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

:root {
    /* Light Mode Colors */
    --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-secondary: rgba(255, 255, 255, 0.95);
    --bg-card: #f7fafc;
    --bg-input: white;
    --text-primary: #333;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e0;
    --accent-color: #667eea;
    --accent-hover: #5a67d8;
    --success-color: #48bb78;
    --success-hover: #38a169;
    --danger-color: #f56565;
    --danger-hover: #e53e3e;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --bg-primary: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    --bg-secondary: rgba(26, 32, 44, 0.95);
    --bg-card: #2d3748;
    --bg-input: #4a5568;
    --text-primary: #f7fafc;
    --text-secondary: #e2e8f0;
    --text-muted: #a0aec0;
    --border-color: #4a5568;
    --border-hover: #718096;
    --accent-color: #667eea;
    --accent-hover: #5a67d8;
    --success-color: #48bb78;
    --success-hover: #38a169;
    --danger-color: #f56565;
    --danger-hover: #e53e3e;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

header h1 {
    color: var(--text-secondary);
    font-size: 2.5rem;
    margin: 0;
}

header h1 i {
    color: var(--accent-color);
    margin-right: 10px;
}

.theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--border-hover);
    border-color: var(--accent-color);
    transform: scale(1.1);
}

nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-btn {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-btn:hover {
    background: var(--border-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.nav-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Sections */
.section {
    display: none;
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.section.active {
    display: block;
}

/* Kasse Section */
.kasse-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.artikel-liste h2, .rechnung h2 {
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 1.5rem;
}

.artikel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    max-height: 500px;
    overflow-y: auto;
}

.artikel-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.artikel-card:hover {
    background: var(--border-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.artikel-card.gruppe {
    background: #f0fff4;
    border-color: #9ae6b4;
}

.artikel-card.gruppe:hover {
    background: #c6f6d5;
    border-color: #48bb78;
}

.artikel-card.gruppe h3 {
    color: #22543d;
}

.artikel-card.gruppe .preis {
    color: #38a169;
}

.artikel-card h3 {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.artikel-card .preis {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-color);
}

.artikel-card .mwst {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Rechnung */
.rechnung {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 20px;
    border: 2px solid var(--border-color);
}

.rechnung-items {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.rechnung-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--bg-input);
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
}

.rechnung-item .name {
    font-weight: 500;
    color: var(--text-primary);
}

.rechnung-item .preis {
    font-weight: bold;
    color: var(--accent-color);
}

.rechnung-summen {
    border-top: 2px solid var(--border-color);
    padding-top: 15px;
    margin-bottom: 20px;
}

.summe-zeile {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.summe-zeile.total {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-secondary);
    border-top: 2px solid var(--border-color);
    padding-top: 15px;
    margin-top: 10px;
}

/* Bezahlung */
.bezahlung {
    margin-bottom: 20px;
}

.bezahlung-input {
    margin-bottom: 15px;
}

.bezahlung-input label {
    font-weight: 500;
    color: #2d3748;
    display: block;
    margin-bottom: 8px;
}

.betrag-container {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.bezahlung-input input {
    padding: 10px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    width: 150px;
}

/* Schnelleingabe Buttons */
.schnell-buttons {
    margin-bottom: 15px;
}

.schnell-buttons label {
    font-weight: 500;
    color: #2d3748;
    display: block;
    margin-bottom: 8px;
}

.geld-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.geld-btn {
    padding: 8px 12px;
    border: 2px solid #e2e8f0;
    background: #f7fafc;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4a5568;
    transition: all 0.3s ease;
    min-width: 50px;
}

.geld-btn:hover {
    background: #edf2f7;
    border-color: #667eea;
    transform: translateY(-1px);
}

.geld-btn:active {
    transform: translateY(0);
}

.wechselgeld {
    background: #c6f6d5;
    border: 2px solid #9ae6b4;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    color: #22543d;
    display: none;
}

.wechselgeld.show {
    display: block;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-danger, .btn-success {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

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

.btn-secondary:hover {
    background: var(--border-hover);
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background: var(--danger-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 101, 101, 0.4);
}

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

.btn-success:hover {
    background: var(--success-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.4);
}

.rechnung-aktionen {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Artikel Section */
.artikel-verwaltung {
    max-width: 800px;
    margin: 0 auto;
}

.artikel-form, .gruppe-form {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    border: 2px solid var(--border-color);
}

.gruppe-form {
    background: #f0fff4;
    border-color: #9ae6b4;
}

.artikel-form h3 {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--bg-input);
    color: var(--text-primary);
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.artikel-tabelle, .gruppe-tabelle {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 25px;
    border: 2px solid var(--border-color);
    margin-bottom: 30px;
}

.gruppe-tabelle {
    background: #f0fff4;
    border-color: #9ae6b4;
}

/* Daten Import/Export */
.daten-verwaltung {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 25px;
    border: 2px solid var(--border-color);
    margin-bottom: 30px;
}

.daten-verwaltung h3 {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.backup-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.backup-buttons button {
    min-width: 150px;
}

.backup-info {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

.artikel-tabelle h3 {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-input);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

th {
    background: var(--accent-color);
    color: white;
    font-weight: 500;
}

tr:hover {
    background: var(--bg-card);
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.edit-btn {
    background: #4299e1;
    color: white;
}

.edit-btn:hover {
    background: #3182ce;
}

.delete-btn {
    background: #f56565;
    color: white;
}

.delete-btn:hover {
    background: #e53e3e;
}

/* Z-Report Section */
.z-report {
    max-width: 1000px;
    margin: 0 auto;
}

.report-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
}

.info-card h3 {
    color: #4a5568;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.info-card p {
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
}

.report-aktionen {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.verkaufe-liste {
    background: #f7fafc;
    border-radius: 10px;
    padding: 25px;
    border: 2px solid #e2e8f0;
}

.verkaufe-liste h3 {
    margin-bottom: 20px;
    color: #2d3748;
}

.verkauf-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.verkauf-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

.verkauf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--text-secondary);
}

.verkauf-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.verkauf-kassierer {
    font-weight: 500;
}

.verkauf-bezahlt {
    color: var(--success-color);
}

.verkauf-artikel {
    color: var(--text-primary);
    line-height: 1.4;
}

/* Storno-Elemente */
.verkauf-item.storniert {
    opacity: 0.7;
    background: var(--bg-card);
    border-color: var(--danger-color);
}

.verkauf-header.storniert {
    color: var(--danger-color);
}

.storno-badge {
    background: var(--danger-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
}

.storno-info {
    background: #fed7d7;
    border: 1px solid #feb2b2;
    padding: 8px;
    margin: 8px 0;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #742a2a;
}

.verkauf-aktionen {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.btn-small {
    padding: 4px 8px;
    font-size: 0.8rem;
    gap: 4px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    margin-top: -10px;
}

.close:hover {
    color: #000;
}

/* Responsive Design */
@media (max-width: 768px) {
    .kasse-container {
        grid-template-columns: 1fr;
    }
    
    .artikel-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .bezahlung-input {
        flex-direction: column;
        align-items: stretch;
    }
    
    .bezahlung-input input {
        width: 100%;
    }
    
    .rechnung-aktionen {
        flex-direction: column;
    }
    
    .report-info {
        grid-template-columns: 1fr;
    }
    
    .report-aktionen {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 20% auto;
        width: 95%;
    }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Header Controls */
.header-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.kassierer-info {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.kassierer-info label {
    font-weight: 500;
    margin-right: 5px;
}

.kassierer-info input {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.kassierer-info input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.compact-toggle, .theme-toggle {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.compact-toggle:hover, .theme-toggle:hover {
    background: var(--border-hover);
    border-color: var(--accent-color);
    transform: scale(1.1);
}

/* Beleg Optionen */
.beleg-optionen {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
}

.beleg-optionen h3 {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.beleg-inputs .form-group {
    margin-bottom: 10px;
}

.beleg-inputs label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.beleg-inputs input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.beleg-inputs input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.beleg-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

/* Compact Mode Styles */
[data-compact="true"] {
    --compact-spacing: 0.6;
    --compact-font-size: 0.85;
}

[data-compact="true"] .container {
    padding: 10px;
}

[data-compact="true"] header {
    padding: 10px 15px;
    margin-bottom: 10px;
}

[data-compact="true"] header h1 {
    font-size: 1.8rem;
}

[data-compact="true"] .nav-btn {
    padding: 8px 12px;
    font-size: 0.9rem;
}

[data-compact="true"] .section {
    padding: 15px;
}

[data-compact="true"] .kasse-container {
    gap: 15px;
}

[data-compact="true"] .artikel-liste h2,
[data-compact="true"] .rechnung h2 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

[data-compact="true"] .artikel-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    max-height: 300px;
}

[data-compact="true"] .artikel-card {
    padding: 8px;
}

[data-compact="true"] .artikel-card h3 {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

[data-compact="true"] .artikel-card .preis {
    font-size: 1rem;
}

[data-compact="true"] .artikel-card .mwst {
    font-size: 0.8rem;
}

[data-compact="true"] .rechnung {
    padding: 12px;
}

[data-compact="true"] .rechnung-items {
    max-height: 200px;
    margin-bottom: 10px;
}

[data-compact="true"] .rechnung-item {
    padding: 6px 8px;
    margin-bottom: 4px;
    font-size: 0.9rem;
}

[data-compact="true"] .rechnung-summen {
    padding-top: 8px;
    margin-bottom: 10px;
}

[data-compact="true"] .summe-zeile {
    padding: 4px 0;
    font-size: 0.9rem;
}

[data-compact="true"] .summe-zeile.total {
    font-size: 1.1rem;
    padding-top: 8px;
    margin-top: 6px;
}

[data-compact="true"] .bezahlung {
    margin-bottom: 10px;
}

[data-compact="true"] .bezahlung-input {
    margin-bottom: 8px;
}

[data-compact="true"] .bezahlung-input label {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

[data-compact="true"] .betrag-container {
    gap: 6px;
}

[data-compact="true"] .bezahlung-input input {
    padding: 6px 8px;
    font-size: 0.9rem;
    width: 120px;
}

[data-compact="true"] .schnell-buttons {
    margin-bottom: 8px;
}

[data-compact="true"] .schnell-buttons label {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

[data-compact="true"] .geld-buttons {
    gap: 4px;
}

[data-compact="true"] .geld-btn {
    padding: 4px 8px;
    font-size: 0.8rem;
    min-width: 40px;
}

[data-compact="true"] .wechselgeld {
    padding: 8px;
    font-size: 1rem;
}

[data-compact="true"] .btn-primary,
[data-compact="true"] .btn-secondary,
[data-compact="true"] .btn-danger,
[data-compact="true"] .btn-success {
    padding: 8px 12px;
    font-size: 0.9rem;
    gap: 4px;
}

/* Compact Mode für Artikel-Verwaltung */
[data-compact="true"] .artikel-verwaltung h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

[data-compact="true"] .artikel-verwaltung h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

[data-compact="true"] .artikel-form,
[data-compact="true"] .gruppe-form {
    margin-bottom: 20px;
    padding: 12px;
}

[data-compact="true"] .form-group {
    margin-bottom: 8px;
}

[data-compact="true"] .form-group label {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

[data-compact="true"] .form-group input,
[data-compact="true"] .form-group select {
    padding: 6px 8px;
    font-size: 0.9rem;
}

[data-compact="true"] .artikel-tabelle,
[data-compact="true"] .gruppe-tabelle {
    margin-top: 15px;
}

[data-compact="true"] .artikel-tabelle table,
[data-compact="true"] .gruppe-tabelle table {
    font-size: 0.85rem;
}

[data-compact="true"] .artikel-tabelle th,
[data-compact="true"] .gruppe-tabelle th {
    padding: 6px 8px;
}

[data-compact="true"] .artikel-tabelle td,
[data-compact="true"] .gruppe-tabelle td {
    padding: 4px 6px;
}

[data-compact="true"] .action-buttons {
    gap: 4px;
}

[data-compact="true"] .action-btn {
    padding: 4px 6px;
    font-size: 0.8rem;
}

/* Compact Mode für Z-Report */
[data-compact="true"] .z-report h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

[data-compact="true"] .z-report h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

[data-compact="true"] .report-info {
    gap: 10px;
    margin-bottom: 15px;
}

[data-compact="true"] .info-card {
    padding: 10px;
}

[data-compact="true"] .info-card h3 {
    font-size: 0.9rem;
    margin-bottom: 4px;
}

[data-compact="true"] .info-card p {
    font-size: 1.1rem;
}

[data-compact="true"] .report-aktionen {
    gap: 8px;
    margin-bottom: 15px;
}

[data-compact="true"] .verkaufe-liste {
    margin-top: 15px;
}

[data-compact="true"] .verkauf-item {
    padding: 8px;
    margin-bottom: 6px;
    font-size: 0.85rem;
}

/* Compact Mode für Modal */
[data-compact="true"] .modal-content {
    padding: 15px;
    max-width: 400px;
}

[data-compact="true"] .modal-content h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

[data-compact="true"] .modal-content .form-group {
    margin-bottom: 8px;
}

[data-compact="true"] .modal-content .form-group label {
    font-size: 0.9rem;
}

[data-compact="true"] .modal-content .form-group input,
[data-compact="true"] .modal-content .form-group select {
    padding: 6px 8px;
    font-size: 0.9rem;
}

/* Mobile Optimizations for Compact Mode */
@media (max-width: 768px) {
    [data-compact="true"] .kasse-container {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    [data-compact="true"] .artikel-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        max-height: 250px;
    }
    
    [data-compact="true"] .rechnung-items {
        max-height: 150px;
    }
    
    [data-compact="true"] .geld-buttons {
        justify-content: center;
    }
    
    [data-compact="true"] .betrag-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    [data-compact="true"] .bezahlung-input input {
        width: 100%;
    }
}

@media (max-width: 480px) {
    [data-compact="true"] .container {
        padding: 5px;
    }
    
    [data-compact="true"] header {
        padding: 8px 10px;
    }
    
    [data-compact="true"] header h1 {
        font-size: 1.5rem;
    }
    
    [data-compact="true"] .nav-btn {
        padding: 6px 8px;
        font-size: 0.8rem;
    }
    
    [data-compact="true"] .section {
        padding: 10px;
    }
    
    [data-compact="true"] .artikel-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 6px;
    }
    
    [data-compact="true"] .artikel-card {
        padding: 6px;
    }
    
    [data-compact="true"] .artikel-card h3 {
        font-size: 0.8rem;
    }
    
    [data-compact="true"] .artikel-card .preis {
        font-size: 0.9rem;
    }
    
    [data-compact="true"] .artikel-card .mwst {
        font-size: 0.7rem;
    }
}

/* Compact Mode für Kassierer-Info */
[data-compact="true"] .kassierer-info {
    font-size: 0.8rem;
}

[data-compact="true"] .kassierer-info input {
    padding: 3px 6px;
    font-size: 0.8rem;
}

[data-compact="true"] .beleg-optionen {
    padding: 10px;
    margin-top: 10px;
}

[data-compact="true"] .beleg-optionen h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

[data-compact="true"] .beleg-inputs input {
    padding: 6px;
    font-size: 0.8rem;
}

[data-compact="true"] .beleg-buttons {
    gap: 6px;
}

[data-compact="true"] .beleg-buttons .btn-primary,
[data-compact="true"] .beleg-buttons .btn-secondary,
[data-compact="true"] .beleg-buttons .btn-success {
    padding: 6px 10px;
    font-size: 0.8rem;
}

/* Compact Mode für Storno-Elemente */
[data-compact="true"] .storno-badge {
    font-size: 0.6rem;
    padding: 1px 4px;
}

[data-compact="true"] .storno-info {
    padding: 6px;
    font-size: 0.8rem;
    margin: 6px 0;
}

[data-compact="true"] .verkauf-aktionen {
    gap: 6px;
    margin-top: 8px;
}

[data-compact="true"] .btn-small {
    padding: 3px 6px;
    font-size: 0.7rem;
}