styles.css

/* 🎨 CSS Styles for My Library */
/* Session 16: HTML & CSS Foundations - CoderDojo Philadelphia */

/* ============================================
   🌍 GLOBAL STYLES - Apply to everything
   ============================================ */

/* Reset default browser styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables for easy theming */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --light-gray: #f4f4f4;
    --dark-gray: #333;
    --medium-gray: #666;
    --border-color: #ddd;
    --shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ============================================
   💪 BODY STYLES
   ============================================ */

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--light-gray);
    min-height: 100vh;
}

/* ============================================
   🎩 HEADER STYLES
   ============================================ */

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* ============================================
   🧭 NAVIGATION STYLES
   ============================================ */

nav {
    margin-top: 10px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
    padding: 8px 16px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: var(--secondary-color);
}

/* ============================================
   ⭐ MAIN CONTENT STYLES
   ============================================ */

main {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    padding-bottom: 80px; /* Space for fixed footer */
}

/* ============================================
   📦 SECTION STYLES
   ============================================ */

section {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

section h2 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

section p {
    margin-bottom: 15px;
}

section ul {
    margin-left: 25px;
    margin-bottom: 15px;
}

section li {
    margin-bottom: 8px;
}

/* ============================================
   🔍 SEARCH BAR STYLES
   ============================================ */

.search-bar {
    display: flex;
    gap: 10px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.search-bar input {
    flex: 1;
    min-width: 200px;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-bar input:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.search-bar select {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.search-bar select:focus {
    border-color: var(--secondary-color);
    outline: none;
}

/* ============================================
   📚 BOOK GRID - CSS Grid Layout
   ============================================ */

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

/* ============================================
   📖 BOOK CARD STYLES
   ============================================ */

.book-card {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* 📕 Book Cover Emoji */
.book-cover {
    font-size: 4rem;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.book-card:hover .book-cover {
    transform: scale(1.1);
}

/* 📝 Book Title */
.book-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* ✍️ Author */
.author {
    color: var(--medium-gray);
    font-style: italic;
    margin-bottom: 5px;
}

/* 📄 Pages */
.pages {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

/* ============================================
   ✅ STATUS BADGE STYLES
   ============================================ */

.status {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 15px;
}

.status.available {
    background-color: #d4edda;
    color: #155724;
}

.status.checked-out {
    background-color: #f8d7da;
    color: #721c24;
}

/* ============================================
   🔘 BUTTON STYLES
   ============================================ */

.checkout-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    width: 100%;
    max-width: 200px;
}

.checkout-btn:hover {
    background-color: #2980b9;
    transform: scale(1.02);
}

.checkout-btn:active {
    transform: scale(0.98);
}

.checkout-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   📞 CONTACT INFO STYLES
   ============================================ */

.contact-info {
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
    margin-top: 15px;
}

.contact-info p {
    margin-bottom: 10px;
}

.contact-info a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* ============================================
   👟 FOOTER STYLES
   ============================================ */

footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 20px;
    position: fixed;
    bottom: 0;
    width: 100%;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
}

/* ============================================
   📱 RESPONSIVE DESIGN - Media Queries
   ============================================ */

/* Tablets and smaller desktops (768px and below) */
@media (max-width: 768px) {
    header {
        padding: 15px;
    }

    header h1 {
        font-size: 1.6rem;
    }

    nav {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }

    nav a {
        display: block;
        margin: 3px 0;
    }

    .book-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 15px;
    }

    main {
        padding: 15px;
    }

    section {
        padding: 20px;
    }

    footer {
        position: static;
    }

    main {
        padding-bottom: 20px;
    }
}

/* Mobile phones (480px and below) */
@media (max-width: 480px) {
    header h1 {
        font-size: 1.4rem;
    }

    .book-grid {
        grid-template-columns: 1fr;
    }

    .book-card {
        padding: 15px;
    }

    .book-cover {
        font-size: 3rem;
    }

    .search-bar {
        flex-direction: column;
    }

    .search-bar input,
    .search-bar select {
        width: 100%;
    }

    section h2 {
        font-size: 1.3rem;
    }

    .checkout-btn {
        padding: 10px 20px;
    }
}

/* ============================================
   ✨ ANIMATIONS (Bonus Feature)
   ============================================ */

/* Fade in animation for book cards */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.book-card {
    animation: fadeIn 0.5s ease-out;
}

/* Stagger the animation for each card */
.book-card:nth-child(1) { animation-delay: 0.1s; }
.book-card:nth-child(2) { animation-delay: 0.2s; }
.book-card:nth-child(3) { animation-delay: 0.3s; }
.book-card:nth-child(4) { animation-delay: 0.4s; }
.book-card:nth-child(5) { animation-delay: 0.5s; }
.book-card:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
   🎨 UTILITY CLASSES
   ============================================ */

.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }

/* Hidden class for JavaScript functionality */
.hidden {
    display: none;
}