:root {
    --era-primary: #667eea;
    --era-secondary: #764ba2;
    --era-success: #00a32a;
    --era-error: #d63638;
    --era-text: #1d2327;
    --era-border: #e0e0e0;
    --era-bg-light: #f6f7f7;
    --era-white: #ffffff;
    --era-radius: 8px;
}

.era-iff-search-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.era-iff-filters {
    background: linear-gradient(135deg, var(--era-primary) 0%, var(--era-secondary) 100%);
    color: var(--era-white);
    padding: 30px;
    border-radius: var(--era-radius);
    margin-bottom: 30px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.era-iff-filters-title {
    margin: 0 0 25px;
    font-size: 24px;
    font-weight: 600;
}

.era-iff-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.era-iff-filter-row {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.era-iff-filter-row label {
    min-width: 180px;
    font-weight: 600;
}

.era-iff-input,
.era-iff-select {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: var(--era-radius);
    font-size: 15px;
    background: rgba(255,255,255,0.95);
    color: var(--era-text);
}

.era-iff-input:focus,
.era-iff-select:focus {
    outline: none;
    border-color: var(--era-white);
    background: var(--era-white);
}

.era-iff-btn {
    padding: 12px 30px;
    border: none;
    border-radius: var(--era-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.era-iff-btn-primary {
    background: var(--era-white);
    color: var(--era-primary);
}

.era-iff-btn-secondary {
    background: rgba(255,255,255,0.2);
    color: var(--era-white);
    border: 2px solid var(--era-white);
}

.era-iff-spinner {
    border: 4px solid var(--era-bg-light);
    border-top: 4px solid var(--era-primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.era-iff-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.era-iff-result-card {
    background: var(--era-white);
    border: 1px solid var(--era-border);
    border-radius: var(--era-radius);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.era-iff-result-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.era-iff-card-header {
    background: linear-gradient(135deg, var(--era-primary) 0%, var(--era-secondary) 100%);
    color: var(--era-white);
    padding: 20px;
}

.era-iff-card-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.era-iff-card-body {
    padding: 20px;
}

.era-iff-entity-details {
    background: var(--era-white);
    padding: 40px;
    border-radius: var(--era-radius);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.era-iff-entity-title {
    margin: 10px 0 0;
    font-size: 32px;
}

.era-iff-badge {
    display: inline-block;
    background: #e3f2fd;
    color: #1976d2;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    margin: 5px;
}

.era-iff-error {
    background: #fcf0f1;
    border: 1px solid var(--era-error);
    color: #c62828;
    padding: 15px;
    border-radius: var(--era-radius);
    margin: 20px 0;
}

@media (max-width: 768px) {
    .era-iff-results-grid {
        grid-template-columns: 1fr;
    }
    .era-iff-filter-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .era-iff-input,
    .era-iff-select {
        width: 100%;
    }
}

/* Entity Details Styles */
.era-iff-entity-details {
    padding: 20px 0;
}

.entity-header {
    margin-bottom: 30px;
}

.entity-type-badge {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: white;
    margin-bottom: 10px;
}

.badge-work {
    background: #0073aa;
}

.badge-person {
    background: #46b450;
}

.badge-expression {
    background: #9b51e0;
}

.badge-manifestation {
    background: #f7931e;
}

.badge-item {
    background: #dc3545;
}

.entity-title {
    font-size: 32px;
    margin: 0;
    color: #23282d;
}

.entity-section {
    margin: 30px 0;
    padding: 20px;
    background: #f9f9f9;
    border-left: 4px solid #0073aa;
    border-radius: 4px;
}

.entity-section h3 {
    margin-top: 0;
    color: #0073aa;
    font-size: 20px;
}

.entity-card {
    margin: 15px 0;
    padding: 15px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.entity-card p {
    margin: 8px 0;
}

.entity-card a {
    color: #0073aa;
    text-decoration: none;
    font-weight: 500;
}

.entity-card a:hover {
    text-decoration: underline;
}

.era-iff-debug-section {
    margin-top: 50px;
    padding: 20px;
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
}

.era-iff-debug-section h3 {
    margin-top: 0;
    color: #856404;
}

/* Responsive */
@media (max-width: 768px) {
    .entity-title {
        font-size: 24px;
    }
    
    .entity-section {
        padding: 15px;
    }
    
    .entity-card {
        padding: 12px;
    }
}