:root {
  --bg: #0b1622;
  --panel: #10233a;
  --panel-border: #1e3a5c;
  --text: #e6f1ff;
  --muted: #7c93ad;
  --accent: #2dd4bf;
  --accent-dark: #0f766e;
  --water: #123253;
  --water-hover: #17436e;
  --ship: #52667f;
  --hit: #ef4444;
  --miss: #4b6178;
  --sunk: #7f1d1d;
  --danger: #f87171;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 0%, #12253d, var(--bg));
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 60px;
}

h1 {
  font-size: 1.6rem;
  margin: 8px 0 4px;
  letter-spacing: 0.02em;
}

.subtitle {
  color: var(--muted);
  margin-bottom: 24px;
  text-align: center;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
}

.panel + .panel {
  margin-top: 16px;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  background: var(--accent);
  color: #04231f;
  font-weight: 600;
  transition: transform 0.05s ease, opacity 0.15s ease;
}

button:hover {
  opacity: 0.9;
}

button:active {
  transform: scale(0.97);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--text);
}

input[type="text"] {
  font: inherit;
  background: var(--water);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
}

.row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.row > * {
  flex: 1;
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 10px;
  line-height: 1.4;
}

.link-box {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--water);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 8px 10px;
  margin-top: 10px;
  font-size: 0.9rem;
  word-break: break-all;
}

.error {
  color: var(--danger);
  margin-top: 10px;
  min-height: 1.2em;
  font-size: 0.9rem;
}

/* ---- игра ---- */

.game-wrap {
  width: 100%;
  max-width: 900px;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 12px 18px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}

.status-bar .players {
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
}

.status-bar .players span.you {
  color: var(--accent);
}

.turn-indicator {
  font-weight: 600;
}

.turn-indicator.my-turn {
  color: var(--accent);
}

.turn-indicator.their-turn {
  color: var(--muted);
}

.boards {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.board-block {
  text-align: center;
}

.board-block h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 10px;
}

.board {
  display: grid;
  grid-template-columns: repeat(10, minmax(26px, 34px));
  grid-template-rows: repeat(10, minmax(26px, 34px));
  gap: 3px;
  background: #06121f;
  padding: 6px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  touch-action: none; /* не мешаем скроллу на тачскрине во время перетаскивания корабля */
}

.cell {
  background: var(--water);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  user-select: none;
  transition: background 0.1s ease;
}

.board.targetable .cell.water:hover {
  background: var(--water-hover);
  cursor: crosshair;
}

.cell.ship {
  background: var(--ship);
  box-shadow: inset 0 0 0 1px rgba(230, 241, 255, 0.25);
}

.cell.preview-ok {
  background: var(--accent-dark);
}

.cell.preview-bad {
  background: var(--danger);
  opacity: 0.6;
}

.cell.hit {
  background: var(--hit);
}

.cell.miss::after {
  content: "•";
  color: var(--muted);
  font-size: 1.2rem;
}

.cell.sunk {
  background: var(--sunk);
}

.placement-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px 18px;
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.fleet-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.fleet-chip {
  background: var(--water);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.8rem;
  color: var(--muted);
}

.fleet-chip.current {
  border-color: var(--accent);
  color: var(--accent);
}

.fleet-chip.done {
  text-decoration: line-through;
  opacity: 0.5;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 10, 20, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.overlay .panel {
  text-align: center;
}

.hidden {
  display: none !important;
}