/* Maya conversations (PRD v1.1 Section 18.3 and 18.4). Semantic --sg-* tokens and the shared .sg-chat, .sg-bubble, .sg-sidelist,
   .sg-composer and .sg-context-card components only; sgc-* classes here are layout glue for this view and the compact panel.
   Desktop 1280+: sidebar | stage | context. 761-1279: sidebar | stage, context is a drawer. 760 and below: the stage is full screen
   and the conversation list is a drawer. Targets are at least --sg-tap. */

/* ---- the workspace ---- */
.sgc-chat { min-height: 480px; }
@media (min-width: 761px) { .sgc-chat { position: relative; } }
.sgc-chat > * { min-width: 0; }
.sgc-chat .sg-chat__list { overflow-y: auto; }
.sgc-chat .sg-sidelist { border-right: 0; }
.sgc-chat .sg-chat__list { border-right: 1px solid var(--sg-border); background: var(--sg-surface); }
.sgc-chat .sg-chat__context { border-left: 1px solid var(--sg-border); background: var(--sg-surface); }
.sgc-chat .sg-chat__stage { background: var(--sg-bg); }
/* Bound grid tracks and their content: max-width on a flex item alone does not stop intrinsic grid children overflowing. */
.sgc-chat .sg-thread > .sg-bubble { min-width: 0; grid-template-columns: minmax(0, 1fr); }
.sgc-chat .sg-thread > .sg-bubble > * { min-width: 0; max-width: 100%; box-sizing: border-box; }
/* Published-post cards render the saved media URL on the image itself, so bound its intrinsic size in chat. */
.sgc-chat .sg-thread .sg-bubble__card .sg-media__frame { max-width: 100%; height: auto; box-sizing: border-box; }

@media (min-width: 761px) {
  .sgc-chat.sg-chat--screen { border: 1px solid var(--sg-border); border-radius: var(--sg-radius-l); box-shadow: var(--sg-shadow-soft); }
}

/* ---- sidebar ---- */
.sgc-sidehead { display: flex; align-items: center; justify-content: space-between; gap: var(--sg-space-2); }
.sgc-sidehead__title { margin: 0; font-family: var(--sg-font-display); font-weight: var(--sg-fw-regular); font-size: var(--sg-fs-l); }
.sgc-listbody { display: flex; flex-direction: column; gap: var(--sg-space-1); }
.sgc-listnote { margin: var(--sg-space-1) var(--sg-space-2); font-size: var(--sg-fs-s); }
.sgc-draftflag { grid-column: 1 / -1; color: var(--sg-gold-text); font-weight: var(--sg-fw-semibold); }
.sgc-newform { display: flex; flex-direction: column; gap: var(--sg-space-2); margin-top: var(--sg-space-2); }
.sgc-newform[hidden], .sgc-chat [hidden] { display: none; }
.sgc-archbtn { align-self: flex-start; }

/* ---- stage bar ---- */
.sgc-avatarhost { display: inline-flex; }
.sgc-titlewrap { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.sgc-titlewrap .sg-chat__bar-title { flex: none; }
.sgc-sub { margin: 0; font-size: var(--sg-fs-xs); color: var(--sg-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sgc-sub__name { color: var(--sg-text); font-weight: var(--sg-fw-semibold); }
.sgc-banners { display: flex; flex-direction: column; gap: var(--sg-space-2); padding: var(--sg-space-3) var(--sg-space-4) 0; }
.sgc-banners[hidden] { display: none; }
.sgc-banners .sg-banner { flex-wrap: wrap; justify-content: space-between; }

/* ---- thread ---- */
.sgc-text { white-space: pre-wrap; }
.sgc-quote { display: block; width: 100%; text-align: left; background: transparent; border-top: 0; border-right: 0; border-bottom: 0; cursor: pointer; font: inherit; font-size: var(--sg-fs-s);
  color: inherit; opacity: 0.85; min-height: var(--sg-tap); }
.sgc-media-line { display: block; }
.sgc-media { display: inline-flex; align-items: center; min-height: var(--sg-tap); color: var(--sg-link); }
.sgc-flash .sg-bubble__body { box-shadow: var(--sg-focus-ring); }
.sgc-statusline { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: var(--sg-space-2); }
.sgc-actions { display: flex; }
.sg-bubble--user .sgc-actions { justify-content: flex-end; }
.sgc-act { min-height: var(--sg-tap); padding: 0 var(--sg-space-3); font-size: var(--sg-fs-s); color: var(--sg-link); }
.sg-bubble__status[data-state="saved"] { color: var(--sg-text-muted); }
.sgc-skel { height: 4.5rem; }
.sgc-skel--tall { height: 6rem; border-radius: var(--sg-radius-l); }
.sg-thread .sg-empty { margin: auto; max-width: 520px; }

/* rich context cards inside a bubble and in the context panel */
.sgc-ctxcard { display: flex; gap: var(--sg-space-3); align-items: flex-start; padding: var(--sg-space-3); color: var(--sg-text); }
.sgc-ctxcard__thumb { flex: none; width: 72px; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--sg-radius-m); background: var(--sg-media-bg); display: block; }
.sgc-ctxcard__thumb--none { display: grid; place-items: center; font-size: var(--sg-fs-xs); color: var(--sg-text-muted); background: var(--sg-neutral-soft); text-align: center; }
.sgc-ctxcard__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: var(--sg-space-2); }
.sgc-ctxcard__note { margin: 0; font-size: var(--sg-fs-s); overflow-wrap: anywhere; }
.sgc-ctxcard .sg-details { font-size: var(--sg-fs-xs); }
.sgc-ctxcard .sg-btn { min-height: var(--sg-tap); }
.sgc-ctxcard[aria-busy="true"] { display: block; }

/* ---- composer ---- */
.sg-composer__context:empty, .sg-composer__context[hidden] { display: none; }
.sgc-suggest { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.sgc-suggest > * { flex: none; }
.sgc-send { min-width: var(--sg-tap); }
.sgc-replybar { display: flex; align-items: center; justify-content: space-between; gap: var(--sg-space-2); padding-left: var(--sg-space-3); font-size: var(--sg-fs-s); color: var(--sg-text-muted);
  border-left: 3px solid var(--sg-gold); }
.sgc-replybar[hidden] { display: none; }
.sgc-count { margin: 0; font-size: var(--sg-fs-xs); text-align: right; }
.sgc-count[hidden] { display: none; }
.sgc-chat .sg-composer__row .sg-textarea { padding: calc((var(--sg-tap) - 1.5em) / 2) var(--sg-space-3); line-height: 1.5; overflow-y: auto; }

/* ---- context panel ---- */
.sgc-move { display: flex; flex-direction: column; gap: var(--sg-space-1); padding-bottom: var(--sg-space-3); }
.sgc-move + .sgc-move { padding-top: var(--sg-space-3); border-top: 1px solid var(--sg-border); }
.sgc-ctxnote { margin: 0; font-size: var(--sg-fs-s); }
.sgc-linkbtn { display: inline-flex; align-items: center; min-height: var(--sg-tap); }
.sgc-chat .sg-chat__context:focus, .sgc-chat .sg-chat__list:focus { outline: none; }

/* ---- drawers: scrim and panels below the breakpoints ---- */
.sgc-scrim { display: none; position: absolute; inset: 0; z-index: 4; border: 0; padding: 0; background: var(--sg-scrim); cursor: default; }
.sgc-only-narrow { display: inline-flex; }
@media (min-width: 1280px) { .sgc-only-narrow { display: none; } }
@media (max-width: 760px) { .sgc-only-narrow { display: none; } .sgc-chat .sgc-drawer-ctx { display: inline-flex; } }
@media (min-width: 761px) { .sgc-chat .sgc-drawer-ctx { display: none; } }

@media (max-width: 1279px) {
  .sgc-chat .sg-chat__context { position: absolute; z-index: 5; top: 0; right: 0; bottom: 0; width: min(380px, 100%); display: block; box-shadow: var(--sg-shadow-2);
    transform: translateX(100%); visibility: hidden; transition: transform var(--sg-dur) var(--sg-ease), visibility 0s linear var(--sg-dur); }
  .sgc-chat[data-ctx="open"] .sg-chat__context { transform: none; visibility: visible; transition-delay: 0s; }
  .sgc-chat[data-ctx="open"] .sgc-scrim { display: block; }
}
@media (max-width: 760px) {
  .sgc-chat .sg-chat__list { display: block; position: absolute; z-index: 5; top: 0; left: 0; bottom: 0; width: min(340px, 92%); box-shadow: var(--sg-shadow-2);
    transform: translateX(-100%); visibility: hidden; transition: transform var(--sg-dur) var(--sg-ease), visibility 0s linear var(--sg-dur); }
  .sgc-chat[data-drawer="open"] .sg-chat__list { transform: none; visibility: visible; transition-delay: 0s; }
  .sgc-chat[data-drawer="open"] .sgc-scrim { display: block; }
  .sgc-chat .sg-chat__bar { padding: var(--sg-space-2); gap: var(--sg-space-1); padding-top: calc(var(--sg-space-2) + env(safe-area-inset-top, 0px)); }
  .sgc-chat .sg-chat__bar .sg-btn { padding: 0 var(--sg-space-2); }
  .sgc-chat .sg-chat__bar-title { font-size: var(--sg-fs-m); }
  .sgc-sub__purpose { display: none; }
  .sgc-banners { padding: var(--sg-space-2) var(--sg-space-3) 0; }
  .sgc-chat .sg-composer { padding: var(--sg-space-2) var(--sg-space-3); padding-bottom: calc(var(--sg-space-2) + env(safe-area-inset-bottom, 0px)); }
  .sgc-ctxcard { padding: var(--sg-space-2); }
}
@media (min-width: 761px) { .sgc-chat .sg-chat__list { visibility: visible; } .sgc-chat { grid-template-columns: calc(var(--sg-sidebar-w) - var(--sg-space-3)) minmax(0, 1fr); } }
@media (min-width: 1280px) { .sgc-chat { grid-template-columns: calc(var(--sg-sidebar-w) - var(--sg-space-3)) minmax(0, 1fr) calc(var(--sg-panel-w) - var(--sg-space-4)); } }

/* The full workspace replaces the docked compact panel while it is on screen. */
body.sgc-fullchat #sg-conversation-panel { display: none; }
/* the full chat hides the panel column; the rail keeps its token width (was a hard 220px, which left a blank band beside the 76px rail) */
@media (min-width: 1101px) { body.sgc-fullchat .sgx-app { grid-template-columns: var(--sg-rail-w) minmax(0, 1fr); grid-template-areas: "rail top" "rail main"; } }

/* ---- the compact right panel ---- */
.sgc-panel { display: flex; flex-direction: column; gap: var(--sg-space-3); color: var(--sg-text); font-family: var(--sg-font-body); }
.sgx-panel .sgc-panel { padding: var(--sg-space-4); }   /* the shell panel has padding 0; without this the Maya panel sat flush against both edges (review, Oct 16) */
.sgc-panel__head { display: flex; align-items: center; gap: var(--sg-space-3); }
.sgc-panel__who { flex: 1; min-width: 0; }
.sgc-panel__name { margin: 0; font-family: var(--sg-font-display); font-weight: var(--sg-fw-regular); font-size: var(--sg-fs-l); }
.sgc-panel__role, .sgc-panel__note, .sgc-panel__draft { margin: 0; font-size: var(--sg-fs-s); }
.sgc-panel__chips { display: flex; flex-wrap: wrap; gap: var(--sg-space-2); }
.sgc-panel .sg-context-card__label { margin: var(--sg-space-2) 0 0; }

@media (prefers-reduced-motion: reduce) {
  .sgc-chat .sg-chat__list, .sgc-chat .sg-chat__context { transition: none; }
}

/* Live: Maya is thinking (pending reply) */
.sg-bubble__status[data-state="pending"] { color: var(--sg-text-muted); }
.sg-bubble__status[data-state="pending"]::after { content: ''; display: inline-block; width: 1.2em; margin-left: 2px; animation: sgc-think 1.2s steps(4, end) infinite; overflow: hidden; vertical-align: bottom; }
@keyframes sgc-think { 0% { width: 0; } 100% { width: 1.2em; } }
.sgc-text a { overflow-wrap: anywhere; }
@media (prefers-reduced-motion: reduce) { .sg-bubble__status[data-state="pending"]::after { animation: none; width: 0; } }