/* Stili personalizzati per GiveawayApp - VERSIONE MIGLIORATA */

:root {
    /* Colori primari */
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    /* Variabili per Light Mode */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #6c757d;
    --text-light: #ffffff;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --border-color: #dee2e6;
    --border-light: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
}

/* Dark Mode Variables */
html.dark-mode {
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --text-muted: #6c757d;
    --text-light: #212529;
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d3748;
    --bg-tertiary: #374151;
    --border-color: #4a5568;
    --border-light: #2d3748;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
}

/* Base Styles */
* {
    box-sizing: border-box;
}

/* Homepage specific styles */
.jumbotron {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
}

.jumbotron h1 {
    color: #212529;
    font-weight: 700;
}

.jumbotron .lead {
    color: #6c757d;
    font-size: 1.25rem;
}

/* Card hover effects only */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
}

p {
    color: var(--text-primary);
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Form Controls */
.form-control {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: var(--bg-primary);
    border-color: var(--primary-color);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: 0 2px 4px var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 8px var(--shadow-hover);
}

.card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
}

.card-body {
    color: var(--text-primary);
}

.card-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
}

.card-title {
    color: var(--text-primary);
}

.card-text {
    color: var(--text-secondary);
}

/* Tables */
.table {
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.table-striped > tbody > tr:nth-of-type(odd) > td {
    background-color: var(--bg-secondary);
}

.table-hover > tbody > tr:hover > td {
    background-color: var(--bg-tertiary);
}

.table th {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.table td {
    border-color: var(--border-color);
}

/* Navigation */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px var(--shadow);
}

.navbar-brand,
.navbar-nav .nav-link {
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.navbar-brand:hover,
.navbar-nav .nav-link:hover {
    color: var(--primary-color);
}

/* Mobile Menu Styles */
.navbar-toggler {
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.navbar-toggler:hover {
    background-color: var(--bg-secondary);
    border-color: var(--primary-color);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.navbar-toggler i {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.navbar-toggler:hover i {
    color: var(--primary-color);
}

.navbar-collapse {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: 0.375rem;
        margin-top: 0.5rem;
        padding: 1rem;
        box-shadow: 0 4px 8px var(--shadow);
    }
    
    .navbar-nav {
        flex-direction: column;
        width: 100%;
    }
    
    .navbar-nav .nav-item {
        margin-bottom: 0.25rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0.375rem;
        transition: all 0.3s ease;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: var(--bg-secondary);
        color: var(--primary-color);
    }
    
    .navbar-nav .dropdown-menu {
        position: static;
        float: none;
        width: 100%;
        margin-top: 0;
        background-color: var(--bg-secondary);
        border: 1px solid var(--border-color);
        box-shadow: none;
        border-radius: 0.375rem;
        margin-top: 0.5rem;
    }
    
    .navbar-nav .dropdown-item {
        padding: 0.5rem 1rem;
        border-radius: 0.25rem;
        margin-bottom: 0.25rem;
    }
    
    .navbar-nav .dropdown-item:hover {
        background-color: var(--bg-tertiary);
    }
    
    /* Stili specifici per dropdown admin su mobile */
    .navbar-nav .dropdown-menu.show {
        display: block !important;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        transition: all 0.3s ease;
    }
    
    .navbar-nav .dropdown-menu {
        display: none;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }
    
    /* Migliora l'aspetto del dropdown toggle su mobile */
    .navbar-nav .dropdown-toggle::after {
        margin-left: 0.5rem;
        transition: transform 0.3s ease;
    }
    
    .navbar-nav .dropdown-toggle[aria-expanded="true"]::after {
        transform: rotate(180deg);
    }
    
    /* Mantieni il menu aperto quando si clicca sui dropdown */
    .navbar-nav .dropdown-toggle:focus {
        box-shadow: none;
    }
    
    .navbar-nav .dropdown-toggle:focus + .dropdown-menu {
        display: block !important;
    }
    
    /* Mantieni il menu aperto quando si clicca sui dropdown */
    .navbar-nav .dropdown-toggle:focus {
        box-shadow: none;
    }
    
    .navbar-nav .dropdown-toggle:focus + .dropdown-menu {
        display: block !important;
    }
}

/* Dropdowns */
.dropdown-menu {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 8px var(--shadow);
}

.dropdown-item {
    color: var(--text-primary);
    transition: background-color 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.dropdown-divider {
    border-top: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
    border-color: #545b62;
}

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

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-outline-secondary {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    background-color: transparent;
}

.btn-outline-secondary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.btn-outline-danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
    background-color: transparent;
}

.btn-outline-danger:hover {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

.btn-outline-success {
    color: var(--success-color);
    border-color: var(--success-color);
    background-color: transparent;
}

.btn-outline-success:hover {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.btn-outline-warning {
    color: var(--warning-color);
    border-color: var(--warning-color);
    background-color: transparent;
}

.btn-outline-warning:hover {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: #212529;
}

.btn-outline-info {
    color: var(--info-color);
    border-color: var(--info-color);
    background-color: transparent;
}

.btn-outline-info:hover {
    background-color: var(--info-color);
    border-color: var(--info-color);
    color: white;
}

.btn-outline-dark {
    color: var(--text-primary);
    border-color: var(--border-color);
    background-color: transparent;
}

.btn-outline-dark:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

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

.btn-outline-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Alerts */
.alert {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Dark Mode Alert Overrides */
html.dark-mode .alert-success {
    background-color: #1a4d1a;
    border-color: #28a745;
    color: #d4edda;
}

html.dark-mode .alert-danger {
    background-color: #4d1a1a;
    border-color: #dc3545;
    color: #f8d7da;
}

html.dark-mode .alert-warning {
    background-color: #4d3d1a;
    border-color: #ffc107;
    color: #fff3cd;
}

html.dark-mode .alert-info {
    background-color: #1a3d4d;
    border-color: #17a2b8;
    color: #d1ecf1;
}

/* Text Utilities */
.text-muted {
    color: var(--text-muted) !important;
}

.text-primary {
    color: var(--text-primary) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

/* Background Utilities */
.bg-light {
    background-color: var(--bg-secondary) !important;
}

.bg-dark {
    background-color: var(--bg-tertiary) !important;
}

/* Border Utilities */
.border {
    border-color: var(--border-color) !important;
}

.border-light {
    border-color: var(--border-light) !important;
}

/* Modal */
.modal-content {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.modal-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* Upload Area */
.upload-area {
    background-color: var(--bg-primary);
    border: 2px dashed var(--border-color);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.1);
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    background: none;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1.1rem;
    box-shadow: 0 2px 4px var(--shadow);
}

.dark-mode-toggle:hover {
    background-color: var(--bg-secondary);
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 4px 8px var(--shadow-hover);
}

.dark-mode-toggle-small {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.25rem;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 0.875rem;
}

.dark-mode-toggle-small:hover {
    background-color: var(--bg-secondary);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

/* Special Components */
.shortlink-display {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 1.2rem;
    font-weight: bold;
    background: linear-gradient(45deg, #007bff, #6610f2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hit-counter {
    background: linear-gradient(45deg, #28a745, #20c997);
    border: none;
    color: white;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.leaderboard-card {
    border: 2px solid #ffc107;
    box-shadow: 0 0 20px rgba(255, 193, 7, 0.3);
}

.position-medal {
    font-size: 1.5rem;
}

.giveaway-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    overflow: hidden;
}

.giveaway-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-hover);
}

.giveaway-card img {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.giveaway-card:hover img {
    transform: scale(1.05);
}

/* Giveaway Cards - Home Page Improvements */
.giveaway-card .row.g-2 {
    margin-left: -0.25rem;
    margin-right: -0.25rem;
}

.giveaway-card .row.g-2 > * {
    padding-left: 0.25rem;
    padding-right: 0.25rem;
}

.giveaway-card .border.rounded.p-2 {
    border-color: #dee2e6 !important;
    background-color: #f8f9fa !important;
    transition: all 0.2s ease;
}

.giveaway-card .border.rounded.p-2:hover {
    background-color: #e9ecef !important;
    border-color: #adb5bd !important;
}

.giveaway-card .h6 {
    font-size: 1.1rem;
    font-weight: 700;
}

.giveaway-card .text-primary {
    color: #0d6efd !important;
}

.giveaway-card .text-success {
    color: #198754 !important;
}

/* Mobile specific improvements for giveaway cards */
@media (max-width: 768px) {
    .giveaway-card .row.g-2 {
        margin-left: -0.125rem;
        margin-right: -0.125rem;
    }
    
    .giveaway-card .row.g-2 > * {
        padding-left: 0.125rem;
        padding-right: 0.125rem;
    }
    
    .giveaway-card .border.rounded.p-2 {
        padding: 0.5rem !important;
    }
    
    .giveaway-card .h6 {
        font-size: 1rem;
    }
    
    .giveaway-card small {
        font-size: 0.75rem;
    }
}

/* Countdown */
#countdown {
    font-family: 'Monaco', 'Menlo', monospace;
    font-weight: bold;
    color: var(--text-primary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
}

.toast {
    min-width: 300px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Loading Animations */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--bg-secondary);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Breadcrumbs */
.breadcrumb {
    background-color: var(--bg-secondary);
    border-radius: 0.375rem;
}

.breadcrumb-item a {
    color: var(--text-primary);
}

.breadcrumb-item.active {
    color: var(--text-muted);
}

/* Pagination */
.page-link {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.page-link:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Badges */
.badge {
    color: white;
}

.badge.bg-light {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

.badge.bg-dark {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

.badge.bg-secondary {
    background-color: var(--secondary-color) !important;
    color: white !important;
}

/* Progress Bars */
.progress {
    background-color: var(--bg-secondary);
}

.progress-bar {
    background-color: var(--primary-color);
}

/* Breadcrumb */
.breadcrumb {
    background-color: var(--bg-secondary);
    border-radius: 0.375rem;
}

.breadcrumb-item {
    color: var(--text-secondary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

/* Pagination */
.pagination .page-link {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.pagination .page-link:hover {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination .page-item.disabled .page-link {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-muted);
}

/* List Groups */
.list-group-item {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.list-group-item:hover {
    background-color: var(--bg-secondary);
}

/* Input Groups */
.input-group-text {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Close Button */
.btn-close {
    filter: invert(1);
}

html.dark-mode .btn-close {
    filter: invert(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .display-5 {
        font-size: 2rem;
    }

    .btn-lg {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }

    .shortlink-display {
        font-size: 1rem;
        word-break: break-all;
    }
}

/* Print Styles */
@media print {
    body {
        background-color: white !important;
        color: black !important;
    }
    
    .card {
        background-color: white !important;
        border: 1px solid #000 !important;
    }
    
    .navbar {
        display: none !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --text-muted: #666666;
        --bg-primary: #ffffff;
        --bg-secondary: #f0f0f0;
        --border-color: #000000;
    }
    
    html.dark-mode {
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --text-muted: #999999;
        --bg-primary: #000000;
        --bg-secondary: #333333;
        --border-color: #ffffff;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}