/**
 * AI × 研发效能报告 - 响应式与全局控制
 * 基于 qingshuang-research-style v1.2.0
 */

/* ==================== 全局控制按钮 ==================== */
.global-controls {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.global-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--color-bg-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--color-text-secondary);
    position: relative;
}

.global-btn:hover {
    background: var(--color-success);
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(26, 127, 55, 0.25);
}

.global-btn svg {
    width: 18px;
    height: 18px;
}

.global-btn.active {
    background: var(--color-success);
    color: #fff;
}

/* ==================== 全屏模式 ==================== */
body.fullscreen-mode .hero,
body.fullscreen-mode .footer {
    display: none;
}

body.fullscreen-mode .container {
    max-width: 100%;
    padding: var(--spacing-md);
}

body.fullscreen-mode .tab-nav {
    max-width: 100%;
    margin: 0 0 var(--spacing-md) 0;
    top: 0;
    border-radius: 0;
}

/* ==================== 移动端预览模式 ==================== */
body.mobile-preview-mode {
    background: #1a1a1a !important;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 40px 20px;
}

body.mobile-preview-mode .hero,
body.mobile-preview-mode .footer,
body.mobile-preview-mode .tab-nav,
body.mobile-preview-mode .global-controls {
    display: none !important;
}

body.mobile-preview-mode .container {
    width: 375px !important;
    max-width: 375px !important;
    min-height: calc(100vh - 80px);
    background: var(--color-bg) !important;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    padding: var(--spacing-md) !important;
    overflow-y: auto;
    position: relative;
}

body.mobile-preview-mode .container::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #d0d0d0;
    border-radius: 2px;
}

/* 移动端预览的退出按钮 */
body.mobile-preview-mode::after {
    content: '按 ESC 退出预览';
    position: fixed;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.7);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    z-index: 9999;
}

/* ==================== 响应式：大屏幕优化 ==================== */
@media (min-width: 1200px) {
    .container {
        max-width: 1100px;
        padding: var(--spacing-lg) 16px 80px;
    }
    
    .tab-nav {
        max-width: calc(1100px - 32px);
    }
    
    .core-insight {
        max-width: calc(1100px - 32px);
    }
    
    .stats-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .maturity-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==================== 响应式：平板设备 ==================== */
@media (max-width: 1100px) {
    .container {
        max-width: 100%;
        padding: var(--spacing-md) 0;
    }
    
    .tab-nav {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
    
    .core-insight {
        max-width: 100%;
        padding: 0;
    }
    
    .hero {
        padding: 36px 0 32px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .tab-nav {
        margin: 0 var(--spacing-sm) var(--spacing-md);
        max-width: calc(100% - 16px);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .two-col {
        grid-template-columns: 1fr;
    }
    
    .company-grid {
        grid-template-columns: 1fr;
    }
    
    section:not(.core-findings) .laws-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== 响应式：手机设备 ==================== */
@media (max-width: 768px) {
    :root {
        --heading-1: 24px;
        --heading-2: 16px;
        --heading-3: 14px;
        --heading-4: 13px;
        --body-text: 13px;
        --body-small: 12px;
        --caption: 11px;
    }
    
    body {
        font-size: var(--body-text);
    }
    
    .hero {
        padding: 28px 0 24px;
    }
    
    .hero-title {
        font-size: 22px;
        line-height: 1.35;
    }
    
    .hero-subtitle {
        font-size: var(--body-small);
    }
    
    .container {
        padding: var(--spacing-sm) 0 70px;
    }
    
    .section {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .section-header {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .tab-nav {
        padding: 4px;
        gap: 2px;
        top: 8px;
        border-radius: var(--radius-md);
    }
    
    .tab-btn {
        padding: 8px 10px;
        font-size: 12px;
    }
    
    .tab-btn-num {
        width: 20px;
        height: 20px;
        font-size: 10px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: 14px;
    }
    
    .stat-value {
        font-size: 20px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    /* 移动端Tooltip调整 */
    .stat-tooltip {
        width: 220px;
        padding: 10px 12px;
        font-size: 11px;
    }
    
    .maturity-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .maturity-card {
        padding: var(--spacing-md);
    }
    
    .maturity-level {
        width: 40px;
        height: 40px;
        font-size: var(--heading-3);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .step-card {
        padding: var(--spacing-md);
    }
    
    .ranking-card {
        padding: 12px 14px;
    }
    
    .ranking-position {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .chart-container {
        padding: var(--spacing-md);
    }
    
    /* 表格横向滚动 */
    .table-wrap {
        margin: 0 calc(-1 * var(--spacing-md));
        padding: 0 var(--spacing-md);
    }
    
    table {
        min-width: 600px;
        font-size: var(--caption);
    }
    
    th, td {
        padding: 10px 12px;
    }
    
    .col-box {
        padding: var(--spacing-md);
    }
    
    .quote {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .insight-box {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .global-controls {
        bottom: 16px;
        right: 16px;
        gap: 10px;
    }
    
    .global-btn {
        width: 44px;
        height: 44px;
    }
    
    .global-btn svg {
        width: 18px;
        height: 18px;
    }
}

/* ==================== 响应式：小屏手机 ==================== */
@media (max-width: 480px) {
    :root {
        --heading-1: 22px;
        --heading-2: 15px;
        --heading-3: 13px;
        --heading-4: 12px;
        --body-text: 13px;
        --body-small: 12px;
        --caption: 11px;
    }
    
    .hero {
        padding: 24px 0 20px;
    }
    
    .hero-badge {
        font-size: 10px;
        padding: 3px 10px;
    }
    
    .hero-title {
        font-size: 20px;
    }
    
    .hero-subtitle {
        font-size: 12px;
    }
    
    .section {
        border-radius: var(--radius-md);
    }
    
    .section-number {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .section-title {
        font-size: var(--heading-2);
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .stat-card {
        padding: 12px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    .tab-nav {
        margin: 0 4px var(--spacing-sm);
        padding: 3px;
    }
    
    .tab-btn {
        padding: 6px 8px;
        font-size: 11px;
    }
    
    .tab-btn-num {
        width: 18px;
        height: 18px;
        font-size: 9px;
    }
    
    .ranking-card {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .ranking-badge {
        width: 100%;
        text-align: center;
        margin-top: var(--spacing-xs);
    }
    
    .global-controls {
        bottom: 12px;
        right: 12px;
        gap: 8px;
    }
    
    .global-btn {
        width: 40px;
        height: 40px;
    }
    
    .global-btn svg {
        width: 16px;
        height: 16px;
    }
}

/* ==================== 打印样式 ==================== */
@media print {
    body {
        background: #fff;
        color: #000;
    }
    
    .hero {
        background: #f5f5f5;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    
    .tab-nav,
    .global-controls {
        display: none !important;
    }
    
    .tab-panel {
        display: block !important;
        page-break-inside: avoid;
    }
    
    .section {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
    
    .stat-tooltip,
    .ranking-card::after,
    .maturity-card::after {
        display: none !important;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 10px;
        color: #666;
    }
}

/* ==================== 深色模式支持（可选） ==================== */
@media (prefers-color-scheme: dark) {
    /* 默认不启用深色模式，保留为未来扩展 */
}

/* ==================== 高对比度模式 ==================== */
@media (prefers-contrast: high) {
    :root {
        --color-text-secondary: #444;
        --color-text-muted: #555;
        --color-border: #999;
    }
    
    .stat-card,
    .maturity-card,
    .ranking-card,
    .section {
        border-width: 2px;
    }
}

/* ==================== 减少动画模式 ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}