.site-header {
   position: sticky;
   top: 0;
   z-index: 1000;
   width: 100%;
   background-color: var(--ground-deep);
   border-bottom: var(--border-thick) solid var(--border-heavy);
   transition: padding var(--duration-base) var(--ease-out),
                     background-color var(--duration-base) var(--ease-out);
}


.site-header::before {
   content: "";
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   height: 3px;
   background-image: var(--hazard-line);
}


@supports (backdrop-filter: blur(10px)) {
   .site-header {
      background-color: rgba(13, 40, 39, 0.94);
      backdrop-filter: blur(12px);
   }
}


.site-header .header-inner {
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding-block: 1.15rem;
   transition: padding-block var(--duration-base) var(--ease-out);
}


.site-header.is-condensed .header-inner { padding-block: 0.65rem; }


.site-header .brand {
   display: inline-flex;
   align-items: center;
   text-decoration: none;
   min-height: 44px;
   padding: 0.25rem 0;
   flex-shrink: 0;
}


.site-header .brand img {
   height: 3.2rem;
   width: auto;
   display: block;
   transition: height var(--duration-base) var(--ease-out);
}


.site-header.is-condensed .brand img { height: 2.6rem; }


.nav-desktop {
   display: flex;
   align-items: center;
   gap: clamp(1rem, 2vw, 2rem);
   list-style: none;
   margin: 0;
   padding: 0;
}


.nav-desktop li { margin: 0; }


.nav-link {
   display: inline-flex;
   align-items: center;
   min-height: 44px;
   padding: 0.5rem 0.65rem;
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   font-weight: 500;
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);

   color: var(--ink);
   text-decoration: none;
   position: relative;
   border-bottom: 2px solid transparent;
   transition: color var(--duration-fast) var(--ease-sharp),
                     border-color var(--duration-fast) var(--ease-sharp),
                     background-color var(--duration-fast) var(--ease-sharp);
}


.nav-link:hover {
   color: var(--accent);
   background-color: rgba(200, 150, 62, 0.08);
}


.nav-link:active {
   color: var(--accent-active);
   background-color: rgba(200, 150, 62, 0.16);
}


.nav-link:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.nav-link[aria-current='page'] {
   color: var(--accent);
   border-bottom-color: var(--accent);
   font-weight: 600;
}


.nav-toggle {
   display: none;
   align-items: center;
   justify-content: center;
   gap: 0.5rem;
   min-height: 44px;
   min-width: 44px;
   padding: 0.5rem 0.85rem;
   background-color: var(--ground-black);
   border: var(--border-width) solid var(--border-heavy);
   color: var(--ink);
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   cursor: pointer;
   transition: background-color var(--duration-fast) var(--ease-sharp),
                     border-color var(--duration-fast) var(--ease-sharp),
                     color var(--duration-fast) var(--ease-sharp);
}


.nav-toggle:hover {
   background-color: var(--ground-surface);
   border-color: var(--accent);
   color: var(--accent);
}


.nav-toggle:active {
   background-color: var(--ground-deep);
   border-color: var(--accent-active);
}


.nav-toggle:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.nav-mobile-panel {
   display: none;

   width: 100%;
   background-color: var(--ground-deep);
   border-top: var(--border-width) solid var(--border-heavy);
   border-bottom: var(--border-thick) solid var(--border-heavy);
   padding: var(--space-s) var(--gutter);
}


.nav-mobile-panel[data-590ef6-open="true"] { display: block; }


.nav-mobile-list {
   list-style: none;
   margin: 0;
   padding: 0;
   display: flex;
   flex-direction: column;
   gap: 0.25rem;
}


.nav-mobile-list li { margin: 0; }


.nav-mobile-list .nav-link {
   display: flex;
   justify-content: space-between;
   padding: 0.75rem 0.5rem;
   border-bottom: 1px solid var(--border-heavy);
   width: 100%;
}


@media (max-width: 900px) {
   .nav-desktop { display: none; }
   .nav-toggle { display: inline-flex; }
}


.btn {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   gap: 0.65rem;
   min-height: 48px;
   padding: 0.75rem 1.65rem;
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);

   text-decoration: none;
   cursor: pointer;
   border: var(--border-width) solid transparent;
   line-height: 1;
   text-align: center;
   white-space: normal;
   word-break: break-word;
   transition: background-color var(--duration-fast) var(--ease-sharp),
                     border-color var(--duration-fast) var(--ease-sharp),
                     color var(--duration-fast) var(--ease-sharp),
                     box-shadow var(--duration-fast) var(--ease-sharp);
}


.btn-primary {
   background-color: var(--accent);
   color: var(--ground-black);
   border-color: var(--accent);
}


.btn-primary:hover {
   background-color: var(--accent-hover);
   border-color: var(--accent-hover);
   color: var(--ground-black);
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}


.btn-primary:active {
   background-color: var(--accent-active);
   border-color: var(--accent-active);
   color: var(--ground-black);
   box-shadow: none;
}


.btn-primary:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.btn-secondary {
   background-color: var(--ground-black);
   color: var(--ink);
   border-color: var(--border-heavy);
}


.btn-secondary:hover {
   background-color: var(--ground-surface);
   border-color: var(--accent);
   color: var(--accent);
}


.btn-secondary:active {
   background-color: var(--ground-deep);
   border-color: var(--accent-active);
   color: var(--ink);
}


.btn-secondary:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.btn-subtle {
   background-color: transparent;
   color: var(--ink);
   border-color: var(--border-heavy);
}


.btn-subtle:hover {
   background-color: rgba(200, 150, 62, 0.1);
   border-color: var(--accent);
   color: var(--accent);
}


.btn-subtle:active {
   background-color: rgba(200, 150, 62, 0.2);
   border-color: var(--accent-active);
}


.btn-subtle:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.btn-sm {
   min-height: 44px;
   padding: 0.5rem 1.15rem;
   font-size: var(--step--1);
}


.btn-block {
   display: flex;
   width: 100%;
}


.badge {
   display: inline-flex;
   align-items: center;
   gap: 0.4rem;
   min-height: 28px;
   padding: 0.25rem 0.65rem;
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   background-color: var(--ground-black);
   color: var(--ink);
   border: 1px solid var(--border-heavy);
   line-height: 1;
}


.badge-accent {
   background-color: var(--accent-muted);
   color: var(--accent);
   border-color: var(--accent);
}


.badge-tag {
   background-color: var(--ground-surface);
   color: var(--ink-muted);
   border-color: var(--border-light);
}


.spec-ticker {
   display: none !important;
   width: 100%;
   overflow: hidden;
   overflow: clip;
   background-color: var(--ground-black);
   border-top: var(--border-width) solid var(--border-heavy);
   border-bottom: var(--border-thick) solid var(--border-heavy);
   padding-block: 0.75rem;
   position: relative;
   user-select: none;
   contain: paint;
}


.spec-ticker-track {
   display: flex;
   white-space: nowrap;
   width: max-content;
   animation: tickerScroll 42s linear infinite;
}


.spec-ticker-group {
   display: flex;
   align-items: center;
   gap: 2rem;
   padding-inline: 1rem;
}


.spec-ticker-item {
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   font-weight: 500;
   text-transform: uppercase;
   letter-spacing: var(--tracking-wider);
   color: var(--ink);
   display: inline-flex;
   align-items: center;
   gap: 2rem;
}


.spec-ticker-item::after {
   content: '◆';
   color: var(--accent);
   font-size: 0.75em;
}


@keyframes tickerScroll {
   from { transform: translateX(0); }
   to { transform: translateX(-50%); }
}


.spec-ticker:hover .spec-ticker-track { animation-play-state: paused; }


.plate-block {
   width: 100%;
   padding-block: var(--space-2xl);
   border-bottom: var(--border-thick) solid var(--border-heavy);
}


.plate-figure {
   margin: 0;
   width: 100%;
   position: relative;
}


.plate-media-wrap {
   width: 100%;
   background-color: var(--ground-black);
   border: var(--border-width) solid var(--border-heavy);
   overflow: hidden;
   position: relative;
}


.plate-media-wrap img {
   width: 100%;
   height: auto;
   aspect-ratio: 16 / 10;
   object-fit: cover;
   display: block;
}


.plate-media-wrap.aspect-tall img { aspect-ratio: 4 / 3; }


.plate-media-wrap.aspect-wide img { aspect-ratio: 21 / 9; }


.plate-caption {
   margin-top: var(--space-m);
   max-width: var(--max-width-caption);
   padding-inline-start: var(--space-s);
   border-inline-start: var(--border-thick) solid var(--accent);
}


.plate-caption-lead {
   display: block;
   font-family: var(--rubi-16b);
   font-size: var(--rubi-c89);
   font-weight: 700;
   text-transform: uppercase;
   letter-spacing: var(--tracking-tight);
   color: var(--ink);
   line-height: var(--leading-tight);
   margin-block-end: 0.5rem;
}


.plate-caption-body {
   font-family: var(--rubi-796);
   font-size: var(--rubi-f3c);
   line-height: var(--leading-snug);
   color: var(--ink-muted);
   margin: 0;
}


.plate-spec-meta {
   margin-top: var(--space-xs);
   display: flex;
   flex-wrap: wrap;
   gap: 0.5rem 1rem;
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   color: var(--ink);
}


.plate-spec-meta span {
   display: inline-flex;
   align-items: center;
   gap: 0.35rem;
}


.plate-spec-meta .meta-accent {
   color: var(--accent);
   font-weight: 600;
}


.plate-spec-meta .meta-label {
   color: var(--ink-muted);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
}


.model-stage {
   position: relative;
   width: 100%;
   min-height: 480px;
   background-color: var(--ground-black);
   border: var(--border-width) solid var(--border-heavy);
   overflow: hidden;
}


.model-stage [data-model-still] {
   width: 100%;
   height: 480px;
   object-fit: cover;
   display: block;
}


.model-stage [data-model-canvas] {
   position: absolute;
   inset: 0;
   width: 100%;
   height: 100%;
   display: block;
}


.model-stage[data-model-live] [data-model-still] { display: none !important; }


.model-hint {
   position: absolute;
   bottom: 0.75rem;
   right: 0.75rem;
   z-index: 10;
   background-color: rgba(7, 20, 20, 0.94);
   border: 1px solid var(--border-heavy);
   padding: 0.35rem 0.65rem;
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink);
   pointer-events: none;
}


.spec-table-block {
   margin-block: var(--space-l);
   border: var(--border-width) solid var(--border-heavy);
   background-color: var(--ground-deep);
   overflow-x: auto;
   -webkit-overflow-scrolling: touch;
   max-width: 100%;
}


.spec-table-block header {
   padding: var(--space-s) var(--space-m);
   background-color: var(--ground-black);
   border-bottom: var(--border-width) solid var(--border-heavy);
   display: flex;
   justify-content: space-between;
   align-items: center;
   flex-wrap: wrap;
   gap: 0.5rem;
}


.spec-table-block h3 {
   font-size: var(--rubi-503);
   margin: 0;
}


.spec-table {
   width: 100%;
   border-collapse: collapse;
}


.spec-table tr:last-child td,
.spec-table tr:last-child th { border-bottom: 0; }


.spec-table th,
.spec-table td {
   padding: 0.85rem var(--space-m);
   overflow-wrap: break-word;
   word-break: break-word;
}


.spec-table td.spec-val {
   font-family: var(--rubi-43d);
   color: var(--ink);
   font-weight: 500;
}


.spec-table td.spec-basis {
   color: var(--accent);
   font-family: var(--rubi-43d);
}


.form-shell {
   background-color: var(--ground-deep);
   border: var(--border-width) solid var(--border-heavy);
   padding: var(--space-l);
   position: relative;
}


.form-shell::before {
   content: "";
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   height: 4px;
   background-color: var(--accent);
}


.form-grid {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: var(--space-m);
}


@media (max-width: 680px) {
   .form-grid { grid-template-columns: 1fr; }
}


.form-group {
   display: flex;
   flex-direction: column;
   gap: 0.4rem;
   min-width: 0;
}


.form-group-full { grid-column: 1 / -1; }


.form-label {
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink);
   display: flex;
   align-items: center;
   justify-content: space-between;
}


.form-label .label-sub {
   color: var(--ink-muted);
   font-size: 0.85em;
   text-transform: none;
}


.form-input,
.form-select,
.form-textarea {
   width: 100%;
   min-height: 46px;
   padding: 0.65rem 0.85rem;
   background-color: var(--ground-black);
   border: var(--border-width) solid var(--border-heavy);
   color: var(--ink);
   font-family: var(--rubi-796);
   font-size: var(--rubi-f3c);
   transition: border-color var(--duration-fast) var(--ease-sharp),
                     box-shadow var(--duration-fast) var(--ease-sharp),
                     background-color var(--duration-fast) var(--ease-sharp);
}


.form-input:hover,
.form-select:hover,
.form-textarea:hover { border-color: var(--ink-muted); }


.form-input:focus,
.form-select:focus,
.form-textarea:focus {
   outline: none;
   border-color: var(--accent);
   box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.25);
}


.form-input:active,
.form-select:active,
.form-textarea:active { background-color: var(--ground-deep); }


.form-textarea {
   min-height: 120px;
   resize: vertical;
}


.form-checkbox-label {
   display: flex;
   align-items: flex-start;
   gap: 0.65rem;
   font-size: var(--step--1);
   color: var(--ink-muted);
   cursor: pointer;
   line-height: var(--leading-snug);
}


.form-checkbox {
   appearance: none;
   -webkit-appearance: none;
   width: 20px;
   height: 20px;
   flex-shrink: 0;
   margin-top: 0.15rem;
   background-color: var(--ground-black);
   border: var(--border-width) solid var(--border-heavy);
   cursor: pointer;
   position: relative;
   transition: border-color var(--duration-fast) var(--ease-sharp),
                     background-color var(--duration-fast) var(--ease-sharp);
}


.form-checkbox:checked {
   background-color: var(--accent);
   border-color: var(--accent);
}


.form-checkbox:checked::after {
   content: "";
   position: absolute;
   left: 6px;
   top: 2px;
   width: 5px;
   height: 10px;
   border: solid var(--ground-black);
   border-width: 0 2px 2px 0;
   transform: rotate(45deg);
}


.form-checkbox:hover { border-color: var(--accent); }


.form-checkbox:active { background-color: var(--ground-surface); }


.form-checkbox:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.form-error-msg {
   display: none;
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   color: var(--danger);
   margin-top: 0.25rem;
}


.has-error .form-input,
.has-error .form-select,
.has-error .form-textarea,
.has-error .form-checkbox { border-color: var(--danger); }


.has-error .form-error-msg { display: block; }


.form-status {
   padding: var(--space-s);
   border: var(--border-width) solid var(--border-heavy);
   margin-block-start: var(--space-m);
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   display: none;
}


.form-status.status-success {
   display: block;
   border-color: var(--success);
   background-color: var(--success-bg);
   color: var(--ink);
}


.form-status.status-error {
   display: block;
   border-color: var(--danger);
   background-color: var(--danger-bg);
   color: var(--ink);
}


.site-footer {
   background-color: var(--ground-black);
   border-top: var(--border-thick) solid var(--border-heavy);
   padding-block-start: var(--space-2xl);
   padding-block-end: var(--space-xl);
   position: relative;
}


.footer-top {
   display: grid;
   grid-template-columns: 2fr 1fr 1fr 1fr;
   gap: var(--space-l);
   padding-block-end: var(--space-xl);
   border-bottom: var(--border-width) solid var(--border-heavy);
}


@media (max-width: 900px) {
   .footer-top { grid-template-columns: 1fr 1fr; }
}


@media (max-width: 580px) {
   .footer-top { grid-template-columns: 1fr; }
}


.footer-brand .brand img {
   height: 3.8rem;
   width: auto;
   margin-block-end: var(--space-s);
}


.footer-col-title {
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   text-transform: uppercase;
   letter-spacing: var(--tracking-wider);
   color: var(--accent);
   margin-block-end: var(--space-s);
   display: block;
}


.footer-list {
   list-style: none;
   padding: 0;
   margin: 0;
   display: flex;
   flex-direction: column;
   gap: 0.5rem;
}


.footer-list li { margin: 0; }


.footer-list a {
   color: var(--ink-muted);
   text-decoration: none;
   font-size: var(--step--1);
   display: inline-flex;
   align-items: center;
   min-height: 44px;
   padding-block: 0.25rem;
   transition: color var(--duration-fast) var(--ease-sharp);
}


.footer-list a:hover { color: var(--accent); }


.footer-list a:active { color: var(--accent-active); }


.footer-list a:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.footer-legal-row {
   padding-block-start: var(--space-l);
   display: flex;
   flex-wrap: wrap;
   align-items: center;
   justify-content: space-between;
   gap: var(--space-m);
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   color: var(--ink-muted);
}


.footer-legal-links {
   display: flex;
   flex-wrap: wrap;
   gap: 1.25rem;
   align-items: center;
}


.footer-legal-links a,
.footer-legal-links button {
   color: var(--ink-muted);
   text-decoration: none;
   background: none;
   border: none;
   cursor: pointer;
   font-family: inherit;
   font-size: inherit;
   min-height: 44px;
   display: inline-flex;
   align-items: center;
   padding: 0.25rem 0;
   transition: color var(--duration-fast) var(--ease-sharp);
}


.footer-legal-links a:hover,
.footer-legal-links button:hover { color: var(--accent); }


.footer-legal-links a:active,
.footer-legal-links button:active { color: var(--accent-active); }


.footer-legal-links a:focus-visible,
.footer-legal-links button:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.footer-verbatim-facts {
   padding-block: var(--space-m);
   border-bottom: 1px solid var(--border-heavy);
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   color: var(--ink-muted);
   display: flex;
   flex-wrap: wrap;
   gap: 1.5rem;
}


.footer-verbatim-facts span {
   display: inline-flex;
   align-items: center;
   gap: 0.4rem;
}


.footer-verbatim-facts strong { color: var(--ink); }


.cookie-banner {
   position: fixed;
   bottom: 0;
   left: 0;
   right: 0;
   z-index: 9990;
   background-color: var(--ground-black);
   border-top: var(--border-thick) solid var(--accent);
   padding: var(--space-s) var(--gutter);
   box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.6);
   max-height: 20vh;
   overflow-y: auto;
}


.cookie-banner[hidden] { display: none !important; }


.cookie-banner-inner {
   max-width: var(--max-width);
   margin-inline: auto;
   display: flex;
   align-items: center;
   justify-content: space-between;
   flex-wrap: wrap;
   gap: var(--space-s);
}


.cookie-banner-copy {
   font-family: var(--rubi-796);
   font-size: var(--step--1);
   color: var(--ink);
   margin: 0;
   max-width: 60ch;
   line-height: var(--leading-snug);
}


.cookie-banner-copy a {
   color: var(--accent);
   text-decoration: underline;
}


.cookie-banner-actions {
   display: flex;
   gap: 0.75rem;
   flex-shrink: 0;
}


.cookie-banner-actions .btn {
   min-height: 44px;
   padding: 0.45rem 1rem;
   font-size: var(--step--1);
}


.chat-launcher {
   position: fixed;
   bottom: 1.5rem;
   right: 1.5rem;
   z-index: 9900;
   display: inline-flex;
   align-items: center;
   justify-content: center;
   gap: 0.5rem;
   min-height: 48px;
   min-width: 48px;
   padding: 0.65rem 1.15rem;
   background-color: var(--accent);
   color: var(--ground-black);
   border: var(--border-width) solid var(--ink);
   box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   font-weight: 700;
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   cursor: pointer;
   transition: background-color var(--duration-fast) var(--ease-sharp),
                     border-color var(--duration-fast) var(--ease-sharp),
                     color var(--duration-fast) var(--ease-sharp),
                     box-shadow var(--duration-fast) var(--ease-sharp),
                     bottom var(--duration-base) var(--ease-out);
}


.chat-launcher:hover {
   background-color: var(--accent-hover);
   border-color: var(--ink);
   box-shadow: 0 6px 20px rgba(0, 0, 0, 0.55);
}


.chat-launcher:active {
   background-color: var(--accent-active);
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}


.chat-launcher:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


body.cookie-banner-visible .chat-launcher { bottom: calc(1.5rem + 70px); }


.chat-unread-badge {
   display: none;
   min-width: 20px;
   height: 20px;
   padding: 0 5px;
   background-color: #b52b1e;
   color: #ffffff;
   border-radius: 10px;
   font-size: 0.75rem;
   font-family: var(--rubi-43d);
   font-weight: 700;
   line-height: 20px;
   text-align: center;
}


.chat-unread-badge.is-visible { display: inline-block; }


.chat-panel {
   position: fixed;
   bottom: 5.5rem;
   right: 1.5rem;
   z-index: 9950;
   width: min(380px, calc(100vw - 3rem));
   max-height: min(540px, 80vh);
   background-color: var(--ground-deep);
   border: var(--border-thick) solid var(--border-heavy);
   box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
   display: flex;
   flex-direction: column;
}


.chat-panel[hidden] { display: none !important; }


.chat-panel-header {
   background-color: var(--ground-black);
   padding: 0.75rem 1rem;
   border-bottom: var(--border-width) solid var(--border-heavy);
   display: flex;
   align-items: center;
   justify-content: space-between;
}


.chat-panel-title {
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   font-weight: 700;
   text-transform: uppercase;
   letter-spacing: var(--tracking-wide);
   color: var(--ink);
   display: flex;
   align-items: center;
   gap: 0.5rem;
}


.chat-panel-title::before {
   content: "";
   display: inline-block;
   width: 8px;
   height: 8px;
   background-color: var(--success);
}


.chat-close-btn {
   background: none;
   border: 1px solid var(--border-heavy);
   color: var(--ink-muted);
   min-height: 44px;
   min-width: 44px;
   display: inline-flex;
   align-items: center;
   justify-content: center;
   cursor: pointer;
   padding: 0.25rem;
   transition: color var(--duration-fast) var(--ease-sharp),
                     border-color var(--duration-fast) var(--ease-sharp),
                     background-color var(--duration-fast) var(--ease-sharp);
}


.chat-close-btn:hover {
   color: var(--ink);
   border-color: var(--accent);
   background-color: var(--ground-surface);
}


.chat-close-btn:active {
   background-color: var(--ground-deep);
   color: var(--accent-active);
}


.chat-close-btn:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}


.chat-body {
   padding: 1rem;
   overflow-y: auto;
   flex: 1;
   display: flex;
   flex-direction: column;
   gap: 0.75rem;
   background-color: var(--ground);
}


.chat-msg {
   padding: 0.65rem 0.85rem;
   font-size: var(--step--1);
   line-height: var(--leading-snug);
   max-width: 85%;
   word-break: break-word;
}


.chat-msg-bot {
   align-self: flex-start;
   background-color: var(--ground-black);
   border: 1px solid var(--border-heavy);
   color: var(--ink);
}


.chat-msg-user {
   align-self: flex-end;
   background-color: var(--accent);
   color: var(--ground-black);
   font-weight: 500;
}


.chat-intro-form {
   display: flex;
   flex-direction: column;
   gap: 0.65rem;
   background-color: var(--ground-black);
   padding: 0.85rem;
   border: 1px solid var(--border-heavy);
}


.chat-intro-form p {
   font-size: var(--step--1);
   color: var(--ink-muted);
   margin-bottom: 0.25rem;
}


.chat-footer {
   padding: 0.75rem;
   background-color: var(--ground-black);
   border-top: var(--border-width) solid var(--border-heavy);
   display: flex;
   gap: 0.5rem;
}


.chat-input {
   flex: 1;
   min-height: 44px;
   background-color: var(--ground-deep);
   border: 1px solid var(--border-heavy);
   color: var(--ink);
   padding: 0.5rem 0.75rem;
   font-size: var(--step--1);
}


.chat-input:focus {
   outline: none;
   border-color: var(--accent);
}


.chat-send-btn {
   min-height: 44px;
   padding: 0.5rem 1rem;
   background-color: var(--accent);
   color: var(--ground-black);
   border: none;
   font-family: var(--rubi-43d);
   font-size: var(--step--1);
   font-weight: 600;
   text-transform: uppercase;
   cursor: pointer;
   transition: background-color var(--duration-fast) var(--ease-sharp);
}


.chat-send-btn:hover { background-color: var(--accent-hover); }


.chat-send-btn:active { background-color: var(--accent-active); }


.chat-send-btn:focus-visible {
   outline: var(--focus-ring);
   outline-offset: var(--focus-offset);
}