/**
 * ADVANCED IMAGE UI - Premium Medical Interface
 * Medical LyDian 2025 - Enterprise Healthcare System
 *
 * Features:
 * - Prominent "Return to Upload" button
 * - Medical image search interface
 * - Doctor query input with NLP suggestions
 * - Image gallery with CBIR visualization
 * - Audit log viewer
 * - Statistics dashboard
 */

/* ===== RETURN TO UPLOAD BUTTON ===== */
.return-to-upload-btn {
    position: relative;
    display: inline-flex;
    background: linear-gradient(135deg, #27AE60 0%, #0B5394 100%);
    color: #FFFFFF;
    border: none;
    border-radius: 14px;
    padding: 14px 24px;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: 'IBM Plex Sans', sans-serif;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(39, 174, 96, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: center;
    gap: 10px;
    margin-left: 12px;
}

.return-to-upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
    background: linear-gradient(135deg, #27AE60 20%, #0B5394 80%);
}

.return-to-upload-btn:active {
    transform: translateY(0);
}

.return-to-upload-btn svg {
    width: 20px;
    height: 20px;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

/* Mobile responsive - Hide button on mobile */
@media (max-width: 768px) {
    .return-to-upload-btn {
        display: none !important;
    }
}


/* ===== MEDICAL IMAGE SEARCH ENGINE ===== */
.medical-search-container {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 2.5rem;
    margin: 2rem 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border: 2px solid #E2E8F0;
    transition: all 0.3s ease;
}

.medical-search-container:hover {
    border-color: #0B5394;
    box-shadow: 0 12px 32px rgba(11, 83, 148, 0.12);
}

.search-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #E2E8F0;
}

.search-icon-container {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(11, 83, 148, 0.1), rgba(39, 174, 96, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: iconFloat 3s ease-in-out infinite;
}

.search-icon-container svg {
    width: 32px;
    height: 32px;
    color: #0B5394;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

.search-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1a1a1a;
    font-family: 'IBM Plex Sans', sans-serif;
    margin: 0;
}

.search-subtitle {
    font-size: 0.9375rem;
    color: #6b7280;
    margin: 0.25rem 0 0 0;
    font-weight: 500;
}

/* ===== DOCTOR QUERY INPUT ===== */
.doctor-query-section {
    margin-bottom: 2rem;
}

.query-input-wrapper {
    position: relative;
}

.doctor-query-input {
    width: 100%;
    padding: 18px 60px 18px 24px;
    font-size: 1rem;
    font-family: 'IBM Plex Sans', sans-serif;
    border: 2px solid #E2E8F0;
    border-radius: 14px;
    background: #FFFFFF;
    color: #1a1a1a;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.doctor-query-input:focus {
    outline: none;
    border-color: #0B5394;
    box-shadow: 0 4px 16px rgba(11, 83, 148, 0.15);
}

.doctor-query-input::placeholder {
    color: #9ca3af;
}

.query-submit-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #0B5394, #27AE60);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.query-submit-btn:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 4px 12px rgba(11, 83, 148, 0.3);
}

.query-submit-btn svg {
    width: 20px;
    height: 20px;
    color: #FFFFFF;
}

/* NLP Suggestions */
.nlp-suggestions {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.suggestion-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: linear-gradient(135deg, rgba(11, 83, 148, 0.05), rgba(39, 174, 96, 0.05));
    border: 1px solid rgba(11, 83, 148, 0.2);
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #0B5394;
    cursor: pointer;
    transition: all 0.3s ease;
}

.suggestion-chip:hover {
    background: linear-gradient(135deg, rgba(11, 83, 148, 0.1), rgba(39, 174, 96, 0.1));
    border-color: rgba(11, 83, 148, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(11, 83, 148, 0.15);
}

.suggestion-chip svg {
    width: 14px;
    height: 14px;
}

/* ===== SEARCH RESULTS ===== */
.search-results-container {
    margin-top: 2rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.results-count {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1a1a1a;
}

.results-count-number {
    color: #0B5394;
    font-weight: 700;
}

.sort-dropdown {
    padding: 0.625rem 1rem;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    background: #FFFFFF;
    font-size: 0.875rem;
    font-family: 'IBM Plex Sans', sans-serif;
    color: #1a1a1a;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sort-dropdown:hover {
    border-color: #0B5394;
}

/* ===== IMAGE GALLERY ===== */
.medical-image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.image-card {
    background: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid #E2E8F0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.image-card:hover {
    border-color: #0B5394;
    box-shadow: 0 8px 24px rgba(11, 83, 148, 0.15);
    transform: translateY(-4px);
}

.image-card-header {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 aspect ratio */
    background: linear-gradient(135deg, #F8F9FA, #E8F4FD);
    overflow: hidden;
}

.image-card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 0.5rem 0.875rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #0B5394;
    border: 1px solid rgba(11, 83, 148, 0.2);
}

.image-card-body {
    padding: 1.25rem;
}

.image-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.5rem 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.image-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: #6b7280;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.meta-item svg {
    width: 14px;
    height: 14px;
    color: #9ca3af;
}

.match-score {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #E2E8F0;
}

.score-bar {
    height: 6px;
    background: #E2E8F0;
    border-radius: 3px;
    overflow: hidden;
}

.score-fill {
    height: 100%;
    background: linear-gradient(90deg, #0B5394, #27AE60);
    border-radius: 3px;
    transition: width 0.6s ease;
}

.score-label {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: #6b7280;
}

.score-percent {
    font-weight: 700;
    color: #0B5394;
}

/* ===== STATISTICS DASHBOARD ===== */
.statistics-dashboard {
    background: linear-gradient(135deg, rgba(11, 83, 148, 0.03), rgba(39, 174, 96, 0.03));
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    border: 2px solid #E2E8F0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: #FFFFFF;
    border-radius: 14px;
    padding: 1.5rem;
    border: 1px solid #E2E8F0;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: #0B5394;
    box-shadow: 0 4px 12px rgba(11, 83, 148, 0.1);
    transform: translateY(-2px);
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: #0B5394;
    font-family: 'IBM Plex Mono', monospace;
}

.stat-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(11, 83, 148, 0.1), rgba(39, 174, 96, 0.1));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.stat-icon svg {
    width: 20px;
    height: 20px;
    color: #0B5394;
}

/* ===== AUDIT LOG VIEWER ===== */
.audit-log-container {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    border: 2px solid #E2E8F0;
    max-height: 600px;
    overflow-y: auto;
}

.audit-log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #E2E8F0;
}

.audit-log-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
}

.audit-filter-btn {
    padding: 0.625rem 1.25rem;
    background: linear-gradient(135deg, rgba(11, 83, 148, 0.1), rgba(39, 174, 96, 0.1));
    border: 1px solid rgba(11, 83, 148, 0.3);
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #0B5394;
    cursor: pointer;
    transition: all 0.3s ease;
}

.audit-filter-btn:hover {
    background: linear-gradient(135deg, rgba(11, 83, 148, 0.15), rgba(39, 174, 96, 0.15));
    border-color: rgba(11, 83, 148, 0.5);
}

.audit-entry {
    padding: 1rem;
    border-left: 4px solid #E2E8F0;
    margin-bottom: 1rem;
    background: #F8F9FA;
    border-radius: 0 10px 10px 0;
    transition: all 0.3s ease;
}

.audit-entry:hover {
    border-left-color: #0B5394;
    background: #FFFFFF;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.audit-entry.upload-action {
    border-left-color: #27AE60;
}

.audit-entry.error-action {
    border-left-color: #E74C3C;
}

.audit-entry.query-action {
    border-left-color: #0B5394;
}

.audit-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.audit-action {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #1a1a1a;
}

.audit-timestamp {
    font-size: 0.8125rem;
    color: #6b7280;
    font-family: 'IBM Plex Mono', monospace;
}

.audit-description {
    font-size: 0.875rem;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.audit-metadata {
    font-size: 0.75rem;
    color: #9ca3af;
    font-family: 'IBM Plex Mono', monospace;
    background: #FFFFFF;
    padding: 0.5rem;
    border-radius: 6px;
    margin-top: 0.5rem;
}

/* ===== LOADING STATES ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 64px;
    height: 64px;
    border: 4px solid #E2E8F0;
    border-top-color: #0B5394;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    margin-top: 1.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: #1a1a1a;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .medical-image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    .medical-search-container {
        padding: 1.5rem;
    }

    .search-title {
        font-size: 1.5rem;
    }

    .medical-image-gallery {
        grid-template-columns: 1fr;
    }

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

    .results-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .audit-log-container {
        padding: 1.5rem;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .return-to-upload-btn,
    .query-submit-btn,
    .audit-filter-btn {
        display: none !important;
    }

    .medical-image-gallery,
    .statistics-dashboard,
    .audit-log-container {
        break-inside: avoid;
    }

    .image-card {
        border: 1px solid #E2E8F0;
        box-shadow: none;
    }
}