/* ============================================
   Ghsts OGFN Hub - Custom Dark Theme
   ============================================ */

/* CSS Variables */
:root {
    --bg-dark: #0a0a0f;
    --bg-card: #141420;
    --bg-card-hover: #1a1a2e;
    --accent: #ff6b35;
    --accent-secondary: #f7c548;
    --accent-tertiary: #4ecdc4;
    --text: #e8e8e8;
    --text-muted: #888899;
    --border: #2a2a3a;
    --gradient-1: linear-gradient(135deg, #ff6b35 0%, #f7c548 100%);
    --gradient-2: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    --radius: 8px;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(
        120deg,
        #ff7a18,
        #ffd166,
        #1dd3b0,
        #ff7a18
    );
    background-size: 400% 400%;
    animation: gradientMove 18s ease infinite;
}

/* Soft glow overlay */
.animated-bg::after {
    content: "";
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(255,255,255,0.05), transparent 60%);
    animation: floatGlow 25s linear infinite;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes floatGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text .accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
    border-radius: 2px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 60px;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
    animation: heroGlow 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes heroGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.hero h1 .accent {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.category-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.category-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

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

/* Info Card */
.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
}

.info-card h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.info-card p {
    color: var(--text-muted);
    margin-bottom: 15px;
    line-height: 1.7;
}

.info-links {
    margin-top: 20px;
}

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

/* Resource Cards */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.resource-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.3s ease;
}

.resource-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-3px);
}

.resource-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.resource-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.resource-language {
    background: var(--bg-dark);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.resource-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.resource-stats {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.resource-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.tag {
    background: var(--bg-dark);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--accent);
}

.resource-actions {
    display: flex;
    gap: 10px;
}

.btn {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* Page Header */
.page-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 40px;
}

.page-header-content {
    max-width: 600px;
    margin: 0 auto;
}

.page-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-muted);
}

/* Search */
.search-container {
    position: relative;
    margin-bottom: 30px;
}

.search-input {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 15px 20px;
    color: var(--text);
    font-size: 1rem;
}

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

.search-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-muted);
}

/* Footer */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 40px 20px;
    text-align: center;
    margin-top: 60px;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.footer-text {
    color: var(--text-muted);
    margin-bottom: 15px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--text-muted);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

.modal-close:hover {
    color: var(--text);
}

.detail-description {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.detail-info a {
    color: var(--accent);
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
    
    .hero h1 { font-size: 2rem; }
    .categories-grid { grid-template-columns: 1fr; }
    .resources-grid { grid-template-columns: 1fr; }
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 20px;
}

.mobile-menu.active { display: block; }

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-nav-links a {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-weight: 500;
}