/* Bioinformatics Specialization Program - Stylesheet */

:root {
    --primary-color: #0d7377;
    --primary-dark: #14575a;
    --primary-light: #32a8a8;
    --accent-color: #e07b4c;
    --accent-light: #f5a572;
    --text-color: #2d3748;
    --text-light: #718096;
    --bg-color: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --code-bg: #1e2a38;
    --code-text: #e2e8f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

/* Navigation */
nav {
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

nav .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
}

nav .logo:hover {
    color: var(--accent-light);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--accent-light);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    margin: -2rem -2rem 2rem -2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.hero .dates {
    margin-top: 1.5rem;
    padding: 1rem 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    display: inline-block;
}

/* Section styling */
section {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

h1, h2, h3, h4 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; border-bottom: 2px solid var(--primary-light); padding-bottom: 0.5rem; }
h3 { font-size: 1.25rem; color: var(--primary-color); }
h4 { font-size: 1.1rem; }

p {
    margin-bottom: 1rem;
}

/* Lists */
ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

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

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

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.card h3 {
    margin-bottom: 0.5rem;
}

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

.card .tag {
    display: inline-block;
    background: var(--primary-light);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
}

/* Lab cards */
.lab-card {
    border-left: 4px solid var(--accent-color);
}

.lab-card .tag {
    background: var(--accent-color);
}

/* Schedule tables */
.schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.schedule-table th,
.schedule-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.schedule-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.schedule-table tr:hover {
    background: var(--bg-color);
}

.schedule-table .session-type {
    font-weight: 600;
    color: var(--primary-color);
}

.schedule-table .lab-session {
    background: #f0fff4;
}

.schedule-table .lab-session .session-type {
    color: var(--accent-color);
}

/* Day tabs */
.day-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.day-tab {
    padding: 0.75rem 1.5rem;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--text-color);
}

.day-tab:hover,
.day-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    text-decoration: none;
}

/* Code blocks */
pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

code {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background: var(--bg-color);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

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

/* Code block container with copy button */
.code-container {
    position: relative;
}

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--code-text);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.2s;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.copy-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
}

.copy-btn.copied {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Info boxes */
.info-box {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.info-box.tip {
    background: #f0fff4;
    border-left: 4px solid var(--accent-color);
}

.info-box.warning {
    background: #fffaf0;
    border-left: 4px solid #ed8936;
}

.info-box.note {
    background: #ebf8ff;
    border-left: 4px solid var(--primary-light);
}

.info-box strong {
    display: block;
    margin-bottom: 0.5rem;
}

/* Breadcrumbs */
.breadcrumbs {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.breadcrumbs a {
    color: var(--text-light);
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

/* Lab page header */
.lab-header {
    background: linear-gradient(135deg, var(--accent-color), #276749);
    color: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.lab-header h1 {
    color: white;
    margin-bottom: 0.5rem;
}

.lab-header .lab-meta {
    opacity: 0.9;
}

/* Steps */
.step {
    margin: 1.5rem 0;
    padding-left: 3rem;
    position: relative;
}

.step::before {
    content: attr(data-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

/* Tools list */
.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tool-tag {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer p {
    margin: 0;
    opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        padding: 1rem 2rem;
        gap: 1rem;
    }

    nav ul.show {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    main {
        padding: 1rem;
    }

    section {
        padding: 1.5rem;
    }

    .schedule-table {
        font-size: 0.85rem;
    }

    .schedule-table th,
    .schedule-table td {
        padding: 0.75rem 0.5rem;
    }

    .step {
        padding-left: 2.5rem;
    }
}

/* Outcome cards */
.outcome-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.outcome-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-color);
    border-radius: 8px;
}

.outcome-item .icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* Quick links */
.quick-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.quick-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    font-weight: 500;
    transition: background 0.2s;
}

.quick-link:hover {
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
}

/* Collapsible sections */
details {
    margin-top: 1rem;
}

details summary {
    cursor: pointer;
    padding: 0.5rem 0;
    border-bottom: 2px solid var(--primary-light);
    margin-bottom: 1rem;
}

details summary:hover {
    color: var(--primary-color);
}

details summary::marker {
    color: var(--primary-color);
}

details[open] summary {
    margin-bottom: 1.5rem;
}

details h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-size: 1.1rem;
}

details h3:first-of-type {
    margin-top: 0;
}