/* Site enhancement: accessible Light / Dark Mode without altering approved grid layout. */
.theme-toggle{margin-left:21px;display:flex;align-items:center;justify-content:center;gap:8px;min-width:87px;min-height:40px;padding:9px 11px;border:1px solid var(--border);background:var(--paper);color:var(--ink);font-weight:700;font-size:10px;letter-spacing:.07em;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.theme-toggle:hover{border-color:var(--accent)}.theme-toggle #theme-icon{font-size:19px;font-weight:400;line-height:1}
@media(max-width:760px){.theme-toggle{margin-left:auto;margin-right:9px;min-width:44px;width:44px;height:44px;padding:7px}.theme-label{display:none}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#171a1c;--paper:#212527;--ink:#eeefeb;--muted:#a6aea9;--border:#414845;--soft:#292e2f;--accent:#c5a990}
:root[data-theme="dark"] body{background:var(--bg);color:var(--ink)}
:root[data-theme="dark"] .site-header{background:#1b1e20;border-color:var(--border)}
:root[data-theme="dark"] .brand-slash{color:#999e99}
:root[data-theme="dark"] .brand-dot,:root[data-theme="dark"] .footer-brand span{color:#c9aa8a}
:root[data-theme="dark"] .contact-nav{border-color:var(--border)}
:root[data-theme="dark"] .hero-topline,:root[data-theme="dark"] .hero-bottom{color:#a6aaa6}
:root[data-theme="dark"] .hero h1 em,:root[data-theme="dark"] .about-heading em{color:#c3afa0}
:root[data-theme="dark"] .hero-aside p,:root[data-theme="dark"] .about-body>p:not(.about-large),:root[data-theme="dark"] .dialog-body>p{color:#b8c0ba}
:root[data-theme="dark"] .inline-cta{border-color:#b8c0ba}
:root[data-theme="dark"] .filter-chip{color:#aeb6b0}
:root[data-theme="dark"] .filter-chip:hover{color:var(--ink);background:#303638}
:root[data-theme="dark"] .filter-chip.is-active{background:#d8d9d1;color:#202421;border-color:#d8d9d1}
:root[data-theme="dark"] .project-meta,:root[data-theme="dark"] .project-count,:root[data-theme="dark"] .project-arrow,:root[data-theme="dark"] .section-index{color:#a9afaa}
:root[data-theme="dark"] .project-media{background:#34393a}
:root[data-theme="dark"] .project-hover-arrow{background:#202426;color:#eff0ea}
:root[data-theme="dark"] .about-section{background:#202526}
:root[data-theme="dark"] .about-meta{border-color:#474c48}
:root[data-theme="dark"] .about-meta div span,:root[data-theme="dark"] .dialog-facts span{color:#aeb5ae}
:root[data-theme="dark"] .serif-amp{color:#c2b09d}
:root[data-theme="dark"] .document-cover{color:#242622}
:root[data-theme="dark"] .document-body p,:root[data-theme="dark"] .doc-kind{color:#b2b9b2}
:root[data-theme="dark"] .doc-button{border-color:#a2aaa3}
:root[data-theme="dark"] .dialog-inner,:root[data-theme="dark"] .project-dialog{background:var(--paper);color:var(--ink)}
:root[data-theme="dark"] .dialog-close{color:var(--ink)}
:root[data-theme="dark"] .contribution-list{color:#c5cbc6}
:root[data-theme="dark"] .pdf-page-link{color:#f3f5ef;border-color:#848e85}
:root[data-theme="dark"] .mobile-nav:not([hidden]){background:#1b1e20}
:root[data-theme="dark"] .image-note,:root[data-theme="dark"] .docs-helper{color:#a7ada8}
:root[data-theme="dark"] .site-footer{background:#141718}
:root[data-theme="dark"] .contact-section{background:#24292a}
:root[data-theme="dark"] ::selection{background:#7c8f86;color:white}
:root[data-theme="dark"] .skip-link{background:var(--paper);color:var(--ink)}
/* Image viewer works by mouse/keyboard and touch. */
.dialog-image img,.dialog-gallery-img{cursor:zoom-in}
.image-lightbox{padding:0;max-width:min(96vw,1200px);width:100%;max-height:96dvh;border:0;background:#131516;color:white;box-shadow:0 20px 100px #000b}
.image-lightbox::backdrop{background:rgba(0,0,0,.87)}
.lightbox-inner{padding:18px 22px 14px}.lightbox-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11px;letter-spacing:.11em;color:#c4c9c6;margin-bottom:12px}
.lightbox-top button{border:1px solid #555;background:transparent;color:white;cursor:pointer;padding:9px 14px;font-size:11px;letter-spacing:.09em}
.lightbox-stage{display:grid;grid-template-columns:43px minmax(0,1fr) 43px;align-items:center;gap:8px}.lightbox-stage button{font-size:37px;font-weight:300;cursor:pointer;border:0;background:transparent;color:#d6d7d3;min-height:50px}
#lightbox-img{max-width:100%;max-height:calc(96dvh - 145px);width:100%;object-fit:contain;touch-action:pan-y;user-select:none}
#lightbox-caption{margin:12px 43px 0;font-size:12px;color:#c5c9c5}
@media(max-width:510px){.lightbox-inner{padding:12px 8px}.lightbox-stage{grid-template-columns:30px minmax(0,1fr) 30px;gap:2px}.lightbox-stage button{font-size:33px}#lightbox-img{max-height:calc(96dvh - 115px)}#lightbox-caption{margin:9px 30px 0;font-size:11px}}