/* ===== General ===== */
body {
    font-family: Georgia, serif;
    margin: 0;
    background: #f9f9f9;
    color: #222;
}

/* ===== Global Links ===== */
a {
    color: #c8a96a;
    text-decoration: none;
}

a:visited {
    color: #c8a96a;
}

a:hover {
    color: #e0c080;
}

/* ===== Unified Buttons ===== */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #111;
    color: #c8a96a;
    border: 1px solid #c8a96a;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
    font-size: 14px;
}

.btn:hover {
    background: #c8a96a;
    color: #000;
}

/* ===== Hero Section ===== */
.hero {
    text-align: center;
    padding: 80px 20px 40px;
    background: #111;
    color: #c8a96a;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.hero p {
    color: #aaa;
}

/* ===== Content ===== */
.content {
    max-width: 800px;
    margin: 60px auto;
    padding: 20px;
    line-height: 2;
    font-size: 18px;
    background: #fffdf8;
}

.text-block p {
    margin-bottom: 20px;
}

.text-block h3 {
    margin-top: 40px;
    margin-bottom: 15px;
    font-size: 22px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
}

/* ===== Library Layout ===== */
.library-container {
    max-width: 1100px;
    margin: 80px auto;
    padding: 20px;
    text-align: center;
}

.library {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

/* ===== Book Cards ===== */
.book-card {
    display: block;
    background: #111;
    color: #c8a96a;
    padding: 40px 20px;
    border-radius: 12px;
    text-decoration: none;
    border: 1px solid #c8a96a;
    transition: 0.3s;
}

.book-card:hover {
    transform: translateY(-5px);
    background: #1a1a1a;
}

.book-card img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 15px;
}

/* Disabled Card */
.book-card.disabled {
    background: #eee;
    color: #888;
    border: none;
}

/* ===== Article (Reading Mode) ===== */
.article {
    max-width: 720px;
    margin: 100px auto;
    padding: 40px 25px;
    line-height: 2.1;
    font-size: 20px;
    background: #fffdf8;
}

.article h1 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 20px;
}

.article h2 {
    font-size: 26px;
    margin-top: 60px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 8px;
}

.article p {
    margin-bottom: 22px;
    text-align: justify;
}

/* ===== Footer ===== */
footer {
    text-align: center;
    padding: 30px;
    font-size: 14px;
    color: #777;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
    .article {
        font-size: 18px;
        padding: 25px 15px;
    }

    .hero h2 {
        font-size: 28px;
    }
}
.enter-btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 12px;
    background: #c8a96a;
    color: #111;
    text-decoration: none;
    font-weight: 600;
}