.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0));
  backdrop-filter: blur(6px);
}

.app-header .left {
  display: flex;
  gap: 16px;
  align-items: center;
}

.uno-mark {
  position: relative;
  width: 92px;
  height: 60px;
  transform: rotate(-16deg);
}

.uno-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 100% at 30% 30%, var(--uno-yellow), var(--uno-red) 70%);
  border-radius: 50% / 60% 60% 40% 40%;
  box-shadow: 0 6px 16px rgba(0,0,0,.35), inset 0 0 0 3px #000, inset 0 0 0 6px #fff;
}

.uno-mark span {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,.4);
  letter-spacing: 1px;
  font-size: 22px;
}

.titles h1 {
  margin: 0;
  font-size: 20px;
}

.titles p {
  margin: 2px 0 0;
  color: #d6d6e7;
  font-size: 13px;
}

main {
  padding: 18px 18px 0;
  display: grid;
  gap: 18px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  align-content: stretch;
  grid-template-rows: minmax(0, 1fr);
}

.board {
  position: relative;
  min-height: 640px;
  height: 100%;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04), 0 12px 60px rgba(0,0,0,.35);
  overflow: hidden;
}

.center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.discard {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 14px;
  border-radius: 16px;
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}

.deck-row {
  display: flex;
  gap: 10px;
}

.header-status {
  margin-left: auto;
  display: grid;
  gap: 6px;
  justify-items: end;
  text-align: right;
}

.header-status .message {
  color: #d6d6e7;
  opacity: .9;
}

.board .players {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.player {
  position: absolute;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
  backdrop-filter: blur(6px);
}

.player header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
  border: 0;
  background: transparent;
}

.seat-bottom {
  left: 50%;
  bottom: clamp(12px, 2.5vh, 24px);
  transform: translate(-50%, 0);
  width: min(94%, 860px);
}

.seat-top {
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  width: 74%;
}

.seat-left {
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 32%;
}

.seat-right {
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 32%;
}

@media (max-width: 768px) {
  .seat-bottom {
    width: calc(100% - 24px);
  }
}


@media (max-width: 720px) {
  body.compact-layout main {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px 12px 8px;
  }

  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .header-status {
    justify-items: flex-start;
    text-align: left;
    width: 100%;
  }

  .board {
    min-height: 0;
    height: clamp(360px, calc(var(--app-height, 100vh) - var(--header-height, 96px) - 24px), 640px);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: visible;
    border-radius: 18px;
  }

  .center {
    position: static;
    transform: none;
    margin: 0 auto;
    flex-shrink: 0;
  }

  .discard {
    gap: 8px;
    padding: 12px;
  }

  .deck-row {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }

  .board .players {
    position: static;
    inset: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto 1fr;
    grid-template-areas:
      "bot-left bot-right"
      "me me";
    gap: 10px;
    flex: 1;
    overflow-y: auto;
    padding-bottom: 4px;
  }

  .player {
    position: static;
    width: 100%;
    padding: 10px;
    min-height: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
  }

  .player header {
    flex-wrap: wrap;
    gap: 6px;
  }

  .player .hand {
    margin-top: 6px;
  }

  .seat-top,
  .seat-left,
  .seat-bottom {
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    transform: none;
    width: 100%;
  }

  .seat-top { grid-area: bot-left; order: 1; }
  .seat-left { grid-area: bot-right; order: 2; }
  .seat-right { display: none; }
  .seat-bottom {
    grid-area: me;
    order: 3;
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
  }

  .seat-bottom .hand {
    flex: 1;
    margin-top: 8px;
    min-height: 0;
  }
}