:root {
  --ink: #3b2733;
  --muted: #7c5a6b;
  --pink: #e95f9d;
  --pink-dark: #b83d75;
  --pink-soft: #fff1f7;
  --lavender: #f7f0ff;
  --line: #f0c9dd;
  --card: rgba(255, 255, 255, 0.94);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(255, 211, 232, .75), transparent 34%),
    linear-gradient(180deg, var(--pink-soft), var(--lavender));
}

button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.app {
  width: min(100%, 720px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 16px;
}

.header {
  padding: 16px 8px 20px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--pink-dark);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
}

.header h1 { margin: 0; font-size: clamp(25px, 7vw, 34px); letter-spacing: -.04em; }
.header h1 span { color: var(--pink); font-size: .72em; letter-spacing: .03em; }
.header > p:last-child { margin: 8px 0 0; color: var(--muted); font-weight: 700; }

.card {
  margin-bottom: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  box-shadow: 0 10px 24px rgba(120, 70, 100, .12);
}

.compactCard { padding: 14px 16px; }
.hidden { display: none !important; }

h2, h3 { margin-top: 0; }
h2 { margin-bottom: 8px; }
h3 { margin-bottom: 10px; }
.guide { margin: 0 0 18px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.small { margin: 0; color: #8b7280; font-size: 12px; font-weight: 700; }

label { display: block; margin: 14px 0; font-weight: 800; }
input,
select {
  width: 100%;
  margin-top: 7px;
  padding: 13px;
  border: 1px solid #ddb4ca;
  border-radius: 14px;
  outline: none;
  background: white;
  color: var(--ink);
  font-size: 16px;
}
input:focus,
select:focus { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(233, 95, 157, .14); }

button {
  width: 100%;
  margin-top: 10px;
  padding: 14px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--pink);
  color: white;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 6px 0 var(--pink-dark);
  cursor: pointer;
}
button:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 3px 0 var(--pink-dark); }
button:disabled { background: #c9b7c1; box-shadow: none; cursor: not-allowed; }
.subButton { background: #8b6eea; box-shadow: 0 6px 0 #624bac; }
.subButton:active:not(:disabled) { box-shadow: 0 3px 0 #624bac; }
.textButton { margin-top: 14px; padding: 8px; background: transparent; color: var(--muted); box-shadow: none; font-size: 14px; text-decoration: underline; }
.textButton:active:not(:disabled) { transform: none; box-shadow: none; }

.divider { display: flex; align-items: center; gap: 10px; margin: 22px 0; color: #9a7487; font-size: 12px; font-weight: 800; }
.divider::before, .divider::after { content: ""; flex: 1; border-top: 1px dashed #e8aac8; }

.message { min-height: 1.5em; margin: 14px 0 0; color: #79576a; font-size: 14px; font-weight: 800; line-height: 1.55; }
.message.isError { color: #c0396b; }

#roomIdText { margin: 4px 0 8px; font-size: 32px; letter-spacing: 4px; }
.lobbyTitleRow { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 22px; }
.playerLimit { border-radius: 999px; padding: 5px 9px; background: #fff1f7; color: #a54e78; font-size: 12px; font-weight: 900; }
#playerList { margin: 0 0 12px; padding: 0; list-style: none; }
.playerItem { display: grid; gap: 3px; margin-bottom: 8px; padding: 10px 12px; border: 1px solid #f1cddd; border-radius: 14px; background: #fff7fb; }
.playerItem strong { font-size: 15px; }
.playerItem span { color: var(--muted); font-size: 13px; }

.gameMeta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.gameRoomId, .courseName { margin: 3px 0 0; font-weight: 900; }
.gameRoomId { letter-spacing: .12em; }
.courseName { color: #8b5a76; font-size: 14px; }
.turnCard { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.turnCard span { color: var(--muted); font-weight: 800; }
.turnCard strong { color: var(--pink-dark); font-size: 22px; }
.boardCard { overflow: hidden; padding: 12px; }

.board { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; }
.cell {
  position: relative;
  min-height: 66px;
  overflow: hidden;
  padding: 6px;
  border: 1px solid #efd0df;
  border-radius: 15px;
  background: #fff7fb;
}
.cell:nth-child(5n + 2), .cell:nth-child(5n + 4) { background: #fbf6ff; }
.cell.start { background: #dff7ee; border-color: #b9e6d6; }
.cell.goal { background: #ffe3a3; border-color: #efc96b; }
.cellNumber { color: #a54e78; font-size: 11px; font-weight: 900; }
.start .cellNumber { color: #298265; }
.goal .cellNumber { color: #a66a09; }
.pieces { position: absolute; right: 5px; bottom: 5px; left: 5px; display: flex; flex-wrap: wrap; gap: 3px; }
.piece { display: grid; width: 19px; height: 19px; place-items: center; border: 2px solid white; border-radius: 50%; color: white; font-size: 10px; font-weight: 900; box-shadow: 0 2px 5px rgba(0,0,0,.16); }
.piece.me { outline: 2px solid #3b2733; outline-offset: 1px; }
.piece0 { background: #e95f9d; }.piece1 { background: #8b6eea; }.piece2 { background: #36a3ff; }.piece3 { background: #20b486; }.piece4 { background: #f29f3d; }

.center { text-align: center; }
.dice { margin: 0 0 8px; font-size: 72px; line-height: 1; }
.dice.rolling { animation: diceShake .22s linear infinite; }
@keyframes diceShake { 0%,100% { transform: rotate(0); } 25% { transform: rotate(-8deg) translateX(-2px); } 75% { transform: rotate(8deg) translateX(2px); } }
.eventText { min-height: 76px; margin: 18px 0 0; padding: 14px; border: 1px solid #f1d5e3; border-radius: 16px; background: #fff7fb; text-align: left; line-height: 1.65; font-weight: 700; }
.resultPanel { margin-top: 14px; padding: 14px; border-radius: 16px; background: #fff3cd; color: #7b5608; font-weight: 900; }
.resultPanel p { margin: 0; line-height: 1.6; }
.resultPanel button { margin-top: 14px; }
.srOnly { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

@media (max-width: 480px) {
  .app { padding: 12px; }
  .header { padding-top: 10px; }
  .card { padding: 14px; border-radius: 18px; }
  .gameMeta { grid-template-columns: 1fr; gap: 8px; }
  .board { gap: 5px; }
  .cell { min-height: 59px; padding: 5px; border-radius: 12px; }
  .cellNumber { font-size: 10px; }
  .piece { width: 17px; height: 17px; font-size: 9px; }
}