/* ===================================
   LUKESHOP - WEBSHOP PLATTFORM
   Haupt-Stylesheet
   =================================== */

/* ===================================
   VARIABLEN & GRUNDLAGEN
   =================================== */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition: all 0.15s ease-in-out;
}

/* ===================================
   GLOBALE STYLES
   =================================== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fa;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.navbar {
    box-shadow: var(--box-shadow);
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
}

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

.navbar-nav .nav-link {
    font-weight: 500;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    color: var(--warning-color) !important;
    transform: translateY(-1px);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 5;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ===================================
   KARTEN & COMPONENTS
   =================================== */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, var(--light-color), #e9ecef);
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
}

.card-title {
    color: var(--primary-color);
    font-weight: 600;
}

/* ===================================
   PRODUKT-KARTEN
   =================================== */
.product-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card .card-img-top {
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

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

/* Werbungsartikel Styles */
.product-card.border-danger {
    border: 2px solid var(--danger-color) !important;
    box-shadow: 0 0.25rem 0.5rem rgba(220, 53, 69, 0.2);
}

.product-card.border-danger:hover {
    box-shadow: 0 0.5rem 1rem rgba(220, 53, 69, 0.3);
    transform: translateY(-3px);
}

.product-card .position-absolute .badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    z-index: 10;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.2);
}

/* Werbungspreis Styles */
.price .text-danger {
    font-weight: bold;
    font-size: 1.1em;
}

.price .text-decoration-line-through {
    font-size: 0.9em;
    opacity: 0.7;
}

/* Modal Werbungsartikel Styles */
.modal-content.border-danger {
    border: 2px solid var(--danger-color) !important;
    box-shadow: 0 0.25rem 0.5rem rgba(220, 53, 69, 0.2);
}

.modal-content.border-danger .modal-header {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1), rgba(220, 53, 69, 0.05));
    border-bottom: 1px solid var(--danger-color);
}

.product-price {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--success-color);
}

.product-stock {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

.stock-low {
    color: var(--warning-color);
}

.stock-out {
    color: var(--danger-color);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    padding: 0.5rem 1rem;
    position: relative;
    z-index: 10;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #1e7e34);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #e0a800);
    color: var(--dark-color);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #c82333);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color), #138496);
}

/* ===================================
   FORMULARE
   =================================== */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #ced4da;
    transition: var(--transition);
}

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

.form-label {
    font-weight: 500;
    color: var(--dark-color);
}

.form-select {
    border-radius: var(--border-radius);
}

/* ===================================
   TABELLEN
   =================================== */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table thead th {
    background: linear-gradient(135deg, var(--light-color), #e9ecef);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    color: var(--dark-color);
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

/* ===================================
   BADGES & STATUS
   =================================== */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 1rem;
}

.status-pending {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.status-processing {
    background-color: var(--info-color);
    color: white;
}

.status-shipped {
    background-color: var(--primary-color);
    color: white;
}

.status-delivered {
    background-color: var(--success-color);
    color: white;
}

.status-cancelled {
    background-color: var(--danger-color);
    color: white;
}

/* ===================================
   SIDEBAR
   =================================== */
.sidebar {
    position: sticky;
    top: 1rem;
    height: calc(100vh - 2rem);
    overflow-y: auto;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.sidebar .nav-link {
    color: var(--dark-color);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin: 0.125rem 0.5rem;
    transition: var(--transition);
}

.sidebar .nav-link:hover {
    background-color: rgba(0, 123, 255, 0.1);
    color: var(--primary-color);
}

.sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

/* ===================================
   DASHBOARD
   =================================== */
.dashboard-stats {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

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

.dashboard-stats .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.dashboard-stats .number {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.dashboard-stats .label {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

/* ===================================
   WARENKORB
   =================================== */
.cart-item {
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    background: white;
    transition: var(--transition);
}

.cart-item:hover {
    box-shadow: var(--box-shadow);
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.cart-summary {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 1rem;
}

/* ===================================
   ALERTS & MESSAGES
   =================================== */
.alert {
    border: none;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    border-left-color: var(--success-color);
    color: #155724;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    border-left-color: var(--danger-color);
    color: #721c24;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-left-color: var(--warning-color);
    color: #856404;
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    border-left-color: var(--info-color);
    color: #0c5460;
}

/* ===================================
   MODALS
   =================================== */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.modal-header {
    background: linear-gradient(135deg, var(--light-color), #e9ecef);
    border-bottom: 1px solid #dee2e6;
}

.modal-title {
    font-weight: 600;
    color: var(--dark-color);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: linear-gradient(135deg, var(--dark-color), #495057);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer h5 {
    color: var(--warning-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--warning-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    margin-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .sidebar {
        position: static;
        height: auto;
        margin-bottom: 1rem;
    }
    
    .dashboard-stats .number {
        font-size: 1.5rem;
    }
    
    .card-img-top {
        height: 150px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* ===================================
   ANIMATIONEN
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.pulse {
    animation: pulse 2s infinite;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success-color), #1e7e34);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--warning-color), #e0a800);
}

.bg-gradient-danger {
    background: linear-gradient(135deg, var(--danger-color), #c82333);
}

.shadow-hover {
    transition: var(--transition);
}

.shadow-hover:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* ===================================
   LOADING SPINNER
   =================================== */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .navbar,
    .sidebar,
    .btn,
    .modal,
    .footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
    
    body {
        background: white;
        color: black;
    }
}