/* ===== 基础样式重置 ===== */
:root {
    /* 主题色 - 元旦红金主题 */
    --primary-red: #d32f2f;
    --primary-red-light: #ff6659;
    --primary-red-dark: #9a0007;
    --gold: #ffb300;
    --gold-light: #ffe54c;
    --gold-dark: #c68400;
    
    /* 背景色 */
    --bg-light: #fff9f9;
    --bg-card: #ffffff;
    --bg-section: rgba(255, 255, 255, 0.92);
    
    /* 文字色 */
    --text-primary: #2c3e50;
    --text-secondary: #546e7a;
    --text-light: #90a4ae;
    
    /* 边框和阴影 */
    --border-color: rgba(211, 47, 47, 0.1);
    --shadow-sm: 0 2px 8px rgba(211, 47, 47, 0.08);
    --shadow-md: 0 4px 16px rgba(211, 47, 47, 0.12);
    --shadow-lg: 0 8px 32px rgba(211, 47, 47, 0.15);
    --shadow-xl: 0 16px 48px rgba(211, 47, 47, 0.2);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-round: 50%;
    
    /* 过渡 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
}

/* 暗色主题 */
[data-theme="dark"] {
    --primary-red: #ff6659;
    --primary-red-light: #ff9e91;
    --primary-red-dark: #c5342b;
    --gold: #ffca28;
    --gold-light: #ffdf5e;
    --gold-dark: #ffb300;
    
    --bg-light: #1a1a2e;
    --bg-card: #16213e;
    --bg-section: rgba(22, 33, 62, 0.92);
    
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-light: #8a8a8a;
    
    --border-color: rgba(255, 102, 89, 0.15);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 隐藏滚动条但保持功能 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-red);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-red-light);
}

/* ===== 预加载界面 ===== */
.welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        var(--primary-red-dark) 0%, 
        var(--primary-red) 50%, 
        var(--gold-dark) 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.welcome-screen.active {
    opacity: 1;
    visibility: visible;
}

.welcome-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.welcome-content {
    width: 100%;
    max-width: 500px;
    padding: var(--space-xl);
    text-align: center;
    position: relative;
    z-index: 10;
}

.welcome-logo {
    margin-bottom: var(--space-xxl);
}

.logo-text {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 4rem;
    color: white;
    display: block;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 1.2rem;
    color: var(--gold-light);
    margin-top: var(--space-xs);
    letter-spacing: 4px;
    font-weight: 300;
}

.welcome-center {
    margin: var(--space-xxl) 0;
}

.welcome-icon {
    font-size: 5rem;
    color: var(--gold-light);
    margin-bottom: var(--space-xl);
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.9; }
}

.welcome-title {
    font-size: 1.8rem;
    color: white;
    margin-bottom: var(--space-md);
    font-weight: 600;
    line-height: 1.4;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.welcome-desc {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    margin-bottom: var(--space-xl);
}

.music-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-sm) var(--space-md);
    border-radius: 50px;
    color: white;
    font-size: 0.9rem;
    margin-top: var(--space-lg);
}

.music-status i {
    color: var(--gold-light);
}

.welcome-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin: var(--space-xxl) 0;
}

.welcome-btn {
    padding: var(--space-lg) var(--space-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    min-width: 180px;
    backdrop-filter: blur(10px);
}

.btn-primary.welcome-btn {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--primary-red-dark);
    box-shadow: var(--shadow-lg);
}

.btn-primary.welcome-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
}

.btn-secondary.welcome-btn {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary.welcome-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.welcome-footer {
    margin-top: var(--space-xxl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.domain {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-xs) var(--space-md);
    border-radius: 50px;
}

.year-mark {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-light);
}

/* ===== 主页面 ===== */
.main-content {
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.main-content.active {
    opacity: 1;
}

/* 背景画布 */
.particles-canvas,
.snow-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* 头部 */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-section);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.site-logo {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 1.8rem;
    color: var(--primary-red);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-dot {
    color: var(--gold);
    font-size: 2rem;
}

.site-domain {
    font-size: 0.85rem;
    color: var(--text-light);
    background: var(--border-color);
    padding: 2px var(--space-sm);
    border-radius: 4px;
    display: inline-block;
}

.controls-section {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.control-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-round);
    border: none;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--primary-red);
}

.control-btn.small-btn {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
}

.music-control {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.volume-slider-container {
    width: 0;
    overflow: hidden;
    transition: width var(--transition-normal);
}

.music-control:hover .volume-slider-container {
    width: 80px;
}

.volume-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    background: linear-gradient(to right, var(--primary-red), var(--gold));
    border-radius: 2px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--primary-red);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

/* 主容器 */
.main-container {
    max-width: 1400px;
    margin: 80px auto 0;
    padding: var(--space-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    position: relative;
    z-index: 2;
}

@media (min-width: 992px) {
    .main-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

/* 左侧面板 */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* 倒计时区域 */
.countdown-section {
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.section-header i {
    color: var(--primary-red);
    font-size: 1.2rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.countdown-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-red);
    line-height: 1;
    min-width: 70px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-red), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(211, 47, 47, 0.2);
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-separator {
    font-size: 2rem;
    color: var(--gold);
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.countdown-progress {
    margin-top: var(--space-xl);
}

.progress-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-red), var(--gold));
    border-radius: 4px;
    width: 0%;
    transition: width 1s ease-out;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 卡片区域 */
.card-section {
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.card-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.card {
    width: 100%;
    height: 280px;
    perspective: 1000px;
    cursor: pointer;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform var(--transition-normal);
}

.card.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-md);
}

.card-front {
    background: linear-gradient(135deg, var(--bg-card), rgba(255, 179, 0, 0.05));
    border: 1px solid var(--border-color);
}

.card-back {
    background: linear-gradient(135deg, var(--primary-red), var(--gold));
    color: white;
    transform: rotateY(180deg);
}

.card-icon {
    font-size: 3rem;
    color: var(--gold);
    margin-bottom: var(--space-lg);
}

.card-content {
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-title {
    font-size: 1.5rem;
    color: var(--primary-red);
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.card-message {
    font-size: 1.2rem;
    line-height: 1.6;
    color: var(--text-primary);
    min-height: 60px;
}

.card-footer {
    width: 100%;
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.9rem;
}

.card-back-content {
    text-align: center;
}

.card-back-content i {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.card-back-content p {
    font-size: 1.1rem;
}

.card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-btn {
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: all var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-red-light), var(--primary-red));
}

.card-stats {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 统计区域 */
.stats-section {
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 右侧面板 */
.right-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* 留言区域 */
.message-section {
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.message-counter {
    margin-left: auto;
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: var(--border-color);
    padding: var(--space-xs) var(--space-md);
    border-radius: 50px;
}

.message-form {
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.message-input {
    width: 100%;
    padding: var(--space-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    resize: none;
    transition: all var(--transition-normal);
}

.message-input:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-md);
}

.char-counter {
    font-size: 0.9rem;
    color: var(--text-light);
}

.submit-btn {
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: all var(--transition-normal);
}

.message-rules {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--text-light);
    padding: var(--space-sm) var(--space-md);
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

.message-rules i {
    color: var(--primary-red);
}

.recent-messages {
    margin-top: var(--space-xl);
}

.recent-title {
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
    font-weight: 600;
}

.messages-list {
    max-height: 200px;
    overflow-y: auto;
}

.empty-messages {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-light);
}

.empty-messages i {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    color: var(--border-color);
}

/* 弹幕区域 */
.danmaku-section {
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    flex: 1;
}

.danmaku-controls {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.speed-control {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.speed-control input[type="range"] {
    width: 80px;
}

.danmaku-container {
    height: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    position: relative;
}

#danmakuCanvas {
    width: 100%;
    height: 100%;
}

/* 页脚 */
.main-footer {
    margin-top: var(--space-xl);
    padding: var(--space-xl) var(--space-lg);
    background: var(--bg-section);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-info {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.footer-logo {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 2rem;
    color: var(--primary-red);
}

.footer-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.current-time {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    transition: all var(--transition-normal);
}

.footer-btn:hover {
    background: var(--primary-red);
    color: white;
    border-color: var(--primary-red);
}

/* 提示消息 */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 400px;
}

.toast {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: slideInRight 0.3s ease-out;
    border-left: 4px solid var(--primary-red);
}

.toast.success {
    border-left-color: #4caf50;
}

.toast.error {
    border-left-color: #f44336;
}

.toast.warning {
    border-left-color: #ff9800;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .main-container {
        padding: var(--space-md);
        margin-top: 70px;
    }
    
    .welcome-content {
        padding: var(--space-lg);
    }
    
    .logo-text {
        font-size: 3rem;
    }
    
    .welcome-title {
        font-size: 1.5rem;
    }
    
    .welcome-actions {
        flex-direction: column;
    }
    
    .welcome-btn {
        min-width: 100%;
    }
    
    .header-container {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .controls-section {
        width: 100%;
        justify-content: center;
    }
    
    .countdown-display {
        gap: var(--space-sm);
    }
    
    .countdown-value {
        font-size: 2rem;
        min-width: 50px;
    }
    
    .countdown-separator {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .card {
        height: 240px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-header {
        flex-wrap: wrap;
    }
    
    .message-counter {
        margin-left: 0;
        margin-top: var(--space-sm);
    }
    
    .danmaku-controls {
        margin-left: 0;
        margin-top: var(--space-sm);
    }
}

/* 打印样式 */
@media print {
    .welcome-screen,
    .control-btn,
    .message-input,
    .submit-btn,
    .footer-btn {
        display: none !important;
    }
    
    .main-content {
        opacity: 1 !important;
        position: static !important;
    }
}

/* 新增样式 - 实时更新相关 */

/* 实时更新指示器 */
.realtime-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--success-color);
    border: 1px solid rgba(76, 175, 80, 0.2);
    transition: all var(--transition-normal);
}

.realtime-indicator.offline {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
    border-color: rgba(244, 67, 54, 0.2);
}

.realtime-indicator.syncing {
    background: rgba(255, 193, 7, 0.1);
    color: #ffc107;
    border-color: rgba(255, 193, 7, 0.2);
    animation: pulse 1.5s infinite;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4caf50;
    animation: blink 2s infinite;
}

.realtime-indicator.offline .indicator-dot {
    background: #f44336;
    animation: none;
}

.realtime-indicator.syncing .indicator-dot {
    background: #ffc107;
    animation: pulse 0.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

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

.message-count {
    background: var(--primary-red);
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    font-weight: bold;
}

/* 实时留言通知 */
.realtime-notification {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(3, 169, 244, 0.1));
    border: 1px solid rgba(33, 150, 243, 0.3);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin: 16px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideDown 0.3s ease-out;
    display: none;
}

.realtime-notification.show {
    display: flex;
}

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

.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.notification-content i {
    color: #2196f3;
    font-size: 1.2rem;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.notification-close:hover {
    color: var(--primary-red);
}

/* 最近留言头部 */
.recent-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.refresh-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.refresh-btn:hover {
    background: var(--primary-red);
    color: white;
    border-color: var(--primary-red);
    transform: rotate(90deg);
}

.refresh-btn.loading {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 弹幕统计 */
.danmaku-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 连接状态 */
.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

#connectionIcon {
    color: #4caf50;
}

.connection-status.offline #connectionIcon {
    color: #f44336;
}

/* 留言项动画 */
.message-item.new {
    animation: highlight 2s ease-out;
}

@keyframes highlight {
    0% {
        background: rgba(33, 150, 243, 0.2);
        transform: translateX(10px);
    }
    100% {
        background: transparent;
        transform: translateX(0);
    }
}

/* 实时更新计数器 */
#realtimeUpdate {
    position: relative;
}

#realtimeUpdate::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 8px;
    height: 8px;
    background: #ff5722;
    border-radius: 50%;
    animation: ping 1.5s infinite;
}

@keyframes ping {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}

/* 自动滚动开关 */
.auto-scroll {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auto-scroll input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* 烟花控制面板 */
.fireworks-panel {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    z-index: 100;
    display: none;
    flex-direction: column;
    gap: 12px;
    width: 200px;
}

.fireworks-panel.show {
    display: flex;
    animation: slideInUp 0.3s ease-out;
}

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

.fireworks-panel h3 {
    font-size: 1rem;
    margin: 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.fireworks-panel h3 i {
    color: var(--gold);
}

.firework-control {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.control-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.control-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .realtime-indicator .indicator-text {
        display: none;
    }
    
    .realtime-indicator {
        padding: 6px 8px;
    }
    
    .fireworks-panel {
        bottom: 80px;
        right: 10px;
        left: 10px;
        width: auto;
    }
    
    .danmaku-controls {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .auto-scroll {
        order: 3;
        width: 100%;
        justify-content: flex-end;
        margin-top: 8px;
    }
}