:root {
    --bg-color: #f4f6f8;
    --card-bg: #ffffff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --primary: #007bff;
    --primary-hover: #0056b3;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #f8f9fa;
    --text-muted: #a0a0a0;
    --primary: #375a7f;
    --primary-hover: #2b4764;
    --secondary: #444444;
    --success: #00bc8c;
    --danger: #e74c3c;
    --border-color: #333333;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    padding-bottom: 30px;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.header-left h1 {
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-badge {
    font-size: 0.75rem;
    background-color: var(--primary);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

#theme-btn,
#i18n-check-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
}

/* Navigation Tabs */
.app-nav {
    display: flex;
    background-color: var(--card-bg);
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.nav-btn {
    flex: 1;
    padding: 12px 10px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    text-align: center;
    transition: all 0.2s ease;
}

.nav-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Main Content */
.app-content {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 15px;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.action-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

/* Cards & Forms */
.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.card h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 4px;
    color: var(--text-muted);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
}

.btn {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
}

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

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

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

/* Stränge Anzeige */
.strang-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 10px;
}

.strang-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.strang-badge {
    background-color: var(--primary);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: bold;
}

.strang-badge.beschichtung {
    background-color: #6f42c1;
}

.delete {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 1.1rem;
    cursor: pointer;
}

.strang-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 0.85rem;
}

.strang-item span {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.progress-container {
    background-color: var(--border-color);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-bar {
    background-color: var(--success);
    height: 100%;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Trommellängen Grid */
.trommel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
}

.trommel-card {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    background-color: var(--card-bg);
}

.trommel-title {
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 6px;
    color: var(--primary);
}

.trommel-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    font-size: 0.8rem;
}

.trommel-details div {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed var(--border-color);
    padding: 2px 0;
}

.trommel-details span {
    color: var(--text-muted);
}

/* Rechner Ergebnisfeld */
.result-box {
    margin-top: 10px;
    padding: 10px;
    background-color: var(--bg-color);
    border-left: 4px solid var(--primary);
    font-weight: bold;
    font-size: 0.9rem;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    max-width: 400px;
    width: 90%;
    max-height: 85vh;
    text-align: center;
    display: flex;
    flex-direction: column;
}

#qrcode-container {
    display: flex;
    justify-content: center;
    margin: 15px 0;
}

.changelog-list {
    text-align: left;
    margin: 15px 0;
    padding-left: 20px;
    font-size: 0.9rem;
    overflow-y: auto;
    flex: 1 1 auto;
    min-height: 0;
}

.changelog-list li {
    margin-bottom: 6px;
}

.changelog-version-heading {
    list-style: none;
    margin-left: -20px;
    margin-top: 14px;
    font-weight: bold;
    color: var(--primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.changelog-version-heading:first-child {
    margin-top: 0;
}

/* Übersetzungs-Check */
.modal-content-wide {
    max-width: 480px;
}

.i18n-preview-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin: 10px 0;
    text-align: left;
    font-size: 0.85rem;
}

.i18n-preview-row select {
    padding: 6px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.i18n-check-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: left;
    margin-bottom: 10px;
}

.i18n-check-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    max-height: 50vh;
    display: block;
    overflow-y: auto;
    text-align: left;
}

.i18n-check-table th,
.i18n-check-table td {
    border-bottom: 1px solid var(--border-color);
    padding: 6px 4px;
}

.i18n-check-table .i18n-key {
    color: var(--text-muted);
    font-family: monospace;
}

.i18n-check-table th {
    position: sticky;
    top: 0;
    background-color: var(--card-bg);
}

.i18n-ok {
    color: var(--success);
    text-align: center;
    font-weight: bold;
}

.i18n-missing {
    color: var(--danger);
    text-align: center;
    font-weight: bold;
}

/* Erfahrungswerte */
.ew-profile-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px 16px;
    align-items: end;
}

.ew-field-small {
    min-width: 0;
}

.ew-field-small label {
    min-height: 2.4em;
    display: flex;
    align-items: flex-end;
}

.ew-preview-box {
    background-color: var(--bg-color);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    padding: 10px;
    margin: 12px 0;
    font-weight: bold;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ew-color-dot {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    vertical-align: middle;
}

.ew-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.ew-list-header h3 {
    margin: 0;
    border: none;
    padding: 0;
}

.ew-sort-btn {
    width: auto;
    padding: 8px 12px;
    font-size: 0.8rem;
    white-space: nowrap;
}

.ew-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 10px;
}

.ew-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.ew-badge {
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 0.75rem;
}

.ew-badge-approved {
    background-color: rgba(40, 167, 69, 0.15);
    color: var(--success);
}

.ew-badge-pending {
    background-color: rgba(255, 193, 7, 0.15);
    color: #b8860b;
}

.ew-card-profil {
    font-weight: bold;
    font-size: 1rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ew-card-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    font-size: 0.85rem;
}

.ew-card-details span {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.ew-cancel-btn {
    width: auto;
    margin-top: 10px;
    padding: 6px 12px;
    font-size: 0.8rem;
    background-color: var(--danger);
    color: white;
}

.ew-loading {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 20px 0;
    animation: ew-pulse 1.4s ease-in-out infinite;
}

@keyframes ew-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}