/**
 * Birthmark Standard - Image Verifier Styles
 *
 * Custom styles for the image verification tool.
 * Extends the base styles.css with verifier-specific components.
 */

/* Verifier Section */
.verifier-section {
    padding: 3rem 0;
    background: white;
}

/* Privacy Notice */
.privacy-notice {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light-blue);
    border-left: 4px solid var(--accent-blue);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.privacy-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.privacy-text {
    color: var(--gray-text);
    line-height: 1.6;
}

.privacy-text strong {
    color: var(--primary-blue);
}

/* Upload Container */
.upload-container {
    margin: 2rem 0;
}

/* Drop Zone */
.drop-zone {
    border: 3px dashed var(--accent-blue);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--light-gray);
    transition: all 0.3s;
    cursor: pointer;
}

.drop-zone:hover {
    border-color: var(--primary-blue);
    background: var(--light-blue);
}

.drop-zone.drag-over {
    border-color: var(--primary-blue);
    background: var(--light-blue);
    border-style: solid;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.upload-icon {
    font-size: 4rem;
}

.drop-zone h3 {
    color: var(--primary-blue);
    margin: 0;
}

.drop-zone p {
    color: var(--gray-text);
    margin: 0;
}

/* Image Preview */
.image-preview {
    text-align: center;
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    margin-bottom: 1rem;
}

/* Hash Display */
.hash-display {
    margin: 2rem 0;
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.hash-display h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.hash-value {
    margin-bottom: 1rem;
}

.hash-computing {
    color: var(--gray-text);
    font-style: italic;
}

.hash-text {
    font-family: 'Courier New', monospace;
    background: white;
    padding: 1rem;
    border-radius: 4px;
    word-break: break-all;
    color: var(--dark-navy);
    border: 1px solid #e2e8f0;
    margin-bottom: 0.5rem;
}

.copy-hash-btn {
    background: var(--accent-blue);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.copy-hash-btn:hover {
    background: var(--primary-blue);
}

.hash-explanation {
    color: var(--gray-text);
    font-size: 0.9rem;
    font-style: italic;
}

/* Loading Indicator */
.loading-indicator {
    text-align: center;
    padding: 2rem;
}

.spinner {
    border: 4px solid var(--light-gray);
    border-top: 4px solid var(--accent-blue);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-indicator p {
    color: var(--gray-text);
    font-weight: 600;
}

/* Verification Status */
.verification-status {
    margin: 2rem 0;
}

/* Result Card */
.result-card {
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.result-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.result-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

/* Result: Not Found */
.result-not-found {
    background: #fff9e6;
    border: 2px solid #f59e0b;
}

.result-not-found .result-icon {
    color: #f59e0b;
}

.result-not-found h3 {
    color: #92400e;
}

/* Result: Error */
.result-error {
    background: #fee;
    border: 2px solid #ef4444;
}

.result-error .result-icon {
    color: #ef4444;
}

.result-error h3 {
    color: #991b1b;
}

/* Result: Verified */
.result-verified {
    background: #f0fdf4;
    border: 2px solid #22c55e;
}

.result-verified .result-icon {
    color: #22c55e;
    font-size: 4rem;
    font-weight: bold;
}

.result-verified h3 {
    color: #166534;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 1rem;
    margin: 1rem 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-validated-raw {
    background: #dcfce7;
    color: #166534;
    border: 2px solid #22c55e;
}

.status-validated {
    background: #dbeafe;
    color: #1e40af;
    border: 2px solid #3b82f6;
}

.status-modified {
    background: #fef3c7;
    color: #92400e;
    border: 2px solid #f59e0b;
}

/* Result Details */
.result-details {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
}

.result-details p {
    margin-bottom: 0.5rem;
    color: var(--gray-text);
}

.result-details ul {
    margin-top: 0.5rem;
    padding-left: 1.5rem;
    color: var(--gray-text);
}

.result-details li {
    margin-bottom: 0.5rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: var(--primary-blue);
}

.detail-value {
    color: var(--gray-text);
    text-align: right;
}

/* Level Description */
.level-description {
    margin-top: 1.5rem;
    padding: 1.5rem;
    border-radius: 8px;
}

.level-description p {
    color: var(--gray-text);
    margin-bottom: 0.75rem;
}

.level-0 {
    background: #dcfce7;
    border-left: 4px solid #22c55e;
}

.level-1 {
    background: #dbeafe;
    border-left: 4px solid #3b82f6;
}

.level-2 {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
}

.guarantee {
    font-weight: 600;
    color: var(--dark-navy);
    margin-top: 1rem;
}

/* Provenance Chain */
.provenance-chain {
    margin-top: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    border: 2px solid var(--accent-blue);
}

.provenance-chain h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.provenance-intro {
    color: var(--gray-text);
    margin-bottom: 1.5rem;
}

.chain-items {
    margin-top: 1rem;
}

.chain-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    background: var(--light-gray);
    border-left: 4px solid;
}

.chain-item.chain-current {
    border-left-color: var(--accent-blue);
    background: var(--light-blue);
}

.chain-item.status-validated-raw {
    border-left-color: #22c55e;
}

.chain-item.status-validated {
    border-left-color: #3b82f6;
}

.chain-item.status-modified {
    border-left-color: #f59e0b;
}

.chain-marker {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 0.85rem;
    text-transform: uppercase;
    min-width: 60px;
}

.chain-content {
    flex: 1;
}

.chain-hash {
    font-family: 'Courier New', monospace;
    color: var(--dark-navy);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.chain-level {
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.chain-time {
    color: var(--gray-text);
    font-size: 0.85rem;
}

.chain-arrow {
    text-align: center;
    color: var(--accent-blue);
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0.5rem 0;
}

/* Info Section */
.info-section {
    padding: 4rem 0;
    background: var(--light-gray);
}

.info-section h2 {
    font-size: 2rem;
    color: var(--dark-navy);
    margin-bottom: 2rem;
    text-align: center;
}

.provenance-explanation {
    background: var(--light-blue);
    padding: 2rem;
    border-radius: 8px;
    margin-top: 3rem;
}

.provenance-explanation h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.provenance-explanation p {
    color: var(--gray-text);
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background: white;
}

.faq-section h2 {
    font-size: 2rem;
    color: var(--dark-navy);
    margin-bottom: 2rem;
    text-align: center;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 8px;
    border-left: 4px solid var(--accent-blue);
}

.faq-item h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--gray-text);
    margin-bottom: 0.5rem;
}

.faq-item ul {
    color: var(--gray-text);
}

.faq-item li {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .drop-zone {
        padding: 2rem 1rem;
    }

    .upload-icon {
        font-size: 3rem;
    }

    .drop-zone h3 {
        font-size: 1.1rem;
    }

    .result-card {
        padding: 1.5rem;
    }

    .result-icon {
        font-size: 2.5rem;
    }

    .result-card h3 {
        font-size: 1.5rem;
    }

    .detail-row {
        flex-direction: column;
        gap: 0.25rem;
    }

    .detail-value {
        text-align: left;
    }

    .chain-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .hash-text {
        font-size: 0.75rem;
        padding: 0.75rem;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .provenance-explanation {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .privacy-notice {
        flex-direction: column;
        text-align: center;
    }

    .status-badge {
        font-size: 0.9rem;
        padding: 0.4rem 1rem;
    }
}