/**
 * Health Claims Checker – Frontend Styles
 * Designed to match the "Clean Airy" theme of bohillebrand.de
 */

/* ================================================================
   Container
   ================================================================ */
.bhc-checker {
    max-width: 820px;
    margin: 0 auto 2rem;
    font-family: inherit;
}

/* ================================================================
   Header
   ================================================================ */
.bhc-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.75rem;
}
.bhc-header-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--blue-50, #eff6ff);
    color: var(--blue, #2563eb);
}
.bhc-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900, #0f172a);
    margin: 0 0 .35rem;
    line-height: 1.3;
}
.bhc-subtitle {
    font-size: .95rem;
    color: var(--gray-500, #64748b);
    margin: 0;
    line-height: 1.5;
}

/* ================================================================
   Search
   ================================================================ */
.bhc-search-wrap {
    position: relative;
    margin-bottom: 1rem;
}
.bhc-search-field {
    position: relative;
    display: flex;
    align-items: center;
}
.bhc-search-icon {
    position: absolute;
    left: 1rem;
    color: var(--gray-400, #94a3b8);
    pointer-events: none;
}
.bhc-input {
    width: 100%;
    padding: .85rem 2.8rem .85rem 2.8rem;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--gray-200, #e2e8f0);
    border-radius: 12px;
    background: #fff;
    color: var(--gray-900, #0f172a);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.bhc-input::placeholder {
    color: var(--gray-400, #94a3b8);
}
.bhc-input:focus {
    border-color: var(--blue, #2563eb);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.bhc-clear {
    position: absolute;
    right: .75rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400, #94a3b8);
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color .2s, background .2s;
}
.bhc-clear:hover {
    color: var(--gray-700, #334155);
    background: var(--gray-100, #f1f5f9);
}

/* ================================================================
   Autocomplete Dropdown
   ================================================================ */
.bhc-autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--gray-200, #e2e8f0);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    z-index: 50;
    margin-top: 4px;
    overflow: hidden;
}
.bhc-ac-item {
    padding: .7rem 1rem;
    cursor: pointer;
    font-size: .95rem;
    color: var(--gray-700, #334155);
    transition: background .15s;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.bhc-ac-item:hover,
.bhc-ac-item--active {
    background: var(--blue-50, #eff6ff);
    color: var(--blue-700, #1d4ed8);
}
.bhc-ac-item + .bhc-ac-item {
    border-top: 1px solid var(--gray-100, #f1f5f9);
}
.bhc-ac-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    color: var(--gray-400, #94a3b8);
}
.bhc-ac-item:hover .bhc-ac-icon,
.bhc-ac-item--active .bhc-ac-icon {
    color: var(--blue, #2563eb);
}

/* ================================================================
   Filter Chips
   ================================================================ */
.bhc-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem;
    margin-bottom: 1.5rem;
}
.bhc-filter-label {
    font-size: .85rem;
    color: var(--gray-500, #64748b);
    margin-right: .25rem;
}
.bhc-chip {
    display: inline-flex;
    align-items: center;
    padding: .35rem .85rem;
    font-size: .85rem;
    font-family: inherit;
    font-weight: 500;
    border: 1px solid var(--gray-200, #e2e8f0);
    border-radius: 100px;
    background: #fff;
    color: var(--gray-700, #334155);
    cursor: pointer;
    transition: all .2s;
    white-space: nowrap;
}
.bhc-chip:hover {
    border-color: var(--blue, #2563eb);
    color: var(--blue, #2563eb);
    background: var(--blue-50, #eff6ff);
}
.bhc-chip--active {
    border-color: var(--blue, #2563eb);
    background: var(--blue, #2563eb);
    color: #fff;
}

/* ================================================================
   Stats Bar
   ================================================================ */
.bhc-stats {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .85rem;
    color: var(--gray-500, #64748b);
    padding: .5rem 0;
    margin-bottom: .75rem;
}
.bhc-stats-sep {
    color: var(--gray-300, #cbd5e1);
}

/* ================================================================
   Claim Cards
   ================================================================ */
.bhc-results {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bhc-card {
    background: #fff;
    border: 1px solid var(--gray-200, #e2e8f0);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    transition: box-shadow .25s, border-color .25s;
    animation: bhcFadeIn .3s ease;
}
.bhc-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.06);
    border-color: var(--gray-300, #cbd5e1);
}

@keyframes bhcFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Card header */
.bhc-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: .75rem;
}
.bhc-substance {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .85rem;
    font-weight: 600;
    color: var(--blue, #2563eb);
    background: var(--blue-50, #eff6ff);
    padding: .25rem .7rem;
    border-radius: 6px;
}
.bhc-substance-icon {
    width: 14px;
    height: 14px;
}

/* Ampel badge */
.bhc-ampel {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .75rem;
    font-weight: 600;
    padding: .2rem .6rem;
    border-radius: 100px;
    white-space: nowrap;
}
.bhc-ampel--green {
    background: #dcfce7;
    color: #166534;
}
.bhc-ampel--yellow {
    background: #fef9c3;
    color: #854d0e;
}
.bhc-ampel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.bhc-ampel--green .bhc-ampel-dot { background: #22c55e; }
.bhc-ampel--yellow .bhc-ampel-dot { background: #eab308; }

/* Claim text */
.bhc-claim-text {
    font-size: .95rem;
    line-height: 1.6;
    color: var(--gray-900, #0f172a);
    margin-bottom: .75rem;
}

/* Details sections */
.bhc-details {
    display: flex;
    flex-direction: column;
    gap: .6rem;
}
.bhc-detail {
    padding: .75rem 1rem;
    border-radius: 8px;
    font-size: .85rem;
    line-height: 1.55;
}
.bhc-detail-label {
    display: block;
    font-weight: 600;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: .3rem;
}
.bhc-detail--conditions {
    background: var(--blue-50, #eff6ff);
    color: var(--gray-700, #334155);
}
.bhc-detail--conditions .bhc-detail-label {
    color: var(--blue, #2563eb);
}
.bhc-detail--restrictions {
    background: #fef9c3;
    color: #713f12;
}
.bhc-detail--restrictions .bhc-detail-label {
    color: #a16207;
}
.bhc-detail--efsa {
    background: var(--gray-50, #f8fafc);
    color: var(--gray-500, #64748b);
    font-size: .8rem;
}

/* ================================================================
   Empty / No Results States
   ================================================================ */
.bhc-empty,
.bhc-no-results {
    text-align: center;
    padding: 3rem 1.5rem;
}
.bhc-empty-icon {
    color: var(--gray-300, #cbd5e1);
    margin-bottom: 1rem;
}
.bhc-empty-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-700, #334155);
    margin: 0 0 .5rem;
}
.bhc-empty-text {
    font-size: .9rem;
    color: var(--gray-500, #64748b);
    margin: 0;
    line-height: 1.6;
}

/* ================================================================
   CTA Section
   ================================================================ */
.bhc-cta {
    margin-top: 2rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--blue-50, #eff6ff) 0%, #f0f4ff 100%);
    border: 1px solid var(--blue-100, #dbeafe);
    padding: 1.5rem;
}
.bhc-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}
.bhc-cta-text h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900, #0f172a);
    margin: 0 0 .35rem;
}
.bhc-cta-text p {
    font-size: .9rem;
    color: var(--gray-500, #64748b);
    margin: 0;
    line-height: 1.5;
}
.bhc-cta-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* ================================================================
   Legal Note
   ================================================================ */
.bhc-legal {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--gray-50, #f8fafc);
    border-radius: 8px;
    border-left: 3px solid var(--gray-300, #cbd5e1);
}
.bhc-legal p {
    font-size: .8rem;
    color: var(--gray-500, #64748b);
    line-height: 1.55;
    margin: 0;
}

/* ================================================================
   Loading Spinner
   ================================================================ */
.bhc-loading {
    text-align: center;
    padding: 2rem;
    color: var(--gray-400, #94a3b8);
}
.bhc-spinner {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 3px solid var(--gray-200, #e2e8f0);
    border-top-color: var(--blue, #2563eb);
    border-radius: 50%;
    animation: bhcSpin .7s linear infinite;
}
@keyframes bhcSpin {
    to { transform: rotate(360deg); }
}

/* ================================================================
   Highlight matched text
   ================================================================ */
.bhc-highlight {
    background: #fef08a;
    color: inherit;
    padding: 0 1px;
    border-radius: 2px;
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 640px) {
    .bhc-header {
        flex-direction: column;
        gap: .75rem;
    }
    .bhc-title {
        font-size: 1.25rem;
    }
    .bhc-input {
        font-size: .9rem;
        padding: .75rem 2.5rem;
    }
    .bhc-card {
        padding: 1rem;
    }
    .bhc-card-head {
        flex-direction: column;
        align-items: flex-start;
        gap: .5rem;
    }
    .bhc-cta-inner {
        flex-direction: column;
        text-align: center;
    }
    .bhc-filters {
        gap: .35rem;
    }
    .bhc-chip {
        font-size: .8rem;
        padding: .3rem .65rem;
    }
}

/* ================================================================
   VARIANT: Klassisch (formell, scharfe Kanten, Doppelrahmen)
   ================================================================ */
.bhc-checker--klassisch .bhc-header-icon {
    border-radius: 4px;
    background: var(--gray-100, #f1f5f9);
    color: var(--gray-700, #334155);
}
.bhc-checker--klassisch .bhc-title {
    letter-spacing: .01em;
}
.bhc-checker--klassisch .bhc-input {
    border-radius: 4px;
    border-width: 1px;
    border-color: var(--gray-300, #cbd5e1);
}
.bhc-checker--klassisch .bhc-input:focus {
    border-color: var(--gray-500, #64748b);
    box-shadow: 0 0 0 2px rgba(100, 116, 139, .15);
}
.bhc-checker--klassisch .bhc-autocomplete {
    border-radius: 4px;
}
.bhc-checker--klassisch .bhc-chip {
    border-radius: 4px;
    font-weight: 400;
    border-color: var(--gray-300, #cbd5e1);
}
.bhc-checker--klassisch .bhc-chip:hover {
    border-color: var(--gray-500, #64748b);
    color: var(--gray-900, #0f172a);
    background: var(--gray-50, #f8fafc);
}
.bhc-checker--klassisch .bhc-chip--active {
    border-color: var(--gray-700, #334155);
    background: var(--gray-700, #334155);
    color: #fff;
}
.bhc-checker--klassisch .bhc-card {
    border-radius: 3px;
    border: 1px solid var(--gray-300, #cbd5e1);
    box-shadow: none;
    position: relative;
}
.bhc-checker--klassisch .bhc-card::before {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid var(--gray-200, #e2e8f0);
    border-radius: 1px;
    pointer-events: none;
}
.bhc-checker--klassisch .bhc-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,.05);
    border-color: var(--gray-400, #94a3b8);
}
.bhc-checker--klassisch .bhc-substance {
    background: var(--gray-100, #f1f5f9);
    color: var(--gray-700, #334155);
    border-radius: 3px;
    font-weight: 600;
}
.bhc-checker--klassisch .bhc-ampel {
    border-radius: 3px;
}
.bhc-checker--klassisch .bhc-ampel--green {
    background: #f0fdf4;
    color: #14532d;
}
.bhc-checker--klassisch .bhc-ampel--yellow {
    background: #fefce8;
    color: #713f12;
}
.bhc-checker--klassisch .bhc-detail {
    border-radius: 3px;
}
.bhc-checker--klassisch .bhc-detail--conditions {
    background: var(--gray-50, #f8fafc);
    border-left: 3px solid var(--gray-400, #94a3b8);
}
.bhc-checker--klassisch .bhc-detail--conditions .bhc-detail-label {
    color: var(--gray-700, #334155);
}
.bhc-checker--klassisch .bhc-detail--restrictions {
    background: #fffbeb;
    border-left: 3px solid #d97706;
}
.bhc-checker--klassisch .bhc-cta {
    border-radius: 3px;
    background: var(--gray-50, #f8fafc);
    border: 1px solid var(--gray-300, #cbd5e1);
}
.bhc-checker--klassisch .bhc-legal {
    border-radius: 3px;
    border-left-width: 2px;
    border-left-color: var(--gray-400, #94a3b8);
}
.bhc-checker--klassisch .bhc-highlight {
    background: #e2e8f0;
}

/* ================================================================
   VARIANT: Kompakt (platzsparend, kompakte Typografie)
   ================================================================ */
.bhc-checker--kompakt .bhc-header {
    margin-bottom: 1rem;
    gap: .65rem;
}
.bhc-checker--kompakt .bhc-header-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}
.bhc-checker--kompakt .bhc-header-icon svg {
    width: 20px;
    height: 20px;
}
.bhc-checker--kompakt .bhc-title {
    font-size: 1.2rem;
}
.bhc-checker--kompakt .bhc-subtitle {
    font-size: .85rem;
}
.bhc-checker--kompakt .bhc-input {
    padding: .6rem 2.4rem;
    font-size: .9rem;
    border-radius: 8px;
}
.bhc-checker--kompakt .bhc-search-wrap {
    margin-bottom: .65rem;
}
.bhc-checker--kompakt .bhc-autocomplete {
    border-radius: 8px;
}
.bhc-checker--kompakt .bhc-ac-item {
    padding: .45rem .75rem;
    font-size: .85rem;
}
.bhc-checker--kompakt .bhc-filters {
    margin-bottom: 1rem;
    gap: .35rem;
}
.bhc-checker--kompakt .bhc-chip {
    padding: .25rem .6rem;
    font-size: .78rem;
}
.bhc-checker--kompakt .bhc-results {
    gap: .65rem;
}
.bhc-checker--kompakt .bhc-card {
    padding: .85rem 1rem;
    border-radius: 8px;
}
.bhc-checker--kompakt .bhc-card-head {
    margin-bottom: .5rem;
    gap: .5rem;
}
.bhc-checker--kompakt .bhc-substance {
    font-size: .78rem;
    padding: .2rem .55rem;
}
.bhc-checker--kompakt .bhc-ampel {
    font-size: .7rem;
    padding: .15rem .5rem;
}
.bhc-checker--kompakt .bhc-claim-text {
    font-size: .88rem;
    line-height: 1.5;
    margin-bottom: .5rem;
}
.bhc-checker--kompakt .bhc-details {
    gap: .4rem;
}
.bhc-checker--kompakt .bhc-detail {
    padding: .55rem .75rem;
    font-size: .8rem;
    line-height: 1.45;
}
.bhc-checker--kompakt .bhc-detail-label {
    font-size: .7rem;
    margin-bottom: .2rem;
}
.bhc-checker--kompakt .bhc-cta {
    margin-top: 1.25rem;
    padding: 1rem;
    border-radius: 8px;
}
.bhc-checker--kompakt .bhc-cta-text h3 {
    font-size: .95rem;
}
.bhc-checker--kompakt .bhc-cta-text p {
    font-size: .82rem;
}
.bhc-checker--kompakt .bhc-legal {
    margin-top: 1rem;
    padding: .65rem .85rem;
}
.bhc-checker--kompakt .bhc-legal p {
    font-size: .75rem;
}
.bhc-checker--kompakt .bhc-empty,
.bhc-checker--kompakt .bhc-no-results {
    padding: 2rem 1rem;
}
.bhc-checker--kompakt .bhc-empty-title {
    font-size: .95rem;
}
.bhc-checker--kompakt .bhc-empty-text {
    font-size: .82rem;
}

/* ================================================================
   VARIANT: Dunkel (Navy-Hintergrund, helle Schrift)
   ================================================================ */
.bhc-checker--dunkel {
    background: var(--blue-900, #1e3a5f);
    color: #e2e8f0;
    padding: 2rem;
    border-radius: 16px;
}
.bhc-checker--dunkel .bhc-header-icon {
    background: rgba(96, 165, 250, .15);
    color: var(--blue-400, #60a5fa);
}
.bhc-checker--dunkel .bhc-title {
    color: #fff;
}
.bhc-checker--dunkel .bhc-subtitle {
    color: var(--gray-300, #cbd5e1);
}
.bhc-checker--dunkel .bhc-input {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.15);
    color: #fff;
}
.bhc-checker--dunkel .bhc-input::placeholder {
    color: rgba(255,255,255,.4);
}
.bhc-checker--dunkel .bhc-input:focus {
    border-color: var(--blue-400, #60a5fa);
    box-shadow: 0 0 0 3px rgba(96, 165, 250, .2);
}
.bhc-checker--dunkel .bhc-clear {
    color: rgba(255,255,255,.5);
}
.bhc-checker--dunkel .bhc-clear:hover {
    color: #fff;
    background: rgba(255,255,255,.1);
}
.bhc-checker--dunkel .bhc-autocomplete {
    background: #1a3352;
    border-color: rgba(255,255,255,.12);
}
.bhc-checker--dunkel .bhc-ac-item {
    color: var(--gray-200, #e2e8f0);
}
.bhc-checker--dunkel .bhc-ac-item + .bhc-ac-item {
    border-top-color: rgba(255,255,255,.08);
}
.bhc-checker--dunkel .bhc-ac-item:hover,
.bhc-checker--dunkel .bhc-ac-item--active {
    background: rgba(96, 165, 250, .15);
    color: var(--blue-200, #bfdbfe);
}
.bhc-checker--dunkel .bhc-filter-label {
    color: var(--gray-400, #94a3b8);
}
.bhc-checker--dunkel .bhc-chip {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.15);
    color: var(--gray-200, #e2e8f0);
}
.bhc-checker--dunkel .bhc-chip:hover {
    border-color: var(--blue-400, #60a5fa);
    color: var(--blue-200, #bfdbfe);
    background: rgba(96, 165, 250, .12);
}
.bhc-checker--dunkel .bhc-chip--active {
    border-color: var(--blue-400, #60a5fa);
    background: var(--blue-400, #60a5fa);
    color: var(--blue-900, #1e3a5f);
}
.bhc-checker--dunkel .bhc-stats {
    color: var(--gray-400, #94a3b8);
}
.bhc-checker--dunkel .bhc-stats-sep {
    color: rgba(255,255,255,.2);
}
.bhc-checker--dunkel .bhc-card {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.1);
}
.bhc-checker--dunkel .bhc-card:hover {
    background: rgba(255,255,255,.09);
    border-color: rgba(255,255,255,.18);
    box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
.bhc-checker--dunkel .bhc-substance {
    background: rgba(96, 165, 250, .15);
    color: var(--blue-200, #bfdbfe);
}
.bhc-checker--dunkel .bhc-ampel--green {
    background: rgba(34, 197, 94, .15);
    color: #86efac;
}
.bhc-checker--dunkel .bhc-ampel--green .bhc-ampel-dot {
    background: #4ade80;
}
.bhc-checker--dunkel .bhc-ampel--yellow {
    background: rgba(234, 179, 8, .15);
    color: #fde68a;
}
.bhc-checker--dunkel .bhc-ampel--yellow .bhc-ampel-dot {
    background: #facc15;
}
.bhc-checker--dunkel .bhc-claim-text {
    color: #f1f5f9;
}
.bhc-checker--dunkel .bhc-detail--conditions {
    background: rgba(96, 165, 250, .08);
    color: var(--gray-200, #e2e8f0);
}
.bhc-checker--dunkel .bhc-detail--conditions .bhc-detail-label {
    color: var(--blue-400, #60a5fa);
}
.bhc-checker--dunkel .bhc-detail--restrictions {
    background: rgba(234, 179, 8, .1);
    color: #fde68a;
}
.bhc-checker--dunkel .bhc-detail--restrictions .bhc-detail-label {
    color: #fbbf24;
}
.bhc-checker--dunkel .bhc-detail--efsa {
    background: rgba(255,255,255,.04);
    color: var(--gray-400, #94a3b8);
}
.bhc-checker--dunkel .bhc-cta {
    background: linear-gradient(135deg, rgba(96, 165, 250, .12) 0%, rgba(59, 130, 246, .08) 100%);
    border-color: rgba(96, 165, 250, .2);
}
.bhc-checker--dunkel .bhc-cta-text h3 {
    color: #fff;
}
.bhc-checker--dunkel .bhc-cta-text p {
    color: var(--gray-300, #cbd5e1);
}
.bhc-checker--dunkel .bhc-legal {
    background: rgba(255,255,255,.04);
    border-left-color: rgba(255,255,255,.15);
}
.bhc-checker--dunkel .bhc-legal p {
    color: var(--gray-400, #94a3b8);
}
.bhc-checker--dunkel .bhc-empty-icon {
    color: rgba(255,255,255,.2);
}
.bhc-checker--dunkel .bhc-empty-title {
    color: var(--gray-200, #e2e8f0);
}
.bhc-checker--dunkel .bhc-empty-text {
    color: var(--gray-400, #94a3b8);
}
.bhc-checker--dunkel .bhc-highlight {
    background: rgba(96, 165, 250, .3);
    color: #fff;
}

/* ================================================================
   ACCORDION / COLLAPSIBLE WRAPPER
   ================================================================ */
.bhc-accordion {
    border: 1px solid var(--gray-200, #e2e8f0);
    border-radius: 14px;
    overflow: hidden;
    background: var(--white, #fff);
    margin-bottom: 2rem;
}
.bhc-accordion-header {
    display: flex;
    align-items: center;
    gap: .65rem;
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--gray-50, #f8fafc);
    border: none;
    border-bottom: 1px solid var(--gray-200, #e2e8f0);
    cursor: pointer;
    user-select: none;
    font-family: inherit;
    font-size: inherit;
    text-align: left;
    color: inherit;
    transition: background .2s;
}
.bhc-accordion-header:hover {
    background: var(--gray-100, #f1f5f9);
}
.bhc-accordion-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--blue, #2563eb);
    color: #fff;
    flex-shrink: 0;
}
.bhc-accordion-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--gray-900, #0f172a);
}
.bhc-accordion-meta {
    font-size: .8rem;
    color: var(--gray-400, #94a3b8);
    margin-left: auto;
    white-space: nowrap;
}
.bhc-accordion-chevron {
    color: var(--gray-400, #94a3b8);
    transition: transform .3s cubic-bezier(.22,1,.36,1);
    flex-shrink: 0;
}
.bhc-accordion-chevron--open {
    transform: rotate(180deg);
}

/* Accordion body – collapsed by default */
.bhc-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .5s cubic-bezier(.22,1,.36,1);
}
.bhc-accordion-body--open {
    max-height: 4000px;
    overflow: visible;
}
.bhc-accordion-body .bhc-checker {
    padding: 1.5rem;
}

/* ----------------------------------------------------------------
   Accordion: Dunkel-Variante
   ---------------------------------------------------------------- */
.bhc-accordion--dunkel {
    border-color: rgba(255,255,255,.1);
    background: var(--blue-900, #1e3a5f);
}
.bhc-accordion--dunkel .bhc-accordion-header {
    background: rgba(255,255,255,.05);
    border-bottom-color: rgba(255,255,255,.1);
}
.bhc-accordion--dunkel .bhc-accordion-header:hover {
    background: rgba(255,255,255,.08);
}
.bhc-accordion--dunkel .bhc-accordion-icon {
    background: var(--blue-400, #60a5fa);
    color: var(--blue-900, #1e3a5f);
}
.bhc-accordion--dunkel .bhc-accordion-title {
    color: #fff;
}
.bhc-accordion--dunkel .bhc-accordion-meta {
    color: var(--gray-400, #94a3b8);
}
.bhc-accordion--dunkel .bhc-accordion-chevron {
    color: rgba(255,255,255,.4);
}

/* In accordion mode, remove the outer padding/border-radius of dunkel checker
   since the accordion already provides it */
.bhc-accordion--dunkel .bhc-checker--dunkel {
    border-radius: 0;
}

/* ----------------------------------------------------------------
   Accordion: Klassisch-Variante
   ---------------------------------------------------------------- */
.bhc-accordion--klassisch {
    border-radius: 3px;
    border-color: var(--gray-300, #cbd5e1);
}
.bhc-accordion--klassisch .bhc-accordion-icon {
    border-radius: 4px;
    background: var(--gray-700, #334155);
}
.bhc-accordion--klassisch .bhc-accordion-header {
    border-bottom-color: var(--gray-300, #cbd5e1);
}

/* ----------------------------------------------------------------
   Accordion: Kompakt-Variante
   ---------------------------------------------------------------- */
.bhc-accordion--kompakt {
    border-radius: 8px;
}
.bhc-accordion--kompakt .bhc-accordion-header {
    padding: .7rem 1rem;
}
.bhc-accordion--kompakt .bhc-accordion-icon {
    width: 26px;
    height: 26px;
    border-radius: 6px;
}
.bhc-accordion--kompakt .bhc-accordion-icon svg {
    width: 16px;
    height: 16px;
}
.bhc-accordion--kompakt .bhc-accordion-title {
    font-size: .9rem;
}
.bhc-accordion--kompakt .bhc-accordion-meta {
    font-size: .75rem;
}
.bhc-accordion--kompakt .bhc-accordion-body .bhc-checker {
    padding: 1rem;
}

/* ================================================================
   Responsive Accordion
   ================================================================ */
@media (max-width: 640px) {
    .bhc-accordion-meta {
        display: none;
    }
    .bhc-accordion-body .bhc-checker {
        padding: 1rem;
    }
}

/* ================================================================
   SEO PAGES – Breadcrumb
   ================================================================ */
.bhc-breadcrumb {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .875rem;
    color: var(--gray-400);
    margin-bottom: 2rem;
}
.bhc-breadcrumb a {
    color: var(--blue);
    text-decoration: none;
}
.bhc-breadcrumb a:hover {
    text-decoration: underline;
}
.bhc-breadcrumb-sep {
    color: var(--gray-300);
}
.bhc-breadcrumb [aria-current] {
    color: var(--gray-600);
}

/* ================================================================
   SEO PAGES – Header
   ================================================================ */
.bhc-seo-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.bhc-seo-header-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-50, #eff6ff);
    border-radius: 14px;
    color: var(--blue);
}
.bhc-seo-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--gray-900);
    margin: 0 0 .25rem;
    line-height: 1.2;
}
.bhc-seo-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    margin: 0;
}

/* ================================================================
   SEO PAGES – Badges
   ================================================================ */
.bhc-seo-badges {
    display: flex;
    gap: .75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}
.bhc-seo-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .85rem;
    font-weight: 600;
    padding: .35rem .85rem;
    border-radius: 100px;
}
.bhc-seo-badge--green {
    background: #f0fdf4;
    color: #15803d;
}
.bhc-seo-badge--green .bhc-ampel-dot {
    background: #22c55e;
}
.bhc-seo-badge--yellow {
    background: #fffbeb;
    color: #a16207;
}
.bhc-seo-badge--yellow .bhc-ampel-dot {
    background: #eab308;
}

/* ================================================================
   SEO PAGES – Intro text
   ================================================================ */
.bhc-seo-intro {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 2rem;
}
.bhc-seo-intro p {
    margin: 0;
}

/* ================================================================
   SEO PAGES – Claims list (substance detail)
   ================================================================ */
.bhc-seo-claims {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.bhc-seo-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 14px;
    padding: 1.5rem;
    transition: box-shadow .2s ease;
}
.bhc-seo-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, .06);
}
.bhc-seo-claim-num {
    font-size: .8rem;
    font-weight: 700;
    color: var(--gray-400);
    background: var(--gray-100, #f3f4f6);
    padding: .2rem .6rem;
    border-radius: 6px;
}

/* ================================================================
   SEO PAGES – Related substances (substance detail)
   ================================================================ */
.bhc-seo-related {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}
.bhc-seo-related h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 1rem;
}
.bhc-seo-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: .75rem;
}
.bhc-seo-related-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .75rem 1rem;
    background: var(--gray-50, #f9fafb);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    text-decoration: none;
    color: var(--gray-700);
    transition: border-color .2s, background .2s;
}
.bhc-seo-related-link:hover {
    border-color: var(--blue);
    background: var(--blue-50, #eff6ff);
    color: var(--blue);
}
.bhc-seo-related-name {
    font-weight: 600;
    font-size: .9rem;
}
.bhc-seo-related-count {
    font-size: .75rem;
    color: var(--gray-400);
    white-space: nowrap;
}
.bhc-seo-all-link {
    color: var(--blue);
    font-weight: 600;
    text-decoration: none;
    font-size: .95rem;
}
.bhc-seo-all-link:hover {
    text-decoration: underline;
}

/* ================================================================
   SEO PAGES – Overview (all substances)
   ================================================================ */
.bhc-seo-alphabet {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--gray-50, #f9fafb);
    border-radius: 12px;
}
.bhc-seo-alpha-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-weight: 700;
    font-size: .85rem;
    color: var(--blue);
    border-radius: 8px;
    text-decoration: none;
    transition: background .15s;
}
.bhc-seo-alpha-link:hover {
    background: var(--blue-50, #eff6ff);
}

.bhc-seo-group {
    margin-bottom: 2rem;
}
.bhc-seo-letter {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-300);
    margin: 0 0 .75rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--gray-100, #f3f4f6);
}
.bhc-seo-group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: .75rem;
}
.bhc-seo-substance-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .85rem 1.15rem;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    text-decoration: none;
    color: var(--gray-700);
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.bhc-seo-substance-card:hover {
    border-color: var(--blue);
    box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
    background: var(--blue-50, #eff6ff);
    color: var(--blue);
}
.bhc-seo-substance-name {
    font-weight: 600;
    font-size: .95rem;
}
.bhc-seo-substance-count {
    font-size: .75rem;
    color: var(--gray-400);
    white-space: nowrap;
    background: var(--gray-50, #f9fafb);
    padding: .2rem .6rem;
    border-radius: 100px;
}
.bhc-seo-substance-card:hover .bhc-seo-substance-count {
    background: rgba(255, 255, 255, .7);
    color: var(--blue);
}

/* ================================================================
   SEO PAGES – Responsive
   ================================================================ */
@media (max-width: 640px) {
    .bhc-seo-title {
        font-size: 1.75rem;
    }
    .bhc-seo-header-icon {
        width: 44px;
        height: 44px;
    }
    .bhc-seo-header-icon svg {
        width: 24px;
        height: 24px;
    }
    .bhc-seo-group-grid {
        grid-template-columns: 1fr;
    }
    .bhc-seo-related-grid {
        grid-template-columns: 1fr;
    }
    .bhc-seo-alpha-link {
        width: 30px;
        height: 30px;
        font-size: .75rem;
    }
    .bhc-seo-card {
        padding: 1rem;
    }
}