:root {
    --brand-1: #4f46e5;
    --brand-2: #7c3aed;
    --brand-accent: #6366f1;
    --app-bg: #ecebf7;
    --header-bg: rgba(244, 244, 253, .82);
    --card-bg: #ffffff;
    --text-strong: #1f2430;
    --text-muted: #6b7280;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    --shadow-md: 0 6px 16px rgba(16, 24, 40, .08), 0 2px 6px rgba(16, 24, 40, .05);
    --shadow-lg: 0 18px 40px rgba(31, 36, 48, .12);
}

html, body {
    font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--app-bg);
    background-image:
        radial-gradient(1100px 560px at 100% -8%, rgba(124, 58, 237, .10), transparent 60%),
        radial-gradient(1000px 520px at -8% 4%, rgba(79, 70, 229, .10), transparent 55%);
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--text-strong);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    letter-spacing: -0.01em;
}

a, .btn-link {
    color: var(--brand-accent);
}

.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    color: #fff;
    background-image: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-2) 100%);
    background-color: var(--brand-1);
    border: none;
    box-shadow: 0 4px 12px rgba(79, 70, 229, .28);
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    color: #fff;
    background-image: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
    background-color: #4338ca;
    border: none;
    box-shadow: 0 6px 18px rgba(79, 70, 229, .38);
}

.card {
    border: 1px solid rgba(16, 24, 40, .06);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    background-color: var(--card-bg);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}
/* ---------- Fragen-Optionen (einheitlich in Katalog, Fragen-Editor und Umfrage-Editor) ---------- */
.options-block {
    padding: 1rem;
    border: 1px dashed #c7d0dc;
    border-radius: 0.65rem;
    background: #f8fafc;
}

.option-index {
    font-weight: 700;
    color: #6b7684;
    min-width: 2.5rem;
    justify-content: center;
}

.options-hint {
    margin-bottom: 0.85rem;
    line-height: 1.5;
}

.options-head {
    display: flex;
    align-items: center;
    margin-bottom: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: #6b7684;
}

.options-head__index {
    flex: 0 0 2.5rem;
}

.options-head__col {
    flex: 1 1 0;
    padding-left: 0.75rem;
}

.options-head__btn {
    flex: 0 0 2.9rem;
}