.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--third-color);
    color: var(--textcolor-fullcontrast-onsecondary);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--hoverthird-color);
    border-color: var(--hoverprimary-color);
    color: var(--textcolor-fullcontrast-onsecondary);
    box-shadow: 0 4px 8px var(--neutrals-100);
    transform: translateY(-4px)
}

.btn-secondary {
    background-color: var(--neutrals-100);
    border-color: var(--neutrals-100);
    color: var(--textcolor-80contrast);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--neutrals-0);
    border-color: var(--neutrals-10);
    color: var(--textcolor-fullcontrast);
    box-shadow: 0 4px 8px var(--neutrals-100);
    transform: translateY(-4px)
}

.cancel-button, .confirm-button {
    padding: 10px 20px;
    margin: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}

.confirm-button {
    color: var(--textcolor-fullcontrast-onsecondary);
    background-color: var(--signals-activecolor);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.confirm-button:hover {
    color: var(--textcolor-80contrast);
    background-color: var(--hoversignals-activecolor);
    transform: translateY(-4px)
}

.cancel-button {
    color: var(--textcolor-fullcontrast-onsecondary);
    background-color: var(--accent-color);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.cancel-button:hover {
    color: var(--textcolor-80contrast);
    background-color: var(--hoveraccent-color);
    transform: translateY(-4px)
}

/* ============================================================
   Page-header action button
   Identical styling for the CTA that links Prüfstand ↔ Tutorial
   (e.g. "Theoretische Grundlagen" on Prüfstand, "Zum Versuch"
   on Tutorial). Self-contained — does NOT require Bootstrap .btn
   base styles.
   Authority: docs/styleguide/STYLE_GUIDE.md §4.7
   ============================================================ */

.btn-page-header-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-lg);
    border: var(--border-base) solid rgba(var(--primary-rgb), 0.25);
    color: var(--primary-color);
    background: transparent;
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-page-header-action:hover,
.btn-page-header-action:focus-visible {
    background: var(--primary-color);
    color: var(--neutrals-0);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-hover-sm);
    text-decoration: none;
}

.btn-page-header-action:focus-visible {
    outline: 3px solid rgba(var(--primary-rgb), 0.28);
    outline-offset: 2px;
}

/* ============================================================
   Card badge (inline semantic tag inside a card header)
   Marks a card as Tipp / Formel / Warnung etc. WITHOUT tinting
   the whole card. Replaces the retired .elearn-card.tip and
   .elearn-card.formula variants.
   Authority: docs/styleguide/STYLE_GUIDE.md §4.9
   ============================================================ */

.card-badge {
    display: inline-block;
    padding: 2px 8px;
    margin-right: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    vertical-align: middle;
}

.card-badge--tip {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success-900);
}

.card-badge--warning {
    background: var(--warning-50);
    color: var(--warning-800);
}

/* ============================================================
   Body-scoped override for .btn-page-header-action
   The global `body.neutral0color-onbackground a` rule (pruefstand.css)
   forces a dark color on anchor text. That rule wins over the plain
   `.btn-page-header-action:hover` rule on hover because it has higher
   specificity. Re-establish white-on-primary with a matching-specificity
   body-scoped override.
   ============================================================ */

body.neutral0color-onbackground .btn-page-header-action {
    color: var(--primary-color);
}

body.neutral0color-onbackground .btn-page-header-action:hover,
body.neutral0color-onbackground .btn-page-header-action:focus-visible {
    color: var(--neutrals-0);
}
/* ─── Icon Button — global utility (moved from fmu_base.css in Phase 3d-5) ─── */
.btn-icon {
    padding: 8px;
    background: linear-gradient(135deg,
        rgba(var(--primary-rgb), 0.1),
        rgba(var(--primary-rgb), 0.05));
    border: var(--border-thin) solid rgba(var(--primary-rgb), 0.2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: linear-gradient(135deg,
        rgba(var(--primary-rgb), 0.15),
        rgba(var(--primary-rgb), 0.08));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    stroke: currentColor;
}