.day-background{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .45s;pointer-events:none}
html[data-background-mode="day"] .day-background{opacity:1}
html[data-background-mode="day"] .ambient video,html[data-background-mode="day"] .bg video{opacity:0}
html[data-background-mode="day"] .explore-scene{background:#fff}
html[data-background-mode="day"] body[data-page="explore"] .topbar,html[data-background-mode="day"] body[data-page="explore"] .topbar .brand,html[data-background-mode="day"] .explore-heading,html[data-background-mode="day"] .explore-heading em{color:#242424}
html[data-background-mode="day"] .explore-heading p{color:#585858}
html[data-background-mode="day"] body[data-page="explore"] .topbar .micro,html[data-background-mode="day"] body[data-page="explore"] #aiStatus{color:#555}
html[data-background-mode="day"] body[data-page="explore"] .top-actions button{color:#252525;border-color:#7778}
html[data-background-mode="day"] .explore-hint{color:#343434;text-shadow:0 1px 4px #fff}
html[data-background-mode="day"] .explore-hint span{color:#666}
#background-toggle{flex-shrink:0}
@media(max-width:480px){.topbar>.top-actions{gap:6px}.top-actions #background-toggle{width:38px;height:38px;min-width:38px;padding:8px}}
@media(prefers-reduced-motion:reduce){.day-background{transition:none}}
html[data-background-mode="day"] body[data-page="explore"] .top-brand small,html[data-background-mode="day"] body[data-page="explore"] .topbar .mode{color:#666}
html[data-background-mode="day"] body[data-page="explore"] .top-brand .mark{color:#303030;border-color:#8888;box-shadow:inset 0 1px 1px #fff5}
html[data-background-mode="day"] .explore-hint{color:#eee;text-shadow:0 1px 3px #000,0 0 4px #000}
html[data-background-mode="day"] .explore-hint span{color:#ddd}

html[data-background-mode="day"] .explore-heading,html[data-background-mode="day"] .explore-heading em{color:#171717;text-shadow:0 1px 2px #fff,0 0 12px #fffc}

.ambient video.day-video,.bg video.day-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;pointer-events:none;transition:opacity .45s}
html[data-background-mode="day"] .ambient.day-video-ready video.day-video,html[data-background-mode="day"] .bg.day-video-ready video.day-video{opacity:1}
@media(prefers-reduced-motion:reduce){.ambient video.day-video,.bg video.day-video{transition:none}}