:root {
    color-scheme: light;
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #1d1f2a;
    --muted: #6b7280;
    --primary: #2563eb;
    --border: #e5e7eb;
    --danger: #dc2626;
    --success: #16a34a;
    --col-order-number: 80px;
    --col-description: 1fr;
    --col-price: 120px;
    --col-quantity: 70px;
    --col-total: 70px;
    --col-delete: 40px;
    --col-status: 40px;
}

* {
    box-sizing: border-box;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
}

.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
}

.header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.header {
    flex-direction: column;
    align-items: flex-start;
}

.header h1 {
    margin: 0 0 6px;
}

.header p {
    margin: 0;
    color: var(--muted);
}

.class-line {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.contact-form {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.contact-form label {
    font-weight: 600;
}

.contact-form input {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    min-width: 220px;
}

.contact-form button {
    padding: 8px 12px;
    border-radius: 8px;
    border: none;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.class-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.class-link {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
}

.class-form {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-actions select,
.header-actions button {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
}

.header-actions button {
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
}

.header-actions button:disabled {
    background: #9ca3af;
    cursor: not-allowed;
}

.link-button {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    text-decoration: none;
}

.card {
    background: var(--card);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.orders-table {
    width: 100%;
    border-collapse: collapse;
}

.table-actions {
    margin-top: 12px;
    display: flex;
    justify-content: flex-start;
}

.table-actions button {
    padding: 8px 12px;
    border-radius: 8px;
    border: none;
    background: var(--success);
    color: #fff;
    cursor: pointer;
}

.orders-table col.col-order-number {
    width: var(--col-order-number);
}

.orders-table col.col-description {
    width: var(--col-description);
}

.orders-table col.col-price {
    width: var(--col-price);
}

.orders-table col.col-quantity {
    width: var(--col-quantity);
}

.orders-table col.col-total {
    width: var(--col-total);
}

.orders-table col.col-delete {
    width: var(--col-delete);
}

.orders-table col.col-status {
    width: var(--col-status);
}

.orders-table th,
.orders-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.total {
    font-weight: 600;
}

.orders-table th {
    background: #f9fafb;
    font-weight: 600;
}

.orders-table input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.price-input {
    display: flex;
    align-items: center;
    gap: 6px;
}

.price-input input {
    flex: 1;
    text-align: right;
}

.price-suffix {
    color: var(--muted);
    font-weight: 600;
    white-space: nowrap;
}

.orders-table input.readonly {
    background: #f3f4f6;
    color: #4b5563;
}

.delete-row {
    border: none;
    background: transparent;
    color: var(--danger);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 6px;
}

.delete-row:disabled {
    color: #9ca3af;
    cursor: not-allowed;
}

.orders-table input.invalid {
    border-color: var(--danger);
}

.orders-table input.duplicate {
    border-color: #f59e0b;
}

.status {
    font-size: 0.9rem;
    color: var(--muted);
}

.status.saved {
    color: var(--success);
}

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

.status.warning {
    color: #f59e0b;
}

.hint {
    margin-top: 12px;
    color: var(--muted);
    font-size: 0.9rem;
}

.global-status {
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--muted);
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-form label {
    font-weight: 600;
}

.admin-form textarea {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-family: inherit;
    font-size: 1rem;
}

.admin-form input[type="text"] {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-family: inherit;
    font-size: 1rem;
}

.admin-form button {
    align-self: flex-end;
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
}

.admin-actions {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
}

.totals {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    font-size: 1rem;
}

.limit-exceeded {
    color: var(--danger);
    font-weight: 700;
}

.wichtig {
    color: var(--danger);
    font-weight: 700;
}