* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    max-width: 640px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
    line-height: 1.5;
}

header {
    margin-bottom: 2rem;
}

header a {
    color: #333;
    text-decoration: none;
    font-weight: 600;
}

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

h1 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.workout-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.workout-list > li {
    margin-bottom: 1.5rem;
}

.program-name {
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.day-list {
    list-style: none;
    padding-left: 1rem;
    margin: 0;
}

.day-list a {
    color: #0066cc;
    text-decoration: none;
}

.day-list a:hover {
    text-decoration: underline;
}

.breadcrumb {
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 1rem;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.day-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.day-nav a {
    padding: 0.35rem 0.75rem;
    background: #eee;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

.day-nav a:hover {
    background: #ddd;
}

.day-nav a.active {
    background: #333;
    color: white;
}

.exercise-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.exercise-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    gap: 1rem;
}

.exercise-list li.exercise-header {
    font-weight: 600;
    border-bottom: 2px solid #333;
    padding-bottom: 0.5rem;
    margin-bottom: 0.25rem;
}

.exercise-name {
    flex: 1;
}

.exercise-reps {
    color: #666;
    flex-shrink: 0;
}