body {
    background: #f6f7fb;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
}

.navbar-brand {
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding-top: 0;
    padding-bottom: 0;
}

.navbar-logo {
    display: block;
    max-width: 180px;
    max-height: 36px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.page-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.table td,
.table th {
    vertical-align: middle;
}

.banner-preview {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    overflow: auto;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
    padding: 12px;
}

.banner-preview img {
    max-width: 100%;
    height: auto;
}

.code-box {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.875rem;
    white-space: pre-wrap;
    word-break: break-all;
}