/* InfiniDepth Project Page Styles */

* {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Jost', 'Lato', sans-serif;
    background: #fafafa;
    color: #333;
    margin: 0;
    padding: 0;
}

strong { font-weight: 600; }
b { font-weight: 700; }

/* Jumbotron - 标题区域 */
.jumbotron {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #f8f9fa 100%);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    padding: 3rem 1rem;
    margin-bottom: 0;
    margin-top: 0 !important;
    border-radius: 0;
    position: relative;
    overflow: hidden;
}

/* 添加装饰性渐变背景 */
.jumbotron::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(107,154,196,0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.jumbotron::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(123,165,145,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.jumbotron h1 {
    font-weight: 700;
    font-size: 2.8rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

.jumbotron h4 {
    color: #5a6268;
    font-weight: 400;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.jumbotron hr {
    border-top: 2px solid rgba(0,0,0,0.1);
    margin: 1.5rem auto;
    width: 100%;
    max-width: 1000px;
    position: relative;
    z-index: 1;
    background: linear-gradient(90deg, transparent 0%, rgba(107,154,196,0.3) 50%, transparent 100%);
    height: 2px;
    border: none;
}

.jumbotron a {
    color: #495057;
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 0 8px;
    display: inline-block;
    position: relative;
    z-index: 1;
}

.jumbotron a:hover {
    color: #6b9ac4;
    text-decoration: none;
    transform: translateY(-1px);
}

.jumbotron a:active {
    transform: scale(0.95);
    color: #5a8ab8;
}

.jumbotron sup { font-size: 0.7em; }

.jumbotron p {
    color: #6c757d;
    font-size: 1.2rem;
    margin-top: 1rem;
    position: relative;
    z-index: 1;
}

/* Author names - 作者名称更大 */
.author-list {
    font-size: 1.4rem;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

/* Author rows */
.author-row {
    display: block;
    margin-bottom: 0.3rem;
}

/* Buttons */
.btn-large {
    padding: 13px 36px;
    font-size: 1.02rem;
    font-weight: 500;
    border-radius: 32px;
    border: 2px solid rgba(52, 85, 120, 0.12);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: #495057 !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 2px 8px rgba(52, 85, 120, 0.08),
        0 4px 16px rgba(52, 85, 120, 0.04);
    margin: 0 10px;
    text-decoration: none !important;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #5a8ab8 0%, #345 100%);
    transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.btn-large:hover {
    color: white !important;
    border-color: #5a8ab8;
    transform: translateY(-2px);
    box-shadow:
        0 4px 12px rgba(90, 138, 184, 0.25),
        0 8px 24px rgba(90, 138, 184, 0.15);
}

.btn-large:hover::before {
    left: 0;
}

.btn-large:active {
    transform: translateY(0) scale(0.98);
    box-shadow:
        0 2px 8px rgba(90, 138, 184, 0.2),
        0 4px 16px rgba(90, 138, 184, 0.1);
}

.btn-large i { margin-right: 8px; }

/* Sections */
section {
    padding: 3rem 0;
    border-bottom: none;
}

section:first-of-type {
    padding-top: 0;
}

section:last-of-type { border-bottom: none; }

/* Section Content Card - 为每个模块添加卡片样式 */
.section-card {
    background: white;
    border: 1px solid rgba(52, 85, 120, 0.08);
    border-radius: 16px;
    padding: 2.8rem;
    box-shadow:
        0 1px 3px rgba(52, 85, 120, 0.04),
        0 4px 12px rgba(52, 85, 120, 0.06),
        0 8px 24px rgba(52, 85, 120, 0.02);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(97, 182, 242, 0.4) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.section-card:hover {
    box-shadow:
        0 2px 6px rgba(52, 85, 120, 0.06),
        0 8px 20px rgba(52, 85, 120, 0.08),
        0 16px 40px rgba(52, 85, 120, 0.04);
    transform: translateY(-3px);
    border-color: rgba(97, 182, 242, 0.15);
}

.section-card:hover::before {
    opacity: 1;
}

section h3 {
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.8rem;
    font-size: 2.1rem;
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: 0.5rem;
}

section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #5a8ab8, #61b6f2);
    border-radius: 2px;
}

section hr {
    border-top: 2px solid #e9ecef;
    margin: 0 0 1.5rem 0;
    width: 60px;
}

section p {
    font-size: 1.06rem;
    line-height: 1.85;
    color: #495057;
    margin-bottom: 1.2rem;
}

section ul {
    line-height: 1.85;
    color: #495057;
}

section ul li {
    margin-bottom: 0.8rem;
}

.text-left { text-align: left; }

/* Media */
.media-container {
    margin: 2rem 0;
    text-align: center;
}

.media-container img,
.media-container video {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow:
        0 4px 16px rgba(52, 85, 120, 0.1),
        0 8px 32px rgba(52, 85, 120, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.media-container img:hover,
.media-container video:hover {
    box-shadow:
        0 6px 20px rgba(52, 85, 120, 0.12),
        0 12px 40px rgba(52, 85, 120, 0.08);
    transform: translateY(-2px);
}

/* Citation */
pre {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #ecf0f1;
    padding: 1.8rem;
    border-radius: 12px;
    font-size: 0.91rem;
    line-height: 1.7;
    overflow-x: auto;
    box-shadow:
        0 4px 12px rgba(52, 85, 120, 0.12),
        0 8px 24px rgba(52, 85, 120, 0.06);
    border: 1px solid rgba(236, 240, 241, 0.08);
    scrollbar-width: thin;
    scrollbar-color: rgba(97, 182, 242, 0.6) rgba(0, 0, 0, 0.15);
}

pre::-webkit-scrollbar {
    height: 8px;
}

pre::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

pre::-webkit-scrollbar-thumb {
    background: rgba(97, 182, 242, 0.6);
    border-radius: 4px;
    transition: background 0.3s ease;
}

pre::-webkit-scrollbar-thumb:hover {
    background: rgba(97, 182, 242, 0.9);
}

pre code {
    color: #ecf0f1;
    white-space: pre;
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
}

/* Copy Citation Button */
.copy-citation-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.9);
    color: #2c3e50;
    border: 1px solid rgba(236, 240, 241, 0.3);
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.copy-citation-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(97, 182, 242, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(97, 182, 242, 0.3);
}

.copy-citation-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.copy-citation-btn i {
    font-size: 0.9rem;
}

/* Footer */
footer {
    padding: 2rem 0;
    color: #6c757d;
    font-size: 0.9rem;
    text-align: center;
}

footer a {
    color: #007bff;
    text-decoration: none;
}

footer a:hover { text-decoration: underline; }

/* Highlights */
.highlight-green { color: #28a745; font-weight: 600; }
.highlight-blue { color: #007bff; font-weight: 600; }
.highlight-orange { color: #fd7e14; font-weight: 600; }
.highlight-purple { color: #6f42c1; font-weight: 600; }
.highlight-teal { color: #20c997; font-weight: 600; }
.highlight-indigo { color: #6610f2; font-weight: 600; }

/* Case Navigation Buttons */
.case-nav-btn:hover {
    background-color: #e5e7eb !important;
    border-color: #9ca3af !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.case-nav-btn:active {
    transform: translateY(0);
}

.case-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Responsive */
@media (max-width: 768px) {
    .jumbotron h1 { font-size: 2rem; }
    section h3 { font-size: 1.7rem; }

    .section-card {
        padding: 2rem;
        border-radius: 14px;
    }

    .btn-large {
        padding: 11px 28px;
        font-size: 0.96rem;
        margin: 6px;
    }

    section p {
        font-size: 1.04rem;
    }

    .viz-switch {
        gap: 10px;
        padding: 6px;
    }

    .viz-btn {
        padding: 7px 20px;
        font-size: 0.94rem;
    }

    /* 作者列表在移动端调整 */
    .author-list-scroll {
        font-size: 1.2rem;
    }

    .author-list-wrapper::before,
    .author-list-wrapper::after {
        width: 40px;
    }

    .author-list-scroll::-webkit-scrollbar-track {
        margin: 0 40px;
    }
}

@media (max-width: 480px) {
    .section-card {
        padding: 1.5rem;
        border-radius: 12px;
    }

    .jumbotron h1 { font-size: 1.6rem; }
    section h3 { font-size: 1.5rem; }

    section p {
        font-size: 1.02rem;
        line-height: 1.75;
    }

    .viz-switch {
        flex-direction: column;
        gap: 8px;
        width: 100%;
        max-width: 300px;
    }

    .viz-btn {
        width: 100%;
        text-align: center;
    }

    /* 作者列表在小屏幕上进一步调整 */
    .author-list-scroll {
        font-size: 1rem;
    }

    .author-list-wrapper::before,
    .author-list-wrapper::after {
        width: 30px;
    }

    .author-list-scroll::-webkit-scrollbar-track {
        margin: 0 30px;
    }
}