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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #ff6b35;
    --bg-dark: #0a0e1a;
    --bg-secondary: #1a1f35;
    --bg-card: #252b45;
    --text-primary: #ffffff;
    --text-secondary: #b0c4de;
    --text-muted: #6b7280;
    --border-color: #374151;
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), #ff8c42);
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 153, 204, 0.05) 0%, transparent 50%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 顶部导航 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.logo i {
    margin-right: 15px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.nav-buttons {
    display: flex;
    gap: 15px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.nav-btn:hover {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

/* 设置面板 */
.settings-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.settings-panel.active {
    right: 0;
}

.settings-content {
    padding: 30px;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.settings-header h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--accent-color);
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input[type="range"] {
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.form-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

/* 按钮样式 */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

.btn:hover:before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.btn-success {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* 主内容区域 */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 新闻卡片 */
.news-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.news-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.news-meta {
    color: var(--text-muted);
    font-size: 14px;
    text-align: right;
}

.card-content {
    margin-bottom: 30px;
}

.news-content {
    min-height: 200px;
    line-height: 1.8;
    font-size: 16px;
    color: var(--text-secondary);
}

.news-text {
    white-space: pre-line;
    font-family: 'Segoe UI', 'Microsoft YaHei', monospace;
}

.news-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
    padding: 15px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 153, 204, 0.1));
    border-radius: 8px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.news-items {
    margin-top: 20px;
}

.news-item {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.news-item:last-child {
    border-bottom: none;
}

.news-item:hover {
    background: rgba(0, 212, 255, 0.05);
    padding-left: 10px;
    border-radius: 4px;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--primary-color);
    font-size: 16px;
    padding: 50px 0;
}

.loading i {
    font-size: 20px;
}

.card-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 音频播放器 */
/* 音频生成进度 */
.audio-generation {
    margin-top: 30px;
    background: var(--bg-card);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    animation: slideInUp 0.5s ease;
}

.generation-header {
    margin-bottom: 20px;
}

.generation-header h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.generation-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.generation-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: var(--text-primary);
}

.generation-status i {
    color: var(--primary-color);
    font-size: 18px;
}

.progress-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--text-secondary);
}

#progressPercent {
    font-weight: 600;
    color: var(--primary-color);
}

.generation-tips {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid var(--primary-color);
}

.generation-tips p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.generation-tips i {
    color: var(--primary-color);
}

.audio-player {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    animation: slideInUp 0.5s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.player-header {
    margin-bottom: 20px;
}

.player-header h3 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
}

.player-content audio {
    border-radius: 8px;
    background: var(--bg-secondary);
}

/* 状态消息 */
.status-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: var(--shadow-card);
    z-index: 1001;
    animation: slideInRight 0.3s ease;
}

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

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

/* 底部 */
.footer {
    margin-top: 50px;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    color: var(--text-muted);
}

.footer-content p {
    margin: 5px 0;
}

.footer-content i {
    color: var(--primary-color);
    margin-right: 8px;
}

/* 历史记录面板 */
.history-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
}

.history-panel.active {
    right: 0;
}

.history-content {
    padding: 30px;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.history-header h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.history-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.history-date-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.history-date-item {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.history-date-item:hover {
    background: var(--bg-dark);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
    transform: translateX(-5px);
}

.history-date-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.history-date-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

.history-date-time {
    font-size: 12px;
    color: var(--text-muted);
}

.history-date-preview {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-bottom: 12px;
}

.history-date-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.history-date-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.history-date-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.history-date-btn.primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1002;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 15px;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-primary);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 18px;
}

.modal-header i {
    margin-right: 8px;
    color: var(--primary-color);
}

.modal-body {
    padding: 25px;
    max-height: 65vh;
    overflow-y: auto;
}

.history-detail-content {
    margin-bottom: 20px;
}

.history-detail-content .news-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
    padding: 16px;
    background: var(--bg-card);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.history-detail-content .news-item {
    background: var(--bg-card);
    padding: 16px;
    margin-bottom: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    line-height: 1.6;
    transition: all 0.3s ease;
}

.history-detail-content .news-item:hover {
    background: var(--bg-dark);
    border-color: var(--primary-color);
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.no-history {
    text-align: center;
    color: var(--text-muted);
    padding: 50px 20px;
}

.no-history i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--border-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .settings-panel {
        width: 100%;
        right: -100%;
    }
    
    .history-panel {
        width: 100%;
        right: -100%;
    }
    
    .news-card {
        padding: 20px;
    }
    
    .card-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
    }

    .history-content {
        padding: 20px;
        max-height: 90vh;
    }
    
    .history-item {
        padding: 15px;
    }
    
    .history-item-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .history-actions {
        justify-content: center;
    }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

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