:root { color: #17202a; background: #f5f7f9; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
* { box-sizing: border-box; } body { margin: 0; } a { color: inherit; }.app-shell { min-height: 100vh; }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 1.25rem max(1.5rem, calc((100% - 70rem) / 2)); background: #17202a; color: #dce6ef; }
.brand { color: white; font-size: 1.15rem; font-weight: 700; text-decoration: none; } main { width: min(70rem, calc(100% - 3rem)); margin: 0 auto; padding: 5.5rem 0; }.hero { max-width: 46rem; }
.eyebrow { color: #bd3944; font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; } h1, h2 { line-height: 1.05; } h1 { margin: .35rem 0 1rem; font-size: clamp(2.5rem, 6vw, 4.75rem); letter-spacing: -.06em; }
.lead { max-width: 38rem; color: #50606e; font-size: 1.15rem; line-height: 1.6; }.search-form { margin-top: 2.5rem; max-width: 38rem; } label { display: block; margin-bottom: .5rem; font-size: .9rem; font-weight: 800; }.search-row { display: flex; gap: .75rem; }
input { width: 100%; border: 1px solid #b7c4cf; border-radius: .5rem; padding: .85rem 1rem; font: inherit; } button { border: 0; border-radius: .5rem; padding: .85rem 1.25rem; background: #bd3944; color: white; font: inherit; font-weight: 800; cursor: pointer; }.results { margin-top: 4rem; max-width: 46rem; border-top: 1px solid #d3dce4; padding-top: 2rem; }
.evolution-chain { display: grid; gap: .75rem; padding: 0; list-style: none; }.evolution-chain li { display: flex; justify-content: space-between; gap: 1rem; border-radius: .5rem; background: white; padding: 1rem; box-shadow: 0 2px 10px #17202a0d; }.evolution-chain span { color: #607080; font-size: .9rem; }
.search-help, .card-id { color: #607080; font-size: .85rem; }.card-results { display: grid; gap: .75rem; }.card-result { display: flex; width: 100%; gap: 1rem; align-items: center; border: 2px solid transparent; border-radius: .6rem; background: white; padding: .75rem; color: inherit; text-align: left; box-shadow: 0 2px 10px #17202a0d; }.card-result:hover, .card-result.is-selected { border-color: #bd3944; }.card-result > span { display: grid; gap: .2rem; }.card-result img, .card-placeholder { width: 3.5rem; min-width: 3.5rem; height: 4.9rem; border-radius: .25rem; object-fit: cover; background: #e4eaf0; }.card-placeholder { display: grid; place-items: center; padding: .3rem; color: #607080; font-size: .7rem; text-align: center; }.selected-card { display: grid; grid-template-columns: minmax(12rem, 22rem) 1fr; gap: 2rem; margin-top: 3rem; border-radius: .75rem; background: #fff; padding: 1.5rem; box-shadow: 0 2px 10px #17202a0d; }.selected-image img { width: 100%; border-radius: .5rem; }.selected-image .card-placeholder { width: 100%; height: 20rem; }.selected-card h2 { margin: .2rem 0; }.detail-subtitle { color: #50606e; }.detail-facts { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }.detail-facts span { border-radius: .35rem; background: #f0f4f7; padding: .4rem .55rem; }.gameplay-item { border-top: 1px solid #dce4eb; padding: .75rem 0; }.gameplay-item p { margin: .35rem 0 0; line-height: 1.45; }.gameplay-item span { float: right; color: #50606e; }.secondary { font-size: .9rem; } @media (max-width: 42rem) { .selected-card { grid-template-columns: 1fr; } .selected-image { max-width: 20rem; } }
.evolution-explorer { margin-top: 3rem; border-top: 1px solid #d3dce4; padding-top: 2rem; }.evolution-heading h2 { margin-top: .2rem; }.evolution-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }.evolution-column { min-height: 14rem; border-radius: .65rem; background: #e9eef2; padding: 1rem; }.evolution-column h3 { margin-top: 0; }.empty-stage { color: #607080; font-size: .9rem; }.evolution-card { display: grid; width: 100%; gap: .45rem; margin-top: .75rem; border: 2px solid transparent; border-radius: .45rem; background: white; padding: .55rem; color: inherit; text-align: left; }.evolution-card:hover, .evolution-card.is-selected { border-color: #bd3944; }.evolution-card img, .evolution-card .card-placeholder { width: 100%; height: auto; min-height: 8rem; object-fit: contain; }.evolution-card span { color: #50606e; font-size: .8rem; } @media (max-width: 48rem) { .evolution-columns { grid-template-columns: 1fr; } }
.recent-cards { margin-top: 3rem; border-top: 1px solid #d3dce4; padding-top: 1.5rem; }.recent-cards h2 { font-size: 1.25rem; }.recent-card-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; }.recent-card { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); align-items: center; gap: .75rem; min-width: 0; background: white; padding: .6rem; color: inherit; text-align: left; box-shadow: 0 2px 10px #17202a0d; }.recent-card:hover { outline: 2px solid #bd3944; }.recent-card img, .recent-card .card-placeholder { width: 3.5rem; height: 4.9rem; border-radius: .25rem; object-fit: cover; }.recent-card strong { overflow-wrap: anywhere; } @media (max-width: 48rem) { .recent-card-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 36rem) { .site-header span { display: none; } .search-row { flex-direction: column; } .evolution-chain li { flex-direction: column; } }

/* Phase 6 Cards workspace. Values here are the centralized calibration surface. */
:root { --compact-card-min: 5.75rem; --compact-card-ratio: 2.5 / 3.5; --current-card-width: 18rem; --current-card-ratio: 2.5 / 3.5; --desktop-recent-width: 14rem; }
.cards-workspace { display: grid; gap: 1rem; }
.workspace-panel { border-top: 1px solid #d3dce4; }
.workspace-panel-heading { margin: 0; font-size: 1rem; }
.workspace-panel-heading button { display: flex; width: 100%; min-height: 3rem; align-items: center; justify-content: space-between; border-radius: 0; padding: .75rem 0; background: transparent; color: #263542; text-align: left; }
.workspace-panel-heading button:focus-visible { outline: 3px solid #bd3944; outline-offset: 2px; }
.workspace-panel-content { padding: .75rem 0 1.5rem; }
.advanced-search-panel .workspace-panel-content { padding-top: 0; }
.planned-feature { margin: 0; color: #607080; }
.cards-workspace .hero { max-width: 46rem; }
.cards-workspace .hero h1 { font-size: 2.5rem; letter-spacing: 0; }
.search-results { border-top: 1px solid #d3dce4; padding: 1rem 0 1.5rem; }
.search-results h2 { font-size: 1.2rem; }
.compact-card-grid, .recent-card-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(var(--compact-card-min), 1fr)); gap: .75rem; }
.compact-card { display: grid; min-width: 0; align-content: start; gap: .4rem; border: 2px solid transparent; border-radius: .35rem; padding: .4rem; background: #fff; color: #263542; text-align: left; box-shadow: 0 2px 10px #17202a0d; }
.compact-card:hover { border-color: #bd3944; }
.compact-card.is-selected, .compact-card[aria-pressed="true"] { border-color: #9f2330; box-shadow: 0 0 0 2px #9f2330; }
.compact-card-art { display: block; width: 100%; aspect-ratio: var(--compact-card-ratio); overflow: hidden; border-radius: .25rem; background: #e4eaf0; }
.compact-card-art img, .compact-card-art .card-placeholder { width: 100%; min-width: 0; height: 100%; border-radius: 0; object-fit: contain; }
.compact-card strong { overflow-wrap: anywhere; font-size: .82rem; line-height: 1.2; }
.compact-card-meta { color: #607080; font-size: .7rem; line-height: 1.25; }
.current-composition { display: grid; grid-template-columns: minmax(0, 1fr) var(--desktop-recent-width); gap: 1.5rem; align-items: start; }
.desktop-recent-cards { min-width: 0; border-left: 1px solid #d3dce4; padding-left: 1rem; }
.desktop-recent-cards h3 { margin-top: 0; font-size: 1rem; }
.desktop-recent-cards .recent-card-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.desktop-recent-cards .compact-card-meta { display: none; }
.current-card-view { display: grid; grid-template-columns: minmax(12rem, var(--current-card-width)) minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.current-card-image { width: min(100%, var(--current-card-width)); aspect-ratio: var(--current-card-ratio); }
.current-card-image img, .current-card-image .card-placeholder { width: 100%; min-width: 0; height: 100%; border-radius: .45rem; object-fit: contain; }
.current-card-details h3 { margin: .2rem 0; font-size: 1.75rem; }
.evolution-facts { display: grid; gap: .45rem; margin: 1rem 0; }
.evolution-facts div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: .5rem; }
.evolution-facts dt { font-weight: 800; }
.evolution-facts dd { margin: 0; }
.evolution-presentation { container: evolution / inline-size; }
.evolution-stage-selector { display: none; }
.evolution-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.evolution-column { min-width: 0; }
.evolution-column.contains-selected { box-shadow: inset 0 0 0 2px #bd3944; }
.selected-stage-marker { display: block; margin-top: .2rem; color: #9f2330; font-size: .68rem; font-weight: 800; text-transform: uppercase; }
.evolution-column .compact-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mobile-recent-panel, .mobile-current-identity { display: none; }
.invalid-link { margin: 0; border-left: .25rem solid #bd3944; background: #fff; padding: .75rem 1rem; color: #8e1e29; font-weight: 800; }
.operation-error { margin: 0; border-left: .25rem solid #bd3944; background: #fff; padding: .75rem 1rem; color: #8e1e29; font-weight: 800; }
#current-card-anchor, #current-card-boundary, #evolution-family-panel { scroll-margin-top: 4.25rem; }

.app-shell[data-presentation="mobile"] main { width: min(100% - 1.25rem, 52rem); padding: 1.5rem 0 3rem; }
.app-shell[data-presentation="mobile"] .cards-workspace .hero h1 { font-size: 2rem; }
.app-shell[data-presentation="mobile"] .current-composition { display: block; }
.app-shell[data-presentation="mobile"] .desktop-recent-cards { display: none; }
.app-shell[data-presentation="mobile"] .mobile-recent-panel { display: block; }
.app-shell[data-presentation="mobile"] .mobile-current-identity { position: sticky; z-index: 20; top: 3.5rem; display: flex; align-items: baseline; justify-content: space-between; gap: .75rem; border-bottom: 1px solid #ccd6de; background: #f5f7f9; padding: .65rem 0; }
.app-shell[data-presentation="mobile"] .mobile-current-identity span { overflow: hidden; color: #607080; font-size: .75rem; text-overflow: ellipsis; white-space: nowrap; }
.app-shell[data-presentation="mobile"] .current-card-view { grid-template-columns: 1fr; }
.app-shell[data-presentation="mobile"] .current-card-image { width: min(100%, 20rem); margin-inline: auto; }
.app-shell[data-presentation="mobile"] .compact-card-grid, .app-shell[data-presentation="mobile"] .recent-card-list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; }
.app-shell[data-presentation="mobile"] .compact-card { padding: .3rem; }
.app-shell[data-presentation="mobile"] .compact-card-meta { display: none; }
.app-shell[data-presentation="mobile"] .evolution-stage-selector { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 1rem; }
.app-shell[data-presentation="mobile"] .evolution-stage-selector button { border: 1px solid #9aa9b5; border-radius: 0; padding: .55rem .35rem; background: #fff; color: #33424f; }
.app-shell[data-presentation="mobile"] .evolution-stage-selector button + button { border-left: 0; }
.app-shell[data-presentation="mobile"] .evolution-stage-selector button.is-active { background: #bd3944; color: #fff; }
.app-shell[data-presentation="mobile"] .evolution-columns { display: block; }
.app-shell[data-presentation="mobile"] .evolution-column { display: none; min-height: 0; padding: .75rem; }
.app-shell[data-presentation="mobile"] .evolution-columns.active-basic .stage-basic, .app-shell[data-presentation="mobile"] .evolution-columns.active-stage1 .stage-stage1, .app-shell[data-presentation="mobile"] .evolution-columns.active-stage2 .stage-stage2 { display: block; }
.app-shell[data-presentation="mobile"] .evolution-column .compact-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@container evolution (min-width: 52rem) {
    .app-shell[data-presentation="mobile"] .evolution-stage-selector { display: none; }
    .app-shell[data-presentation="mobile"] .evolution-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .app-shell[data-presentation="mobile"] .evolution-column { display: block; }
}

/* Phase 6 card previews and image fallback. */
.card-placeholder { width: 100%; min-width: 0; height: 100%; aspect-ratio: inherit; }
.card-preview-art { width: min(70vw, 24rem); aspect-ratio: var(--current-card-ratio); }
.card-preview-art img, .card-preview-art .card-placeholder { width: 100%; height: 100%; border-radius: .45rem; object-fit: contain; }
.card-preview-backdrop { position: fixed; z-index: 100; inset: 0; display: grid; place-items: center; overflow: auto; background: #17202acc; padding: 1rem; }
.card-preview-dialog { position: relative; display: grid; justify-items: center; gap: .65rem; max-width: 100%; border-radius: .5rem; background: #fff; padding: 1rem; color: #17202a; }
.card-preview-close { position: absolute; z-index: 1; top: .35rem; right: .35rem; display: grid; width: 2.5rem; height: 2.5rem; place-items: center; border-radius: 50%; padding: 0; font-size: 1.5rem; line-height: 1; }
.card-hover-preview { position: fixed; z-index: 50; top: 8rem; right: max(1rem, calc((100vw - 70rem) / 2 + var(--desktop-recent-width))); display: grid; justify-items: center; gap: .5rem; border: 1px solid #c8d2da; border-radius: .5rem; background: #fff; padding: .75rem; box-shadow: 0 8px 28px #17202a33; pointer-events: none; }
.card-hover-preview .card-preview-art { width: min(28vw, 20rem); }
.app-shell[data-presentation="mobile"] .card-hover-preview { display: none; }