/* ==========================================================================
   Room info sheet + room editor (room-edit.js)

   One component, two shapes:
     · wide screens — a centred dialog
     · phones (≤46rem) — a bottom sheet with a grab handle, full width, in the
       thumb's reach, dismissable by pulling it down
   ========================================================================== */

html.rm-lock, html.rm-lock body { overflow: hidden; }

/* ── the room name in the chat header is now a button ─────────────────────── */
.cmxTop__id {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: var(--s-3);
  margin: -.35rem -.5rem; padding: .35rem .5rem; border: 0; border-radius: 12px;
  background: none; color: inherit; font: inherit; text-align: left; cursor: pointer;
  transition: background-color var(--dur) var(--ease-out);
}
.cmxTop__id:hover { background: var(--cmx-pane2); }
.cmxTop__id:focus-visible { outline: 2px solid var(--y-yellow); outline-offset: 2px; }
.cmxTop__id .cmxTop__body { display: grid; }
/* No description yet: say what tapping does, rather than an empty line. */
.cmxTop__s:empty::before { content: attr(data-empty); font-style: italic; opacity: .8; }

/* ══ ROOM INFO ═══════════════════════════════════════════════════════════════ */
.rmInfo, .rmEd {
  position: fixed; inset: 0; z-index: 940;
  display: grid; place-items: center; padding: var(--s-4);
  animation: rmFade .2s var(--ease-out);
}
.rmEd { z-index: 960; }
.rmInfo[hidden] { display: none; }
.rmInfo.is-closing, .rmEd.is-closing { animation: rmFade .18s var(--ease-out) reverse forwards; }
@keyframes rmFade { from { opacity: 0; } }

.rmInfo__veil, .rmEd__veil {
  position: absolute; inset: 0; border: 0; padding: 0; cursor: pointer;
  background: rgb(3 3 6 / .66); backdrop-filter: blur(6px);
}

.rmInfo__box, .rmEd__box {
  position: relative; z-index: 1;
  width: min(30rem, 100%); max-height: min(44rem, 92dvh); overflow-y: auto; overscroll-behavior: contain;
  border-radius: 22px; border: 1px solid var(--cmx-hair, rgb(255 255 255 / .09));
  background:
    radial-gradient(120% 60% at 50% 0%, rgb(240 198 74 / .10), transparent 60%),
    var(--surface-1);
  box-shadow: 0 40px 120px -30px rgb(0 0 0 / .95), inset 0 1px 0 rgb(255 255 255 / .06);
  animation: rmPop .28s cubic-bezier(.22, 1, .36, 1);
  transition: transform .2s var(--ease-out);
}
@keyframes rmPop { from { transform: translateY(14px) scale(.97); opacity: 0; } }

.rmInfo__grab { display: none; }
.rmInfo__x {
  position: absolute; top: .8rem; right: .8rem; z-index: 2;
  width: 2.4rem; height: 2.4rem; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--cmx-hair, rgb(255 255 255 / .09));
  background: rgb(255 255 255 / .05); color: var(--text-mid); cursor: pointer;
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.rmInfo__x:hover { color: var(--text-hi); border-color: rgb(240 198 74 / .5); }
.rmInfo__x svg, .rmInfo__edit svg, .cmxTop__back svg {
  width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.rmInfo__hero { display: grid; justify-items: center; gap: .35rem; padding: 2rem 1.5rem 1.2rem; text-align: center; }
.rmInfo__emoji {
  width: 4.6rem; height: 4.6rem; display: grid; place-items: center; font-size: 2.4rem;
  border-radius: 24px; border: 1px solid rgb(240 198 74 / .35);
  background: radial-gradient(circle at 30% 25%, rgb(240 198 74 / .28), rgb(240 198 74 / .06) 70%);
  box-shadow: 0 14px 40px -14px rgb(240 198 74 / .55);
  margin-bottom: .35rem;
}
.rmInfo__hero h2 { margin: 0; font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 500;
  color: var(--text-hi); line-height: 1.2; overflow-wrap: anywhere; }
.rmInfo__meta { margin: 0; font-size: var(--fs-xs); color: var(--text-lo); }

.rmInfo__sec { padding: 1rem 1.5rem; border-top: 1px solid var(--cmx-hair, rgb(255 255 255 / .09)); }
.rmInfo__sec h3 {
  margin: 0 0 .6rem; display: flex; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .62rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-lo);
}
.rmInfo__n { padding: .05rem .4rem; border-radius: 99px; background: rgb(240 198 74 / .16); color: var(--accent-ink, #f0c64a); letter-spacing: 0; }
.rmInfo__about { margin: 0; font-size: var(--fs-sm); color: var(--text-mid); line-height: 1.6; white-space: pre-line; overflow-wrap: anywhere; }
.rmInfo__about:empty::before { content: attr(data-empty); color: var(--text-lo); font-style: italic; }
.rmInfo__edit {
  margin-top: .9rem; display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1rem; border-radius: 99px; cursor: pointer;
  border: 1px solid rgb(240 198 74 / .45); background: rgb(240 198 74 / .1);
  color: var(--accent-ink, #f0c64a); font: inherit; font-size: var(--fs-sm); font-weight: 600;
  transition: background-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.rmInfo__edit:hover { background: rgb(240 198 74 / .18); transform: translateY(-1px); }

.rmInfo__people .cmxPeople { margin: 0; padding: 0; list-style: none; display: grid; gap: .25rem; }
.rmInfo__people .cmxPerson a {
  display: flex; align-items: center; gap: .7rem; padding: .45rem .5rem; border-radius: 12px;
  text-decoration: none; color: inherit;
}
.rmInfo__people .cmxPerson a:hover { background: var(--cmx-pane2, rgb(255 255 255 / .07)); }
.rmInfo__people .cmxPerson span { display: grid; min-width: 0; }
.rmInfo__people .cmxPerson b { font-size: var(--fs-sm); color: var(--text-hi); font-weight: 600;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rmInfo__people .cmxPerson i { font-style: normal; font-size: var(--fs-xs); color: var(--text-lo); }
.rmInfo__people .cmxSide__note, .rmInfo__none { margin: .5rem 0 0; font-size: var(--fs-xs); color: var(--text-lo); line-height: 1.5; }

.rmInfo__links { display: grid; padding: .5rem .75rem 1rem; border-top: 1px solid var(--cmx-hair, rgb(255 255 255 / .09)); }
.rmInfo__links a {
  display: flex; align-items: center; gap: .7rem; padding: .8rem .75rem; border-radius: 12px;
  color: var(--text-hi); text-decoration: none; font-size: var(--fs-sm);
}
.rmInfo__links a:hover { background: var(--cmx-pane2, rgb(255 255 255 / .07)); }

/* ══ EDITOR ══════════════════════════════════════════════════════════════════ */
.rmEd__box { width: min(34rem, 100%); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; overflow: hidden; }
.rmEd__head { display: flex; align-items: center; padding: 1.1rem 1.4rem .6rem; }
.rmEd__head h2 { margin: 0; font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 500; color: var(--text-hi); }
.rmEd__head .rmInfo__x { position: static; margin-left: auto; }
.rmEd__body { overflow-y: auto; overscroll-behavior: contain; padding: .4rem 1.4rem 1rem; display: grid; gap: 1.1rem; }

/* The card as it will appear in Rooms, updating on every keystroke. */
.rmEd__preview {
  position: relative; display: flex; align-items: center; gap: .9rem;
  padding: .95rem 1rem; border-radius: 16px;
  border: 1px solid rgb(240 198 74 / .3);
  background: linear-gradient(135deg, rgb(240 198 74 / .09), transparent 60%), var(--surface-2);
}
.rmEd__pv-emoji {
  width: 3rem; height: 3rem; flex: none; display: grid; place-items: center; font-size: 1.6rem;
  border-radius: 14px; background: rgb(240 198 74 / .14);
  animation: rmBop .35s cubic-bezier(.34, 1.56, .64, 1);
}
@keyframes rmBop { from { transform: scale(.6); } }
.rmEd__pv-txt { display: grid; gap: .15rem; min-width: 0; }
.rmEd__pv-txt b { color: var(--text-hi); font-size: var(--fs-body); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rmEd__pv-txt i {
  font-style: normal; font-size: var(--fs-xs); color: var(--text-mid); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere;
}
.rmEd__pv-txt i.is-empty { color: var(--text-lo); font-style: italic; }
.rmEd__pv-tag {
  position: absolute; top: -.55rem; right: .8rem; padding: .1rem .5rem; border-radius: 99px;
  background: var(--y-yellow, #f0c64a); color: #111; font-family: var(--font-mono);
  font-size: .55rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}

.rmEd__field { display: grid; gap: .45rem; }
.rmEd__label { display: flex; align-items: baseline; justify-content: space-between;
  font-size: var(--fs-xs); font-weight: 600; color: var(--text-mid); }
.rmEd__label em { font-style: normal; font-family: var(--font-mono); font-size: .6rem; color: var(--text-lo); font-weight: 400; }
.rmEd__label em.is-near { color: var(--y-yellow, #f0c64a); }
.rmEd__field input[type="text"], .rmEd__field textarea {
  width: 100%; box-sizing: border-box; padding: .75rem .9rem; border-radius: 12px;
  border: 1px solid var(--cmx-hair, rgb(255 255 255 / .09)); background: var(--surface-0);
  color: var(--text-hi); font: inherit; font-size: 1rem; line-height: 1.5; resize: none; outline: none;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.rmEd__field input:focus, .rmEd__field textarea:focus {
  border-color: var(--y-yellow, #f0c64a); box-shadow: 0 0 0 3px rgb(240 198 74 / .15);
}
.rmEd__field input[aria-invalid="true"] { border-color: var(--y-red, #e8544a); }
.rmEd__hint { font-size: var(--fs-xs); color: var(--text-lo); }

.rmEd__emojis { display: flex; flex-wrap: wrap; gap: .4rem; }
.rmEd__emo, .rmEd__own {
  width: 2.6rem; height: 2.6rem; display: grid; place-items: center; box-sizing: border-box;
  border-radius: 12px; border: 1px solid var(--cmx-hair, rgb(255 255 255 / .09));
  background: rgb(255 255 255 / .03); font-size: 1.25rem; cursor: pointer; padding: 0;
  transition: transform .15s var(--ease-out), border-color .15s, background-color .15s;
}
.rmEd__emo:hover { transform: translateY(-2px); background: rgb(255 255 255 / .07); }
.rmEd__emo.is-on, .rmEd__own.is-on {
  border-color: var(--y-yellow, #f0c64a); background: rgb(240 198 74 / .16);
  box-shadow: 0 0 0 3px rgb(240 198 74 / .15);
}
.rmEd__own input {
  width: 100%; height: 100%; border: 0; background: none; text-align: center;
  color: var(--text-mid); font: inherit; font-size: 1.2rem; outline: none; padding: 0;
}
.rmEd__own input::placeholder { color: var(--text-lo); }

.rmEd__err { margin: 0; padding: .6rem .8rem; border-radius: 10px; font-size: var(--fs-xs);
  background: rgb(232 84 74 / .12); color: #ffb4ad; border: 1px solid rgb(232 84 74 / .35); }
.rmEd__err[hidden] { display: none; }

.rmEd__foot {
  display: flex; justify-content: flex-end; gap: .6rem;
  padding: .9rem 1.4rem calc(.9rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--cmx-hair, rgb(255 255 255 / .09)); background: rgb(0 0 0 / .15);
}
.rmEd__foot [data-ed-save]:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }

.rmToast {
  position: fixed; left: 50%; bottom: calc(1.5rem + env(safe-area-inset-bottom)); z-index: 980;
  translate: -50% 1rem; opacity: 0; padding: .65rem 1.1rem; border-radius: 99px;
  background: var(--y-yellow, #f0c64a); color: #111; font-size: var(--fs-sm); font-weight: 700;
  box-shadow: 0 16px 40px -12px rgb(0 0 0 / .8);
  transition: opacity .25s, translate .3s cubic-bezier(.22, 1, .36, 1);
}
.rmToast.is-on { opacity: 1; translate: -50% 0; }

/* The Manage page's own entry to the editor. */
.rmAbout {
  display: flex; align-items: center; gap: 1rem; padding: 1rem 1.1rem; margin-bottom: var(--s-5);
  border-radius: 16px; border: 1px solid var(--cmx-hair, rgb(255 255 255 / .09));
  background: linear-gradient(135deg, rgb(240 198 74 / .07), transparent 60%), var(--surface-1);
}
.rmAbout__emoji { width: 3.2rem; height: 3.2rem; flex: none; display: grid; place-items: center;
  font-size: 1.7rem; border-radius: 16px; background: rgb(240 198 74 / .14); }
.rmAbout__txt { flex: 1; min-width: 0; display: grid; gap: .2rem; }
.rmAbout__txt b { color: var(--text-hi); overflow-wrap: anywhere; }
.rmAbout__txt span { font-size: var(--fs-sm); color: var(--text-mid); line-height: 1.5; overflow-wrap: anywhere; }
.rmAbout__txt span:empty::before { content: 'No description yet — add one so people know what this room is for.'; color: var(--text-lo); font-style: italic; }
.rmAbout .rmInfo__edit { margin: 0; flex: none; }

/* ══ PHONES ═════════════════════════════════════════════════════════════════ */
@media (max-width: 46rem) {
  .rmInfo, .rmEd { place-items: end stretch; padding: 0; }
  .rmInfo__box, .rmEd__box {
    width: 100%; max-height: 90dvh; border-radius: 22px 22px 0 0; border-bottom: 0;
    animation: rmUp .32s cubic-bezier(.22, 1, .36, 1);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .rmEd__box { padding-bottom: 0; }
  @keyframes rmUp { from { transform: translateY(100%); } }
  .rmInfo__grab {
    display: block; width: 2.6rem; height: 4px; margin: .6rem auto 0;
    border-radius: 99px; background: rgb(255 255 255 / .18);
  }
  .rmInfo__hero { padding-top: 1.2rem; }
  .rmInfo__sec { padding-inline: 1.15rem; }
  .rmEd__head { padding: .6rem 1.15rem .4rem; }
  .rmEd__body { padding-inline: 1.15rem; }
  .rmEd__foot { padding-inline: 1.15rem; }
  .rmEd__foot .cmxBtn { flex: 1; justify-content: center; min-height: 2.9rem; }
  .rmEd__emojis { display: grid; grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr)); }
  .rmEd__emo, .rmEd__own { width: auto; aspect-ratio: 1; height: auto; }
  .rmAbout { flex-wrap: wrap; }
  .rmAbout .rmInfo__edit { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .rmInfo, .rmEd, .rmInfo__box, .rmEd__box, .rmEd__pv-emoji { animation: none; }
}