/* Unnanu Color Palette */
:root {
    --primary: #256CDE;
    --primary: #256CDE;
    --accent: #00d4ff;
    --light: #f6f9fc;
    --dark: #0a2540;
    --success: #32d583;
    --warning: #ffc107;
    --danger: #ff4d4f;
    --gray: #8898aa;
    --gray-light: #e9ecef;
    --gray-dark: #32325d;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* Ensure minimum height is full viewport */
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Layout */
header {
    background-color: var(--primary);
    color: white;
    padding: 2rem;
    text-align: center;
}

.logo-container {
    margin-bottom: 0.01rem;
}

.logo {
    height: 100px;
}

main {
    flex: 1; /* This makes main take up all available space */
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

footer {
    background-color: var(--primary);
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: auto; /* Push to bottom */
}

/* Tabs */
.tabs {
    display: flex;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--gray-light);
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--gray);
    position: relative;
}

.tab-btn.active {
    color: var(--primary);
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

.btn.primary:hover {
    background-color: #256CDE;
}

.btn.secondary {
    background-color: var(--gray-light);
    color: var(--gray-dark);
}

.btn.secondary:hover {
    background-color: #dde1e5;
}

/* Search Section */
.search-container {
    margin-bottom: 2rem;
}

.search-options {
    display: flex;
    margin-bottom: 1rem;
}

.search-option {
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray);
    border-bottom: 2px solid transparent;
}

.search-option.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    font-weight: 500;
}

.search-form {
    display: none;
    margin-bottom: 1.5rem;
}

.search-form.active {
    display: block;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    position: relative; /* For autocomplete dropdown positioning */
}

input[type="text"], input[type="file"] {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--gray-light);
    border-radius: 4px;
    font-size: 1rem;
}

input[type="file"] {
    display: none;
}

.file-upload-label {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--gray-light);
    border-radius: 4px;
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.file-upload-label:hover {
    border-color: var(--primary);
}

/* Results */
.results-container {
    margin-top: 2rem;
    min-height: 300px; /* Add minimum height to ensure space */
}

/* Regular search results grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Show 3 results per row */
    gap: 1.5rem; /* Increased gap between items */
}

/* For smaller screens, show 2 per row */
@media (max-width: 992px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr); /* Show 2 results per row on medium screens */
    }
}

/* For mobile screens, show 1 per row */
@media (max-width: 576px) {
    .results-grid {
        grid-template-columns: 1fr; /* Show 1 result per row on small screens */
    }
}

.result-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background-color: white;
    transition: transform 0.2s ease;
    width: 100%; /* Ensure cards take full width of their grid cell */
}

.result-card:hover {
    transform: translateY(-5px);
}

.result-image {
    width: 100%;
    height: 220px; /* Increased height for better visibility */
    object-fit: cover;
}

.result-content {
    padding: 1.25rem; /* Increased padding for better spacing */
}

.result-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.result-metadata {
    font-size: 0.9rem;
    color: var(--gray);
}

.result-score {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--accent);
    color: var(--dark);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Metadata Section */
.metadata-preview {
    display: flex;
    gap: 2rem;
    margin: 1.5rem 0;
}

.metadata-image {
    flex: 0 0 300px;
}

.metadata-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.metadata-content {
    flex: 1;
}

.metadata-section {
    margin-bottom: 1.5rem;
}

.metadata-section h4 {
    margin-bottom: 0.5rem;
    color: var(--gray-dark);
    font-weight: 600;
}

.metadata-objects {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.object-card {
    background-color: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.object-property {
    margin-bottom: 0.5rem;
}

.object-property span {
    font-weight: 600;
    color: var(--gray-dark);
}

.metadata-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.keyword {
    background-color: var(--gray-light);
    color: var(--gray-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.metadata-json {
    margin-top: 2rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
}

.metadata-json pre {
    white-space: pre-wrap;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

/* Utility Classes */
.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s ease-in-out infinite;
    margin: 0 auto;
}

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

.error-message {
    color: var(--danger);
    padding: 1rem;
    background-color: rgba(255, 77, 79, 0.1);
    border-radius: 4px;
    margin: 1rem 0;
}

.success-message {
    color: var(--success);
    padding: 1rem;
    background-color: rgba(50, 213, 131, 0.1);
    border-radius: 4px;
    margin: 1rem 0;
}

.product-terms-blocks {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.product-term-block {
    display: inline-block;
    padding: 0.3rem 0.9rem;
    border-radius: 16px;
    font-size: 0.95rem;
    font-weight: 500;
    color: white;
    background: var(--primary);
    margin-bottom: 0.2rem;
    box-shadow: 0 1px 4px rgba(99,91,255,0.08);
    transition: background 0.2s;
}

/* --- Autocomplete Dropdown Styles --- */
.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    border: 1px solid var(--gray-light);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(10,37,64,0.12), 0 1.5px 4px rgba(99,91,255,0.08);
    margin-top: 0.25rem;
    padding: 0.25rem 0;
    max-height: 260px;
    overflow-y: auto;
    min-width: 180px;
    font-size: 1rem;
    display: none;
}

.autocomplete-suggestion {
    padding: 0.65rem 1.25rem;
    cursor: pointer;
    color: var(--dark);
    transition: background 0.15s, color 0.15s;
    border: none;
    background: none;
    font-size: 1rem;
    line-height: 1.2;
}

.autocomplete-suggestion:not(:last-child) {
    border-bottom: 1px solid var(--gray-light);
}

.autocomplete-suggestion:hover, .autocomplete-suggestion.active {
    background: var(--primary);
    color: #fff;
}

@media (max-width: 600px) {
    .autocomplete-suggestions {
        font-size: 0.95rem;
        min-width: 120px;
    }
}
/* --- End Autocomplete Styles --- */

/* Comparison View Styles */
.comparison-container {
    width: 100%;
    margin-top: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 100%;
}

.comparison-columns {
    display: flex;
    gap: 0;
    align-items: stretch;
}

.comparison-column {
    flex: 1;
    border: none;
    border-radius: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.comparison-column:first-child {
    border-right: 1px solid var(--gray-light);
}

.comparison-header {
    background-color: var(--primary);
    color: white;
    padding: 12px 15px;
    font-weight: 600;
    text-align: center;
    font-size: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.comparison-results {
    padding: 15px;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Style the result cards in comparison view */
.comparison-results .result-card {
    margin-bottom: 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
    width: 100%;
}

.comparison-results .result-card:first-child {
    order: -1; /* Ensure first result is at the top */
}

.comparison-results .result-card:hover {
    transform: translateY(-3px);
}

.comparison-results .result-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.comparison-results .result-content {
    padding: 12px;
}

.comparison-results .result-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.comparison-results .result-metadata {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 8px;
}

.comparison-results .result-score {
    display: inline-block;
    padding: 3px 8px;
    background-color: var(--accent);
    color: var(--dark);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 5px;
}

.comparison-results .result-match-type {
    font-size: 12px;
    color: var(--gray);
    margin-top: 4px;
}

.comparison-results .product-term-block {
    display: inline-block;
    background-color: var(--gray-light);
    color: var(--gray-dark);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-right: 5px;
    margin-bottom: 5px;
}

.no-results-message {
    padding: 30px 20px;
    text-align: center;
    color: var(--gray);
    font-style: italic;
}

/* Make comparison view responsive */
@media (max-width: 768px) {
    .comparison-columns {
        flex-direction: column;
    }
    
    .comparison-column:first-child {
        border-right: none;
        border-bottom: 1px solid var(--gray-light);
    }
}