/* Basis-Variablen */
:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #333333;
    --border-color: #dee2e6;
    --border-radius: 0.25rem;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --nav-bg: #2d3748;
    --nav-text: #ffffff;
    --card-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --input-border: #ced4da;
    --input-bg: #ffffff;
    --text-primary: #333333;
    --accent-color: #007bff;
    --accent-hover: #0056b3;
    --bg-primary: #f8f9fa;
    --bg-secondary: #f1f3f5;
    --table-stripe: #f8f9fa;
}

/* Allgemeine Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
}

/* Basis Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, 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;
}

/* Navigation */
.nav {
    background-color: var(--nav-bg);
    padding: 1rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    margin-bottom: 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-item {
    margin: 0;
    padding: 0;
}

.nav-item a {
    color: var(--nav-text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    font-weight: 500;
    white-space: nowrap;
}

.nav-item a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
}

/* Theme Toggle in Navigation */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    transition: all 0.2s ease;
    margin-left: auto;
}

.theme-toggle:hover {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.2);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--nav-text);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px var(--shadow-color);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

/* Stats im Dashboard */
.stat {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent-color);
    margin: 1rem 0;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

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

.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--input-bg);
    background-clip: padding-box;
    border: 1px solid var(--input-border);
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

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

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: all 0.15s ease-in-out;
    cursor: pointer;
    border: 1px solid transparent;
}

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

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

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

/* Tables */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 1.5rem;
    background-color: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
}

th, td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

tr:nth-child(even) {
    background-color: var(--table-stripe);
}

/* Messages */
.success, .error {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

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

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

/* Headings */
h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

/* Links */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Modal */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 15px -3px var(--shadow-color);
    max-width: 500px;
    width: 90%;
    z-index: 1100;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 1000;
}

/* Grid Layout für Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

.stat-card {
    background-color: var(--card-background);
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    opacity: 0.7;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-card h3 {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    line-height: 1;
}

.stat-label {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.95rem;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        padding: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-item a {
        display: block;
        padding: 1rem;
        text-align: left;
        width: 100%;
        border-radius: 0;
    }
    
    .theme-toggle {
        margin: 1rem auto;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 1.875rem;
    }
    
    .card {
        padding: 1.5rem;
        border-radius: 0.75rem;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Badge Styles wurden zu Inline-Styles in tables.php verschoben */

/* Status Icons */
.badge i {
    margin-right: 0.5rem;
    font-size: 0.875rem;
}

/* Hover-Effekt für Badges */
.badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* Zusätzliche Spezifität für die Textfarbe */
table .badge.badge-success,
table .badge.badge-danger {
    color: #ffffff !important;
}

/* Artikel-Verwaltung Styles */
.table-responsive {
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    margin-bottom: 2rem;
}

.table-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background: #f8f9fa;
    padding: 1rem;
    font-weight: 600;
    text-align: left;
    border-bottom: 2px solid #dee2e6;
    position: sticky;
    top: 0;
    z-index: 1;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.badge {
    padding: 0.5em 0.75em;
    border-radius: 4px;
    font-weight: 500;
}

.badge-success {
    background-color: #28a745;
    color: white;
}

.badge-danger {
    background-color: #dc3545;
    color: white;
}

.badge-warning {
    background-color: #ffc107;
    color: #212529;
}

.badge-info {
    background-color: #17a2b8;
    color: white;
}

.badge-primary {
    background-color: #007bff;
    color: white;
}

.badge-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    margin: 0 0.25rem;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    color: white;
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
    color: white;
}

.btn:hover {
    opacity: 0.9;
}

/* Modal Styling */
.modal {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    overflow-y: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.fade {
    display: none;
}

.modal.show {
    display: flex;
}

.modal-dialog {
    max-width: 800px;
    width: 100%;
    margin: 1.75rem auto;
    position: relative;
}

.modal-content {
    position: relative;
    background-color: #fff;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    width: 100%;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
}

.modal-body {
    padding: 1rem;
    max-height: calc(100vh - 210px);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: 1rem;
    border-top: 1px solid #dee2e6;
}

/* Form Styling */
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.form-check-input {
    margin-right: 0.5rem;
}

/* Variationen Styling */
.variations-container {
    border: 1px solid #dee2e6;
    border-radius: 0.25rem;
    padding: 1rem;
    margin-bottom: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.variation-item {
    margin-bottom: 0.5rem;
}

.variation-item:last-child {
    margin-bottom: 0;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group .form-control {
    flex: 1;
}

.input-group .btn {
    flex-shrink: 0;
}

.variation-buttons {
    margin-top: 0.5rem;
}

/* Button Styling */
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-danger {
    color: #fff;
    background-color: #dc3545;
    border-color: #dc3545;
}

.btn:hover {
    opacity: 0.9;
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-body {
        max-height: calc(100vh - 150px);
    }
    
    .row {
        flex-direction: column;
    }
    
    .col-md-6, .col-md-4 {
        width: 100%;
    }
}