:root {
    --primary-color: #00bf63; /* Energetic Green */
    --primary-dark: #009e52;
    --secondary-color: #1e293b; /* Dark Slate */
    --accent-color: #3b82f6; /* Blue for verified/links */
    --background-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #334155;
    --text-light: #64748b;
    --border-radius: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --font-main: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--background-color);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--secondary-color), #0f172a);
    color: white;
    padding: 3rem 0;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 1rem;
}

.logo i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 1.1rem;
    color: #cbd5e1;
    max-width: 600px;
    margin: 0 auto;
}

/* Search Section */
.search-section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    border: 1px solid #e2e8f0;
}

.search-box {
    flex: 1;
    position: relative;
    min-width: 300px;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.search-box input {
    width: 100%;
    padding: 12px 12px 12px 45px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 191, 99, 0.1);
}

.filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

select {
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    background-color: white;
    cursor: pointer;
    min-width: 200px;
}

.results-count {
    color: var(--text-light);
    font-weight: 500;
    white-space: nowrap;
}

/* Grid */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    min-height: 200px;
}

.loading-spinner {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    font-size: 1.2rem;
    color: var(--text-light);
}

/* Card */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

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

.card h2 {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.chamber-number {
    font-size: 0.85rem;
    color: var(--text-light);
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-main);
}

.info-item i {
    color: var(--primary-color);
    margin-top: 4px;
    width: 16px;
    text-align: center;
}

.info-item a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

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

.qualification {
    font-size: 0.9rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 0.5rem;
}

/* Pagination */
.pagination {
    text-align: center;
    margin-bottom: 4rem;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px rgba(0, 191, 99, 0.2);
}

.primary-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: #94a3b8;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .search-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box, select {
        width: 100%;
    }
}