fix(dross): collapse shell to 2 columns; topbar ◆ summons Dross
Removing #rightrail left a dead 360px grid column that narrowed #main. Shell grid is now sidebar+main; the topbar ◆ (was Toggle-companion-rail) now dispatches dross-toggle to open/close the floating bubble. Remaining .rail-* CSS + chrome.js toggleRail are dead no-ops (minor cleanup later). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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@@ -29,20 +29,18 @@ html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); color:
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#shell {
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display: grid;
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grid-template-columns: var(--sidebar-w) 1fr var(--rail-w);
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grid-template-columns: var(--sidebar-w) 1fr;
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grid-template-rows: var(--topbar-h) 1fr;
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grid-template-areas:
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"topbar topbar topbar"
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"sidebar main rail";
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"topbar topbar"
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"sidebar main";
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height: 100vh;
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width: 100vw;
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}
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#shell.rail-collapsed { grid-template-columns: var(--sidebar-w) 1fr var(--rail-w-min); }
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#topbar { grid-area: topbar; border-bottom: 1px solid var(--border); background: var(--panel); display: flex; align-items: center; padding: 0 16px; gap: 12px; }
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#sidebar { grid-area: sidebar; border-right: 1px solid var(--border); background: var(--panel); overflow-y: auto; padding: 12px 0; }
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#main { grid-area: main; overflow-y: auto; padding: 24px 32px; }
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#rightrail{ grid-area: rail; border-left: 1px solid var(--border); background: var(--panel); overflow: hidden; display: flex; flex-direction: column; }
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/* topbar */
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.brand { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.18em; font-size: 14px; color: var(--accent); text-transform: uppercase; padding: 0 6px; }
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@@ -483,15 +481,11 @@ ul.plain li:last-child { border-bottom: none; }
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/* ===== Collapsible chrome + responsive layout (Plan 6 polish) ===== */
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:root { --sidebar-w-min: 0px; }
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#shell { transition: grid-template-columns .22s ease; }
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#sidebar, #rightrail { transition: transform .22s ease; }
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#sidebar { transition: transform .22s ease; }
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/* Desktop collapse — shrink the grid columns */
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#shell.sidebar-collapsed { grid-template-columns: var(--sidebar-w-min) 1fr var(--rail-w); }
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#shell.sidebar-collapsed.rail-collapsed { grid-template-columns: var(--sidebar-w-min) 1fr var(--rail-w-min); }
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#shell.rail-collapsed { grid-template-columns: var(--sidebar-w) 1fr var(--rail-w-min); }
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/* Desktop collapse — shrink the sidebar column */
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#shell.sidebar-collapsed { grid-template-columns: var(--sidebar-w-min) 1fr; }
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#shell.sidebar-collapsed #sidebar { overflow: hidden; border-right: none; }
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/* Hide chat body when the rail is collapsed so the thin strip stays clean */
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#shell.rail-collapsed .rail-chat { display: none; }
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/* Topbar toggle buttons */
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.chrome-toggle {
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@@ -514,13 +508,11 @@ body.drawer-open #scrim { opacity: 1; pointer-events: auto; }
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/* ---- Narrow / mobile / vertical: off-canvas drawers, single-column main ---- */
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@media (max-width: 860px) {
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#shell,
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#shell.sidebar-collapsed,
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#shell.rail-collapsed,
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#shell.sidebar-collapsed.rail-collapsed {
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#shell.sidebar-collapsed {
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grid-template-columns: 1fr;
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grid-template-areas: "topbar" "main";
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}
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#sidebar, #rightrail {
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#sidebar {
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position: fixed; top: var(--topbar-h); bottom: 0; z-index: 50;
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}
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#sidebar { left: 0; width: min(82vw, 300px); transform: translateX(-100%); border-right: 1px solid var(--border); }
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