feat: continue roadmap acceptance work

apps/web/src/styles/global.css

@@ -23,6 +23,15 @@
 footer{min-height:118px;background:var(--deep);color:#dbe4df;padding:28px max(32px,calc((100vw - 1360px)/2));display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:28px}footer .brand-mark{border-color:#ffffff32}footer .brand-name span{color:#9dafaa}footer p{font-size:12px;color:#92a4a0}footer>span{font:italic 16px Georgia;color:var(--lime)}
 @media(max-width:1040px){.content-grid{width:min(100% - 36px,900px)}.topbar{width:calc(100% - 36px);grid-template-columns:1fr auto}.live-badge{display:none}.intro{grid-template-columns:1fr;gap:34px;padding-top:54px}.lake-card{height:280px}.dashboard{grid-template-columns:1fr}.detail-card{position:relative;top:auto}.how-it-works{grid-template-columns:1fr}.records-hero,.form-hero{display:block}.records-hero>div:last-child,.form-hero>p{margin-top:25px}}
 @media(max-width:720px){.content-grid,.records-hero,.form-hero,.record-filters,.record-table,.official-note,.report-form,.spot-hero,.periods,.detail-grid{width:calc(100% - 28px)}.topbar{width:100%;padding:13px 14px 0;display:flex;flex-wrap:wrap;height:auto}.topbar .brand{flex:1}.topbar nav{order:2;width:100%;height:46px;overflow-x:auto}.topbar nav a{flex:0 0 auto;font-size:13px}.intro h1,.records-hero h1,.form-hero h1{font-size:55px}.intro{padding:30px 0 25px}.intro h1{font-size:47px;margin:13px 0 12px}.intro-copy>p{font-size:15px;margin:0}.lake-card{display:none}.filters-wrap{position:relative;padding:17px 0}.filters{grid-template-columns:1fr 1fr}.filter-advanced-field{display:none}.filter-compact-hidden{display:none!important}.filter-advanced-fallback{display:block;grid-column:1/-1;border-top:1px solid #ffffff1d;padding-top:10px}.filter-advanced-fallback summary{display:flex;justify-content:space-between;color:#d5dfdc;font-size:12px;cursor:pointer;list-style:none}.filter-advanced-fallback summary::-webkit-details-marker{display:none}.filter-advanced-fallback summary:before{content:"＋";margin-right:7px;color:var(--lime)}.filter-advanced-fallback[open] summary:before{content:"−"}.filter-advanced-fallback summary span{margin-left:auto;color:#9fb0ad}.filter-advanced-fallback .advanced-fields{display:grid!important;grid-template-columns:1fr 1fr;gap:12px;padding-top:12px}.filter-advanced-fallback:not([open]) .advanced-fields{display:none!important}.filters button{grid-column:1/-1}.active-filters{min-height:0;overflow-x:auto;padding:10px 14px 0;width:100%;scrollbar-width:none}.active-filters span{flex:0 0 auto}.active-filters a{position:sticky;right:0;padding:6px 10px;background:var(--paper)}.dashboard{padding:28px 0 74px;scroll-margin-top:10px}.spot-card{grid-template-columns:34px 1fr;padding:18px 18px 18px 14px;gap:10px}.spot-stats{grid-column:2;border:0;border-top:1px solid #e2e8e2;padding:13px 0 0;grid-template-columns:repeat(4,1fr)}.card-arrow{display:none}.detail-score{grid-template-columns:105px 1fr}.score-ring{width:100px;height:100px}.principles{grid-template-columns:1fr}.record-filters{display:grid}.record-row{grid-template-columns:1fr 1fr}.record-head{display:none}.record-row>*:nth-child(even){text-align:right}.form-grid,.detail-grid{grid-template-columns:1fr}.spot-hero{padding:28px}.spot-hero h1{font-size:48px}.pin{display:none}footer{grid-template-columns:1fr auto;padding:30px 20px}footer p{grid-column:1/-1;order:3}}
+
+/* The tablet header needs the same two-row layout as mobile: the full theme
+   switcher and horizontal navigation cannot share one 720px row. */
+@media (min-width:721px) and (max-width:900px){
+  .topbar{width:100%;padding:13px 24px 0;display:flex;flex-wrap:wrap;height:auto}
+  .topbar .brand{flex:1;min-width:0}
+  .topbar nav{order:2;width:100%;height:46px;overflow-x:auto}
+  .topbar nav a{flex:0 0 auto;font-size:13px}
+}
 @media(max-width:720px){.moderation-app{width:calc(100% - 28px)}.moderation-card{grid-template-columns:1fr}.moderation-proof{grid-row:2}.moderation-actions{grid-column:1;display:block}.moderation-actions>div{margin-top:12px}.admin-login{display:block}.admin-login button{width:100%;margin-top:12px}}
 @media(max-width:480px){.filters{grid-template-columns:1fr 1fr}.spot-stats strong{font-size:16px}.topbar nav{gap:4px}.topbar nav a{padding:0 5px}.brand-name strong{font-size:14px}.brand-name span{font-size:11px}.moderation-actions>div{display:grid}.moderation-actions button{width:100%}}
 @media(max-width:720px){.filter-advanced-fallback .filter-advanced-field{display:flex!important;align-items:center;gap:6px}.filter-advanced-fallback .filter-compact-hidden{display:flex!important}}

apps/web/src/styles/media-catalog.css

@@ -1,2 +1,4 @@
 .entity-media{margin:0;min-width:0}.entity-media__frame{position:relative;display:grid;place-items:center;overflow:hidden;min-height:190px;padding:18px;border:1px solid var(--border-soft);border-radius:16px;background:radial-gradient(circle at 50% 46%,color-mix(in srgb,var(--lime) 15%,var(--surface)) 0 18%,var(--surface-soft) 62%)}.entity-media__frame:after{content:"";position:absolute;inset:12px;border:1px solid color-mix(in srgb,var(--border) 55%,transparent);border-radius:11px;pointer-events:none}.entity-media img{position:relative;z-index:1;display:block;width:100%;height:180px;object-fit:contain;filter:drop-shadow(0 12px 18px #08222624);image-rendering:auto}.entity-media figcaption{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:9px;color:var(--text-muted);font-size:11px}.entity-media figcaption>span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.entity-media--compact{grid-column:2;grid-row:1/4;width:118px}.entity-media--compact .entity-media__frame{min-height:88px;height:88px;padding:10px;border:0;background:color-mix(in srgb,var(--lime) 8%,var(--surface-soft))}.entity-media--compact img{height:72px}.entity-media--compact figcaption{justify-content:flex-end}.entity-media--compact figcaption>span:last-child{display:none}.entity-media--compact .source-chip{transform:scale(.9);transform-origin:right center}.media-library{padding:34px 0 100px}.media-library__intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;color:var(--text-muted)}.media-library__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.media-library__card{padding:12px;border:1px solid var(--border-soft);border-radius:18px;background:var(--surface)}.media-library__card .entity-media__frame{min-height:170px}.media-library__card h2{margin:12px 3px 3px;font:400 19px Georgia,serif}.media-library__card>span{margin-left:3px;color:var(--text-subtle);font-size:10px;text-transform:uppercase;letter-spacing:.09em}@media(max-width:1050px){.media-library__grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:720px){.media-library__grid{grid-template-columns:repeat(2,1fr)}.entity-media--compact{width:90px}.entity-media--compact .entity-media__frame{height:76px}.media-library__intro{display:block}}@media(max-width:440px){.media-library__grid{grid-template-columns:1fr}}
 .entity-feature{display:grid;grid-template-columns:minmax(280px,420px) 1fr;align-items:center;gap:48px;padding-block:36px;border-bottom:1px solid var(--border)}.entity-feature .entity-media__frame{min-height:260px}.entity-feature .entity-media img{height:230px}.entity-feature h2{margin:10px 0 12px;font:400 clamp(34px,4vw,58px)/.95 Georgia,serif}.entity-feature p{max-width:620px;color:var(--text-muted);line-height:1.6}@media(max-width:720px){.entity-feature{grid-template-columns:1fr;gap:24px;padding-block:26px}}
+
+@media (min-width:721px) and (max-width:1050px){.media-library__grid{grid-template-columns:repeat(3,minmax(0,1fr))}}