertiary) 90%, 
        transparent 100%);
    transform: translateY(-1px);
    pointer-events: none;
}

.zero-label {
    position: absolute;
    right: 24px;
    top: -20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 4px 12px;
    border-radius: 6px;
}

/* 倍率显示 */
.multiplier-display {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.multiplier-number {
    font-size: 72px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: -2px;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.multiplier-number.positive {
    color: var(--primary-green);
}

.multiplier-number.negative {
    color: var(--primary-red);
}

.multiplier-indicator {
    margin-top: 8px;
}

.indicator-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 状态徽章 */
.status-badge {
    position: absolute;
    top: 24px;
    left: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.status-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ===================================
   控制面板
   =================================== */

.control-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    gap: 24px;
}

.round-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.info-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

/* 收集按钮 */
.collect-button {
    flex: 1;
    max-width: 400px;
    height: 56px;
    border: none;
    background: var(--primary-blue);
    color: white;
    font-size: 17px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

.collect-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

.collect-button:active:not(:disabled) {
    transform: translateY(0);
}

.collect-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

.collect-button.ready {
    animation: buttonGlow 2s ease-in-out infinite;
}

@keyframes buttonGlow {
    0%, 100% { box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3); }
    50% { box-shadow: 0 4px 24px rgba(0, 122, 255, 0.6); }
}

.streak-info {
    min-width: 80px;
}

.streak-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 20px;
    background: rgba(52, 199, 89, 0.12);
    border-radius: var(--radius-md);
}

.streak-label {
    font-size: 11px;
    font-weight: 500;
    color: var(--primary-green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.streak-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-green);
    font-variant-numeric: tabular-nums;
}

/* ===================================
   结果弹窗
   =================================== */

.result-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.result-modal.show {
    opacity: 1;
    pointer-events: all;
}

.result-modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-backdrop {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 400px;
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.result-modal.show .modal-content {
    transform: scale(1);
}

.result-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.result-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.result-message {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.result-score {
    font-size: 36px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    padding: 16px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: var(--radius-md);
}

.result-score.positive {
    color: var(--primary-green);
}

.result-score.negative {
    color: var(--primary-red);
}

/* ===================================
   成就提示
   =================================== */

.achievement-toast {
    position: fixed;
    top: 80px;
    right: -400px;
    width: 320px;
    padding: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: right 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 999;
}

.achievement-toast.show {
    right: 24px;
}

.achievement-icon {
    font-size: 40px;
}

.achievement-content {
    flex: 1;
}

.achievement-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.achievement-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===================================
   响应式设计
   =================================== */

@media (max-width: 768px) {
    .app-container {
        width: 100%;
        height: 100vh;
        gap: 12px;
    }

    .header {
        flex-direction: column;
        gap: 16px;
        padding: 16px 20px;
    }

    .header-left {
        width: 100%;
        align-items: center;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }

    .multiplier-number {
        font-size: 52px;
    }

    .control-panel {
        flex-direction: column;
        padding: 20px;
        gap: 16px;
    }

    .round-info {
        width: 100%;
        justify-content: space-around;
    }

    .collect-button {
        max-width: 100%;
        width: 100%;
    }

    .achievement-toast {
        width: calc(100% - 32px);
        right: -100%;
    }

    .achievement-toast.show {
        right: 16px;
    }
}

/* ===================================
   动画效果
   =================================== */

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

.shake {
    animation: shake 0.4s ease;
}

@keyframes scoreUpdate {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1); }
}

.score-update {
    animation: scoreUpdate 0.3s ease;
}