.duel-stage[data-game="battleship"] {
  display: block;
  padding: clamp(16px, 3vw, 28px);
  overflow: visible;
}
.naval-wrap {
  display: grid;
  width: min(100%, 620px);
  gap: 18px;
  margin: auto;
  color: #edf6ff;
}
.naval-turn-banner {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  border: 1px solid #ffffff16;
  border-radius: 14px;
  background: #ffffff07;
  box-shadow: inset 0 1px 0 #ffffff0d;
  text-align: center;
}
.naval-turn-banner b {
  color: #e9f3ff;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.naval-turn-banner span {
  color: #8298b3;
  font-size: 11px;
}
.naval-turn-banner.your-turn {
  border-color: #3fc4ff8c;
  background: linear-gradient(135deg, #075eb451, #0b8bbf30);
  box-shadow: inset 0 1px 0 #ffffff1a, 0 0 0 3px #1ab7ff18, 0 0 30px #087bff42;
  animation: naval-turn-glow 1.8s ease-in-out infinite;
}
.naval-turn-banner.your-turn b {
  color: #72dcff;
  font-size: 17px;
}
.naval-turn-banner.your-turn span {
  color: #d6edff;
}
.duel-status.your-turn {
  border-color: #36c7ff61;
  background: #087bff20;
  box-shadow: 0 0 0 3px #1688ff12;
}
.duel-status.your-turn > span {
  background: #42d6ff;
  box-shadow: 0 0 0 5px #42d6ff22, 0 0 15px #42d6ff;
}
.naval-zone {
  display: grid;
  gap: 10px;
  padding: clamp(12px, 2.5vw, 18px);
  border: 1px solid #ffffff15;
  border-radius: 18px;
  background: linear-gradient(145deg, #122136d9, #09131fd9);
  box-shadow: inset 0 1px 0 #ffffff0d, 0 14px 32px #0004;
}
.naval-zone > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.naval-zone > header > div {
  display: grid;
  gap: 2px;
}
.naval-zone > header small {
  color: #3fc4ff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.naval-zone > header strong {
  color: #f2f7ff;
  font-size: 15px;
}
.naval-zone > header > span {
  padding: 5px 8px;
  border: 1px solid #ffffff12;
  border-radius: 999px;
  color: #7f96b1;
  background: #ffffff06;
  font-size: 9px;
  font-weight: 800;
}
.naval-enemy-zone {
  border-color: #4ba6ff42;
}
.naval-own-zone {
  border-color: #35bdd22e;
}
.naval-board {
  display: grid;
  width: min(100%, 520px);
  aspect-ratio: 1;
  margin: auto;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  grid-template-rows: repeat(8, minmax(0, 1fr));
  gap: clamp(2px, 0.7vw, 4px);
}
.naval-cell {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 1px solid #5b9fc54a;
  border-radius: clamp(3px, 1vw, 6px);
  color: #dff6ff;
  background: linear-gradient(145deg, #153954, #10283e);
  box-shadow: inset 0 1px 0 #ffffff0d;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.1s ease, border-color 0.1s ease, background 0.1s ease;
}
.naval-enemy-zone .naval-cell:not(:disabled):hover,
.naval-enemy-zone .naval-cell:not(:disabled):focus-visible {
  z-index: 1;
  transform: scale(1.07);
  border-color: #65dcff;
  background: #176489;
  outline: 2px solid #2fc9ff42;
}
.naval-own-zone .naval-cell:not(:disabled):hover,
.naval-own-zone .naval-cell:not(:disabled):focus-visible {
  border-color: #70d8ff;
  background: #195372;
  outline: 0;
}
.naval-cell:disabled {
  cursor: default;
}
.naval-cell.ship {
  border-color: #82b7df70;
  background:
    linear-gradient(135deg, transparent 42%, #d8e9f35c 43% 55%, transparent 56%),
    linear-gradient(145deg, #71879a, #334759);
  box-shadow: inset 0 2px 0 #ffffff24, inset 0 -3px 6px #0005;
}
.naval-cell.ship.placed {
  border-color: #48cdff8c;
  box-shadow: inset 0 2px 0 #ffffff28, inset 0 -3px 6px #0005, 0 0 10px #16a8ff2d;
}
.naval-cell.hit {
  border-color: #ff8b92;
  background: radial-gradient(circle, #ffdae0 0 12%, #f05468 13% 48%, #7d1728 50%);
  box-shadow: 0 0 14px #f0546870;
}
.naval-cell.hit::after {
  color: #fff;
  content: "×";
  font-size: clamp(13px, 4vw, 24px);
  font-weight: 950;
}
.naval-cell.miss {
  background: radial-gradient(circle, #bfefff 0 10%, #286079 12% 30%, #12314a 32%);
}
.naval-cell.miss::after {
  color: #bfefff;
  content: "·";
  font-size: clamp(14px, 4vw, 24px);
  line-height: 0;
}
.naval-cell.pending {
  animation: duel-pulse 0.45s infinite;
}
.naval-placement-tools {
  display: grid;
  gap: 11px;
  padding: 15px;
  border: 1px solid #429fe84a;
  border-radius: 16px;
  background:
    radial-gradient(circle at 100% 0, #1688ff20, transparent 15rem),
    #0b1827;
}
.naval-placement-tools > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.naval-placement-tools > div:first-child strong {
  font-size: 13px;
}
.naval-placement-tools > div:first-child span {
  color: #5dcfff;
  font-size: 11px;
  font-weight: 850;
}
.naval-ship-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.naval-ship-list > span {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 9px;
  border: 1px solid #ffffff14;
  border-radius: 9px;
  color: #b8c8da;
  background: #ffffff06;
}
.naval-ship-list i {
  color: #61cfff;
  font-size: 8px;
  font-style: normal;
  letter-spacing: 2px;
}
.naval-ship-list b {
  color: #7890aa;
  font-size: 10px;
}
.naval-ship-list > span.placed {
  border-color: #2ec4a23d;
  opacity: 0.48;
}
.naval-ship-list > span.placed i {
  color: #4bd6b2;
}
.naval-placement-tools > p {
  min-height: 17px;
  margin: 0;
  color: #8ca1ba;
  font-size: 11px;
  line-height: 1.5;
}
.naval-tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.naval-tool-actions button {
  min-height: 38px;
  padding: 8px 11px;
  border: 1px solid #ffffff18;
  border-radius: 9px;
  color: #c9daec;
  background: #ffffff07;
  font-size: 10px;
  font-weight: 800;
  cursor: pointer;
  touch-action: manipulation;
}
.naval-tool-actions button:hover,
.naval-tool-actions button:focus-visible {
  border-color: #48bfff6b;
  background: #1688ff17;
  outline: 0;
}
.duel-name button.fleet-ready {
  box-shadow: 0 0 0 3px #1fc6ff1c, 0 0 24px #087bff40;
}
@keyframes naval-turn-glow {
  50% { box-shadow: inset 0 1px 0 #ffffff1a, 0 0 0 3px #1ab7ff22, 0 0 38px #087bff5c; }
}
@media (max-width: 540px) {
  .duel-stage[data-game="battleship"] {
    padding: 12px;
  }
  .naval-wrap {
    gap: 13px;
  }
  .naval-zone {
    padding: 10px;
    border-radius: 15px;
  }
  .naval-turn-banner {
    padding: 12px;
  }
  .naval-tool-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .naval-tool-actions button:first-child {
    grid-column: 1 / -1;
  }
}
@media (prefers-reduced-motion: reduce) {
  .naval-turn-banner.your-turn {
    animation: none;
  }
}