/* Site materials only; preserve geometry and DevMode. */
:root{--glass:var(--brand-surface-dark);--glass-on-light:var(--brand-surface-light);--glass-on-dark:var(--brand-surface-dark)}
.glass-panel,.hero-glass,.site-header,.site-header.solid,.site-header.light,.site-header.solid.light,
.journey-note,.byat-render-pause,.projects-menu,.mobile-sections[open],.contact-dialog,
#chatbot-panel,#chatbot-dock[data-mode=popup] #chatbot-panel,#chatbot-section #chatbot-panel{
 backdrop-filter:var(--brand-glass-blur);
 -webkit-backdrop-filter:var(--brand-glass-blur);
 box-shadow:var(--brand-shadow);
 border-color:var(--brand-border);
}
.hero-glass,.world-copy,.journey-note.project-note,.journey-note.project-note.on-dark,
.exterior-track .byat-panel,.exterior-window.over-image .byat-panel,.byat-render-pause,
.project-dialog,.contact-dialog,.projects-menu,.mobile-sections[open]{background:var(--brand-surface-light);color:var(--brand-white)}
.board-track .project-intro,.board-track .project-outro,.contact .contact-path{background:var(--brand-surface-dark);color:var(--brand-white)}
#casa .byat-panel,.furniture-lead,.interior-title,.interior-note,.house-chapter .chapter-copy{background:var(--brand-glass-white);color:var(--brand-plum);backdrop-filter:var(--brand-glass-blur);-webkit-backdrop-filter:var(--brand-glass-blur)}
#chatbot-dock[data-mode=popup] #chatbot-panel{background:var(--brand-glass-clear)}
#chatbot-section #chatbot-panel{background:var(--brand-surface-light);color:var(--brand-white)}
#chatbot-dock[data-mode=popup] .chatbot-message,#chatbot-dock[data-mode=popup] .chatbot-message.user{background:var(--brand-surface-light);color:var(--brand-white)}
#chatbot-dock[data-mode=popup] .chatbot-message.user{box-shadow:inset 0 0 0 1px var(--brand-border)}
#chatbot-dock[data-mode=popup] .chatbot-message.chatbot-consent{background:var(--brand-primary);color:var(--brand-plum)}
#chatbot-dock[data-mode=popup] .chatbot-footer{color:var(--brand-plum)}
#chatbot-panel .chatbot-actions button:hover,#chatbot-panel #chatbot-media-page:hover{filter:none;box-shadow:inset 0 0 0 1px var(--brand-plum)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
 .glass-panel,.hero-glass,.site-header,.journey-note,.projects-menu,.mobile-sections[open],.contact .contact-path,#chatbot-dock[data-mode=popup] #chatbot-panel,#chatbot-section #chatbot-panel{background:var(--brand-plum);color:var(--brand-white)}
 #casa .byat-panel,.furniture-lead,.interior-title,.interior-note,.house-chapter .chapter-copy{background:var(--brand-paper);color:var(--brand-plum)}
 #chatbot-dock[data-mode=popup] .chatbot-footer{color:var(--brand-muted)}
}
@media(prefers-reduced-transparency:reduce){
 .glass-panel,.hero-glass,.site-header,.journey-note,.projects-menu,.mobile-sections[open],.contact .contact-path,#chatbot-dock[data-mode=popup] #chatbot-panel,#chatbot-section #chatbot-panel{background:var(--brand-plum);color:var(--brand-white);backdrop-filter:none;-webkit-backdrop-filter:none}
 #casa .byat-panel,.furniture-lead,.interior-title,.interior-note,.house-chapter .chapter-copy{background:var(--brand-paper);color:var(--brand-plum)}
 #chatbot-dock[data-mode=popup] .chatbot-footer{color:var(--brand-muted)}
}