/* Global Styles */
:root {
    --primary-color: #1e88e5; /* Blue as primary */
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --card-bg-color: #ffffff;
    --text-color: #212529;
    --border-color: #dee2e6;
    --accent-color: #64b5f6; /* Secondary blue */
    --button-color: #0d47a1; /* Darker blue for buttons */
    --highlight-color: #29b6f6; /* Light blue highlight */
}

/* Dark Theme */
[data-theme="dark"] {
    --primary-color: #82b1ff; /* Brighter blue for dark mode */
    --secondary-color: #eeeeee; /* Lighter for better contrast */
    --background-color: #121212;
    --card-bg-color: #1e1e1e;
    --text-color: #ffffff; /* Pure white for better contrast */
    --border-color: #495057;
    --accent-color: #2196f3;
    --button-color: #42a5f5;
    --highlight-color: #40c4ff;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    font-family: 'Segoe UI', Arial, sans-serif;
}

/* Navbar styling */
.navbar .nav-link {
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.3s;
}

.navbar .nav-link:hover {
    color: var(--button-color);
    transform: translateY(-2px);
}

/* Logo styling */
.logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
}

.logo-text {
    line-height: 1.1;
}

.logo-text strong {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--text-color);
}

/* Custom button styles */
.btn-primary {
    background-color: var(--button-color);
    border-color: var(--button-color);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline-primary {
    color: var(--button-color);
    border-color: var(--button-color);
}

.btn-outline-primary:hover, .btn-check:checked + .btn-outline-primary {
    background-color: var(--button-color);
    border-color: var(--button-color);
    color: white;
}

/* Landing page headline styles */
.landing-headline {
    font-weight: 800;
    color: #000;
    font-size: 3rem;
    text-align: center;
}

.landing-subheadline {
    font-size: 1.8rem;
    opacity: 0.7;
    font-weight: 300;
}

/* Background word cloud */
.background-words {
    position: absolute;
    z-index: 0;
    opacity: 0.1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Tab styling */
.custom-tabs {
    background-color: #f0f0f0;
    border-radius: 15px;
    display: inline-flex;
    overflow: hidden;
    margin-bottom: 20px;
}

.custom-tab {
    padding: 8px 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s;
}

.custom-tab.active {
    background-color: var(--button-color);
    color: white;
}

/* Custom range input */
.custom-range-slider {
    width: 100%;
    accent-color: var(--button-color);
}

/* Card styles */
.card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card {
    background-color: var(--card-bg-color);
    border-color: var(--border-color);
    transition: background-color 0.3s;
}

.card-header, .card-footer {
    background-color: rgba(0, 0, 0, 0.03);
    border-color: var(--border-color);
}

[data-theme="dark"] .card-header, [data-theme="dark"] .card-footer {
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

/* Improve dark mode text visibility */
[data-theme="dark"] .card-body {
    color: #ffffff;
}

[data-theme="dark"] .form-label, 
[data-theme="dark"] .form-check-label,
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3, 
[data-theme="dark"] h4, 
[data-theme="dark"] h5, 
[data-theme="dark"] h6,
[data-theme="dark"] .form-check-input[type="checkbox"] + label,
[data-theme="dark"] .text-muted {
    color: #ffffff !important;
}

/* Dark mode logo text */
[data-theme="dark"] .logo-text span {
    color: #ffffff;
}

[data-theme="dark"] .logo-text strong {
    color: #82b1ff;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: #333;
    border-color: #444;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: #444;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(130, 177, 255, 0.25);
}

/* Color Preview Boxes */
.color-preview {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    display: inline-block;
    margin-right: 5px;
    vertical-align: middle;
}

.rainbow-bg {
    background: linear-gradient(90deg, red, orange, yellow, green, blue, indigo, violet);
}

/* Background preview boxes */
.bg-preview {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: inline-block;
    margin-right: 5px;
    vertical-align: middle;
}

/* Checker pattern for transparent background preview */
.checker-bg {
    background-image: linear-gradient(45deg, #ccc 25%, transparent 25%),
                     linear-gradient(-45deg, #ccc 25%, transparent 25%),
                     linear-gradient(45deg, transparent 75%, #ccc 75%),
                     linear-gradient(-45deg, transparent 75%, #ccc 75%);
    background-size: 10px 10px;
    background-position: 0 0, 0 5px, 5px -5px, -5px 0px;
}

/* Custom color palette styles */
.color-chip {
    height: 32px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    padding: 0 8px 0 0;
    position: relative;
    cursor: default;
}

.color-chip .color-preview {
    width: 32px;
    height: 32px;
    border-radius: 16px;
    margin-right: 8px;
}

.color-chip .color-value {
    font-size: 0.875rem;
    font-family: monospace;
}

.color-chip .remove-color {
    cursor: pointer;
    margin-left: 8px;
    transition: all 0.2s;
}

.color-chip .remove-color:hover {
    color: var(--primary-color);
}

/* Word Cloud Canvas Container */
#wordCloudCanvas {
    max-width: 100%;
    height: auto;
}

/* Loading Overlay */
#loadingOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

[data-theme="dark"] #loadingOverlay {
    background-color: rgba(33, 37, 41, 0.8);
}

/* Tooltip styling */
.word-tooltip {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    pointer-events: none;
    z-index: 100;
    font-size: 14px;
    max-width: 200px;
    transition: opacity 0.2s, transform 0.2s;
}

.word-tooltip-content {
    text-align: left;
}

.word-name {
    font-weight: bold;
    margin-bottom: 2px;
}

/* Empty State */
#emptyState {
    padding: 60px 20px;
    text-align: center;
}

#emptyState i {
    font-size: 4rem;
    opacity: 0.5;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
    .btn-group {
        display: flex;
        flex-wrap: wrap;
    }
    
    .btn-group .btn {
        flex: 1 0 auto;
        margin-bottom: 5px;
    }
}

/* Alerts */
.custom-alert {
    position: relative;
    z-index: 1050;
    animation: slideIn 0.3s ease-out forwards, fadeOut 0.5s ease-in 2.5s forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* File and URL previews */
#filePreview, #urlPreview {
    max-height: 150px;
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.02);
    padding: 10px;
    border-radius: 4px;
    font-size: 0.9rem;
}

[data-theme="dark"] #filePreview, [data-theme="dark"] #urlPreview {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Improved table visibility in dark mode */
[data-theme="dark"] .table {
    color: #ffffff;
    border-color: #444;
}

[data-theme="dark"] .table th,
[data-theme="dark"] .table td {
    border-color: #444;
}

[data-theme="dark"] .table-hover tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.075);
}

/* Improve empty state visibility in dark mode */
[data-theme="dark"] #emptyState {
    color: #ffffff;
}

[data-theme="dark"] #emptyState i {
    color: #82b1ff;
    opacity: 0.7;
}

[data-theme="dark"] #emptyState .text-muted {
    color: #aaaaaa !important;
}

/* Ad Container Styles */
.ad-container {
    border: 1px dashed #adb5bd;
    background-color: #f8f9fa;
    border-radius: 8px;
    min-height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    position: sticky;
    top: 20px;
}

.ad-container-horizontal {
    border: 1px dashed #adb5bd;
    background-color: #f8f9fa;
    border-radius: 8px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.ad-placeholder {
    font-size: 24px;
    font-weight: bold;
    color: #adb5bd;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Dark theme adjustments for ad containers */
[data-theme="dark"] .ad-container,
[data-theme="dark"] .ad-container-horizontal {
    background-color: #2d2d2d;
    border-color: #495057;
}

[data-theme="dark"] .ad-placeholder {
    color: #6c757d;
}