:root {
    /* Light Theme (Off-white & Off-black) */
    --bg-color: #fafafa;
    --text-color: #1a1a1a;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;
    --muted-text: #666666;
    --accent-color: #111111;
    --btn-bg: #1a1a1a;
    --btn-text: #fafafa;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-speed: 0.3s;
}

.dark-mode {
    /* Dark Theme (Off-black & Off-white) */
    --bg-color: #161616;
    --text-color: #f4f4f4;
    --card-bg: #1e1e1e;
    --border-color: #333333;
    --muted-text: #aaaaaa;
    --accent-color: #eeeeee;
    --btn-bg: #f4f4f4;
    --btn-text: #161616;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

a {
    color: var(--text-color);
    text-decoration: none;
}

/* Header */
.navbar {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 10;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.btn-icon:hover {
    background-color: var(--border-color);
}

/* Main Container */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

/* Controls (Search & Filter) */
.controls-section {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.search-box input, .filter-box select {
    padding: 0.8rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px; /* Lebih halus, tidak terlalu runcing */
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input {
    width: 100%;
    min-width: 250px;
}

.filter-box select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
}

.dark-mode .filter-box select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f4f4f4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.search-box input:focus, .filter-box select:focus {
    border-color: var(--text-color);
    box-shadow: 0 0 0 2px rgba(100, 100, 100, 0.1);
}

/* Feed Grid */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.post-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.dark-mode .post-card:hover {
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.02);
}

.card-img-wrapper {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: var(--border-color);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.post-card:hover .card-img {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--muted-text);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--muted-text);
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.card-read-more {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: 4rem;
    background-color: var(--card-bg);
    text-align: center;
}

.footer-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.2s, color 0.2s, transform 0.2s;
}

.social-icon:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    transform: translateY(-3px);
}

.copyright {
    font-size: 0.9rem;
    color: var(--muted-text);
}

.creator-link {
    color: #007bff; /* Warna berbeda untuk Tahul StaticWeb */
    font-weight: 600;
    transition: opacity 0.2s;
}

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

.dark-mode .creator-link {
    color: #4da3ff; /* Biru yang lebih terang untuk dark mode */
}

/* Full-Screen Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 1000;
    overflow-y: auto;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.modal.show {
    display: block;
    opacity: 1;
}

.modal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.btn-close {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1010;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-close:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
    transform: rotate(90deg);
}

.modal-article {
    flex-grow: 1;
}

.modal-header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.modal-meta {
    font-size: 0.9rem;
    color: var(--muted-text);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.modal-thumbnail {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}

/* Rich Text Content Styling */
.modal-body {
    font-size: 1.1rem;
    line-height: 1.8;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.modal-body p {
    margin-bottom: 1.5rem;
}

.modal-body ul, .modal-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

.modal-body h2, .modal-body h3 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.modal-body blockquote {
    border-left: 4px solid var(--text-color);
    padding-left: 1.5rem;
    font-style: italic;
    margin: 2rem 0;
    color: var(--muted-text);
    font-size: 1.2rem;
}

.modal-body img {
    display: block;
    margin: 2rem auto;
    max-width: 100%;
    border-radius: 4px;
}

.modal-body iframe {
    width: 100%;
    aspect-ratio: 16/9;
    margin: 2rem 0;
}

.modal-body a {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}

.modal-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
}

.btn-share {
    background-color: #25D366; /* WhatsApp Brand Color */
    color: #ffffff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-share:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
}

.loading {
    text-align: center;
    padding: 3rem;
    font-style: italic;
    color: var(--muted-text);
}

/* Responsive */
@media (max-width: 768px) {
    .modal-title {
        font-size: 2rem;
    }
    
    .modal-content {
        padding: 3rem 1rem;
    }
    
    .btn-close {
        top: 1rem;
        right: 1rem;
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }
    
    .controls-section {
        flex-direction: column;
    }
    
    .search-box, .filter-box {
        width: 100%;
    }
    
    .search-box input, .filter-box select {
        min-width: 100%;
        width: 100%;
    }
}