/* 큰 방부터 채우기(rooms.js) — 위 막대 · 위 판(수·어림 힌트·덧셈 줄) · 가운데 3D 마을 · 아래 조작 막대 · 오른쪽 확대/축소.
   토큰은 DESIGN.md(진법 4색 · 값 색 · 잉크). 반경은 11 · 18 · 끝까지 둥글게만. HUD(.rm-hud) 안 크기는 논리 px(화면 배율로 줄어든다). */
#rooms > .rm-canvas { position: fixed; inset: 0; width: 100vw; height: 100dvh; display: block; touch-action: none; z-index: 0; filter: saturate(1.08) contrast(1.04); }
#rooms > .rm-hud { position: fixed; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
#rooms > :not(.rm-canvas):not(.rm-hud) { z-index: 2; }
.rm-top { position: absolute; left: 0; right: 0; top: 0; padding: max(12px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left)); pointer-events: none; }
.rm-top > * { pointer-events: auto; }
.rm-title { gap: 8px; min-height: 56px; padding: 6px 20px 6px 10px; border-radius: 999px; background: rgba(255, 253, 249, .92); font-size: 24px; }
.rm-title .bpill { font-size: .9em; }
.rm-title .ar { color: var(--ink-2); font-weight: 700; }
.rm-title .tw { margin-left: 4px; }
.rm-bases { margin-left: auto; }
.rm-top .sound { margin-left: 0; }

/* 위 판 */
.rm-board { position: absolute; left: 50%; top: var(--rm-btop, 84px); transform: translateX(-50%); width: max-content; max-width: calc(100% - 24px); display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 20px 12px; border-radius: 18px; background: linear-gradient(180deg, var(--t2), var(--card) 62%); box-shadow: var(--shadow); color: var(--ink); font-family: var(--num); }
.rm-head { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px 16px; }
.rm-board .rn { display: inline-flex; align-items: baseline; font-weight: 600; font-variant-numeric: tabular-nums; }
.rm-board .rn.big { font-size: 46px; line-height: 1.1; }
.rm-board .bs { display: inline-block; margin-left: .12em; padding: .02em .32em .06em; border-radius: .6em; font-size: .55em; font-weight: 700; line-height: 1.15; transform: translateY(.25em); background: #fff; color: var(--ink); box-shadow: inset 0 0 0 2px var(--bc); }
.rm-board .bs.b10 { --bc: var(--b10); } .rm-board .bs.b2 { --bc: var(--b2); } .rm-board .bs.b8 { --bc: var(--b8); } .rm-board .bs.b16 { --bc: var(--b16); }
.rm-board .op { color: var(--ink-2); font-weight: 600; }
.rm-board .q { color: var(--ink-2); }
.rchip { display: inline-grid; place-items: center; min-width: 1.3em; height: 1.3em; padding: 0 .24em; border-radius: .65em; font-weight: 700; line-height: 1; color: var(--ink); box-shadow: inset 0 -.07em 0 rgba(59, 50, 82, .14); font-variant-numeric: tabular-nums; }
.rchip.c1 { background: #ffa3c4; }

.rm-line { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px 10px; margin: 0; font: 600 30px/1.2 var(--num); }
.rm-line .rt { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }
.rm-line .left { display: inline-flex; align-items: center; gap: 8px; margin-left: 10px; padding-left: 14px; border-left: 2px solid var(--line); }
.rm-line .left.only { margin: 0; padding: 0; border: 0; }
.rm-line .lt { font: 700 18px var(--kr); color: var(--ink-2); }
.rm-line .mk { width: 40px; height: 40px; }
.rm-line .res { color: var(--b2); }
.rm-line.sum { font-size: 26px; }
.rm-line.rm-rev .tot { font-size: 1.15em; }

/* 오른쪽 확대/축소(세로 화면은 위 판 아래 오른쪽에 가로로) */
.rm-zoom { position: absolute; right: max(16px, env(safe-area-inset-right)); top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 6px; padding: 6px; border-radius: 18px; background: rgba(255, 253, 249, .9); box-shadow: var(--shadow); }
.rm-zoom .btn { min-width: 64px; padding: 0 8px; box-shadow: none; font-size: 18px; }

/* 조작 막대 */
.rm-dock .btn .lbl { white-space: nowrap; }
#rmAuto[aria-pressed="true"], #rmRev[aria-pressed="true"] { background: var(--ink); color: #fff; }

/* 거꾸로 놀이: 방 불 단추 줄(조작 막대 바로 위) */
.rm-keys { position: absolute; left: 0; right: 0; margin-inline: auto; width: max-content; bottom: calc(var(--dockh, 120px) + 8px); display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; max-width: calc(100% - 24px); padding: 8px; border-radius: 18px; background: rgba(255, 253, 249, .9); box-shadow: var(--shadow); }
.rk { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-width: 64px; min-height: 64px; padding: 4px 6px; border: 0; border-radius: 11px; background: #fff; color: var(--ink); font: 700 16px var(--num); cursor: pointer; box-shadow: inset 0 0 0 2px var(--line); transition: transform .3s var(--ease); }
.rk .rchip { font-size: 16px; }
.rk .rd { font-size: 22px; line-height: 1; color: var(--ink-2); }
.rk.on { background: #fff3c4; box-shadow: inset 0 0 0 3px var(--v4); }
.rk.on .rd { color: var(--ink); }
.rk:hover { transform: translateY(-2px); }
.rk:focus-visible { outline: 4px solid var(--b16); outline-offset: 2px; }

/* 숫자 고르기 */
.rm-form { margin: 0; }
.rm-lbl { margin: 4px 0 8px; font: 700 20px var(--kr); }
.rm-row { display: flex; gap: 10px; }
.rm-row input { flex: 1; min-width: 0; min-height: 64px; padding: 0 16px; border: 0; border-radius: 18px; background: #fff; box-shadow: inset 0 0 0 3px var(--line); color: var(--ink); font: 600 34px var(--num); }
.rm-row input:focus-visible { outline: 4px solid var(--b16); outline-offset: 2px; }
.rm-err { min-height: 1.5em; margin: 6px 0 4px; color: var(--red); font: 700 20px var(--kr); }
.rm-rnd { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.rm-rnd .btn { padding: 0 6px; gap: 2px; font-size: 20px; }
.rm-rnd .num { font-size: 28px; }

/* ── HUD(3D 위 글자, 논리 px) */
.rm-hud .rchip.c1 { font-size: 44px; }
.rm-hud .rm-crowd { display: flex; align-items: center; gap: 10px; border-radius: 999px; }
.rm-hud .rm-crowd.cmp { padding: 6px 12px 6px 6px; background: #fff; box-shadow: 0 10px 26px rgba(96, 74, 150, .22), inset 0 0 0 4px #8fdfb9; }
.rm-hud .rm-crowd.cmp.no { box-shadow: 0 10px 26px rgba(96, 74, 150, .22), inset 0 0 0 4px #ff8f9b; }
.rm-hud .rm-crowd.cmp.minus { box-shadow: 0 10px 26px rgba(96, 74, 150, .22), inset 0 0 0 4px #ffdc66; }
.rm-hud .rm-crowd .cmpx { display: flex; align-items: center; gap: 10px; font-size: 44px; font-weight: 700; }
.rm-hud .rm-crowd .cmpx .op { color: var(--ink); }
.rm-hud .rm-crowd .cmpx .rchip { font-size: 44px; }
.rm-hud .rm-crowd .mk { width: 52px; height: 52px; }
.rm-hud .rm-gauge { display: grid; place-items: center; width: 132px; height: 34px; border-radius: 999px; background: rgba(255, 255, 255, .92); box-shadow: inset 0 0 0 3px #cdc5de; overflow: hidden; }
.rm-hud .rm-gauge .g { position: absolute; inset: 3px; border-radius: 999px; overflow: hidden; }
.rm-hud .rm-gauge i { display: block; height: 100%; width: 0; border-radius: 999px; background: #ffdc66; }
.rm-hud .rm-gauge b { position: relative; font: 700 22px/1 var(--num); color: var(--ink); font-variant-numeric: tabular-nums; }
.rm-hud .rm-gauge.full { box-shadow: inset 0 0 0 3px #e0b43a, 0 0 0 5px rgba(255, 213, 74, .45), 0 0 26px rgba(255, 213, 74, .9); }
.rm-hud .rm-gauge.full i { background: #ffd54a; }
.rm-hud .rm-gauge.try { box-shadow: inset 0 0 0 3px #c9636d; }
.rm-hud .rm-gauge.try i { background: #ff8f9b; }
.rm-hud .rm-cells .cg { display: grid; gap: 4px; padding: 5px; border-radius: 11px; background: rgba(59, 50, 82, .55); }
.rm-hud .rm-cells .c8 { grid-template-columns: repeat(7, 16px); }
.rm-hud .rm-cells .c16 { grid-template-columns: repeat(5, 16px); }
.rm-hud .rm-cells i { width: 16px; height: 16px; border-radius: 5px; background: rgba(255, 255, 255, .28); }
.rm-hud .rm-cells i.on { background: #ffd54a; box-shadow: 0 0 10px rgba(255, 213, 74, .95); }
.rm-hud .rm-plate { display: flex; align-items: center; }
.rm-hud .rm-plate .pl { display: inline-grid; place-items: center; min-width: 1.25em; height: 1.3em; padding: 0 .2em; border-radius: .3em; background: #fff; font: 700 56px/1 var(--num); color: var(--ink); box-shadow: inset 0 -.07em 0 rgba(59, 50, 82, .14); }
.rm-hud .rm-plate .pl.zero { background: var(--zero); color: #6f6699; }
.rm-hud .rm-plate .pl.letter { background: #dceaff; color: #2e4f91; box-shadow: inset 0 0 0 4px #9cc6ff; }
.rm-hud .rm-plate .pl.jam { display: inline-flex; align-items: center; justify-content: center; color: var(--red); box-shadow: inset 0 0 0 4px var(--red); animation: rm-jam .45s var(--ease) 2; }
.rm-hud .rm-plate .pl.jam i { display: inline-block; font-style: normal; transform: scaleX(.55); margin: 0 -.12em; }
.rm-hud .rm-plate .x { display: grid; place-items: center; width: 34px; height: 34px; margin-left: -12px; margin-top: -48px; border-radius: 50%; background: var(--red); color: #fff; font: 700 20px var(--kr); }
.rm-hud .rm-times { padding: 2px 10px; border-radius: 999px; background: #fff; font: 700 28px var(--num); color: var(--ink); box-shadow: 0 4px 10px rgba(96, 74, 150, .18); }
@keyframes rm-jam { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

@media (max-width: 1100px) and (orientation: landscape) {
  .rm-board { padding: 8px 16px 10px; }
  .rm-board .rn.big { font-size: 38px; }
  .rm-line { font-size: 26px; }
  .rm-line.sum { font-size: 22px; }
  
  .rm-dock .btn { min-width: 88px; }
}
@media (max-height: 640px) and (orientation: landscape) {
  .rm-board { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 4px 16px; }
  .rm-board .rn.big { font-size: 34px; }
  
  .rm-line { font-size: 24px; }
  .rm-dock .btn { min-height: 68px; padding: 6px 10px; }
  .rm-dock .btn.step { min-height: 76px; }
}
@media (orientation: portrait) {
  .rm-top { flex-wrap: wrap; gap: 8px; padding: 8px; }
  .rm-title { font-size: 20px; padding: 6px 14px 6px 8px; min-height: 52px; }
  .rm-title .tw { display: none; }
  .rm-bases { order: 5; margin: 0 auto; flex: 0 1 auto; gap: 4px; padding: 4px; }
  .rm-bases .base { min-width: 76px; justify-content: center; }
  .rm-top .sound { margin-left: auto; }
  .rm-board { top: var(--rm-btop, 148px); left: 8px; right: 8px; transform: none; width: auto; max-width: none; padding: 8px 10px 10px; }
  .rm-board .rn.big { font-size: 34px; }
  
  .rm-line { font-size: 22px; gap: 4px 6px; }
  .rm-line.sum { font-size: 18px; }
  .rm-line.rm-rev { font-size: 19px; gap: 2px 5px; }
  .rm-line .mk { width: 30px; height: 30px; }

  .rm-zoom { top: var(--ztop, 300px); transform: none; right: 8px; flex-direction: row; padding: 4px; }
  .rm-zoom .btn { min-width: 64px; }
  .rm-dock { grid-template-columns: repeat(3, 1fr); }
  .rm-dock .btn.step { grid-column: span 2; }
  .rk { min-width: 56px; }
}
@media (orientation: portrait) and (max-width: 440px) {
  .rm-dock .btn .lbl { font-size: 18px; letter-spacing: -.04em; }
}
@media (prefers-reduced-motion: reduce) {
  .rm-hud .rm-plate .pl.jam { animation: none; }
  
}

/* 7판 어림 띠: [4] < 6 < [8] — 어느 두 집 크기 사이인지 · 예시 수 단추 */
.rm-band { display: inline-flex; align-items: center; gap: 8px; min-height: 56px; padding: 4px 16px; border-radius: 999px; background: #fff; box-shadow: inset 0 0 0 3px var(--v4); font: 600 30px var(--num); }
.rm-band .bn { color: var(--ink); }
.rm-ex { display: inline-flex; gap: 6px; }
.rm-ex .btn.sm { min-height: 56px; min-width: 64px; padding: 0 12px; font: 600 24px var(--num); box-shadow: inset 0 0 0 2px var(--line); }
.rm-ex .btn.on { background: var(--v4); box-shadow: inset 0 0 0 2px #c79a1c; }
.rm-ex { align-items: center; } .rm-ex .lt { font: 700 17px var(--kr); color: var(--ink-2); }
.rm-line .left .lt:last-child { margin-left: -4px; }