/* Amiral Battı: dark naval theme, mobile first. */

:root {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #26344a;
  --surface-3: #334155;
  --line: rgba(148, 163, 184, 0.16);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #7dd3fc;
  --accent-ink: #082f49;
  --fire: #fb923c;
  --danger: #f87171;
  --enemy: #fda4af;
  --gold: #fcd34d;
  --radius: 12px;
  --shadow: 0 14px 32px -18px rgba(2, 6, 23, 0.9), 0 2px 8px -2px rgba(2, 6, 23, 0.45);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --fast: 150ms;
  --slow: 240ms;
  --gutter: 12px;
  --axis: 16px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  background:
    radial-gradient(900px 480px at 85% -12%, rgba(125, 211, 252, 0.1), transparent 70%),
    radial-gradient(700px 520px at -12% 112%, rgba(56, 189, 248, 0.07), transparent 70%),
    var(--bg);
}

h1,
h2,
p {
  margin: 0;
}

h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* ---------- header and footer ---------- */

.topbar {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  flex: none;
  width: 34px;
  height: 34px;
  filter: drop-shadow(0 4px 10px rgba(125, 211, 252, 0.22));
}

.brand h1 {
  font-size: 20px;
  font-weight: 750;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  flex: none;
  display: flex;
  gap: 8px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 4px var(--gutter) 12px;
  font-size: 13px;
  color: var(--muted);
}

.footer a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.footer a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  min-width: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.1;
  white-space: nowrap;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color var(--fast) ease,
    border-color var(--fast) ease,
    color var(--fast) ease,
    box-shadow var(--fast) ease,
    transform var(--fast) ease;
}

.btn:hover {
  background: var(--surface-3);
  border-color: rgba(125, 211, 252, 0.35);
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn--primary {
  border-color: transparent;
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 8px 20px -10px rgba(125, 211, 252, 0.85);
}

.btn--primary:hover {
  border-color: transparent;
  background: #a5e4fe;
}

.btn--primary.is-waiting {
  border-color: var(--line);
  background: var(--surface-2);
  color: var(--muted);
  box-shadow: none;
}

.btn--lang {
  min-width: 44px;
  padding: 0 10px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.btn.is-confirming {
  border-color: rgba(248, 113, 113, 0.6);
  background: rgba(248, 113, 113, 0.16);
  color: #fecaca;
}

/* ---------- page grid ---------- */

.game {
  flex: 1;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 var(--gutter) var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-content: start;
  align-items: start;
  gap: 12px;
}

.game[data-phase="setup"] {
  grid-template-areas:
    "status status"
    "harbor harbor"
    "player player"
    "help help"
    "settings settings";
}

.game[data-phase="battle"] {
  grid-template-areas:
    "status status"
    "enemy enemy"
    "player log";
}

.game[data-phase="over"] {
  grid-template-areas:
    "status status"
    "result result"
    "enemy enemy"
    "player log";
}

.game[data-phase="setup"] :is(.sea--enemy, .log-panel),
.game:not([data-phase="setup"]) :is(.harbor-panel, .help, .settings),
.game[data-phase="setup"] .sea--player .fleet {
  display: none;
}

.panel {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 120px), var(--surface);
  box-shadow: var(--shadow);
  transition: box-shadow var(--slow) ease, border-color var(--slow) ease;
}

/* ---------- status bar ---------- */

.status {
  grid-area: status;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 8px 12px;
}

.pill {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  color: #cbd5e1;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.pill--player {
  background: rgba(125, 211, 252, 0.14);
  color: var(--accent);
}

.pill--enemy {
  background: rgba(251, 113, 133, 0.14);
  color: var(--enemy);
}

.pill--enemy::before {
  animation: blink 0.9s ease-in-out infinite alternate;
}

.pill--over {
  background: rgba(251, 191, 36, 0.14);
  color: var(--gold);
}

.message {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  line-height: 1.35;
}

.shots {
  flex: none;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(125, 211, 252, 0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- result ---------- */

.result {
  grid-area: result;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  border-color: rgba(251, 191, 36, 0.35);
  background: linear-gradient(120deg, rgba(251, 191, 36, 0.12), transparent 60%), var(--surface);
  animation: pop var(--slow) var(--ease) both;
}

.result.is-win {
  border-color: rgba(125, 211, 252, 0.5);
  background: linear-gradient(120deg, rgba(125, 211, 252, 0.16), transparent 60%), var(--surface);
}

.result-body {
  flex: 1 1 240px;
  min-width: 0;
}

.result-title {
  margin-bottom: 4px;
  font-size: 22px;
}

.result-text {
  font-size: 14px;
}

.result-record {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- seas ---------- */

.sea--enemy {
  grid-area: enemy;
}

.sea--player {
  grid-area: player;
}

.game[data-phase="battle"][data-turn="player"] .sea--enemy {
  border-color: rgba(125, 211, 252, 0.4);
}

.game[data-phase="battle"][data-turn="enemy"] .sea--player {
  border-color: rgba(251, 113, 133, 0.45);
}

.sea-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.count {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.board-frame {
  display: grid;
  grid-template-columns: var(--axis) minmax(0, 1fr);
  grid-template-rows: var(--axis) auto;
  gap: 2px;
  width: 100%;
  margin-inline: auto;
}

.board-axis {
  display: grid;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  user-select: none;
  -webkit-user-select: none;
}

.board-axis span {
  display: grid;
  place-items: center;
}

.board-axis--cols {
  grid-column: 2;
  grid-row: 1;
  grid-template-columns: repeat(10, minmax(0, 1fr));
}

.board-axis--rows {
  grid-column: 1;
  grid-row: 2;
  grid-template-rows: repeat(10, minmax(0, 1fr));
}

.board {
  grid-column: 2;
  grid-row: 2;
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 10px;
  outline: none;
  background-color: #0b3150;
  background-image:
    linear-gradient(rgba(125, 211, 252, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 211, 252, 0.13) 1px, transparent 1px),
    radial-gradient(130% 100% at 20% 0%, #145481 0%, #0c3a5c 42%, #082a45 100%);
  background-size: 10% 10%, 10% 10%, 100% 100%;
  box-shadow:
    inset 0 0 0 1px rgba(125, 211, 252, 0.22),
    inset 0 -40px 60px -40px rgba(2, 6, 23, 0.7);
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: filter var(--slow) ease;
}

.board:focus-visible {
  box-shadow:
    inset 0 0 0 1px rgba(125, 211, 252, 0.22),
    0 0 0 3px var(--accent);
}

.game[data-phase="setup"] .sea--player .board {
  touch-action: none;
}

.sea--enemy .board {
  touch-action: manipulation;
}

.game[data-phase="battle"][data-turn="enemy"] .sea--enemy .board {
  filter: saturate(0.7) brightness(0.85);
}

.board-ships,
.board-cells {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  grid-template-rows: repeat(10, minmax(0, 1fr));
}

.board-ships {
  z-index: 1;
  pointer-events: none;
}

.board-cells {
  z-index: 2;
}

.board-row {
  display: contents;
}

.cell {
  position: relative;
  min-width: 0;
  min-height: 0;
  transition: background-color var(--fast) ease, box-shadow var(--fast) ease;
}

/* ---------- marks ---------- */

.cell.is-axis {
  background: rgba(125, 211, 252, 0.07);
}

.cell.is-clear {
  background: rgba(2, 6, 23, 0.22);
}

.cell.is-clear::before {
  content: "";
  position: absolute;
  inset: 44%;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.4);
}

.cell.is-miss::before {
  content: "";
  position: absolute;
  inset: 36%;
  border-radius: 50%;
  background: rgba(226, 232, 240, 0.88);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.2), 0 0 0 6px rgba(125, 211, 252, 0.08);
}

.cell.is-hit::before {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 46%, #fff7ed 0 13%, #fdba74 25%, #f97316 44%, #dc2626 62%, rgba(220, 38, 38, 0) 71%);
  filter: drop-shadow(0 0 5px rgba(249, 115, 22, 0.7));
  animation: flicker 1.4s ease-in-out infinite alternate;
}

.cell.is-sunk::before {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254, 202, 202, 0.95) 0 10%, #ef4444 30%, rgba(127, 29, 29, 0.9) 58%, rgba(127, 29, 29, 0) 70%);
}

.cell.is-sunk::after {
  content: "";
  position: absolute;
  inset: 24%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M2 2l6 6M8 2l-6 6' stroke='%23fee2e2' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
  opacity: 0.85;
}

.cell.is-last {
  box-shadow: inset 0 0 0 2px rgba(252, 211, 77, 0.85);
  border-radius: 4px;
}

.cell.is-aim {
  z-index: 1;
  border-radius: 4px;
  background: rgba(125, 211, 252, 0.18);
  box-shadow: inset 0 0 0 2px var(--accent), 0 0 14px rgba(125, 211, 252, 0.55);
}

.cell.is-aim:not(.is-marked)::after {
  content: "";
  position: absolute;
  inset: 16%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%237dd3fc' stroke-width='1.6' stroke-linecap='round'%3E%3Ccircle cx='10' cy='10' r='5.5'/%3E%3Cpath d='M10 1v4M10 15v4M1 10h4M15 10h4'/%3E%3C/svg%3E") center / contain no-repeat;
}

@media (hover: hover) {
  .game[data-phase="battle"][data-turn="player"] .sea--enemy .board {
    cursor: crosshair;
  }

  .game[data-phase="battle"][data-turn="player"] .sea--enemy .cell:not(.is-marked):hover {
    border-radius: 4px;
    background: rgba(125, 211, 252, 0.2);
    box-shadow: inset 0 0 0 2px rgba(125, 211, 252, 0.7);
  }

  .game[data-phase="setup"] .sea--player .board {
    cursor: pointer;
  }
}

/* ---------- effects ---------- */

.fx {
  position: absolute;
  z-index: 3;
  pointer-events: none;
}

.fx--splash {
  inset: 8%;
  border: 2px solid rgba(186, 230, 253, 0.95);
  border-radius: 50%;
  animation: splash 650ms var(--ease) both;
}

.fx--splash::after {
  content: "";
  position: absolute;
  inset: 22%;
  border: 2px solid rgba(186, 230, 253, 0.75);
  border-radius: 50%;
  animation: splash 650ms 120ms var(--ease) both;
}

.fx--blast {
  inset: -40%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 247, 237, 0.95) 0 12%, rgba(253, 186, 116, 0.9) 26%, rgba(249, 115, 22, 0.75) 42%, rgba(220, 38, 38, 0.35) 58%, rgba(220, 38, 38, 0) 70%);
  animation: blast 620ms ease-out both;
}

.fx--sink {
  inset: 0;
  border-radius: 4px;
  background: rgba(248, 113, 113, 0.55);
  animation: sink 700ms ease-out both;
}

/* ---------- ships ---------- */

.ship {
  position: relative;
  min-width: 0;
  min-height: 0;
}

.ship .hull {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  filter: drop-shadow(0 3px 3px rgba(2, 6, 23, 0.55));
}

.hull-body {
  fill: #8494a9;
  stroke: #1e293b;
  stroke-width: 3;
}

.hull-deck {
  fill: #a8b7ca;
}

.hull-hatch {
  fill: #5d6d82;
}

.hull-bridge {
  fill: #e2e8f0;
  stroke: #64748b;
  stroke-width: 2;
}

.hull-mast {
  fill: var(--accent);
}

.hull-gun {
  fill: #475569;
}

.hull-turret {
  fill: #64748b;
  stroke: #334155;
  stroke-width: 2;
}

.ship--wreck .hull {
  filter: none;
  opacity: 0.95;
}

.ship--wreck .hull-body {
  fill: #3d2a2f;
  stroke: #0f172a;
}

.ship--wreck .hull-deck {
  fill: #563a3f;
}

.ship--wreck :is(.hull-hatch, .hull-bridge, .hull-gun, .hull-turret) {
  fill: #2a1c20;
  stroke: #0f172a;
}

.ship--wreck .hull-mast {
  fill: #7f1d1d;
}

.ship--revealed .hull,
.ship--ghost .hull,
.ship--blocked .hull {
  filter: none;
}

.ship--revealed .hull-body,
.ship--ghost .hull-body,
.ship--blocked .hull-body {
  stroke-width: 4;
  stroke-dasharray: 12 8;
}

.ship--revealed :is(.hull-deck, .hull-hatch, .hull-bridge, .hull-mast, .hull-gun, .hull-turret),
.ship--ghost :is(.hull-deck, .hull-hatch, .hull-bridge, .hull-mast, .hull-gun, .hull-turret),
.ship--blocked :is(.hull-deck, .hull-hatch, .hull-bridge, .hull-mast, .hull-gun, .hull-turret) {
  stroke: none;
}

.ship--revealed .hull-body {
  fill: rgba(251, 191, 36, 0.16);
  stroke: #fbbf24;
}

.ship--revealed :is(.hull-deck, .hull-hatch, .hull-bridge, .hull-mast, .hull-gun, .hull-turret) {
  fill: rgba(251, 191, 36, 0.24);
}

.ship--ghost,
.ship--blocked {
  z-index: 2;
}

.ship--ghost .hull-body {
  fill: rgba(125, 211, 252, 0.3);
  stroke: var(--accent);
}

.ship--ghost :is(.hull-deck, .hull-hatch, .hull-bridge, .hull-mast, .hull-gun, .hull-turret) {
  fill: rgba(125, 211, 252, 0.22);
}

.ship--blocked .hull-body {
  fill: rgba(248, 113, 113, 0.28);
  stroke: var(--danger);
}

.ship--blocked :is(.hull-deck, .hull-hatch, .hull-bridge, .hull-mast, .hull-gun, .hull-turret) {
  fill: rgba(248, 113, 113, 0.2);
}

.ship.is-selected .hull {
  filter: drop-shadow(0 0 5px rgba(125, 211, 252, 0.9)) drop-shadow(0 3px 3px rgba(2, 6, 23, 0.55));
}

.ship.is-selected .hull-body {
  stroke: var(--accent);
  stroke-width: 6;
}

.ship.is-lifted {
  opacity: 0.3;
}

.ship.is-new {
  animation: ship-in var(--slow) var(--ease) both;
}

/* ---------- fleet lists ---------- */

.fleet {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.fleet-item {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  font-size: 12px;
}

.fleet-pips {
  flex: none;
  display: flex;
  gap: 2px;
}

.pip {
  width: 7px;
  height: 10px;
  border-radius: 2px;
  background: #64748b;
}

.pip.is-hit {
  background: var(--fire);
  box-shadow: 0 0 6px rgba(249, 115, 22, 0.6);
}

.fleet-item.is-sunk .pip {
  background: #b91c1c;
  box-shadow: none;
}

.fleet-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fleet-item.is-sunk .fleet-name {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: rgba(248, 113, 113, 0.8);
}

.fleet-state {
  margin-left: auto;
  color: var(--muted);
  white-space: nowrap;
}

.fleet-item.is-hit .fleet-state {
  color: var(--fire);
}

.fleet-item.is-sunk .fleet-state {
  color: var(--danger);
}

/* On phones the enemy fleet is a row of pips; names stay for screen readers. */
.sea--enemy :is(.fleet-name, .fleet-state),
.sea--player .fleet-state {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.sea--player .fleet {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 4px;
}

/* ---------- harbor and setup ---------- */

.harbor-panel {
  grid-area: harbor;
  display: grid;
  gap: 8px;
}

.harbor {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.chip {
  position: relative;
  min-width: 0;
  min-height: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color var(--fast) ease,
    border-color var(--fast) ease,
    box-shadow var(--fast) ease,
    opacity var(--fast) ease;
}

.chip:hover {
  border-color: rgba(125, 211, 252, 0.4);
}

.chip:active {
  cursor: grabbing;
}

.chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.chip.is-selected {
  border-color: var(--accent);
  background: #173650;
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.18);
}

.chip.is-placed {
  opacity: 0.45;
}

.chip.is-placed.is-selected {
  opacity: 0.8;
}

.chip.is-placed::after {
  content: "";
  position: absolute;
  right: 5px;
  bottom: 5px;
  width: 12px;
  height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%237dd3fc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 6.5l2.2 2.2 4.8-5'/%3E%3C/svg%3E") center / contain no-repeat;
}

.chip-hull {
  display: block;
  width: calc(var(--size) * 20%);
  aspect-ratio: var(--size) / 1;
}

.chip-hull svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.chip-name {
  display: none;
}

.chip-size {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.action-row .btn {
  padding: 0 6px;
}

.help {
  grid-area: help;
  display: grid;
  gap: 6px;
  padding: 0 4px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
}

/* ---------- settings ---------- */

.settings {
  grid-area: settings;
  display: grid;
  gap: 10px;
}

.field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field legend {
  margin-bottom: 8px;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin-bottom: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.35);
}

.segmented label {
  position: relative;
  display: block;
}

.segmented input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.segmented span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  pointer-events: none;
  transition: background-color var(--fast) ease, color var(--fast) ease;
}

.segmented label:hover span {
  color: var(--text);
}

.segmented input:checked + span {
  background: var(--surface-3);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 4px 10px -4px rgba(2, 6, 23, 0.7);
}

.segmented input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.switch {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  min-height: 44px;
  cursor: pointer;
}

.switch input {
  position: absolute;
  top: 50%;
  left: 0;
  width: 44px;
  height: 26px;
  margin: 0;
  opacity: 0;
  transform: translateY(-50%);
  cursor: pointer;
}

.switch-track {
  position: relative;
  width: 44px;
  height: 26px;
  border-radius: 999px;
  background: var(--surface-3);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: background-color var(--fast) ease;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #cbd5e1;
  box-shadow: 0 2px 4px rgba(2, 6, 23, 0.5);
  transition: transform var(--slow) var(--ease), background-color var(--fast) ease;
}

.switch input:checked + .switch-track {
  background: var(--accent);
}

.switch input:checked + .switch-track::after {
  transform: translateX(18px);
  background: var(--accent-ink);
}

.switch input:focus-visible + .switch-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.switch-text {
  display: grid;
  gap: 1px;
  font-size: 14px;
  font-weight: 650;
}

.switch-text small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

/* ---------- log ---------- */

.log-panel {
  grid-area: log;
  display: grid;
  align-content: start;
  gap: 8px;
}

.log {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.log-entry {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 8px;
  background: rgba(2, 6, 23, 0.3);
  font-size: 12px;
}

.log-entry:nth-child(n + 9) {
  display: none;
}

.log-who {
  padding: 2px 5px;
  border-radius: 999px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.log--player .log-who {
  background: rgba(125, 211, 252, 0.12);
  color: var(--accent);
}

.log--enemy .log-who {
  background: rgba(251, 113, 133, 0.12);
  color: var(--enemy);
}

.log-cell {
  min-width: 2.1em;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.log-result {
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.log-entry.is-hit .log-result {
  color: var(--fire);
}

.log-entry.is-sunk .log-result {
  color: var(--danger);
  font-weight: 700;
}

.log-entry.is-fresh {
  animation: log-in var(--slow) var(--ease) both;
}

.log-empty {
  color: var(--muted);
  font-size: 13px;
}

.rules {
  color: var(--muted);
  font-size: 12px;
}

@media (hover: none) {
  .hint--keys {
    display: none;
  }
}

/* ---------- phones: your sea is a small chart next to the log ---------- */

@media (max-width: 599px), (max-width: 759px) and (orientation: portrait) {
  .game:not([data-phase="setup"]) .sea--player .board-frame {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
  }

  .game:not([data-phase="setup"]) .sea--player .board-axis {
    display: none;
  }

  .game:not([data-phase="setup"]) .sea--player .board {
    grid-column: 1;
    grid-row: 1;
    border-radius: 8px;
  }

  .game:not([data-phase="setup"]) .sea--player .sea-head {
    flex-wrap: wrap;
    gap: 0 8px;
  }

  .game:not([data-phase="setup"]) .sea--player .hull-turret,
  .game:not([data-phase="setup"]) .sea--player .hull-gun {
    display: none;
  }
}

/* ---------- narrow phones: slimmer edges leave the sea cells more room ---------- */

@media (max-width: 479px) {
  :root {
    --gutter: 8px;
    --axis: 12px;
  }

  .panel {
    padding-inline: 8px;
  }
}

/* ---------- tablets, desktops and landscape phones ---------- */

@media (min-width: 760px), (min-width: 600px) and (orientation: landscape) {
  :root {
    --gutter: 20px;
    --axis: 18px;
  }

  .game {
    gap: 16px;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

  .game[data-phase="setup"] {
    grid-template-rows: auto auto auto 1fr;
    grid-template-areas:
      "status status"
      "player harbor"
      "player settings"
      "player help";
  }

  .game[data-phase="battle"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "status status"
      "player enemy"
      "log log";
  }

  .game[data-phase="over"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "status status"
      "result result"
      "player enemy"
      "log log";
  }

  .panel {
    padding: 14px;
  }

  .board-axis {
    font-size: 11px;
  }

  .game[data-phase="setup"] .board-frame {
    max-width: max(300px, calc(100vh - 210px));
  }

  .game:not([data-phase="setup"]) .board-frame {
    max-width: max(260px, calc(100vh - 290px));
  }

  .harbor {
    grid-template-columns: minmax(0, 1fr);
  }

  .chip {
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    min-height: 44px;
    padding: 6px 12px;
  }

  .chip-hull {
    flex: none;
    width: calc(var(--size) * 16px);
    margin-right: calc((5 - var(--size)) * 16px);
  }

  .chip-name {
    display: block;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .chip.is-placed::after {
    position: static;
    flex: none;
    order: 3;
  }

  .help {
    padding: 0 2px;
  }

  .fleet,
  .sea--player .fleet {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 4px 14px;
  }

  .fleet-item {
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 8px;
    min-height: 22px;
    font-size: 13px;
  }

  .sea--enemy :is(.fleet-name, .fleet-state),
  .sea--player .fleet-state {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip-path: none;
  }

  .sea--enemy .fleet-name,
  .sea--player .fleet-name {
    overflow: hidden;
  }

  .log {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  }

  .log-entry {
    gap: 8px;
    padding: 5px 8px;
    font-size: 13px;
  }

  .log-entry:nth-child(n + 9) {
    display: grid;
  }

  .log-who {
    font-size: 10px;
  }
}

@supports (height: 100svh) {
  @media (min-width: 760px), (min-width: 600px) and (orientation: landscape) {
    .game[data-phase="setup"] .board-frame {
      max-width: max(300px, calc(100svh - 210px));
    }

    .game:not([data-phase="setup"]) .board-frame {
      max-width: max(260px, calc(100svh - 290px));
    }
  }
}

/* ---------- wide screens: both seas and the log side by side ---------- */

@media (min-width: 1100px) {
  .game[data-phase="battle"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(250px, 300px);
    grid-template-areas:
      "status status status"
      "player enemy log";
  }

  .game[data-phase="over"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(250px, 300px);
    grid-template-areas:
      "status status status"
      "result result result"
      "player enemy log";
  }

  .log {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- animations ---------- */

@keyframes splash {
  from {
    opacity: 1;
    transform: scale(0.2);
  }

  to {
    opacity: 0;
    transform: scale(1.5);
  }
}

@keyframes blast {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }

  25% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: scale(1.25);
  }
}

@keyframes sink {
  0% {
    opacity: 0;
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

@keyframes flicker {
  from {
    transform: scale(0.94);
    opacity: 0.9;
  }

  to {
    transform: scale(1.04);
    opacity: 1;
  }
}

@keyframes ship-in {
  from {
    opacity: 0;
    transform: scale(0.88);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes log-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes blink {
  from {
    opacity: 0.35;
  }

  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}