/* 画面まわり（編集・操作・視聴者）の共通スタイル。盤面そのものは board.css。 */
:root {
  --ui-bg: #f6f3fa; --ui-card: #ffffff; --ui-ink: #2b2540; --ui-sub: #6a6480; --ui-line: #e3dfee;
  --ui-accent: #ff5fa2; --ui-accent-deep: #d83b86; --ui-warn: #b45309; --ui-ok: #1f9e6e; --ui-ng: #d64560;
  --ui-font: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--ui-bg); color: var(--ui-ink); font-family: var(--ui-font); font-weight: 700; line-height: 1.6; }
button, input, textarea { font: inherit; color: inherit; }

.top { padding: 18px 16px 6px; max-width: 1240px; margin: 0 auto; }
.top h1 { margin: 0; font-size: 22px; }
.tagline { margin: 2px 0 0; color: var(--ui-sub); font-size: 13.5px; }
.foot { text-align: center; color: var(--ui-sub); padding: 24px 16px 32px; }

/* ===== 編集画面: スマホは縦積み、広い画面は左にプレビュー・右に入力 ===== */
.editor { max-width: 1240px; margin: 0 auto; padding: 10px 16px; display: grid; gap: 18px; grid-template-columns: minmax(0, 1fr); }
.preview { min-width: 0; }
.stage { position: relative; width: 100%; max-width: 640px; margin: 0 auto; overflow: hidden; border-radius: 16px; box-shadow: 0 10px 30px rgba(40, 20, 80, .16); background: #fff; }
.stage .board { border-radius: 0; box-shadow: none; transform-origin: 0 0; }
.preview-note { margin: 8px auto 0; max-width: 640px; font-size: 12.5px; color: var(--ui-sub); min-height: 1.6em; }
.preview-note.warn { color: var(--ui-warn); }
@media (min-width: 1000px) {
  .editor { grid-template-columns: minmax(0, 640px) minmax(340px, 1fr); align-items: start; }
  .preview { position: sticky; top: 14px; }
}

.card { background: var(--ui-card); border-radius: 18px; padding: 16px 16px 14px; box-shadow: 0 4px 16px rgba(40, 20, 80, .07); margin-bottom: 16px; }
.card h2 { margin: 0 0 6px; font-size: 16.5px; }
.card h3 { margin: 14px 0 7px; font-size: 12.5px; color: var(--ui-sub); letter-spacing: .04em; }
.card h3.accent { color: var(--ui-accent-deep); margin-top: 4px; }
.hint { margin: 0 0 8px; font-size: 12.5px; color: var(--ui-sub); }
.warn { margin: 8px 0 0; font-size: 12.5px; color: var(--ui-warn); }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.count { font-size: 13px; color: var(--ui-sub); }
.count.over { color: var(--ui-ng); }

textarea, input[type="text"] { width: 100%; border: 2px solid var(--ui-line); border-radius: 12px; padding: 9px 11px; background: #fff; }
textarea { resize: vertical; min-height: 220px; line-height: 1.7; font-size: 15px; }
textarea:focus, input[type="text"]:focus { outline: none; border-color: var(--ui-accent); }
input[type="color"] { width: 46px; height: 36px; padding: 2px; border: 2px solid var(--ui-line); border-radius: 10px; background: #fff; cursor: pointer; }
.field { display: grid; gap: 4px; margin-top: 10px; font-size: 12.5px; color: var(--ui-sub); }
.field input { font-size: 15px; color: var(--ui-ink); }
.copy { display: flex; gap: 8px; }
.copy input { flex: 1; min-width: 0; font-size: 12.5px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button { font-size: 13.5px; font-weight: 800; padding: 8px 13px; border-radius: 999px; border: 2px solid var(--ui-line); background: #fff; cursor: pointer; }
.chips button:hover { border-color: #b9b0d6; }
.chips button[aria-pressed="true"] { background: var(--ui-ink); border-color: var(--ui-ink); color: #fff; }
.chips.preset button { border-color: #ffc2dc; }
.chips.preset button[aria-pressed="true"] { background: var(--ui-accent); border-color: var(--ui-accent); }

button.primary, a.primary { background: var(--ui-accent); color: #fff; border: 2px solid var(--ui-accent); border-radius: 999px; padding: 10px 20px; font-weight: 900; cursor: pointer; text-decoration: none; display: inline-block; text-align: center; }
button.primary:hover, a.primary:hover { background: var(--ui-accent-deep); border-color: var(--ui-accent-deep); }
button.ghost { background: #fff; border: 2px solid var(--ui-line); border-radius: 999px; padding: 9px 16px; font-weight: 800; cursor: pointer; }
button.ghost:hover { border-color: #b9b0d6; }
button.small { font-size: 12.5px; padding: 6px 11px; }
button.big, a.big { font-size: 17px; padding: 13px 26px; }
button:disabled { opacity: .5; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.actions .big { flex: 1 1 100%; }
.msg { margin: 10px 0 0; font-size: 13.5px; min-height: 1.6em; }
.msg.ng { color: var(--ui-ng); } .msg.ok { color: var(--ui-ok); }
.urls { margin-top: 6px; padding-top: 10px; border-top: 2px dashed var(--ui-line); font-size: 13.5px; }
.urls p { margin: 0 0 4px; }
.urls .link { margin-top: 14px; width: 100%; }

.tips { margin-top: 10px; font-size: 12.5px; color: var(--ui-sub); }
.tips summary { cursor: pointer; font-weight: 800; color: var(--ui-ink); }
.tips ul { margin: 8px 0 0; padding-left: 1.3em; }
.tips li { margin-bottom: 4px; }
.tips b { color: var(--ui-ink); }
.readout { margin: 8px 0 0; padding-left: 2.2em; max-height: 260px; overflow: auto; }
.readout li { margin-bottom: 3px; }
.readout .tag { display: inline-block; margin-left: 6px; padding: 0 8px; border-radius: 999px; font-size: 11.5px; background: #eee9f7; color: var(--ui-ink); }
.readout .tag.move { background: #dcecff; } .readout .tag.batsu { background: #ffe6cf; } .readout .tag.stop { background: #ffec99; }
.readout .tag.none { background: transparent; color: var(--ui-sub); padding: 0; }

.png-dialog { border: 0; border-radius: 18px; padding: 16px; width: min(92vw, 620px); box-shadow: 0 20px 60px rgba(20, 10, 50, .35); }
.png-dialog::backdrop { background: rgba(30, 20, 60, .55); }
.png-dialog img { width: 100%; display: block; border-radius: 10px; margin: 10px 0; }
.dialog-head { display: flex; justify-content: space-between; align-items: center; }
.dialog-head h2 { margin: 0; font-size: 16.5px; }

/* ===== 進行中（操作する画面・視聴者画面） ===== */
.top.slim { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-bottom: 2px; }
.top.slim h1 { font-size: 18px; }
.conn { font-size: 12px; color: var(--ui-sub); }
.conn.ok { color: var(--ui-ok); } .conn.ng { color: var(--ui-ng); }
.fatal { max-width: 560px; margin: 30px auto; }
.fatal p { font-size: 13.5px; color: var(--ui-sub); }
a.ghost { background: #fff; border: 2px solid var(--ui-line); border-radius: 999px; padding: 9px 16px; font-weight: 800; text-decoration: none; color: var(--ui-ink); display: inline-block; }

.now { border: 3px solid var(--ui-accent); }
.now-pos { font-size: 12.5px; color: var(--ui-accent-deep); }
.now-text { font-size: 26px; font-weight: 900; line-height: 1.3; margin: 2px 0 6px; word-break: break-word; }
.now-last { margin: 0; font-size: 13.5px; color: var(--ui-sub); min-height: 1.6em; }
.branch { margin-top: 12px; padding: 12px; border-radius: 14px; background: #fff7d6; border: 2px solid #f2c200; }
.branch p { margin: 0 0 10px; font-size: 14px; }

.dice { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.dice button { aspect-ratio: 1; font-size: 26px; font-weight: 900; border-radius: 16px; border: 3px solid var(--ui-ink); background: #fff; cursor: pointer; box-shadow: 0 4px 0 var(--ui-ink); }
.dice button:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--ui-ink); }
.tips .dice { margin-top: 10px; }
.dice.more { margin-top: 8px; }
.dice.more button { font-size: 19px; border-width: 2px; box-shadow: 0 3px 0 var(--ui-ink); }
.tools { margin-top: 14px; }

.pen { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: center; padding: 10px 0; border-top: 2px dashed var(--ui-line); }
.pen:first-child { border-top: 0; padding-top: 2px; }
.pen-name { font-size: 15px; }
.pen-num { text-align: right; line-height: 1.2; }
.pen-num b { font-size: 24px; } .pen-num small { margin-left: 3px; font-size: 12px; color: var(--ui-sub); }
.pen-num span { display: block; font-size: 11.5px; color: var(--ui-sub); }
.pen-btns { grid-column: 1 / -1; display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.pen.done .pen-name, .pen.done .pen-num b { color: var(--ui-sub); text-decoration: line-through; }
.empty { margin: 0; font-size: 13px; color: var(--ui-sub); }

/* ===== サイコロ（盤面の上で転がる） ===== */
.dice-layer { position: absolute; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center; gap: 22px; pointer-events: none;
  opacity: 0; transition: opacity .25s ease; background: radial-gradient(closest-side, rgba(20, 10, 40, .32), transparent); }
.dice-layer.on { opacity: 1; }
.die { --d: clamp(64px, 22%, 104px); width: var(--d); aspect-ratio: 1; perspective: 520px; filter: drop-shadow(0 12px 10px rgba(0, 0, 0, .35)); container-type: inline-size; }
.die.tumble { animation: die-bounce .95s cubic-bezier(.3, 0, .4, 1); }
.die.landed { animation: die-land .3s ease; }
@keyframes die-bounce { 0% { transform: translateY(-120%) scale(.7); } 45% { transform: translateY(0) scale(1.05); } 62% { transform: translateY(-22%); } 80% { transform: translateY(0); } 90% { transform: translateY(-6%); } 100% { transform: translateY(0); } }
@keyframes die-land { 50% { transform: scale(1.14); } }
.cube { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; }
.face { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); padding: 13%; gap: 4%;
  background: linear-gradient(145deg, #ffffff, #ece7f5); border: 2px solid #cfc7e2; border-radius: 16%; backface-visibility: hidden; }
.face i { border-radius: 50%; }
.face .pip { background: #2b2540; box-shadow: inset 0 -2px 2px rgba(255, 255, 255, .25); }
.face.f1 .pip { background: #e23d5b; transform: scale(1.45); }
.f1 { transform: translateZ(50cqw); }
.f6 { transform: rotateY(180deg) translateZ(50cqw); }
.f3 { transform: rotateY(90deg) translateZ(50cqw); }
.f4 { transform: rotateY(-90deg) translateZ(50cqw); }
.f5 { transform: rotateX(90deg) translateZ(50cqw); }
.f2 { transform: rotateX(-90deg) translateZ(50cqw); }
@media (prefers-reduced-motion: reduce) { .die.tumble, .die.landed { animation: none; } }

.roll-btn { width: 100%; margin-bottom: 14px; font-size: 20px; padding: 16px 20px; border-radius: 18px; box-shadow: 0 5px 0 var(--ui-accent-deep); }
.roll-btn:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--ui-accent-deep); }

/* ===== コマを追って拡大 / 画面上部の切り替えボタン ===== */
/* 編集画面のプレビューには付けない（画像の書き出しが動きの途中を撮ってしまうため） */
.playing .stage .board, .watching .stage .board { transition: transform .35s ease; }
@media (prefers-reduced-motion: reduce) { .playing .stage .board, .watching .stage .board { transition: none; } }
.toggles { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.toggles button { font-size: 12.5px; font-weight: 800; padding: 6px 12px; border-radius: 999px; border: 2px solid var(--ui-line); background: #fff; cursor: pointer; }
.toggles button[aria-pressed="true"] { background: var(--ui-ink); border-color: var(--ui-ink); color: #fff; }
.vol { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--ui-sub); }
.vol input { accent-color: var(--ui-accent); }

/* ===== 画像の選択（編集画面） ===== */
.thumb { width: 52px; height: 52px; border-radius: 12px; border: 2px solid var(--ui-line); background: #faf8fd center / contain no-repeat; flex: none; display: grid; place-items: center; font-size: 11px; color: var(--ui-sub); }
.thumb.bg-thumb { width: 78px; background-size: cover; }

/* 保存していない変更があるとき、保存ボタンを目立たせる */
button.attn { box-shadow: 0 0 0 4px #ffe08a; }

/* ===== 使い方ページ ===== */
.top { position: relative; }
.help-link { position: absolute; right: 16px; top: 20px; font-size: 13px; font-weight: 800; color: var(--ui-ink); text-decoration: none; border: 2px solid var(--ui-line); border-radius: 999px; padding: 5px 12px; background: #fff; }
.help { max-width: 760px; margin: 0 auto; padding: 10px 16px 30px; }
.help .card h2 { font-size: 18px; margin-bottom: 8px; }
.help p, .help li { font-size: 14.5px; font-weight: 700; }
.help ul, .help ol { padding-left: 1.4em; margin: 6px 0; }
.help li { margin-bottom: 6px; }
.help code { background: #f1edf8; border-radius: 6px; padding: 1px 6px; font-family: inherit; }
.help table { border-collapse: collapse; width: 100%; font-size: 14px; }
.help th, .help td { text-align: left; padding: 7px 8px; border-bottom: 2px solid var(--ui-line); vertical-align: top; }
.help th { color: var(--ui-sub); font-size: 12.5px; white-space: nowrap; }
.help .steps { list-style: none; padding: 0; counter-reset: step; display: grid; gap: 10px; }
.help .steps li { counter-increment: step; padding-left: 44px; position: relative; }
.help .steps li::before { content: counter(step); position: absolute; left: 0; top: -2px; width: 32px; height: 32px; border-radius: 50%; background: var(--ui-accent); color: #fff; display: grid; place-items: center; font-weight: 900; }
.help .toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; padding: 0; list-style: none; }
.help .toc a { display: inline-block; font-size: 13px; padding: 6px 12px; border-radius: 999px; background: #fff; border: 2px solid var(--ui-line); color: var(--ui-ink); text-decoration: none; }