/* Generative AI for Scholarship — Harvard HDSI & FAS */

:root {
    --crimson: #A51C30;
    --crimson-dark: #8C1515;
    --text: #1E1E1E;
    --text-light: #555555;
    --bg: #FFFFFF;
    --bg-warm: #F7F5F2;
    --code-bg: #F3F4F4;
    --border: #E0DCDA;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Georgia, "Times New Roman", serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Header */
header {
    border-bottom: 3px solid var(--crimson);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

header .logos {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

header .logos img {
    height: 50px;
    width: auto;
}

header h1 {
    color: var(--crimson);
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
}

header .sponsors {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Navigation */
nav {
    margin-bottom: 2rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

nav a {
    color: var(--crimson);
    text-decoration: none;
    margin-right: 1.5rem;
    font-size: 0.95rem;
}

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

nav a.active {
    font-weight: bold;
    text-decoration: underline;
}

/* Main content */
h2 {
    color: var(--crimson-dark);
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 1.1rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--crimson);
}

a:hover {
    color: var(--crimson-dark);
}

/* Session cards (index page) */
.session-cards {
    display: grid;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.session-card {
    border: 1px solid var(--border);
    border-left: 4px solid var(--crimson);
    padding: 1.25rem 1.5rem;
    background: var(--bg-warm);
    text-decoration: none;
    color: var(--text);
    display: block;
    transition: border-left-color 0.2s;
}

.session-card:hover {
    border-left-color: var(--crimson-dark);
}

.session-card .date {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.session-card h3 {
    margin: 0;
    color: var(--crimson);
}

.session-card p {
    margin: 0.5rem 0 0 0;
    font-size: 0.95rem;
}

/* Resource lists */
.resources {
    list-style: none;
    margin: 1rem 0;
}

.resources li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.resources li:last-child {
    border-bottom: none;
}

.resources a {
    font-weight: bold;
}

.resources .desc {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.15rem;
}

/* Code blocks */
code {
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.9em;
    background: var(--code-bg);
    padding: 0.15em 0.4em;
    border-radius: 3px;
}

pre {
    background: var(--code-bg);
    border: 1px solid var(--border);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: 1rem 0;
    border-radius: 4px;
    white-space: pre-wrap;
    word-wrap: break-word;
}

pre code {
    background: none;
    padding: 0;
}

/* Colab button */
.colab-link {
    display: inline-block;
    background: var(--crimson);
    color: #fff;
    padding: 0.4rem 1rem;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-family: -apple-system, Helvetica, Arial, sans-serif;
    margin: 0.25rem 0.5rem 0.25rem 0;
}

.colab-link:hover {
    background: var(--crimson-dark);
    color: #fff;
}

/* Disclaimer box */
.disclaimer {
    background: #FFF3F4;
    border: 2px solid var(--crimson);
    border-radius: 4px;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Footer */
footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.4rem;
    }

    header .logos {
        flex-wrap: wrap;
        gap: 1rem;
    }

    header .logos img {
        height: 40px;
    }

    nav a {
        display: block;
        margin: 0.5rem 0;
    }
}