/* V18: public-only appearance and language controls */
.visitor-preferences{display:flex;align-items:center;gap:8px;flex-shrink:0}
.language-menu{position:relative}.language-toggle,.appearance-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;color:var(--ink);border:1px solid var(--line);background:color-mix(in srgb,var(--paper) 85%,transparent);cursor:pointer;transition:background .2s ease;white-space:nowrap}
.language-toggle{padding:0 12px;border-radius:24px;font-size:13px;font-weight:700}.appearance-toggle{width:42px;border-radius:50%}
.language-toggle:hover,.appearance-toggle:hover{background:var(--paper-2)}.language-toggle:focus-visible,.appearance-toggle:focus-visible,.language-options button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.language-options{position:absolute;right:0;top:calc(100% + 9px);min-width:158px;padding:6px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);z-index:110}.language-options[hidden]{display:none}.language-options button{display:block;width:100%;padding:11px;text-align:left;border:0;border-radius:9px;background:transparent;color:var(--ink);cursor:pointer;font:inherit;font-size:13px}.language-options button:hover,.language-options button[aria-current="true"]{background:var(--paper-2)}
.appearance-sun{display:none}html[data-appearance="dark"] .appearance-sun{display:block}html[data-appearance="dark"] .appearance-moon{display:none}
html[data-appearance="dark"]{color-scheme:dark;--paper:#191c1b;--paper-2:#292f2c;--ink:#f3f1e9;--muted:#b8bdb6;--white:#242a27;--line:rgba(245,245,235,.2);--shadow:0 22px 70px rgba(0,0,0,.3)}
html[data-appearance="dark"] body{background:var(--paper);color:var(--ink)}
html[data-appearance="dark"] .site-header{background:color-mix(in srgb,var(--paper) 92%,transparent)}
html[data-appearance="dark"] input,html[data-appearance="dark"] select,html[data-appearance="dark"] textarea{color:var(--ink);background:var(--paper-2);border-color:var(--line)}
html[data-appearance="dark"] .product-card,html[data-appearance="dark"] .data-notice{color:var(--ink)}
@media(max-width:1050px){.nav-wrap{gap:12px}.main-nav{gap:15px}.visitor-preferences{gap:5px}.language-toggle{padding:0 9px}}
@media(max-width:760px){.visitor-preferences{margin-left:auto}.language-toggle,.appearance-toggle{min-height:38px}.appearance-toggle{width:38px}.language-toggle{padding:0 8px}.nav-wrap{gap:8px}.nav-cta{display:none}}
@media(max-width:360px){.language-toggle{font-size:12px}.brand-copy strong{font-size:11px}.brand-copy small{font-size:8px}}

/* V19: dark palette must override inline Theme Manager palette on :root. Public pages only. */
html[data-appearance="dark"]{--paper:#151a18!important;--paper-2:#242d29!important;--ink:#f5f3ed!important;--muted:#c4c9c2!important;--white:#fefcf6!important;--line:rgba(242,245,238,.20)!important;--shadow:0 22px 70px rgba(0,0,0,.45)!important}
html[data-appearance="dark"] body,html[data-appearance="dark"] main,html[data-appearance="dark"] .hero,html[data-appearance="dark"] .products-section,html[data-appearance="dark"] .story-section,html[data-appearance="dark"] .category-section{background:#151a18!important;color:var(--ink)!important}
html[data-appearance="dark"] .category-section,html[data-appearance="dark"] .product-detail-section,html[data-appearance="dark"] .catalog-section{background:#202723!important}
html[data-appearance="dark"] .site-header,html[data-appearance="dark"] .floating-card,html[data-appearance="dark"] .catalog-sidebar,html[data-appearance="dark"] .filter-panel,html[data-appearance="dark"] .product-detail-info{background:#242d29!important;color:#f5f3ed!important;border-color:var(--line)!important}
html[data-appearance="dark"] .btn-ghost,html[data-appearance="dark"] .category-card,html[data-appearance="dark"] .product-card,html[data-appearance="dark"] .language-toggle,html[data-appearance="dark"] .appearance-toggle{background:#242d29!important;color:#f5f3ed!important;border-color:var(--line)!important}
html[data-appearance="dark"] .hero-card-main{background:#41443c!important}
html[data-appearance="dark"] .story-box-main{background:#57483f!important}
html[data-appearance="dark"] .story-box-small{background:#34483b!important}
html[data-appearance="dark"] .btn-primary{color:#fff!important}
html[data-appearance="dark"] .site-footer{background:#101613!important}
html[data-appearance="dark"] .process-section{background:#2a3a2c!important}
html[data-appearance="dark"] .cta-card{background:#303c33!important;color:#fff!important}
html[data-appearance="dark"] .product-image,html[data-appearance="dark"] .detail-visual{color:#27251f}