/* biblio.bond - Mobile-first style inspired by openlibrary.org */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background: #f9f9f9;
    padding-bottom: 2rem;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header */
header {
    background: #fff;
    border-bottom: 3px solid #e8e8e8;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #000;
}

header h1 a {
    color: #000;
    text-decoration: none;
}

header p {
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Navigation */
nav {
    margin-top: 1rem;
}

nav a {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin-right: 0.5rem;
    background: #f0f0f0;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
}

nav a:hover {
    background: #e0e0e0;
}

/* Cards */
.card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.25rem;
}

.card .meta {
    font-size: 0.85rem;
    color: #999;
    margin-top: 0.5rem;
}

/* Book card */
.book-card {
    border-left: 4px solid #8b7355;
}

.book-card .title {
    font-weight: 600;
    color: #000;
}

.book-card .author {
    color: #666;
    font-style: italic;
}

/* List card */
.list-card {
    border-left: 4px solid #4a90e2;
}

.list-card .duedate {
    color: #e74c3c;
    font-weight: 500;
}

/* Stamp card */
.stamp-card {
    border-left: 4px solid #27ae60;
}

.stamp-card .badge {
    display: inline-block;
    background: #27ae60;
    color: #fff;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Forms */
form {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

form input[type="text"],
form input[type="datetime-local"],
form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    margin-bottom: 1rem;
}

form textarea {
    min-height: 100px;
    resize: vertical;
}

form button {
    background: #4a90e2;
    color: #fff;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

form button:hover {
    background: #357abd;
}

/* Lists */
ul.simple-list {
    list-style: none;
}

ul.simple-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
}

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

/* Empty state */
.empty {
    text-align: center;
    padding: 3rem 1rem;
    color: #999;
}

.empty p {
    font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 0.5rem;
    }
    
    header h1 {
        font-size: 1.25rem;
    }
    
    nav a {
        display: block;
        margin-bottom: 0.5rem;
    }
}