:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-bg: rgba(30, 41, 59, 0.5);
    --card-hover: rgba(51, 65, 85, 0.8);
    --font-family: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Dynamic Background */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59,130,246,0.6) 0%, rgba(30,58,138,0) 70%);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139,92,246,0.6) 0%, rgba(76,29,149,0) 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Header */
.main-header {
    margin: 2rem auto;
    width: 95%;
    max-width: 1400px;
    padding: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(to right, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.header-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.search-container {
    position: relative;
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.search-container input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 99px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

.search-container input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    color: var(--text-secondary);
}

/* Layout */
.container {
    width: 95%;
    max-width: 1400px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
}

/* Sidebar & Facets */
.sidebar {
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.btn-text {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 500;
    transition: var(--transition);
}

.btn-text:hover {
    color: var(--accent-hover);
}

.facet-group {
    margin-bottom: 1.5rem;
}

.facet-group h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.facet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.facet-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.facet-item:hover {
    color: var(--accent-hover);
}

.facet-item input[type="checkbox"] {
    appearance: none;
    width: 1.1rem;
    height: 1.1rem;
    border: 1px solid var(--text-secondary);
    border-radius: 4px;
    background: rgba(15, 23, 42, 0.4);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.facet-item input[type="checkbox"]:checked {
    background: var(--accent-color);
    border-color: var(--accent-color);
}

.facet-item input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.facet-count {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.1rem 0.4rem;
    border-radius: 99px;
}

/* Results */
.results-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.results-header {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition);
}

.resource-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.card-title a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.card-title a:hover {
    color: var(--accent-hover);
}

.card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.badge.category {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.card-link {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition);
}

.card-link:hover {
    color: var(--accent-hover);
}

.card-link svg {
    width: 1rem;
    height: 1rem;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
    .container {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
        margin-bottom: 2rem;
    }
}