/* Custom CSS for PPTXGen Web Application */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* Global Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Sticky Navbar */
.navbar.sticky-top {
    position: sticky;
    top: 0;
    z-index: 1020;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    min-height: 60vh;
    display: flex;
    align-items: center;
}

/* Cards */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border: none;
    border-radius: 12px;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: 2rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease-in-out;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Forms */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Demo Section Styles */
.demo-card {
    border-left: 4px solid var(--primary-color);
}

.difficulty-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
}

.difficulty-beginner {
    background-color: var(--success-color);
    color: white;
}

.difficulty-intermediate {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.difficulty-advanced {
    background-color: var(--danger-color);
    color: white;
}

/* File Upload Styles */
.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(13, 110, 253, 0.1);
}

/* Code Blocks */
.code-block {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
}

/* API Documentation Styles */
.api-method {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-right: 0.5rem;
}

.api-method.get {
    background-color: #d1ecf1;
    color: #0c5460;
}

.api-method.post {
    background-color: #d4edda;
    color: #155724;
}

.api-method.put {
    background-color: #fff3cd;
    color: #856404;
}

.api-method.delete {
    background-color: #f8d7da;
    color: #721c24;
}

/* Profile Page Styles */
.profile-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    color: white;
    padding: 2rem 0;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.stats-card {
    text-align: center;
    padding: 1.5rem;
}

.stats-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

/* Usage Charts */
.usage-chart {
    height: 200px;
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
}

/* API Key Styles */
.api-key-card {
    border-left: 4px solid var(--success-color);
}

.api-key-inactive {
    border-left-color: var(--secondary-color);
    opacity: 0.6;
}

.key-display {
    font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
    background-color: #f8f9fa;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid #e9ecef;
    font-size: 0.875rem;
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
}

.progress-bar {
    border-radius: 4px;
}

/* Alerts */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.5rem;
}

/* Footer */
footer {
    background-color: var(--dark-color) !important;
}

footer a:hover {
    color: var(--primary-color) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .code-block {
        background-color: #2d3748;
        color: #e2e8f0;
        border-color: #4a5568;
    }
    
    .file-upload-area {
        background-color: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-soft {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.border-primary-soft {
    border-color: rgba(13, 110, 253, 0.2) !important;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
}

/* Light Theme Global Text Visibility */
/* Keep navbar text white even in light mode (navbar is always dark) */
/* Ultra-specific selectors to override any light theme rules */
nav.navbar .nav-link,
nav.navbar .navbar-brand,
nav.navbar a.nav-link,
nav.navbar .navbar-nav .nav-link,
nav.navbar-dark .nav-link,
body.profile-light-theme nav.navbar .nav-link,
body.profile-light-theme nav.navbar .navbar-brand,
body.profile-light-theme nav.navbar a.nav-link,
body.pp-light-theme nav.navbar .nav-link,
body.pp-light-theme nav.navbar .navbar-brand,
body.docs-light-theme nav.navbar .nav-link,
body.docs-light-theme nav.navbar .navbar-brand,
body.pricing-light-theme nav.navbar .nav-link,
body.pricing-light-theme nav.navbar .navbar-brand {
    color: rgba(255, 255, 255, 0.85) !important;
}

nav.navbar .nav-link:hover,
nav.navbar-dark .nav-link:hover,
body.profile-light-theme nav.navbar .nav-link:hover,
body.pp-light-theme nav.navbar .nav-link:hover,
body.docs-light-theme nav.navbar .nav-link:hover,
body.pricing-light-theme nav.navbar .nav-link:hover {
    color: rgba(255, 255, 255, 1) !important;
}

/* Ensure all .text-white elements EXCEPT navbar are visible in light mode */
body.pp-light-theme .text-white:not(.navbar *):not(.navbar),
body.docs-light-theme .text-white:not(.navbar *):not(.navbar),
body.pricing-light-theme .text-white:not(.navbar *):not(.navbar),
body.profile-light-theme .text-white:not(.navbar *):not(.navbar) {
    color: #1e293b !important;
}

/* Ensure all headings EXCEPT navbar are dark in light mode for visibility */
body.pp-light-theme h1:not(.navbar *),
body.pp-light-theme h2:not(.navbar *),
body.pp-light-theme h3:not(.navbar *),
body.pp-light-theme h4:not(.navbar *),
body.pp-light-theme h5:not(.navbar *),
body.pp-light-theme h6:not(.navbar *),
body.docs-light-theme h1:not(.navbar *),
body.docs-light-theme h2:not(.navbar *),
body.docs-light-theme h3:not(.navbar *),
body.docs-light-theme h4:not(.navbar *),
body.docs-light-theme h5:not(.navbar *),
body.docs-light-theme h6:not(.navbar *),
body.pricing-light-theme h1:not(.navbar *),
body.pricing-light-theme h2:not(.navbar *),
body.pricing-light-theme h3:not(.navbar *),
body.pricing-light-theme h4:not(.navbar *),
body.pricing-light-theme h5:not(.navbar *),
body.pricing-light-theme h6:not(.navbar *),
body.profile-light-theme h1:not(.navbar *),
body.profile-light-theme h2:not(.navbar *),
body.profile-light-theme h3:not(.navbar *),
body.profile-light-theme h4:not(.navbar *),
body.profile-light-theme h5:not(.navbar *),
body.profile-light-theme h6:not(.navbar *) {
    color: #1e293b !important;
}