/* Light theme uses white/graphite foregrounds; the approved green tiles stay green. */
:root[data-education-theme="light"]{color-scheme:light;--canvas:#f8f8f8;--surface:#fff;--text:#1d1d1b;--muted:#515147;--line:rgba(29,29,27,.18);--graphite:linear-gradient(145deg,#fff,#f1f1eb);--accent-text:#466719}
[data-education-theme="light"] .page-frame{background:radial-gradient(ellipse 95vw 700px at 78% 0,rgba(164,214,94,.08),transparent 75%)}
[data-education-theme="light"] .page-frame::before{background-image:linear-gradient(rgba(29,29,27,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(29,29,27,.025) 1px,transparent 1px)}
[data-education-theme="light"] .page-light{background:radial-gradient(ellipse 700px 580px at var(--field-x,-1600px) var(--field-y,-1600px),rgba(164,214,94,.075),transparent 100%)}
[data-education-theme="light"] .brand img{filter:brightness(0)}
[data-education-theme="light"] .pill.dark{background:#fff;border-color:var(--line)}
[data-education-theme="light"] :is(.nav-menu a:hover,.lime,.hero-kicker,.tool-app,.ai-signal,.website-bonus h3,.tutor-role,.tutor-facts strong,.story-tag,.story-link,.career-label,.offer-details>summary:hover,.offer-details>summary::after,.offer-bonus,.program-route>summary:hover,.program-route>summary::after,.module>summary::after,.module>summary:hover .module-heading,.footer a:hover){color:var(--accent-text)}
[data-education-theme="light"] :is(a,button,summary,[tabindex]):focus-visible{outline-color:#466719}
[data-education-theme="light"] .hero-card{background:var(--surface);box-shadow:inset 0 1px 0 rgba(29,29,27,.04)}
[data-education-theme="light"] :is(.collage-heading,.collage-tools,.collage-ai){--card-surface:var(--graphite)}
[data-education-theme="light"] .cta.secondary{background:#fff;color:var(--text);border-color:rgba(29,29,27,.3)}
[data-education-theme="light"] .cta.secondary:hover{background:var(--mint);color:var(--ink)}
[data-education-theme="light"] .light-card::after{border-color:rgba(70,103,25,.35)}
[data-education-theme="light"] :is(.hero-card,.light-card):is(:hover,:focus-within){border-color:rgba(70,103,25,.45)}
[data-education-theme="light"] .course-offers .offer{background:var(--graphite);border-color:var(--line);box-shadow:inset 0 1px 0 #fff,0 24px 56px rgba(29,29,27,.07)}
[data-education-theme="light"] .course-offers .offer.featured{background:linear-gradient(150deg,#eff5df,#fff 65%);border-color:#60812b}
[data-education-theme="light"] .offer-badge{background:#edf5da;color:#354c17;border-color:#879d64}
[data-education-theme="light"] :is(.offer-label,.offer-lead,.offer-stats dt,.offer-highlights,.offer-mini-bonus,.offer-rhythm,.offer-details>summary){color:var(--muted)}
[data-education-theme="light"] .course-offers .offer:not(.featured)>.cta{background:#fff;color:var(--text);border-color:rgba(29,29,27,.3)}
[data-education-theme="light"] .course-offers .offer:not(.featured)>.cta:hover{background:var(--mint);color:var(--ink);border-color:#879d64}
[data-education-theme="light"] :is(.offer-highlights,.offer-details-body){border-color:var(--line)}
[data-education-theme="light"] .offer-highlights li::before{border-color:#466719;background:radial-gradient(circle,#466719 1px,transparent 2px)}
[data-education-theme="light"] .offer-bonus{background:#eef6df;border-color:#879d64}
[data-education-theme="light"] :is(.program-route,.module,.ai-tools article,.ai-tools article:last-child,.tutor-facts>div,.tutor-story,.tutor-story-2,.tutor-story-3,.tutor-story-5,.original-review,.original-review figcaption,.review-controls button,.review-close,.review-dialog){background:var(--surface)}
[data-education-theme="light"] :is(.website-bonus,.contact-panel){background:linear-gradient(130deg,#edf5db,#fff);border-color:#879d64}
[data-education-theme="light"] .tool-mark{background:linear-gradient(135deg,#eaf3d8,#fff);border-color:#879d64;box-shadow:inset 0 1px 7px rgba(70,103,25,.1)}
[data-education-theme="light"] .tool-mark::before,[data-education-theme="light"] .tool-mark::after{color:#466719}
[data-education-theme="light"] .tool-mark-motion::after{border-color:#879d64}
[data-education-theme="light"] .method article{background:var(--surface)}
[data-education-theme="light"] .method article:nth-child(2){background:#a4d65e}
[data-education-theme="light"] .method-mark{border-color:#466719;background:radial-gradient(circle at 25% 20%,rgba(70,103,25,.2),transparent 70%)}
[data-education-theme="light"] :is(.tutor-lead,.story-body .story-lead,.ai-copy .ai-context){color:var(--muted)}
[data-education-theme="light"] .story-tag{border-color:#879d64}
[data-education-theme="light"] .story-body .story-takeaway{color:var(--muted);background:#eff5e3;border-left-color:#60812b}
/* Museum photographs keep dark overlays and white copy in either theme. */
[data-education-theme="light"] .museum-project h4{color:#f8f8f8}
[data-education-theme="light"] .museum-project p{color:#e0e0d7}
[data-education-theme="light"] .original-review figcaption span:last-child{color:#466719}
[data-education-theme="light"] :is(.review-controls button:hover:not(:disabled),.review-close:hover){background:var(--mint);color:var(--ink)}
[data-education-theme="light"] .education-page .cgd-consent{background:#fff;border-color:var(--line);box-shadow:0 8px 32px rgba(29,29,27,.15)}
[data-education-theme="light"] .education-page .cgd-consent button:focus-visible,[data-education-theme="light"] .education-page .cgd-consent-settings:focus-visible{outline-color:#466719}
/* The showreel label stays white over its dark video overlay. */
[data-education-theme="light"] .collage-reel{--content-on:#f8f8f8;--muted-on:#e0e0d7}