/* ================================================
   Med-Reasoner CVPR 2026 Workshop Website Styles
   ================================================ */

/* Base Styles */
:root {
    --primary-color: #0d6efd;
    --primary-dark: #0b5ed7;
    --secondary-color: #6c757d;
    --accent-color: #198754;
    --text-color: #212529;
    --light-bg: #f8f9fa;
    --border-color: #dee2e6;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    padding-top: 56px;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 500;
    font-size: 1.1rem;
}

.nav-link {
    font-weight: 400;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 0.9) !important;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(13, 110, 253, 0.5), rgba(11, 94, 215, 0.6)), url('../../hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    margin-bottom: 2rem;
}

.hero-section h1 {
    font-weight: 700;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.hero-section h2.lead {
    font-size: 1.5rem;
    font-weight: 400;
    opacity: 0.95;
    margin-bottom: 1rem;
}

.hero-date {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.hero-small {
    padding: 60px 0 40px;
}

.hero-small h1 {
    font-size: 2rem;
}

/* Section Titles */
.section-title {
    font-weight: 600;
    font-size: 1.75rem;
    color: var(--primary-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid var(--primary-color);
}

/* Person Cards (Speakers & Organizers) */
.person-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    color: inherit;
    background: white;
}

.person-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.15);
    border-color: rgba(13, 110, 253, 0.3);
}

.card-img-container {
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.person-card .card-img-top {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.person-card .card-body {
    padding: 1rem;
}

.person-card .card-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--text-color);
}

.person-card .card-text {
    font-size: 0.85rem;
    color: var(--secondary-color);
    margin-bottom: 0;
}

/* Links in Person Cards */
a.person-card {
    display: block;
}

a.person-card:hover .card-title {
    color: var(--primary-color);
}

/* News Table */
.news-table {
    margin-bottom: 0;
}

.news-table td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.news-date {
    font-weight: 500;
    white-space: nowrap;
    width: 150px;
    color: var(--secondary-color);
}

/* Topics Section */
.topic-category {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-top: 1.5rem;
}

.topic-list {
    padding-left: 1.5rem;
}

.topic-list li {
    margin-bottom: 0.5rem;
}

/* Dates Table */
.dates-table {
    max-width: 600px;
}

.dates-table td {
    padding: 1rem;
}

.date-label {
    width: 200px;
    background: var(--light-bg);
}

.date-value {
    font-weight: 500;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Footer */
.footer {
    margin-top: 3rem;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0 40px;
    }

    .hero-section h1 {
        font-size: 1.6rem;
    }

    .hero-section h2.lead {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .person-card .card-img-top {
        width: 100px;
        height: 100px;
    }

    .news-date {
        width: auto;
    }

    .dates-table .date-label {
        width: auto;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 1.3rem;
    }

    .person-card .card-img-top {
        width: 80px;
        height: 80px;
    }
}

/* Utility Classes */
.lead {
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.8;
}

/* Button Styling */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    font-weight: 500;
}

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

/* Placeholder Image Styling */
.card-img-top[src*="placeholder"] {
    background: linear-gradient(135deg, #e0e0e0 0%, #c0c0c0 100%);
}