/* Global Styles */
:root {
    /* Light theme variables */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #3498db;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.15);
    --transition-speed: 0.3s;
}

[data-bs-theme="dark"] {
    /* Dark theme variables */
    --bg-primary: #212529;
    --bg-secondary: #343a40;
    --bg-card: #2c3034;
    --text-color: #f8f9fa;
    --text-muted: #adb5bd;
    --border-color: #495057;
    --primary-color: #0d6efd;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #3498db;
    --light-bg: #1a1e21;
    --dark-bg: #e9ecef;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
    --card-shadow-hover: 0 6px 12px rgba(0, 0, 0, 0.6);
    --transition-speed: 0.3s;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Dark Theme */
body.dark-theme {
    background-color: #1a1e21;
    color: #e9ecef;
}

body.dark-theme .navbar {
    background-color: #141619 !important;
}

body.dark-theme .modern-card {
    background-color: #212529;
    border-color: #373b3e;
}

body.dark-theme .form-control {
    background-color: #2c3034;
    border-color: #373b3e;
    color: #e9ecef;
}

body.dark-theme .form-control:focus {
    background-color: #2c3034;
    border-color: #4a90e2;
    color: #e9ecef;
}

body.dark-theme .input-group-text {
    background-color: #2c3034;
    border-color: #373b3e;
    color: #e9ecef;
}

body.dark-theme .btn-outline-secondary {
    color: #e9ecef;
    border-color: #373b3e;
}

body.dark-theme .btn-outline-secondary:hover {
    background-color: #373b3e;
    color: #fff;
}

body.dark-theme .text-muted {
    color: #adb5bd !important;
}

body.dark-theme pre {
    background-color: #2c3034 !important;
    border: 1px solid #373b3e;
    color: #e9ecef;
}

body.dark-theme code {
    color: #4a90e2;
}

body.dark-theme .accordion-item {
    background-color: #212529;
    border-color: #373b3e;
}

body.dark-theme .accordion-button {
    background-color: #2c3034;
    color: #e9ecef;
    border-color: #373b3e;
}

body.dark-theme .accordion-button:not(.collapsed) {
    background-color: #2c3034;
    color: #e9ecef;
}

body.dark-theme .accordion-button::after {
    filter: invert(1);
}

body.dark-theme .accordion-body {
    background-color: #212529;
    color: #e9ecef;
}

/* API Key specific dark mode styles */
body.dark-theme .api-key-display {
    background-color: #2c3034;
}

body.dark-theme #apiKeyInput {
    background-color: #2c3034;
    color: #e9ecef;
    border-color: #373b3e;
}

body.dark-theme #apiKeyInput:read-only {
    background-color: #2c3034;
}

body.dark-theme .api-endpoint pre {
    background-color: #2c3034 !important;
    border-color: #373b3e;
}

/* Ensure buttons maintain visibility in dark mode */
body.dark-theme .btn-primary {
    background-color: #4a90e2;
    border-color: #4a90e2;
}

body.dark-theme .btn-primary:hover {
    background-color: #357abd;
    border-color: #357abd;
}

body.dark-theme .btn-outline-primary {
    color: #4a90e2;
    border-color: #4a90e2;
}

body.dark-theme .btn-outline-primary:hover {
    background-color: #4a90e2;
    color: #fff;
}

/* Dark mode scrollbar */
body.dark-theme ::-webkit-scrollbar {
    width: 12px;
}

body.dark-theme ::-webkit-scrollbar-track {
    background: #2c3034;
}

body.dark-theme ::-webkit-scrollbar-thumb {
    background-color: #373b3e;
    border-radius: 6px;
    border: 3px solid #2c3034;
}

body.dark-theme ::-webkit-scrollbar-thumb:hover {
    background-color: #4a4d50;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.bg-dark {
    --bs-bg-opacity: 1;
    background-color: #141619;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: color var(--transition-speed);
}

.nav-link i {
    margin-right: 0.5rem;
}

/* Cards */
.modern-card {
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    text-align: center;
    padding: 1.5rem;
    border-radius: 8px;
    background: rgba(74, 144, 226, 0.05);
    transition: background-color var(--transition-speed);
}

/* Center the last feature item if it's alone in its row */
.feature-item:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 200px;
    margin: 0 auto;
}

.feature-item:hover {
    background: rgba(74, 144, 226, 0.1);
}

.feature-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all var(--transition-speed);
}

.btn-lg {
    padding: 1rem 2rem;
}

.btn i {
    margin-right: 0.5rem;
}

/* Override margin for icon-only buttons */
.btn-sm i {
    margin-right: 0;
}

/* Quick Actions */
.quick-actions .btn {
    text-align: left;
    position: relative;
    overflow: hidden;
}

.quick-actions .btn i {
    margin-right: 1rem;
    font-size: 1.2rem;
}

/* Recent Activity */
.activity-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item i {
    margin-right: 1rem;
    color: var(--primary-color);
}

.activity-item small {
    margin-left: auto;
    color: #6c757d;
}

/* Alerts */
.alert {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    min-width: 300px;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--primary-color);
    border-radius: 10px;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    background-color: var(--bg-secondary);
}

.upload-area:hover,
.upload-area.dragover {
    background-color: var(--bg-hover);
    border-color: var(--info-color);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.upload-area .btn {
    margin-top: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s ease;
}

.upload-area .btn:hover {
    background-color: #357abd;
    color: white;
}

.upload-area .btn i {
    font-size: 1.2rem;
    margin: 0;
    color: white;
}

/* Dark theme specific upload area styles */
body.dark-theme .upload-area {
    background-color: #212529;
    border-color: var(--primary-color);
}

body.dark-theme .upload-area:hover,
body.dark-theme .upload-area.dragover {
    background-color: rgba(74, 144, 226, 0.1);
}

body.dark-theme .upload-area .btn {
    background-color: var(--primary-color);
    color: white;
}

body.dark-theme .upload-area .btn:hover {
    background-color: #357abd;
    color: white;
}

body.dark-theme .upload-area .btn i {
    color: white;
}

/* Image Grid */
.thumbnail {
    position: relative;
    padding-top: 75%;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed);
}

.thumbnail:hover img {
    transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .modern-card {
        padding: 1.5rem;
    }

    .alert {
        width: calc(100% - 40px);
        min-width: auto;
    }
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Progress Bars */
.progress {
    height: 0.5rem;
    border-radius: 0.25rem;
    background-color: rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

/* Form Controls */
.form-control {
    border-radius: 6px;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 144, 226, 0.25);
}

/* API Key Display */
.api-key-display {
    background: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: 6px;
    font-family: monospace;
    word-break: break-all;
}

/* System Stats */
.system-stat {
    margin-bottom: 1.5rem;
}

.system-stat .progress {
    margin-top: 0.5rem;
}

/* Table Styles */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    background-color: rgba(0, 0, 0, 0.02);
}

.table td, .table th {
    padding: 1rem;
    vertical-align: middle;
}

/* Modal Styles */
.modal-content {
    border-radius: 10px;
    border: none;
    box-shadow: var(--card-shadow);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
}

body.dark-theme .form-control::placeholder {
    color: #6c757d;
}

/* Image Preview Overlay */
.image-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-preview-overlay.active {
    display: flex;
    opacity: 1;
}

.preview-content {
    position: relative;
    max-width: 95vw;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.preview-header {
    text-align: center;
    color: white;
    font-size: 0.9rem;
    opacity: 0.8;
}

.preview-image {
    max-width: 95vw;
    max-height: calc(95vh - 120px);
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.preview-footer {
    display: flex;
    gap: 20px;
    justify-content: center;
    width: 100%;
    padding: 0 20px;
}

.preview-footer .btn {
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
}

.preview-footer .btn i {
    font-size: 16px;
}

/* Dark theme overrides for preview */
body.dark-theme .preview-footer .btn-light {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
}

body.dark-theme .preview-footer .btn-light:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Image Grid Button Styles */
.modern-card .btn-sm {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 2px;
}

.modern-card .btn-sm i {
    font-size: 14px;
    line-height: 1;
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
}

/* Favorite and Delete button styles */
.modern-card .btn-warning,
.modern-card .btn-outline-warning {
    border: 1px solid #ffc107;
}

.modern-card .btn-warning {
    background-color: #ffc107;
    color: #000;
}

.modern-card .btn-warning:hover {
    background-color: #ffca2c;
    border-color: #ffca2c;
}

.modern-card .btn-outline-warning {
    background-color: transparent;
    color: #ffc107;
}

.modern-card .btn-outline-warning:hover {
    background-color: #ffc107;
    color: #000;
}

.modern-card .btn-danger {
    background-color: #dc3545;
    color: white;
    border: 1px solid #dc3545;
}

.modern-card .btn-danger:hover {
    background-color: #bb2d3b;
    border-color: #bb2d3b;
}

/* Dark theme button styles */
body.dark-theme .modern-card .btn-warning {
    background-color: #ffc107;
    color: #000;
}

body.dark-theme .modern-card .btn-outline-warning {
    color: #ffc107;
    background-color: transparent;
}

body.dark-theme .modern-card .btn-outline-warning:hover {
    background-color: #ffc107;
    color: #000;
}

.btn-link.nav-link#themeToggle {
    width: 40px;
    height: 40px;
    padding: 0;
    margin: 0 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.btn-link.nav-link#themeToggle i {
    font-size: 18px;
    margin: 0;
    padding: 0;
    line-height: 1;
}

/* Override the default nav-link i margin */
.nav-link#themeToggle i {
    margin-right: 0;
}

.btn-link.nav-link#themeToggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Dark theme specific styles */
body.dark-theme .btn-link.nav-link#themeToggle {
    color: #e9ecef;
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-theme .btn-link.nav-link#themeToggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Override margin for icon-only buttons */
#themeToggle i {
    margin-right: 0;
}

.btn-close-custom {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    border: none;
    padding: 0;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: white;
}

.btn-close-custom:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.btn-close-custom i {
    font-size: 14px;
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    line-height: 1;
}

/* Dark theme overrides for preview */
body.dark-theme .btn-close-custom {
    background-color: rgba(33, 37, 41, 0.8);
}

body.dark-theme .btn-close-custom:hover {
    background-color: rgba(33, 37, 41, 0.9);
}

/* Image Grid Card Styles */
.image-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.image-card .upload-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.image-card .thumbnail {
    margin-bottom: 1rem;
}

.image-card .action-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    width: 100%;
}

.image-card .action-buttons .btn {
    width: 100%;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.image-card .action-buttons .btn i {
    font-size: 1rem;
    margin: 0;
}