/**
 * 七队会议记录系统 - 白色框布局样式
 * 颜色方案：黑白灰 + 深蓝色(5, 77, 143)
 */

/* ========== CSS变量 ========== */
:root {
    /* 颜色 */
    --primary-color: rgb(5, 77, 143);
    --primary-hover: rgb(4, 61, 114);
    --danger-color: #e74c3c;
    --success-color: #27ae60;
    
    --text-primary: #333;
    --text-secondary: #999;
    --text-white: #fff;
    
    --bg-white: #fff;
    --bg-light: #f5f5f5;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 50px;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 20px rgba(5, 77, 143, 0.3);
    --shadow-xl: 0 10px 40px rgba(0, 0, 0, 0.15);
    
    /* 过渡 */
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 
                 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-image: url('../img/3.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
}

html {
    scroll-behavior: smooth;
}

/* ========== 页面容器 ========== */
.page-container {
    padding: 50px 0;
}

.section {
    padding: 30px 0;
}

/* ========== 白色框样式 ========== */
.white-box {
    background: var(--bg-white);
    width: 90%;
    max-width: 1400px;
    margin: 0 auto 50px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
}

/* ========== Section 1: 首屏展示区 ========== */
.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

/* 三栏通用样式 */
.hero-column {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* 左栏：Logo */
.hero-logo-column {
    flex: 0 0 350px;
}

.hero-logo {
    width: 350px;
    height: auto;
    display: block;
}

/* 中栏：标题和功能 */
.hero-middle-column {
    flex: 1;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 var(--spacing-md) 0;
}

.hero-features {
    display: inline-flex;
    flex-direction: row;
    gap: var(--spacing-lg);
    text-align: center;
}

.feature-item {
    color: #999;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    white-space: nowrap;
}

/* 右栏：按钮 */
.hero-action-column {
    flex: 0 0 auto;
}

/* ========== Section 2: 操作界面区 ========== */

/* 会议状态横幅 */
.meeting-status-banner {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.meeting-status-banner.success {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-left-color: var(--success-color);
}

.meeting-status-banner.hidden {
    display: none;
}

.meeting-status-banner .status-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.meeting-status-banner .status-text {
    flex: 1;
    color: var(--text-primary);
    line-height: 1.6;
}

.meeting-status-banner .status-text strong {
    color: var(--primary-color);
}

.meeting-status-banner.success .status-text strong {
    color: var(--success-color);
}

/* 顶部控制栏 */
.operation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--bg-light);
}

.meeting-info {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.info-value {
    font-weight: 600;
    color: var(--primary-color);
}

.control-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* 主内容区 */
.operation-content {
    display: flex;
    gap: var(--spacing-md);
    min-height: 500px;
}

/* 左侧：发言人面板 */
.speakers-panel {
    width: 40%;
    display: flex;
    flex-direction: column;
}

.panel-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
    flex: 1;
    margin-bottom: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.speaker-card {
    background: var(--bg-white);
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.speaker-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.speaker-card.active {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.speaker-card.recording {
    background: var(--success-color);
    color: var(--text-white);
    border-color: var(--success-color);
    animation: pulse-recording 2s infinite;
}

@keyframes pulse-recording {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(39, 174, 96, 0);
    }
}

.speaker-card.inactive {
    background: #d5d8dc;
    color: #7f8c8d;
    opacity: 0.7;
}

.speaker-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.speaker-position {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: var(--spacing-xs);
    font-style: italic;
}

.speaker-count {
    font-size: 0.85rem;
    opacity: 0.8;
}

.btn-add-speaker {
    width: 100%;
}

/* 右侧：转写面板 */
.transcript-panel {
    width: 60%;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.transcript-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.transcript-list {
    flex: 1;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    background: var(--bg-light);
    max-height: 400px;
    overflow-y: auto;
}

.transcript-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-xl);
    font-size: 1.1rem;
}

.transcript-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-left: 3px solid var(--primary-color);
    background: var(--bg-white);
    border-radius: var(--radius-sm);
}

.transcript-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
}

.transcript-speaker {
    font-weight: 600;
    color: var(--primary-color);
}

.transcript-time {
    color: var(--text-secondary);
}

.transcript-content {
    line-height: 1.6;
}

/* ========== Section 3: DeepSeek 会议总结 ========== */
.summary-container {
    margin-top: var(--spacing-lg);
}

.summary-content {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    min-height: 300px;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.summary-placeholder {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-xl);
}

.summary-loading {
    text-align: center;
    color: var(--primary-color);
    padding: var(--spacing-xl);
    font-size: 1.1rem;
}

.summary-result {
    white-space: pre-wrap;
    color: var(--text-primary);
}

.summary-result h3 {
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.summary-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ========== Section 4: 历史记录区 ========== */
.history-header {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.history-filters {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.search-input,
.date-filter {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}

.search-input:focus,
.date-filter:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(5, 77, 143, 0.1);
}

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

.history-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.history-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.history-card-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.history-card-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.history-card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ========== 侧边导航点 ========== */
.scroll-nav {
    position: fixed;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav-dot {
    display: block;
    text-decoration: none;
    position: relative;
}

.dot {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    transition: var(--transition);
}

.nav-dot:hover .dot {
    background: var(--primary-color);
    transform: scale(1.2);
}

.nav-dot.active .dot {
    background: var(--primary-color);
    width: 16px;
    height: 16px;
}

/* ========== 按钮样式 ========== */
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-record {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background: var(--primary-hover);
    filter: brightness(1.1);
}

/* 开始会议按钮 - 大号醒目样式 */
.btn-start-meeting {
    padding: 18px 50px;
    border: none;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: var(--text-white);
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-start-meeting:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(5, 77, 143, 0.4);
}

.btn-start-meeting:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: #ecf0f1;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #d5d8dc;
}

.btn-danger {
    background: var(--danger-color);
    color: var(--text-white);
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-record {
    background: var(--success-color);
    color: var(--text-white);
}

.btn-record:hover {
    background: #229954;
}

.btn-record.paused {
    background: #f39c12;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* ========== 弹窗样式 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalFadeIn 0.3s ease;
}

.modal-large {
    max-width: 900px;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid #e0e0e0;
}

.modal-header h3 {
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid #e0e0e0;
}

/* 表单样式 */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid #ddd;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(5, 77, 143, 0.1);
}

.speakers-input {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.speaker-row {
    display: flex;
    gap: var(--spacing-sm);
}

.speaker-name,
.speaker-position {
    flex: 1;
    margin-bottom: 0;
}

.speaker-library-hint {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.speaker-library-list {
    max-height: 400px;
    overflow-y: auto;
}

.speaker-library-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
}

.speaker-library-item:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

.speaker-library-item.selected {
    background: rgba(5, 77, 143, 0.1);
    border-color: var(--primary-color);
}

.speaker-library-item input[type="checkbox"] {
    margin-right: var(--spacing-sm);
}

.speaker-library-info {
    flex: 1;
}

.speaker-library-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.speaker-library-position {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.manage-speaker-list {
    max-height: 300px;
    overflow-y: auto;
}

.manage-speaker-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-white);
}

.manage-speaker-info {
    flex: 1;
}

.manage-speaker-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.manage-speaker-position {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.manage-speaker-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* ========== 响应式设计 ========== */

/* 平板端 (414px - 1024px) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-right-section {
        gap: 35px;
    }
    
    .operation-content {
        gap: var(--spacing-sm);
    }
    
    .speakers-panel {
        width: 50%;
    }
    
    .transcript-panel {
        width: 50%;
    }
    
    .history-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 移动端 (< 414px) */
@media (max-width: 414px) {
    body {
        background-attachment: scroll;
    }
    
    .page-container {
        padding: 20px 0;
    }
    
    .white-box {
        width: 95%;
        padding: var(--spacing-md);
        margin-bottom: 30px;
        border-radius: var(--radius-md);
    }
    
    /* 首屏垂直堆叠 */
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero-column {
        flex: none !important;
        width: 100%;
    }
    
    .hero-logo-column {
        flex: none;
    }
    
    .hero-logo {
        width: 120px;
    }
    
    .hero-middle-column {
        flex: none;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 12px;
    }
    
    /* 操作界面 */
    .operation-header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .meeting-info {
        flex-direction: column;
        gap: var(--spacing-xs);
        width: 100%;
    }
    
    .control-buttons {
        width: 100%;
    }
    
    .control-buttons button {
        flex: 1;
        min-width: calc(50% - 6px);
        font-size: 0.85rem;
        padding: 8px 12px;
    }
    
    .operation-content {
        flex-direction: column;
    }
    
    .speakers-panel,
    .transcript-panel {
        width: 100%;
    }
    
    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
        max-height: 300px;
    }
    
    .transcript-list {
        max-height: 300px;
    }
    
    /* 历史记录 */
    .history-grid {
        grid-template-columns: 1fr;
    }
    
    .scroll-nav {
        right: var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

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

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