.backend-codes-body {
    background: #0f1222;
    color: #eff3ff;
    min-height: 100vh;
    padding: 24px;
}

.backend-codes-shell {
    margin: 0 auto;
    max-width: 1200px;
    display: grid;
    gap: 16px;
}

.backend-codes-panel {
    background: #171b31;
    border: 1px solid #2a3157;
    border-radius: 14px;
    padding: 16px;
}

.backend-codes-panel h1,
.backend-codes-panel h2 {
    margin: 0 0 10px;
}

.backend-codes-notice,
.backend-codes-warning {
    margin-top: 10px;
    padding: 10px 12px;
    border-radius: 10px;
}

.backend-codes-notice {
    background: #15361f;
    border: 1px solid #2d8145;
}

.backend-codes-warning {
    background: #3b260f;
    border: 1px solid #a16e28;
}

.backend-codes-form {
    display: grid;
    gap: 12px;
}

.backend-codes-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.backend-codes-form label {
    display: grid;
    gap: 6px;
    font-size: 13px;
}

.backend-codes-form input,
.backend-codes-form select,
.backend-codes-form textarea {
    width: 100%;
    border: 1px solid #3d4675;
    background: #0f1328;
    color: #f8faff;
    border-radius: 10px;
    padding: 8px 10px;
}

.backend-codes-form button,
.backend-codes-table button {
    border: 0;
    border-radius: 10px;
    padding: 8px 12px;
    background: #2f6cf6;
    color: #fff;
    cursor: pointer;
}

.backend-codes-table button.danger {
    background: #b22f45;
}

.backend-codes-table-wrap {
    overflow: auto;
}

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

.backend-codes-table th,
.backend-codes-table td {
    border-bottom: 1px solid #2a3157;
    padding: 8px;
    text-align: left;
    vertical-align: middle;
}

.backend-codes-table input,
.backend-codes-table select {
    width: 100%;
    border: 1px solid #3d4675;
    background: #0f1328;
    color: #f8faff;
    border-radius: 8px;
    padding: 6px 8px;
}