/* The reference artwork owns its style; this shell stays quiet and useful. */
:root,:root.force-light,:root:not(.force-dark){color-scheme:light;--bg:#f5f2e9;--surface:#fffcf5;--surface-2:#eeece2;--surface-3:#e7e8dc;--text:#283a30;--text-dim:#4f6054;--text-muted:#647064;--card-border:#d7dbcf;--card-border-hover:#477553;--header-bg:#faf8f0;--shell-accent:#426d4b;--shell-card:#2d503c;--green:#416e49;--purple:#586c59;--cyan:#406c70;--pink:#8a6156;--blue:#486a81;--orange:#937030}
:root.force-dark{color-scheme:dark;--bg:#14201c;--surface:#1b2b23;--surface-2:#24372d;--surface-3:#304338;--text:#edf0e7;--text-dim:#c4cec2;--text-muted:#a4b3a5;--card-border:#3b5042;--card-border-hover:#afc4a8;--header-bg:#19271f;--shell-accent:#aac4a5;--shell-card:#294532;--green:#afc4a8;--purple:#b6bca5;--cyan:#a3c4c4;--pink:#d2b3a3;--blue:#a7bfd1;--orange:#d0bd89}
@media(prefers-color-scheme:dark){:root:not(.force-light){color-scheme:dark;--bg:#14201c;--surface:#1b2b23;--surface-2:#24372d;--surface-3:#304338;--text:#edf0e7;--text-dim:#c4cec2;--text-muted:#a4b3a5;--card-border:#3b5042;--card-border-hover:#afc4a8;--header-bg:#19271f;--shell-accent:#aac4a5;--shell-card:#294532;--green:#afc4a8;--purple:#b6bca5;--cyan:#a3c4c4;--pink:#d2b3a3;--blue:#a7bfd1;--orange:#d0bd89}}
html,html *,html *::before,html *::after{transition:none}
body{font-family:Inter,system-ui,sans-serif}.grid-texture,.ambient-canvas{display:none}
.header{position:sticky;top:0;padding:12px 26px;min-height:65px;background:var(--header-bg);border-bottom:1px solid var(--card-border);gap:20px}
.logo{gap:10px}.logo-icon{background:var(--shell-card);border-radius:4px;width:30px;height:30px;box-shadow:none}.logo-text{font-size:17px;letter-spacing:-.03em}.logo-sub{display:none}.header-controls{gap:9px;display:flex;align-items:center}
.header .portfolio-return{padding:0;border:0;color:var(--text-dim);font-size:12px;white-space:nowrap;text-decoration:none;margin-right:auto}.header .portfolio-return:hover{text-decoration:underline}
.museum-header-btn,.tm-header-btn{width:auto;height:34px;padding:0 12px;gap:7px;background:var(--surface);border:1px solid var(--card-border);border-radius:5px;color:var(--text);font:12px Inter,system-ui;box-shadow:none;transform:none}.museum-header-btn:hover,.tm-header-btn:hover{background:var(--surface-2);transform:none;box-shadow:none}.museum-header-btn svg,.tm-header-btn svg{width:15px;height:15px}.theme-toggle{padding:2px;border-radius:5px;background:var(--surface);gap:1px}.theme-toggle-btn{border-radius:3px;width:29px;height:29px;color:var(--text-muted)}
.main{padding:30px 26px 70px;max-width:1500px}.hero{text-align:left;margin-bottom:22px;animation:none}.hero-title{font:600 28px/1.2 Inter,system-ui;letter-spacing:-.04em;color:var(--text);background:none;-webkit-text-fill-color:currentColor;margin:0 0 8px;padding:0}.hero-subtitle{font-size:14px;color:var(--text-dim);max-width:none;margin:0;line-height:1.6}
.nav-tabs{justify-content:flex-start;gap:6px;margin-bottom:24px;padding-bottom:15px}.nav-tab{padding:9px 15px;border-radius:5px;font-size:13px;color:var(--text-dim)}.nav-tab.active{background:var(--shell-card);color:#f6f8ee}.nav-tab:hover{background:var(--surface-2)}.nav-tab.active:hover{background:var(--shell-card)}
.catalog-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.catalog-search{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:12px}.catalog-search input{width:300px;max-width:100%;padding:10px 12px;border:1px solid var(--card-border);border-radius:5px;background:var(--surface);color:var(--text);font:13px Inter,system-ui}.catalog-count{font:11px 'JetBrains Mono',monospace;white-space:nowrap;color:var(--text-muted)}.catalog-empty{padding:35px 0;color:var(--text-dim)}[hidden]{display:none!important}
.section-header{gap:10px;margin-top:30px;margin-bottom:12px}.section-number{background:none;padding:0;color:var(--text-muted);font-size:10px}.section-title{text-transform:none;letter-spacing:0;font-size:15px;font-weight:600;color:var(--text)}.section-line{background:var(--card-border)}.section-description{margin:0 0 16px!important;font-size:12px!important;line-height:1.6}
.territories{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;max-width:none}.territory-card{border-radius:6px;border:1px solid var(--card-border);background:var(--shell-card);box-shadow:0 2px 3px #10241a12;animation:none}.territory-card:hover{transform:none;border-color:var(--shell-accent);box-shadow:0 0 0 1px var(--shell-accent)}.territory-card::before{display:none}.territory-preview{aspect-ratio:16/10;background-color:var(--surface-2)}.territory-info{padding:15px;border-top:0;color:#f6f8ef;min-height:125px}.territory-header{gap:10px;margin-bottom:8px}.territory-name{font-size:14px;line-height:1.35}.territory-badge{font:9px 'JetBrains Mono',monospace;color:#d1ddc9;background:transparent;padding:2px 0;letter-spacing:0;flex-shrink:0}.territory-feeling{color:#d5dfd1;font-size:12px;line-height:1.5;margin-bottom:12px}.territory-tag{background:#ffffff0b;color:#d5dfd1;font-size:9px;padding:3px 6px;border-radius:3px}
.modal,.modal.visible{transform:none;background:var(--bg)}.modal::before,.modal::after{display:none}.modal-close{background:var(--surface);border:1px solid var(--card-border);border-radius:5px;color:var(--text);top:16px;left:20px}.modal-hero{padding-top:80px}.modal-hero-bg{opacity:.07}.modal-title{font-family:Inter,system-ui;letter-spacing:-.04em;font-size:38px;color:var(--text)}.modal-subtitle{color:var(--text-dim)}.modal-card{background:var(--surface);border:1px solid var(--card-border);border-radius:6px;box-shadow:none}.modal-section-title{color:var(--text-dim)}.modal-section-title::after{background:var(--card-border)}.modal-badge{background:var(--surface-2);color:var(--text-dim)}.prompt-copy-btn{background:var(--shell-card);color:#fff;border-radius:5px}.edu-hero{text-align:left;padding:10px 0 24px}.edu-hero-title{font:600 28px Inter,system-ui;background:none;-webkit-text-fill-color:currentColor;color:var(--text)}.edu-hero-subtitle{margin:10px 0;color:var(--text-dim);font-size:14px}.edu-principle,.edu-pattern,.edu-card{background:var(--surface);border:1px solid var(--card-border);border-radius:6px;box-shadow:none}.edu-principle-title,.edu-pattern-title{color:var(--text)}
.header button:focus-visible,.nav-tab:focus-visible,.territory-card:focus-visible,.catalog-search input:focus-visible,.portfolio-return:focus-visible{outline:2px solid var(--shell-accent);outline-offset:3px}
@media(min-width:1600px){.territories{grid-template-columns:repeat(5,minmax(0,1fr))}}
@media(max-width:1000px){.territories{grid-template-columns:repeat(3,minmax(0,1fr))}.header{flex-wrap:wrap}.header-controls{margin-left:auto}}
@media(max-width:680px){.header{position:relative;padding:14px 16px;gap:12px}.header .portfolio-return{margin-left:auto;margin-right:0}.header-controls{width:100%;justify-content:flex-start;margin:0}.theme-toggle{margin-left:auto}.main{padding:24px 16px 50px}.hero-title{font-size:25px}.territories{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.territory-info{padding:12px;min-height:145px}.territory-header{display:block}.territory-badge{display:none}.territory-name{font-size:13px}.territory-tags{gap:4px}.catalog-tools{align-items:flex-start;flex-direction:column;gap:10px}.catalog-search{width:100%;display:block}.catalog-search span{display:block;margin-bottom:6px}.catalog-search input{width:100%}.modal-title{font-size:30px}.modal-close{left:16px}.section-description{max-width:100%!important}}
@media(max-width:360px){.territories{grid-template-columns:1fr}}
.modal,.modal-overlay,.modal.visible,.modal-overlay.visible{transition:none}
.modal-hero{background:var(--surface)!important;min-height:0;padding:84px 24px 28px;border-bottom:1px solid var(--card-border)}
.modal-hero-content{padding:0;max-width:1000px}.modal-subtitle{font-size:16px;line-height:1.65;max-width:720px}.modal-badge{margin-bottom:12px;border-radius:4px}.modal-title{margin-bottom:14px}.modal-body{padding:32px 24px 70px;max-width:1048px}.modal-section{margin-bottom:32px}
@media(max-width:680px){.modal-hero{padding:78px 20px 24px}.modal-body{padding:24px 20px 60px}.modal-hero-content{padding:0}.modal-subtitle{font-size:15px}}
.modal-close{background:var(--surface)!important;color:var(--text)!important;border-color:var(--card-border)!important}
/* A guide is a document with two complementary columns, not nested scrollers. */
html.guide-open{overflow:hidden;overscroll-behavior:none;scrollbar-gutter:stable}
.modal-content{min-height:0;overflow-y:auto;overscroll-behavior-y:contain;scroll-behavior:auto;touch-action:pan-y}
.modal-body.guide-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;max-width:1420px;padding:28px 32px 80px;align-items:start}
.guide-column{min-width:0}.guide-column-title{font:600 13px Inter,system-ui;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin:0 0 22px;border-bottom:1px solid var(--card-border);padding-bottom:12px}
.guide-column>.modal-section,.guide-column>.museum-section{margin:0 0 28px;padding:20px;background:var(--surface);border:1px solid var(--card-border);border-radius:6px;scroll-margin-top:18px}
.guide-column .museum-section-header{margin-bottom:16px}.guide-column .museum-section-title{font-size:17px}.guide-column .museum-section-icon{display:none}.guide-column .modal-grid{grid-template-columns:1fr;gap:20px;margin-bottom:28px}.guide-column .museum-components-grid,.guide-column .museum-ux-grid{grid-template-columns:minmax(0,1fr)}
.guide-column .image-carousel{margin:0 0 28px;border-radius:6px}.guide-column .prompt-text{overflow-wrap:anywhere;white-space:pre-wrap}.guide-column .modal-section-title{line-height:1.5}.guide-column .color-palette{flex-wrap:wrap}.guide-column .museum-section p{line-height:1.65}
.guide-index{max-width:1420px;padding:16px 32px 0;margin:auto;color:var(--text-dim);font:13px Inter,system-ui}.guide-index summary{cursor:pointer;width:max-content;padding:8px 0}.guide-index nav{display:flex;flex-wrap:wrap;gap:8px;padding:12px 0}.guide-index button{font:12px Inter,system-ui;color:var(--text);background:var(--surface);border:1px solid var(--card-border);border-radius:4px;padding:8px 10px;cursor:pointer}.guide-index button:focus-visible{outline:2px solid var(--shell-accent);outline-offset:2px}
.modal-hero-content{max-width:1356px}.modal-hero{padding-left:32px;padding-right:32px}.modal-subtitle{max-width:900px}
@media(max-width:850px){.modal-body.guide-columns{grid-template-columns:1fr;gap:10px;padding:24px 20px 60px}.guide-index{padding:12px 20px 0}.modal-hero{padding-left:20px;padding-right:20px}.guide-column>.modal-section,.guide-column>.museum-section{padding:16px}.guide-column-title{margin-top:6px}}
.guide-column .museum-type-specimen{padding:24px;margin:24px 0;border-radius:6px}
.guide-column .museum-type-level{grid-template-columns:64px minmax(0,1fr);gap:12px}
.guide-column .museum-type-sample{min-width:0;overflow-wrap:anywhere}
.guide-column .museum-type-meta{grid-column:2;text-align:left}
@media(max-width:850px){.guide-column .museum-type-specimen{padding:16px}.guide-column .museum-type-level{grid-template-columns:minmax(0,1fr)}.guide-column .museum-type-meta{grid-column:1}}
.guide-list{padding-left:20px;line-height:1.7;margin:12px 0}.guide-list li+li{margin-top:10px}
.guide-column p{line-height:1.65;margin:12px 0}.guide-column a{color:inherit;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.guide-fact{font-size:13px;color:var(--text-muted);line-height:1.6}.guide-swatches{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}
.guide-swatches span{display:block;height:54px;border:1px solid var(--card-border);margin-bottom:10px}.guide-swatches strong,.guide-swatches code{display:block;font-size:12px;overflow-wrap:anywhere}.guide-swatches code{margin-top:5px}
.guide-type-proof{padding:24px 0;border-block:1px solid var(--card-border);margin:20px 0}.guide-type-display{font-size:36px;line-height:1.15;overflow-wrap:anywhere}.guide-type-heading{font-size:24px;line-height:1.3;margin-top:20px}.guide-type-proof p{font-size:16px;line-height:1.65}.guide-type-proof small{font-size:14px}
.guide-column summary{cursor:pointer;padding:8px 0}.guide-column .prompt-text{font-size:13px;line-height:1.65;padding-top:44px;max-width:100%}
#carousel-position{color:white;font:12px Inter,system-ui;white-space:nowrap}
@media(max-width:500px){.guide-swatches{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.carousel-track{transition:none!important}}
.guide-color-proof{border:1px solid;padding:20px;margin:18px 0;border-radius:4px}.guide-color-proof strong{font-size:20px}.guide-color-proof p{font-size:16px}.guide-color-proof span{display:inline-block;padding:8px 12px;font-size:14px}

.territories-entry,.guide-handoff{display:flex;flex-wrap:wrap;gap:16px;margin:20px 0 0;font:14px/1.5 system-ui}.territories-entry a,.guide-handoff a{color:var(--text);text-underline-offset:4px;padding:8px 0}.territories-entry a:first-child{font-weight:650}
/* Shared navigation and reading hierarchy, aligned with the History surface. */
html{scrollbar-color:var(--text-muted) var(--surface-2);scrollbar-width:thin}.app :focus-visible,.modal :focus-visible,.museum-overlay :focus-visible{outline:3px solid var(--shell-accent);outline-offset:3px}button,a,input{touch-action:manipulation}.header{padding:12px max(24px,calc((100vw - 1320px)/2));min-height:76px}.museum-header-btn,.tm-header-btn{min-height:44px;font-size:13px;border-radius:8px}.theme-toggle-btn{width:44px;height:44px;border-radius:6px}.theme-toggle{border-radius:9px}.main{max-width:1320px;margin:auto;padding:40px 28px 72px}.hero{text-align:center;margin:0 auto 32px}.hero-title{font:500 38px/1.2 Georgia,serif;letter-spacing:-.025em}.hero-subtitle{max-width:65ch;margin:12px auto;font-size:16px}.territories-entry{justify-content:center;gap:8px}.territories-entry a{min-height:44px;padding:11px 16px;border-radius:8px;text-decoration:none;background:var(--surface-2)}.territories-entry a:first-child{background:var(--shell-card);color:#fff}.catalog-tools{padding:18px 0;border-block:1px solid var(--card-border);margin-bottom:28px}.catalog-search{font-size:14px}.catalog-search input{min-height:44px;font-size:16px;border-radius:8px}.catalog-count{font:13px system-ui}.section-header{margin-top:36px}.section-title{font-size:19px}.section-number{font-size:12px}.section-description{font-size:14px!important}.territories{gap:20px}.territory-card{border-radius:10px;overflow:hidden}.territory-name{font-size:17px}.territory-feeling{font-size:14px;line-height:1.55}.territory-tag{font-size:11px}.territory-badge{font-size:10px}.territory-info{min-height:146px;padding:18px}.territory-preview{aspect-ratio:4/3}.modal-close{min-height:44px;min-width:44px;border-radius:8px}.modal-hero-content{max-width:1000px;margin:auto;text-align:center}.modal-subtitle{margin-inline:auto}.guide-handoff{justify-content:center}.guide-handoff a{min-height:44px;padding:11px 14px;background:var(--surface-2);border-radius:8px;text-decoration:none}.modal-body.guide-columns{max-width:1320px;gap:28px}.guide-column>.modal-section,.guide-column>.museum-section{border-radius:10px;padding:24px}.guide-fact{font-size:14px}.guide-column summary{min-height:44px}.guide-index a{display:inline-flex;align-items:center;min-height:44px}.guide-column .image-carousel{border-radius:10px}.carousel-btn{min-width:44px;min-height:44px}
.museum-overlay .museum-toolbar{opacity:1!important;transform:none!important;pointer-events:auto!important;background:var(--surface)!important;color:var(--text)!important;border:1px solid var(--card-border);border-radius:12px}.museum-overlay .museum-toolbar-btn{color:var(--text)!important;min-width:44px;min-height:44px;border-radius:8px}.museum-overlay .museum-toolbar-btn:hover{background:var(--surface-2)!important}.museum-toolbar-counter{color:var(--text-dim)!important}.museum-overlay .museum-toolbar-sep{background:var(--card-border)!important}.museum-timer-menu{background:var(--surface)!important;color:var(--text)!important}.museum-overlay{scrollbar-color:var(--text-muted) var(--surface-2)}
@media(max-width:850px){.territories{grid-template-columns:repeat(2,minmax(0,1fr))}.header{padding:12px 20px}.main{padding:28px 20px 60px}.hero-title{font-size:32px}.modal-body.guide-columns{grid-template-columns:1fr}}
@media(max-width:540px){.header-controls{flex-wrap:wrap}.theme-toggle{margin-left:0}.header{gap:12px}.main{padding-inline:16px}.territories{gap:12px}.territory-info{padding:12px}.territory-name{font-size:15px}.territory-feeling{font-size:13px}.territory-tags{display:none}.hero-subtitle{font-size:15px}.territories-entry{font-size:13px}.territories-entry a{padding:11px 12px}.catalog-tools{align-items:start}.guide-column>.modal-section,.guide-column>.museum-section{padding:18px}}
@media(prefers-reduced-motion:reduce){.museum-overlay *{animation:none!important;transition:none!important}}
.territories-skip{position:fixed;left:16px;top:-100px;z-index:99999;padding:12px 18px;background:var(--surface);color:var(--text);border:2px solid var(--shell-accent);border-radius:8px}.territories-skip:focus{top:12px}
.museum-overlay{transition:none!important}.museum-overlay .museum-text-panel{padding-top:100px;scrollbar-color:var(--text-muted) var(--surface-2)}.museum-overlay .museum-plaque-era,.museum-overlay .museum-plaque-influence-tag{color:var(--text)!important;background:var(--surface-2)!important}.museum-overlay .museum-plaque-origin,.museum-overlay .museum-plaque-feeling,.museum-overlay .museum-plaque-timeline-title{color:var(--text-dim)!important}.museum-overlay .museum-plaque-philosophy{border-color:var(--shell-accent)!important;color:var(--text)!important;background:var(--surface-2)!important}
@media(max-width:680px){.museum-overlay .museum-text-panel{padding:24px}.museum-overlay .museum-toolbar{top:12px;right:12px;left:12px;justify-content:center;max-width:calc(100% - 24px)}.museum-overlay .museum-toolbar-counter{font-size:11px}}