/* URL Shortener - Main Styles */

/* Base Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 400px;
}

.hero-section .card {
    border: none;
    border-radius: 15px;
}

/* Features Section */
.features-section {
    background-color: #f8f9fa;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Stats Section */
.stats-section {
    background-color: #fff;
}

/* Dashboard Sidebar */
.sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 48px);
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
    padding: .75rem 1rem;
}

.sidebar .nav-link:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.sidebar .nav-link.active {
    color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.1);
}

/* Cards */
.card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-weight: 500;
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
}

.btn-lg {
    border-radius: 10px;
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    border-color: #667eea;
}

.input-group-text {
    border-radius: 8px 0 0 8px;
}

.input-group .form-control {
    border-radius: 0 8px 8px 0;
}

/* Tables */
.table th {
    font-weight: 600;
    border-top: none;
    color: #6c757d;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 10px;
}

/* Badges */
.badge {
    font-weight: 500;
    border-radius: 6px;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* QR Code */
#qrCodeImage {
    max-width: 200px;
    height: auto;
}

/* URL Copy Animation */
.copy-animation {
    animation: pulse 0.3s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Dark Sidebar for Admin */
.sidebar.bg-dark .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

.sidebar.bg-dark .nav-link:hover,
.sidebar.bg-dark .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 3rem 0 !important;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .sidebar {
        position: relative;
        top: 0;
        padding: 0;
    }
    
    main.col-md-10 {
        margin-left: 0 !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
}

/* Password Strength Indicator */
.password-strength {
    height: 4px;
    border-radius: 2px;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
}

.password-strength.weak {
    background-color: #dc3545;
    width: 33%;
}

.password-strength.medium {
    background-color: #ffc107;
    width: 66%;
}

.password-strength.strong {
    background-color: #28a745;
    width: 100%;
}