:root {
    /* Muted Slate Palette */
    --bg-color: #f1f5f9;
    --text-color: #334155;
    --text-secondary: #64748b;

    /* Muted Accent - Slate Blue */
    --primary-color: #475569;
    --primary-hover: #334155;
    --secondary-color: #94a3b8;

    /* Surfaces */
    --card-bg-color: #ffffff;
    --card-border-color: #e2e8f0;
    --modal-content-bg: #ffffff;

    /* Subdued Semantic */
    --danger-color: #9f1239;
    --success-color: #166534;
    --warning-color: #92400e;
    --info-color: #1e40af;

    /* UI Specific */
    --header-bg: #1e293b;
    --header-text: #f8fafc;
    --tab-bg: #e2e8f0;
    --tab-active-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;

    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.05);
    --radius-md: 0.5rem;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.2);
}

body.dark-mode {
    --bg-color: #0f172a;
    --text-color: #e2e8f0;
    --text-secondary: #94a3b8;

    --card-bg-color: #1e293b;
    --card-border-color: #334155;
    --modal-content-bg: #1e293b;

    --header-bg: #020617;
    --tab-bg: #1e293b;
    --tab-active-bg: #334155;
    --input-bg: #1e293b;
    --input-border: #334155;

    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);

    --primary-color: #94a3b8;
    --primary-hover: #cbd5e1;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.top-bar {
    background-color: var(--header-bg);
    color: var(--header-text);
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-title-app {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin: 0;
    background: linear-gradient(to right, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dark-mode-toggle-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

#darkModeToggle {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 0.2s;
}

#darkModeToggle:hover {
    background: rgba(255, 255, 255, 0.2);
}


.container {
    width: 100%;
    padding: 1rem;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
}

@media (min-width: 768px) {
    .container {
        padding: 1.5rem;
    }
}


.tabs-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}

.tabs-container {
    background: var(--tab-bg);
    padding: 0.4rem;
    border-radius: var(--radius-md);
    display: inline-flex;
    gap: 0.25rem;
}

.live-clock {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--tab-bg);
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    letter-spacing: 0.05em;
    min-width: 180px;
    text-align: center;
}

.tab-button {
    padding: 0.6rem 1.25rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    color: var(--text-secondary);
    border: none;
    font-size: 0.875rem;
}

.tab-button.active {
    background-color: var(--tab-active-bg);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.tab-button:hover:not(.active) {
    color: var(--text-color);
    background: rgba(0, 0, 0, 0.05);
}

body.dark-mode .tab-button:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content.active {
    display: block;
}

.subsection-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-top: 0;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-card {
    background-color: var(--card-bg-color);
    border: 1px solid var(--card-border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--input-border);
}

.view-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-color);
    letter-spacing: -0.025em;
}

.form-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--section-title-color);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-color-light);
}

.form-section-title:first-of-type {
    margin-top: 0.5rem;
}


.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background-color: var(--card-bg-color);
    border: 1px solid var(--card-border-color);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.dashboard-card:hover {
    box-shadow: var(--shadow-lg);
}

.dashboard-card .options-group {
    /* Für Gruppierung im Optionen Tab */
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color-light);
}

.dashboard-card .options-group:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}


.dashboard-card h3 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 0.5rem 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dashboard-card p.value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
    letter-spacing: -0.025em;
}

.dashboard-card p.value.positive {
    color: var(--success-color);
}

.dashboard-card p.value.negative {
    color: var(--danger-color);
}

.dashboard-card .sub-value {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-weight: 500;
}

.table-container {
    overflow-x: auto;
    margin-top: 1rem;
    clear: both;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background-color: var(--card-bg-color);
}

th,
td {
    text-align: left;
    padding: 1rem;
    border-bottom: 1px solid var(--input-border);
    color: var(--text-color);
    font-size: 0.9375rem;
}

th {
    background-color: var(--tab-bg);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

tr:hover td {
    background-color: rgba(37, 99, 235, 0.04);
}

body.dark-mode tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

.status-active {
    color: var(--success-color);
    font-weight: bold;
}

.status-inactive {
    color: var(--danger-color);
    font-weight: bold;
}

.row-inactive td {
    color: var(--text-secondary);
    opacity: 0.6;
}

.row-inactive .btn-secondary {
    opacity: 0.5;
}

.date-expired {
    color: var(--danger-color);
    font-style: italic;
}

.date-soon {
    color: #F59E0B;
    font-style: italic;
}

body.dark-mode .date-soon {
    color: #FCD34D;
}


.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    transition: all 0.3s;
}

.modal-content {
    background-color: var(--modal-content-bg);
    margin: 4rem auto;
    padding: 2.5rem;
    border: 1px solid var(--card-border-color);
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: modalSlide 0.3s ease-out;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.close-button {
    color: var(--text-secondary);
    float: right;
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1;
    transition: color 0.2s;
}

.close-button:hover {
    color: var(--danger-color);
    cursor: pointer;
}

label.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.375rem;
}

.form-checkbox-label {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.form-checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
    margin-bottom: 0;
}


input[type="text"],
input[type="number"],
input[type="date"],
input[type="password"],
input[type="url"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--input-border);
    border-radius: 0.5rem;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 0.95rem;
    transition: all 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}


button,
.btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    border: 1px solid transparent;
    font-size: 0.9rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

button:active,
.btn:active {
    transform: translateY(1px);
}

.btn-icon {
    background: none;
    border: 1px solid var(--border-color-light);
    color: var(--text-color-light);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background-color: var(--bg-color);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-primary {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
}

.btn-primary:hover {
    background-color: #2563EB;
}

body.dark-mode .btn-primary:hover {
    background-color: #1D4ED8;
}

.btn-secondary {
    background-color: var(--button-secondary-bg);
    color: var(--button-primary-text);
    border: 1px solid var(--input-border);
}

.btn-secondary:hover {
    background-color: #4B5563;
}

body.dark-mode .btn-secondary {
    border-color: #4B5563;
}

body.dark-mode .btn-secondary:hover {
    background-color: #374151;
}


.btn-danger {
    background-color: var(--danger-color);
    color: var(--button-primary-text);
}

.btn-danger:hover {
    background-color: #DC2626;
}

body.dark-mode .btn-danger:hover {
    background-color: #B91C1C;
}

.btn-add {
    margin-bottom: 1.5rem;
    display: block;
    width: fit-content;
}

.btn-delete-all {
    margin-bottom: 1.5rem;
    float: right;
}

.actions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}


.form-actions {
    margin-top: 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}


.table-actions-cell {
    white-space: nowrap;
    text-align: right;
}

.table-actions-cell button {
    margin-left: 0.5rem;
    padding: 0.375rem 0.625rem;
    font-size: 0.8rem;
}

.table-actions-cell button:first-child {
    margin-left: 0;
}


#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1050;
    width: 320px;
}

.toast {
    background-color: var(--toast-bg);
    color: var(--toast-text);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 0.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.4s, transform 0.4s;
    transform: translateY(20px);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toast.show {
    opacity: 0.95;
    transform: translateY(0);
}

.toast.success {
    background-color: var(--success-color);
    color: #fff;
}

.toast.error {
    background-color: var(--danger-color);
    color: #fff;
}

.toast.info {
    background-color: #3B82F6;
    color: #fff;
}

body.dark-mode .toast.success {
    background-color: #059669;
}

body.dark-mode .toast.error {
    background-color: #B91C1C;
}

body.dark-mode .toast.info {
    background-color: #1D4ED8;
}

.filter-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.filter-controls label,
.filter-controls select,
.filter-controls input {
    margin-bottom: 0;
}

.filter-controls select,
.filter-controls input[type="text"] {
    padding: 0.5rem;
    font-size: 0.875rem;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--neutral-color);
    font-size: 1rem;
    border: 2px dashed var(--border-color-light);
    border-radius: 0.5rem;
    margin-top: 1rem;
}

.empty-state p {
    margin: 0;
}

/* Expiring List Styles */
.expiring-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 400px;
    overflow-y: auto;
}

.expiring-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color-light);
    gap: 1.5rem;
    background-color: var(--card-bg-color);
}

.expiring-item:last-child {
    border-bottom: none;
}

.expiring-item.expired {
    background-color: rgba(220, 53, 69, 0.08);
    border-left: 4px solid var(--danger-color);
}

/* Full Width List Layout */
.full-width-list {
    width: 100%;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    background: var(--card-bg-color);
    display: flex;
    flex-direction: column;
}

#dbAuslaufendeKundenServices {
    min-height: 650px;
    max-height: 650px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

/* Custom Scrollbar for better look */
#dbAuslaufendeKundenServices::-webkit-scrollbar {
    width: 6px;
}

#dbAuslaufendeKundenServices::-webkit-scrollbar-track {
    background: transparent;
}

#dbAuslaufendeKundenServices::-webkit-scrollbar-thumb {
    background: var(--input-border);
    border-radius: 10px;
}

#dbAuslaufendeKundenServices::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.list-header-row {
    display: flex;
    padding: 0.75rem 1rem;
    background: var(--tab-bg);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: sticky;
    top: 0;
    z-index: 10;
}

/* Expiring List Base */
.expiring-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.expiring-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--input-border);
    gap: 1.5rem;
    transition: background-color 0.2s;
}

.expiring-item:hover {
    background-color: rgba(37, 99, 235, 0.03);
}

body.dark-mode .expiring-item:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.expiring-item:last-child {
    border-bottom: none;
}

.expiring-item.expired {
    background-color: rgba(239, 68, 68, 0.05);
    border-left: 4px solid var(--danger-color);
}

/* Columns */
.expiring-col-date {
    width: 120px;
    font-family: inherit;
    font-weight: 600;
    color: var(--text-secondary);
}

.expiring-col-service {
    flex: 1;
    font-weight: 600;
}

.expiring-col-customer {
    flex: 1;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.expiring-col-price {
    width: 100px;
    font-weight: 600;
    color: var(--primary-color);
}

.expiring-col-status {
    width: 100px;
}

.expiring-col-action {
    width: 140px;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

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

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 1.5rem;
}

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-grid .grid-col-span-2 {
    grid-column: span 2 / span 2;
}

.form-grid>div {
    margin-bottom: 1rem;
}

.form-grid .form-checkbox-label {
    margin-bottom: 0.25rem;
}

.form-grid .form-section-title {
    margin-bottom: 0.75rem;
}


.hidden-fields {
    display: none;
    padding-left: 1.5rem;
    border-left: 3px solid var(--button-primary-bg);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
}

.hidden-fields.visible {
    display: block;
}

.optional-section-container {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color-light);
}


.zugeordnete-dienstleistungen-sektion {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color-light);
}

.zugeordnete-dienstleistungen-liste li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color-light);
    font-size: 0.9rem;
}

.assigned-service-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--input-border);
}

.assigned-service-item:last-child {
    border-bottom: none;
}

.assigned-service-item .service-info {
    flex: 1;
}

.assigned-service-item .service-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.assigned-service-item .status-badge {
    font-size: 0.7rem;
    margin-left: 0.5rem;
}

.no-data-text {
    color: var(--text-secondary);
    font-style: italic;
    padding: 1rem 0;
}

/* Status badges */
.status-badge {
    padding: 0.25rem 0.6rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-badge.status-inactive {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.status-badge.date-soon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

/* Global Buttons for interactive elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0.5rem;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--tab-bg);
}

.btn-icon {
    padding: 0.4rem;
    border-radius: 0.375rem;
    background: transparent;
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.05);
}

body.dark-mode .btn-icon:hover {
    background: rgba(255, 255, 255, 0.05);
}

.expiring-item.item-ignored {
    opacity: 0.5;
    filter: grayscale(1);
    text-decoration: line-through;
}

.expiring-item.item-ignored .status-badge {
    background: var(--tab-bg);
    color: var(--text-secondary);
}