:root {
  --bg-top: #f1eadf;
  --bg-bottom: #d7e2d8;
  --panel: rgba(255, 250, 241, 0.82);
  --panel-border: rgba(67, 84, 63, 0.12);
  --ink: #223127;
  --muted: #64705f;
  --accent: #296a55;
  --accent-strong: #1d4c3d;
  --secondary: #c36d3d;
  --tile-top: #fff8ea;
  --tile-bottom: #f4deba;
  --tile-border: rgba(70, 51, 21, 0.16);
  --tile-shadow: 0 14px 28px rgba(80, 62, 38, 0.14);
  --grid-gap: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.75), transparent 26%),
    radial-gradient(circle at right 15% top 24%, rgba(41, 106, 85, 0.14), transparent 18%),
    linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
}

.app {
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero,
.panel,
.board-shell {
  backdrop-filter: blur(14px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: 0 18px 36px rgba(53, 67, 43, 0.1);
  border-radius: 28px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 20px;
  padding: 26px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 4rem);
  line-height: 0.95;
}

.subtitle,
#stageText,
#lastEvent,
.message {
  color: var(--muted);
  line-height: 1.6;
}

.status-card,
.meta-card,
.player-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(120, 117, 91, 0.12);
}

.status-card strong,
.meta-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.4rem;
}

.panel {
  margin-top: 18px;
  padding: 18px 20px;
}

.field-row,
.controls,
.room-meta,
.player-list {
  display: grid;
  gap: 12px;
}

.field-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.meta-card span,
.status-card span,
.player-card span {
  font-size: 0.86rem;
  color: var(--muted);
}

.field input {
  width: 100%;
  border: 1px solid rgba(77, 96, 73, 0.16);
  border-radius: 16px;
  padding: 12px 14px;
  font: inherit;
  background: rgba(255, 255, 255, 0.88);
}

.controls {
  margin-top: 14px;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
}

.controls button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--secondary), #a54f24);
  color: #fff9f2;
  padding: 12px 18px;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(165, 79, 36, 0.22);
}

.controls button[hidden] {
  display: none;
}

#readyBtn {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  box-shadow: 0 10px 20px rgba(29, 76, 61, 0.2);
}

#startGameBtn {
  background: linear-gradient(180deg, #4966a8, #314a82);
  box-shadow: 0 10px 20px rgba(49, 74, 130, 0.22);
}

#leaveRoomBtn {
  background: linear-gradient(180deg, #7a5a4a, #604438);
  box-shadow: 0 10px 20px rgba(96, 68, 56, 0.2);
}

.controls button:hover {
  filter: brightness(1.03);
}

.controls button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.room-meta,
.player-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.room-meta {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.player-card.self {
  outline: 3px solid rgba(41, 106, 85, 0.16);
}

.player-card.winner {
  animation: winner-glow 900ms ease infinite alternate;
  border-color: rgba(41, 106, 85, 0.28);
}

.player-card.loser {
  opacity: 0.78;
  transform: scale(0.985);
}

.player-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.12rem;
}

.player-card em {
  display: inline-block;
  margin-top: 8px;
  font-style: normal;
  color: var(--accent);
}

.player-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.8rem;
  background: rgba(41, 106, 85, 0.12);
  color: var(--accent-strong);
}

.badge.owner {
  background: rgba(73, 102, 168, 0.12);
  color: #314a82;
}

.badge.result-win {
  background: rgba(41, 106, 85, 0.16);
  color: var(--accent-strong);
}

.badge.result-lose {
  background: rgba(195, 109, 61, 0.14);
  color: #9a4a23;
}

.feedback {
  color: var(--accent-strong);
  font-weight: 700;
}

.helper {
  margin-top: 6px;
}

.board-shell {
  position: relative;
  margin-top: 18px;
  padding: 20px;
}

.result-banner {
  position: absolute;
  top: 18px;
  left: 50%;
  z-index: 4;
  transform: translateX(-50%);
  min-width: min(86vw, 460px);
  padding: 16px 22px;
  border-radius: 22px;
  text-align: center;
  background: rgba(255, 251, 245, 0.95);
  border: 1px solid rgba(120, 117, 91, 0.18);
  box-shadow: 0 18px 30px rgba(43, 55, 39, 0.16);
  animation: banner-drop 420ms ease;
}

.result-banner.win {
  background: rgba(235, 248, 239, 0.96);
  border-color: rgba(41, 106, 85, 0.24);
}

.result-banner.lose {
  background: rgba(255, 244, 236, 0.96);
  border-color: rgba(195, 109, 61, 0.22);
}

.result-banner strong {
  display: block;
  font-size: 1.35rem;
}

.result-banner p {
  margin: 8px 0 0;
  color: var(--muted);
}

.board {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: var(--grid-gap);
}

.tile {
  min-height: 70px;
  border: 1px solid var(--tile-border);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--tile-top), var(--tile-bottom));
  box-shadow: var(--tile-shadow);
  cursor: pointer;
  transition: transform 90ms ease, opacity 90ms ease, box-shadow 90ms ease;
  will-change: transform, opacity;
}

.tile:hover {
  transform: translateY(-2px);
}

.tile.selected {
  box-shadow: 0 0 0 3px rgba(195, 109, 61, 0.18), var(--tile-shadow);
}

.tile.matching {
  transform: scale(1.06);
  box-shadow: 0 0 0 3px rgba(41, 106, 85, 0.28), var(--tile-shadow);
}

.tile.pending {
  opacity: 0.72;
  filter: saturate(0.75);
  transform: scale(0.96);
  box-shadow: 0 0 0 3px rgba(41, 106, 85, 0.2), var(--tile-shadow);
}

.tile.removed {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.82);
}

.tile-face {
  display: grid;
  place-items: center;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
}

@keyframes winner-glow {
  from {
    box-shadow: 0 12px 26px rgba(41, 106, 85, 0.12);
  }
  to {
    box-shadow: 0 18px 32px rgba(41, 106, 85, 0.28);
  }
}

@keyframes banner-drop {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@media (max-width: 860px) {
  .hero,
  .field-row,
  .controls,
  .room-meta,
  .player-list {
    grid-template-columns: 1fr;
  }

  .tile {
    min-height: 58px;
  }
}