:root {
  --primary-color: #3b82f6;
  --primary-color-hover: #2563eb;
  --secondary-color: #e2e8f0;
  --secondary-color-hover: #cbd5e1;
  --danger-color: #ef4444;
  --danger-color-hover: #dc2626;
  --background-color: #f8fafc;
  --card-background-color: #ffffff;
  --text-color: #1e293b;
  --subtle-text-color: #64748b;
  --border-color: #e2e8f0;
  --input-background-color: #f1f5f9;
  --service-badge-bg: #e0e7ff;
  --service-badge-text: #4338ca;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

#root {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  background-color: var(--card-background-color);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

header h1 {
  font-size: 1.75rem;
  font-weight: 600;
}

.view-switcher {
    display: flex;
    background-color: var(--secondary-color);
    border-radius: 8px;
    padding: 0.25rem;
}

.view-switcher button {
    padding: 0.5rem 1rem;
    border: none;
    background-color: transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--subtle-text-color);
    border-radius: 6px;
    transition: background-color 0.2s, color 0.2s;
}

.view-switcher button.active {
    background-color: var(--card-background-color);
    color: var(--primary-color);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

main {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  flex-grow: 1;
}

.form-section, .list-section, .template-manager-container {
  background-color: var(--card-background-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  align-self: start;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.customer-form .form-group {
  margin-bottom: 1rem;
}

.customer-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.customer-form input[type="text"],
.customer-form input[type="email"],
.customer-form input[type="number"],
.customer-form select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--input-background-color);
  font-size: 1rem;
  color: var(--text-color);
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: 'Inter', sans-serif;
}

/* Behebt das Problem mit dem weißen Hintergrund bei Browser-Autofill */
.customer-form input:-webkit-autofill,
.customer-form input:-webkit-autofill:hover,
.customer-form input:-webkit-autofill:focus,
.customer-form input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--input-background-color) inset !important;
    -webkit-text-fill-color: var(--text-color) !important;
    caret-color: var(--text-color);
}

.customer-form input:focus,
.customer-form select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.customer-form input:disabled,
.customer-form select:disabled,
.customer-form button:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.submit-btn {
  padding: 0.875rem;
  border: none;
  border-radius: 6px;
  background-color: var(--primary-color);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.submit-btn:hover:not(:disabled) {
  background-color: var(--primary-color-hover);
}

.form-section .submit-btn {
    width: 100%;
    margin-top: 1.5rem;
}

.form-section-divider {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
}

.form-section-divider > label {
    margin-bottom: 1rem;
    font-size: 1rem;
}

.dynamic-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.75rem;
    position: relative;
}

.dynamic-group.cms-group {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1.5fr 1fr auto;
    gap: 0.75rem;
}

.dynamic-group input {
    margin-bottom: 0;
}

.remove-btn, .delete-btn {
    background-color: transparent;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 1.75rem;
    font-weight: bold;
    line-height: 1;
    padding: 0 0.5rem;
    transition: color 0.2s;
    align-self: center;
}

.remove-btn:hover, .delete-btn:hover {
    color: var(--danger-color-hover);
}

.delete-btn {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    background-color: var(--danger-color);
    color: white;
}
.delete-btn:hover {
    background-color: var(--danger-color-hover);
    color: white;
}


.add-btn {
    width: 100%;
    padding: 0.75rem;
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    background-color: var(--background-color);
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    margin-top: 0.5rem;
}

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

.add-btn.add-btn-small {
    padding: 0.5rem;
    font-size: 0.8rem;
    margin-top: 0.75rem;
}


.services-checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--primary-color);
}

.checkbox-wrapper label {
    margin-bottom: 0;
    font-weight: 400;
    font-size: 0.9rem;
}

.customer-list {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.customer-card {
  background-color: var(--card-background-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  cursor: pointer;
}

.customer-card:hover, .customer-card:focus-visible {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    outline: none;
    border-color: var(--primary-color);
}

.customer-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.customer-card .customer-number {
    font-size: 0.875rem;
    color: var(--subtle-text-color);
    margin: 0;
    margin-top: -1rem;
}

.card-section {
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}
.card-section.contact-details {
    margin-top: auto;
}

.card-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.contact-item {
    margin-bottom: 0.75rem;
}
.contact-item:last-child {
    margin-bottom: 0;
}
.contact-item p {
  font-size: 0.875rem;
  color: var(--subtle-text-color);
  margin-bottom: 0.25rem;
  word-break: break-word;
}
.contact-item p strong {
    color: var(--text-color);
    font-weight: 500;
}
.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}
.contact-item a:hover {
    text-decoration: underline;
}

.more-contacts-indicator {
    font-size: 0.8rem;
    color: var(--subtle-text-color);
    font-style: italic;
    margin-top: 0.5rem;
}

.services-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-badge {
    background-color: var(--service-badge-bg);
    color: var(--service-badge-text);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.domains-list {
    list-style-type: none;
    padding-left: 0;
    font-size: 0.875rem;
    color: var(--subtle-text-color);
}

.domains-list li {
    padding: 0.25rem 0;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--subtle-text-color);
}

/* --- Detail & Edit View Common Styles --- */
.detail-container, .edit-container {
    background-color: var(--card-background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.detail-header h2 {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0.25rem;
    font-size: 2rem;
}

.edit-container h2 {
    font-size: 1.5rem;
}

.customer-number-detail {
    font-size: 1rem;
    color: var(--subtle-text-color);
}

.detail-header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.back-btn-detail, .edit-btn, .cancel-btn {
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.back-btn-detail, .cancel-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

.back-btn-detail:hover, .cancel-btn:hover {
    background-color: var(--secondary-color-hover);
}

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

.detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.detail-section {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--background-color);
}
.detail-section-full {
    grid-column: 1 / -1;
}

.detail-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.no-data-text {
    color: var(--subtle-text-color);
    font-style: italic;
}
.indented-text {
    padding-left: 1rem;
}

/* Domain & DNS Detail View */
.domains-list-detail {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.domain-detail-block {
    background-color: var(--card-background-color);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}
.domain-detail-block h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.dns-records-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.dns-records-table th, .dns-records-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    word-break: break-all;
}
.dns-records-table th {
    font-weight: 600;
    background-color: var(--input-background-color);
}
.dns-records-table tr:last-child td {
    border-bottom: none;
}
.dns-records-table td:nth-child(1) { width: 10%; }
.dns-records-table td:nth-child(2) { width: 20%; }
.dns-records-table td:nth-child(3) { width: 55%; }
.dns-records-table td:nth-child(4) { width: 15%; }

.dns-type-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.75rem;
    color: white;
}
.type-a { background-color: #3b82f6; }
.type-aaaa { background-color: #16a34a; }
.type-cname { background-color: #9333ea; }
.type-mx { background-color: #f97316; }
.type-txt { background-color: #64748b; }

.contact-list-detail, .cms-list-detail {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.contact-item-detail, .cms-item-detail {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-background-color);
}
.contact-item-detail p, .cms-item-detail p {
    font-size: 0.9rem;
    word-break: break-word;
}
.contact-item-detail p:not(:last-child), .cms-item-detail p:not(:last-child) {
    margin-bottom: 0.5rem;
}
.contact-item-detail strong, .cms-item-detail strong {
    font-weight: 500;
    color: var(--text-color);
}
.contact-item-detail a, .cms-item-detail a {
    color: var(--primary-color);
    text-decoration: none;
}
.contact-item-detail a:hover, .cms-item-detail a:hover {
    text-decoration: underline;
}

.edit-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.edit-form-actions .submit-btn {
    flex-grow: 1;
    max-width: 250px;
}
.edit-form-actions .cancel-btn {
    flex-grow: 0;
}

/* Edit View for Domains and DNS */
.domain-edit-block {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}
.domain-name-input {
    font-weight: 600 !important;
    font-size: 1.1rem !important;
}
.domain-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
}
.apply-template-select {
    flex-grow: 1;
    background-color: var(--card-background-color) !important;
}
.domain-actions .add-btn-small {
    width: auto;
    margin-top: 0;
    flex-shrink: 0;
}
.dns-record-edit-row {
    display: grid;
    grid-template-columns: 100px 1fr 2fr 70px auto;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-left: 1rem;
}
.dns-record-edit-row .remove-btn {
    grid-column: 5 / 6;
}
.dns-record-edit-row .priority-input {
    grid-column: 4 / 5;
}


/* --- TEMPLATE MANAGER STYLES --- */
.template-info {
    font-size: 0.9rem;
    color: var(--subtle-text-color);
    background-color: var(--input-background-color);
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}
.template-info code {
    background-color: var(--secondary-color);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font-family: monospace;
}
.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}
.list-header h2 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}
.template-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 1.5rem;
}
.template-card {
    background-color: var(--card-background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}
.template-card h3 {
    margin-bottom: 1rem;
}
.template-card-records {
    flex-grow: 1;
    margin-bottom: 1.5rem;
}
.template-record-preview {
    display: grid;
    grid-template-columns: 60px 1fr 2fr;
    gap: 0.5rem;
    font-size: 0.85rem;
    padding: 0.5rem;
    border-radius: 4px;
}
.template-record-preview:nth-child(odd) {
    background-color: var(--background-color);
}
.record-value-preview {
    color: var(--subtle-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.template-card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}
.template-card-actions .edit-btn, .template-card-actions .delete-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* --- LOADING AND ERROR STATES --- */
.status-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    text-align: center;
    background-color: var(--card-background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 2rem auto;
    width: 100%;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 5px solid var(--secondary-color);
    border-bottom-color: var(--primary-color);
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-indicator {
    background-color: #fff1f2;
    border-color: #fecaca;
    color: #9f1239;
}
.error-indicator p {
    margin-bottom: 0.5rem;
}


@media (max-width: 900px) {
    main {
        grid-template-columns: 1fr;
    }
    .detail-content {
        grid-template-columns: 1fr;
    }
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .dns-record-edit-row {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .dns-record-edit-row select { grid-column: 1 / 2; }
    .dns-record-edit-row input[placeholder*="Name"] { grid-column: 2 / 3; }
    .dns-record-edit-row input[placeholder*="Wert"] { grid-column: 1 / 3; }
    .dns-record-edit-row .priority-input { grid-column: 1 / 2; }
    .dns-record-edit-row .remove-btn { grid-column: 2 / 3; justify-self: end; align-self: center;}
}


@media (max-width: 600px) {
    .dynamic-group, 
    .dynamic-group.cms-group {
        flex-direction: column;
        align-items: stretch;
        grid-template-columns: 1fr;
    }
    .dynamic-group input,
    .dynamic-group select {
        margin-bottom: 0.5rem;
    }
    .remove-btn {
        position: absolute;
        top: -0.25rem;
        right: -0.25rem;
        padding: 0.5rem;
        background-color: var(--card-background-color);
        border-radius: 50%;
    }
    .dns-record-edit-row {
        position: static;
        padding-left: 0;
        grid-template-columns: 1fr;
        position: relative;
    }
     .dns-record-edit-row .remove-btn {
        position: absolute;
        top: -0.25rem;
        right: -0.25rem;
     }

    .services-checkbox-group {
        grid-template-columns: 1fr;
    }
    .detail-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .detail-header-actions {
        justify-content: flex-start;
    }
    .edit-form-actions {
        flex-direction: column-reverse;
    }
    .edit-form-actions .submit-btn {
        max-width: 100%;
    }
}

.app-footer {
    text-align: center;
    padding: 1.5rem 2rem;
    color: var(--subtle-text-color);
    font-size: 0.875rem;
    background-color: var(--background-color);
    margin-top: auto;
}