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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    margin-bottom: 3rem;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.intro {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.social-links {
    margin-bottom: 2rem;
}

.social-link {
    display: inline-block;
    margin-right: 1rem;
    color: #0066cc;
    text-decoration: none;
}

.social-link:hover {
    text-decoration: underline;
}

/* Main content */
main {
    margin-bottom: 3rem;
}

.content-section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

p {
    margin-bottom: 1rem;
    color: #333;
}

/* Quick links */
.quick-links {
    margin-bottom: 3rem;
}

.link-grid {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.quick-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #f5f5f5;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #ddd;
}

.quick-link:hover {
    background: #e9e9e9;
}

/* Todo list */
.todo-list {
    list-style: none;
}

.todo-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.todo-item:last-child {
    border-bottom: none;
}

.todo-item.subtask {
    margin-left: 1.5rem;
    padding-left: 1rem;
    border-left: 2px solid #ddd;
}

.todo-item input[type="checkbox"] {
    margin-right: 0.75rem;
}

.todo-item label {
    cursor: pointer;
    flex: 1;
}

.todo-item.completed label {
    text-decoration: line-through;
    color: #999;
}

/* Headers */
h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem 0;
    color: #333;
}

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

/* Inbox */
.inbox-content ul {
    list-style: disc;
    margin-left: 1.5rem;
}

.inbox-content li {
    margin-bottom: 0.5rem;
}

.inbox-content ul ul {
    margin-top: 0.5rem;
}

.inbox-content a {
    color: #0066cc;
    text-decoration: none;
}

.inbox-content a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
    color: #666;
    font-size: 0.9rem;
    text-align: center;
}

/* Links */
a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Legend */
.legend {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f9f9f9;
    border-radius: 4px;
    border: 1px solid #eee;
}

.legend-item {
    display: inline-block;
    margin-right: 1.5rem;
    font-size: 0.9rem;
    color: #666;
}

.legend-item:last-child {
    margin-right: 0;
}

/* Project download */
.project-download {
    margin: 1.5rem 0;
}

.download-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #0066cc;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.download-button:hover {
    background: #0052a3;
    text-decoration: none;
}

/* Project list */
.project-list {
    margin-top: 1.5rem;
}

.project-list ul {
    list-style: none;
    margin-left: 0;
}

.project-list li {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

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

.project-list strong {
    color: #333;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .link-grid {
        flex-direction: column;
    }
    
    .quick-link {
        text-align: center;
    }
}