/* 世界観：夜の閲覧室。生成りの入室票と朱の判、ドット絵の部屋。角丸・グラデ・ぼかしは使わない */
:root {
  --ink: #14131c;
  --ink2: #1f1d2b;
  --line: #4a4658;
  --paper: #efe7d6;
  --paper2: #e0d5bd;
  --paper-ink: #24202b;
  --paper-soft: #5c5448;
  --lamp: #ffd98a;
  --shu: #d9401f;
  --shu-dark: #9c2a12;
  --ok: #8fc7a8;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--ink); color: var(--paper); overflow: hidden; }
body { font: 15px/1.6 "DotGothic16", "Hiragino Kaku Gothic ProN", "Yu Gothic", monospace; -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }
button, input { font: inherit; color: inherit; }
a { color: inherit; }

#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; image-rendering: pixelated; cursor: pointer; }

/* 上の札 */
#hud { position: fixed; top: max(8px, env(safe-area-inset-top)); left: 8px; right: 8px; display: flex; gap: 6px; align-items: flex-start; flex-wrap: wrap; pointer-events: none; }
.plate { background: var(--ink); border: 2px solid var(--line); padding: 2px 9px; display: flex; gap: 10px; align-items: baseline; white-space: nowrap; }
.plate b { color: var(--lamp); font-weight: normal; }
.plate span { color: var(--paper); }
#clockMode.rest { color: var(--ok); }
.tools { margin-left: auto; display: flex; gap: 6px; pointer-events: auto; }
button { cursor: pointer; }
.tools button, #dock button, .pop button {
  background: var(--ink); border: 2px solid var(--line); padding: 3px 10px; min-height: 36px;
}
.tools button:hover, #dock button:hover, .pop button:hover { border-color: var(--lamp); color: var(--lamp); }
.tools button:active, #dock button:active, .pop button:active { transform: translateY(1px); }
button:focus-visible, input:focus-visible, a:focus-visible { outline: 2px solid var(--lamp); outline-offset: 2px; }

/* 下の合図 */
#dock { position: fixed; left: 8px; right: 8px; bottom: max(8px, env(safe-area-inset-bottom)); display: flex; flex-direction: column; align-items: center; gap: 6px; pointer-events: none; }
#hint { background: var(--ink); border: 2px solid var(--line); padding: 2px 10px; text-align: center; max-width: 100%; }
#hint:empty { display: none; }
#dockRow { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; pointer-events: auto; }
#stamps { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; }
#upBtn { background: var(--shu) !important; border-color: var(--shu-dark) !important; color: #fff !important; }

.pop { position: fixed; z-index: 3; background: var(--paper); color: var(--paper-ink); border: 2px solid var(--paper-ink); box-shadow: 4px 4px 0 var(--shu); padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; min-width: 150px; }
.pop button { background: var(--paper2); color: var(--paper-ink); border-color: var(--paper-ink); }
.pop button:hover { color: var(--shu-dark); border-color: var(--shu-dark); }

#toast { position: fixed; z-index: 4; top: 62px; left: 50%; transform: translateX(-50%); background: var(--paper); color: var(--paper-ink); border: 2px solid var(--paper-ink); box-shadow: 3px 3px 0 var(--shu); padding: 4px 12px; max-width: calc(100vw - 24px); text-align: center; }

/* 入室票 */
#gate { position: fixed; inset: 0; z-index: 2; display: flex; overflow-y: auto; padding: 16px; background: rgba(12, 11, 18, .45); }
#slip {
  margin: auto; width: 100%; max-width: 460px; background: var(--paper); color: var(--paper-ink);
  border: 2px solid var(--paper-ink); box-shadow: 7px 7px 0 var(--shu); padding: 20px 22px 14px; position: relative;
}
/* 朱の判 */
#slip::after {
  content: "入室"; position: absolute; top: 18px; right: 20px; width: 54px; height: 54px; border: 3px solid var(--shu); color: var(--shu);
  display: flex; align-items: center; justify-content: center; font-size: 17px; transform: rotate(-7deg); letter-spacing: .05em;
}
.kicker { margin: 0; font-size: 13px; color: var(--paper-soft); }
h1 { margin: 0 0 2px; font-size: 42px; line-height: 1.2; font-weight: normal; letter-spacing: .08em; }
.lead { margin: 0 0 14px; font-size: 17px; line-height: 1.5; }
.row { display: flex; gap: 14px; border-top: 2px dashed var(--paper-ink); padding-top: 14px; }
.who { flex: none; background: var(--ink); border: 2px solid var(--paper-ink); padding: 6px 10px; align-self: flex-start; }
#preview { display: block; width: 72px; height: 90px; image-rendering: pixelated; }
.fields { flex: 1; min-width: 0; }
label { display: block; }
label small { color: var(--paper-soft); font-size: 12px; margin-left: 4px; }
#nameInput { width: 100%; background: #fbf6ea; border: 2px solid var(--paper-ink); padding: 6px 8px; margin-top: 2px; font-size: 16px; color: var(--paper-ink); border-radius: 0; }
.err { margin: 4px 0 0; color: var(--shu-dark); }
.swatches { margin-top: 8px; display: grid; gap: 5px; }
.pick { display: flex; align-items: center; gap: 3px; }
.pick > span { flex: none; width: 2.1em; font-size: 13px; color: var(--paper-soft); }
.pick button { flex: 0 1 26px; min-width: 0; height: 26px; padding: 0; border: 2px solid var(--paper-ink); background: var(--paper2); color: var(--paper-ink); font-size: 13px; line-height: 1; }
.pick button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--shu); }
fieldset { border: 0; padding: 0; margin: 14px 0 0; }
legend { padding: 0; }
#roomList { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-top: 3px; }
#roomList button { background: var(--paper2); border: 2px solid var(--paper-ink); color: var(--paper-ink); padding: 5px 2px; line-height: 1.35; }
#roomList button small { display: block; font-size: 12px; color: var(--paper-soft); }
#roomList button[aria-pressed="true"] { background: var(--paper-ink); color: var(--lamp); }
#roomList button[aria-pressed="true"] small { color: var(--paper2); }
#roomList button:disabled { opacity: .5; cursor: not-allowed; }
#enterBtn { width: 100%; margin-top: 14px; padding: 10px; font-size: 19px; letter-spacing: .1em; background: var(--shu); color: #fff; border: 2px solid var(--paper-ink); box-shadow: 3px 3px 0 var(--paper-ink); }
#enterBtn:hover { background: var(--shu-dark); }
#enterBtn:active { transform: translate(3px, 3px); box-shadow: none; }
#enterBtn:disabled { background: var(--paper-soft); cursor: wait; }
.notes { margin: 12px 0 0; padding: 0; list-style: none; font-size: 13px; line-height: 1.55; color: var(--paper-soft); }
.notes li { padding-left: 1em; text-indent: -1em; margin-bottom: 2px; }
.notes li::before { content: "・"; }
.notes b { color: var(--paper-ink); font-weight: normal; }
footer { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 10px; padding-top: 8px; border-top: 2px dashed var(--paper-ink); font-size: 13px; }

@media (max-width: 600px) {
  .plate { padding: 1px 6px; gap: 7px; font-size: 13px; }
  #myTime { display: none; }
  .tools button { padding: 1px 7px; min-height: 32px; font-size: 13px; }
  #hud { row-gap: 4px; }
  #dock button { padding: 2px 7px; font-size: 13px; flex: none; }
  /* 合図は1列にして、横に送る（部屋を隠さない） */
  #dock { align-items: stretch; }
  #hint { align-self: center; }
  #dockRow { flex-wrap: nowrap; justify-content: flex-start; }
  #stamps { flex: 1; flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; min-width: 0; scrollbar-width: none; }
  #gate { padding: 10px; }
  #slip { padding: 14px 14px 10px; box-shadow: 4px 4px 0 var(--shu); }
  #slip::after { top: 12px; right: 12px; width: 44px; height: 44px; font-size: 14px; }
  h1 { font-size: 34px; }
  .lead { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }