/**
 * QRMessage.net - Main Stylesheet
 * 
 * @version 1.0
 */

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

/* Global Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f5f5;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    padding: 60px 20px !important;
}

.hero-section h1 {
    font-weight: 700;
}

.hero-section .lead {
    color: rgba(255, 255, 255, 0.9);
}

/* Feature Cards */
.feature-icon {
    width: 80px;
    height: 80px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

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

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

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

/* Alert Notifications */
.notification-toast {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Loading Spinner */
#global-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    z-index: 9998;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Message List */
.list-group-item {
    transition: all 0.2s ease;
}

.list-group-item:hover {
    background-color: rgba(13, 110, 253, 0.05);
    transform: translateX(5px);
}

.list-group-item-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 4px solid #ffc107;
}

/* Tables */
.table-hover tbody tr {
    transition: all 0.2s ease;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.35rem 0.65rem;
}

/* File Upload */
.file-info {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--secondary-color);
}

/* QR Code Display */
.qr-code-container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Code Display */
code {
    background-color: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

/* Step Numbers */
.step-number {
    width: 60px;
    height: 60px;
    font-size: 24px;
    font-weight: bold;
}

/* Footer */
footer {
    margin-top: auto;
}

footer a:hover {
    text-decoration: underline !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 20px !important;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .notification-toast {
        right: 10px;
        left: 10px;
        min-width: auto;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }
    
    .card {
        background-color: #2d2d2d;
        color: #e0e0e0;
    }
    
    .bg-light {
        background-color: #2d2d2d !important;
    }
}

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}