/* Chart Room modal drawers, ON COMMIT footer, confirm sheet and undo strip
   (README rules 2 and 7; boards B8, B12, B14, B16). Scoped under [data-ui="chartroom"].
   Depth goes through --cr-sh / --cr-r on [data-cr-depth] elements (tokens.css).
   Motion: the drawer slides in over --cr-d-move (240 ms) and the scrim inks in over
   --cr-d-snap; both are 0 under reduced motion. Closing never waits. */

/* ---- Layer and scrim ------------------------------------------------------------------ */

/* The scrim and the drawer start below the Chart Room top bar (66 px); the top bar itself is
   still inert while a drawer is open. The shell may set --cr-drawer-top to its bar height. */
[data-ui="chartroom"] { --cr-drawer-top: 66px; }

[data-ui="chartroom"] .cr-modal-layer {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: block;
}
[data-ui="chartroom"] .cr-modal-layer--sheet { z-index: 70; display: grid; place-items: center; padding: calc(var(--cr-drawer-top) + 16px) 16px 16px; box-sizing: border-box; }

[data-ui="chartroom"] .cr-scrim {
  position: absolute;
  inset: var(--cr-drawer-top) 0 0 0;
  background: rgba(5, 14, 20, .58);
  opacity: 0;
  transition: opacity var(--cr-d-snap) var(--cr-ease);
}
[data-ui="chartroom"] .cr-modal-layer.is-open .cr-scrim { opacity: 1; }

/* ---- The drawer: right side, riveted steel with a brass edge ------------------------------ */

[data-ui="chartroom"] .cr-drawer {
  position: absolute;
  top: var(--cr-drawer-top);
  right: 0;
  bottom: 0;
  width: 620px;
  max-width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  color: var(--cr-cream-text);
  background:
    linear-gradient(rgba(10, 26, 35, .35), rgba(10, 26, 35, .35)),
    #1B3441 url(../../../assets/chartroom/rail.jpg) 0 0 / 512px 512px repeat;
  border: 12px solid transparent;
  border-image: url(../../../assets/chartroom/steel-frame.png) 32 stretch;
  --cr-sh: -24px 0 40px rgba(0, 0, 0, .6), inset 3px 0 0 #C9973A;
  --cr-r: 0;
  transform: translateX(100%);
  transition: transform var(--cr-d-move) var(--cr-ease);
}
[data-ui="chartroom"] .cr-modal-layer.is-open .cr-drawer { transform: none; }
[data-ui="chartroom"] .cr-drawer--narrow { width: 520px; }
[data-ui="chartroom"] .cr-drawer--wide { width: min(1080px, calc(100% - 24px)); }

[data-ui="chartroom"] .cr-drawer__sheet {
  position: relative;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: #4F6B78 transparent;
  padding: 0 18px;
}
[data-ui="chartroom"] .cr-drawer--steel .cr-drawer__sheet {
  background: #0B1D27;
  box-shadow: inset 0 0 0 1px rgba(143, 166, 176, .22), inset 0 2px 8px rgba(0, 0, 0, .55);
}
/* Paper sheet inside the steel frame */
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__sheet { color: var(--cr-ink); }

/* Head: sticky, title in Caslon, Close on the right */
[data-ui="chartroom"] .cr-drawer__head {
  position: sticky;
  top: 0;
  z-index: 4;
  margin: 0 -18px;
  padding: 12px 18px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
[data-ui="chartroom"] .cr-drawer--steel .cr-drawer__head { background: #0B1D27; box-shadow: 0 6px 10px -4px rgba(0, 0, 0, .6); }
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__head {
  background: var(--cr-paper) url(../../../assets/chartroom/paper.jpg) center top / cover no-repeat;
  box-shadow: 0 6px 8px -6px rgba(23, 43, 54, .45);
  border-bottom: 2px solid var(--cr-brass);
}
[data-ui="chartroom"] .cr-drawer__titlebar { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
[data-ui="chartroom"] .cr-drawer__title {
  margin: 0;
  min-width: 0;
  font: 700 26px/1.15 var(--cr-serif);
  color: #F2E8D0;
  overflow-wrap: anywhere;
}
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__title { color: var(--cr-ink); }
/* The heading is a focus target, not a control: no ring (it is not operable), so the
   drawer opens looking like the boards. */
[data-ui="chartroom"] .cr-drawer__title:focus { outline: none; }
[data-ui="chartroom"] .cr-drawer__close { min-height: 44px; min-width: 64px; }
[data-ui="chartroom"] .cr-drawer__subtitle { margin: 0; font: 500 15px/1.35 var(--cr-body); color: #D5E2E6; }
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__subtitle { color: var(--cr-ink-2); }

/* ---- Interruption strip (RANSOM 2m 30s … Go to it · draft kept ›) ------------------------- */

[data-ui="chartroom"] .cr-drawer__intr:empty { display: none; }
[data-ui="chartroom"] .cr-drawer__intr { padding-top: 6px; }
[data-ui="chartroom"] .cr-intr {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 10px;
  width: 100%;
  min-height: 44px;
  margin: 0;
  padding: 6px 10px;
  box-sizing: border-box;
  border: 0;
  border-left: 4px solid #C8432A;
  background: rgba(163, 42, 27, .22);
  color: #EFE3C8;
  text-align: left;
  cursor: pointer;
  transition: background var(--cr-d-snap) var(--cr-ease);
}
[data-ui="chartroom"] .cr-intr:hover { background: rgba(163, 42, 27, .34); }
[data-ui="chartroom"] .cr-intr__flag { flex-shrink: 0; }
[data-ui="chartroom"] .cr-intr__lead { font: 700 15px var(--cr-cond); letter-spacing: .08em; color: #FFE2A8; font-variant-numeric: tabular-nums; white-space: nowrap; }
[data-ui="chartroom"] .cr-intr__text { flex: 1 1 12em; min-width: 0; font: 600 15px/1.3 var(--cr-body); }
[data-ui="chartroom"] .cr-intr__go { margin-left: auto; font: 700 15px var(--cr-cond); color: #F2E8D0; white-space: nowrap; }
[data-ui="chartroom"] .cr-drawer--paper .cr-intr { background: rgba(134, 35, 15, .1); color: #3A120A; border-left-color: var(--cr-shout); }
[data-ui="chartroom"] .cr-drawer--paper .cr-intr:hover { background: rgba(134, 35, 15, .18); }
[data-ui="chartroom"] .cr-drawer--paper :is(.cr-intr__lead, .cr-intr__go) { color: var(--cr-shout); }

/* ---- Body ------------------------------------------------------------------------------ */

[data-ui="chartroom"] .cr-drawer__body {
  flex-grow: 1;
  padding: 10px 0 16px;
  font: 500 15px/1.4 var(--cr-body);
  color: #D5E2E6;
}
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__body { color: var(--cr-ink); }

/* ---- Sticky footer: ON COMMIT, Cancel, the commit plate, undo ---------------------------- */

[data-ui="chartroom"] .cr-drawer__footwrap { position: sticky; bottom: 0; z-index: 3; margin: 0 -18px; }
[data-ui="chartroom"] .cr-drawer__footwrap:empty { display: none; }
[data-ui="chartroom"] .cr-drawer__foot {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 18px 10px;
  border-top: 2px solid rgba(201, 151, 58, .55);
  --cr-sh: 0 -8px 12px -6px rgba(0, 0, 0, .55);
}
[data-ui="chartroom"] .cr-drawer--steel .cr-drawer__foot { background: #091922; }
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__foot {
  background: var(--cr-paper) url(../../../assets/chartroom/paper.jpg) center bottom / cover no-repeat;
  border-top-color: var(--cr-brass-dark);
  --cr-sh: 0 -8px 10px -6px rgba(23, 43, 54, .35);
}

[data-ui="chartroom"] .cr-oncommit__head {
  margin: 0 0 2px;
  font: 600 15px var(--cr-cond);
  letter-spacing: .1em;
  color: #F2E8D0;
}
[data-ui="chartroom"] .cr-oncommit__list {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 12px;
  margin: 0;
}
[data-ui="chartroom"] .cr-oncommit__row { display: contents; }
[data-ui="chartroom"] .cr-oncommit__list dt { font: 700 15px/1.3 var(--cr-cond); color: #EFE3C8; white-space: nowrap; font-variant-numeric: tabular-nums; }
[data-ui="chartroom"] .cr-oncommit__list dd { margin: 0; font: 500 15px/1.3 var(--cr-body); color: #D5E2E6; font-variant-numeric: tabular-nums; }
[data-ui="chartroom"] .cr-drawer--paper .cr-oncommit__head,
[data-ui="chartroom"] .cr-drawer--paper .cr-oncommit__list dt { color: var(--cr-ink); }
[data-ui="chartroom"] .cr-drawer--paper .cr-oncommit__list dd { color: var(--cr-ink-2); }

[data-ui="chartroom"] .cr-drawer__acts { display: flex; align-items: stretch; gap: 10px; }
[data-ui="chartroom"] .cr-drawer__cancel { min-width: 88px; }
[data-ui="chartroom"] .cr-drawer__commit { flex: 1 1 auto; min-width: 0; }
[data-ui="chartroom"] .cr-drawer__commit[aria-busy="true"] { cursor: progress; filter: saturate(.7) brightness(.92); }
[data-ui="chartroom"] .cr-drawer__undo { margin: 0; text-align: right; font: 500 15px var(--cr-body); color: #D5E2E6; }
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__undo { color: var(--cr-ink-2); }

/* ---- Confirm sheet --------------------------------------------------------------------- */

[data-ui="chartroom"] .cr-sheet {
  position: relative;
  width: min(460px, 100%);
  box-sizing: border-box;
  border: 12px solid transparent;
  border-image: url(../../../assets/chartroom/steel-frame.png) 32 stretch;
  --cr-sh: 0 18px 40px rgba(0, 0, 0, .55);
  transform: translateY(12px);
  opacity: 0;
  transition: transform var(--cr-d-move) var(--cr-ease), opacity var(--cr-d-snap) var(--cr-ease);
}
[data-ui="chartroom"] .cr-modal-layer.is-open .cr-sheet { transform: none; opacity: 1; }
[data-ui="chartroom"] .cr-sheet__paper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px 16px;
  color: var(--cr-ink);
  border-top: 4px solid var(--cr-brass);
}
[data-ui="chartroom"] .cr-sheet__title { margin: 0; font: 700 24px/1.2 var(--cr-serif); color: var(--cr-ink); }
[data-ui="chartroom"] .cr-sheet__title:focus { outline: none; }
[data-ui="chartroom"] .cr-sheet__msg { margin: 0; font: 500 16px/1.4 var(--cr-body); color: var(--cr-ink-2); }
[data-ui="chartroom"] .cr-sheet__acts { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin-top: 4px; }
[data-ui="chartroom"] .cr-sheet__confirm { flex: 1 1 180px; }

/* ---- Undo strip ------------------------------------------------------------------------ */

[data-ui="chartroom"] .cr-undo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: 100%;
  box-sizing: border-box;
  min-height: 52px;
  padding: 4px 4px 4px 14px;
  background: var(--cr-well);
  color: var(--cr-steel-text);
  border-left: 3px solid var(--cr-brass);
  --cr-sh: 0 6px 16px rgba(0, 0, 0, .45), inset 0 0 0 1px rgba(143, 166, 176, .28);
  --cr-r: 3px;
}
[data-ui="chartroom"] .cr-undo__label { min-width: 0; font: 600 15px/1.3 var(--cr-body); }
[data-ui="chartroom"] .cr-undo__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  padding: 0 12px;
  border: 1px solid #8FA5AE;
  border-radius: 3px;
  background: linear-gradient(180deg, #1E3B4A, #16303D);
  color: #F7EFDC;
  font: 700 16px var(--cr-cond);
  letter-spacing: .04em;
  cursor: pointer;
  flex-shrink: 0;
}
[data-ui="chartroom"] .cr-undo__btn:hover { background: linear-gradient(180deg, #25485A, #1B394A); }
[data-ui="chartroom"] .cr-undo__count { font-variant-numeric: tabular-nums; color: #FFE2A8; min-width: 3ch; text-align: right; }

/* Focus: one gold ring with an ink gap */
[data-ui="chartroom"] :is(.cr-intr, .cr-undo__btn):focus-visible {
  outline: 3px solid var(--cr-focus);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px var(--cr-sea);
}

/* ---- Tablet: every drawer takes the full width below 900px (Phase 7 lane A) -------------- */

@media (max-width: 900px) {
  [data-ui="chartroom"] .cr-drawer,
  [data-ui="chartroom"] .cr-drawer--narrow,
  [data-ui="chartroom"] .cr-drawer--wide { width: 100%; }
}

/* ---- Phone ------------------------------------------------------------------------------ */

@media (max-width: 640px) {
  [data-ui="chartroom"] .cr-drawer,
  [data-ui="chartroom"] .cr-drawer--narrow,
  [data-ui="chartroom"] .cr-drawer--wide { border-width: 6px 6px 0; }
  [data-ui="chartroom"] .cr-drawer__sheet { padding: 0 12px; }
  [data-ui="chartroom"] :is(.cr-drawer__head, .cr-drawer__footwrap) { margin: 0 -12px; }
  [data-ui="chartroom"] .cr-drawer__head { padding: 10px 12px 6px; }
  [data-ui="chartroom"] .cr-drawer__foot { padding: 8px 12px 10px; }
  [data-ui="chartroom"] .cr-drawer__title { font-size: 22px; }
  [data-ui="chartroom"] .cr-oncommit__list { grid-template-columns: minmax(0, 1fr); gap: 0; }
  [data-ui="chartroom"] .cr-oncommit__list dd { margin-bottom: 4px; }
}

/* ---- Reduced motion: nothing slides, the drawer is simply there -------------------------- */

@media (prefers-reduced-motion: reduce) {
  [data-ui="chartroom"] :is(.cr-drawer, .cr-sheet, .cr-scrim, .cr-intr) { transition: none; }
}
:root[data-motion="reduced"] [data-ui="chartroom"] :is(.cr-drawer, .cr-sheet, .cr-scrim, .cr-intr),
[data-ui="chartroom"][data-motion="reduced"] :is(.cr-drawer, .cr-sheet, .cr-scrim, .cr-intr),
[data-ui="chartroom"] [data-motion="reduced"] :is(.cr-drawer, .cr-sheet, .cr-scrim, .cr-intr) { transition: none; }

/* ---- Forced colours ------------------------------------------------------------------------ */

@media (forced-colors: active) {
  [data-ui="chartroom"] .cr-scrim { background: Canvas; opacity: .7; }
  [data-ui="chartroom"] :is(.cr-drawer, .cr-sheet) { border: 2px solid CanvasText; background: Canvas; }
  [data-ui="chartroom"] .cr-drawer__foot { border-top: 2px solid CanvasText; }
  [data-ui="chartroom"] :is(.cr-intr, .cr-undo) { border: 1px solid CanvasText; border-left-width: 4px; }
  [data-ui="chartroom"] :is(.cr-intr, .cr-undo__btn):focus-visible { outline-color: Highlight; }
}

/* ---- Commit failed: the error inline in the footer ----------------------------------------- */

[data-ui="chartroom"] .cr-drawer__error {
  margin: 0;
  padding: 6px 10px;
  border-left: 4px solid #C8432A;
  background: rgba(163, 42, 27, .22);
  font: 500 15px/1.35 var(--cr-body);
  color: #F7EFDC;
}
[data-ui="chartroom"] .cr-drawer__error b { font: 700 15px var(--cr-cond); letter-spacing: .04em; color: #FFE2A8; }
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__error { background: rgba(134, 35, 15, .1); color: #3A120A; border-left-color: var(--cr-shout); }
[data-ui="chartroom"] .cr-drawer--paper .cr-drawer__error b { color: var(--cr-shout); }
@media (forced-colors: active) {
  [data-ui="chartroom"] .cr-drawer__error { border: 1px solid CanvasText; border-left-width: 4px; }
}