* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: #1c1c1c;
    background: #f6f7f9;
}
.topbar {
    background: #1f2a44;
    color: #fff;
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.topbar a { color: #fff; text-decoration: none; }
.topbar .brand { font-weight: 600; font-size: 18px; }
.topbar nav a { margin-right: 16px; opacity: .85; }
.topbar nav a:hover { opacity: 1; text-decoration: underline; }

.content {
    max-width: 1100px;
    margin: 24px auto;
    padding: 0 20px;
}

h1 { font-size: 22px; margin-bottom: 4px; }
h2 { font-size: 17px; margin-top: 28px; }
.muted { color: #666; font-size: 13px; }

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin: 12px 0;
    font-size: 14px;
}
.alert-success { background: #e6f6ea; color: #1e7a34; }
.alert-warning { background: #fff4e0; color: #8a5a00; }

.form-group { margin-bottom: 14px; max-width: 480px; }
.form-group.indent { margin-left: 24px; margin-top: 6px; }
.form-group label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
.input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}
.input-prefix { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #666; }
.input-prefix .input { flex: 1; }

.button, .link-button {
    display: inline-block;
    background: #2a5adf;
    color: #fff;
    border: none;
    padding: 9px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
}
.button:hover, .link-button:hover { background: #1e46b8; }
.link-button { background: transparent; color: #2a5adf; padding: 2px 6px; font-size: 13px; }
.link-button:hover { text-decoration: underline; background: transparent; }
.link-button-danger { color: #c0392b; }

.row-actions { white-space: nowrap; }

.grid { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 14px; }
.grid th, .grid td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #e3e5e8; }
.grid th { color: #666; font-weight: 600; font-size: 12px; text-transform: uppercase; }

.badge { padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge-success { background: #e6f6ea; color: #1e7a34; }
.badge-warning { background: #fff4e0; color: #8a5a00; }
.badge-muted { background: #eee; color: #666; }

.cards { display: flex; gap: 16px; margin: 16px 0; }
.card { background: #fff; border: 1px solid #e3e5e8; border-radius: 8px; padding: 16px 20px; min-width: 140px; }
.card-number { font-size: 28px; font-weight: 700; }
.card-label { color: #666; font-size: 13px; }

.validation-summary { color: #c0392b; margin-bottom: 10px; }
.validation-summary ul { margin: 0; padding-left: 18px; }
.field-validation-error { color: #c0392b; font-size: 12px; }

.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #1f2a44; }
.auth-box { background: #fff; padding: 32px; border-radius: 10px; width: 320px; }
.auth-box h1 { font-size: 19px; }

.qr-wrap { margin: 16px 0; }