:root {
  --bg: #1b1d22;
  --panel: #262a31;
  --panel-2: #30353e;
  --text: #e8e8e8;
  --muted: #9aa0a8;
  --p1: #f2c230;
  --p2: #3fbf4f;
  --danger: #e5534b;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: system-ui, sans-serif; }
[hidden] { display: none !important; }
button, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 2px solid transparent; border-radius: 8px; background: var(--panel-2); padding: 8px 16px; }
button:hover:not(:disabled) { border-color: var(--muted); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: var(--p1); color: #1b1d22; font-weight: 700; }
select { background: var(--panel-2); border: 1px solid #444; border-radius: 6px; padding: 6px 8px; width: 100%; }

/* safe: если содержимое выше окна, оно не обрезается сверху, а прокручивается */
#app { min-height: 100vh; display: flex; align-items: safe center; justify-content: center; padding: 16px; }

/* Меню */
#menu { width: min(960px, 100%); display: flex; flex-direction: column; align-items: center; gap: 12px; }
#menu h1 { margin: 0; font-size: 36px; line-height: 1.1; letter-spacing: 2px; color: var(--p1); }
.modes { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.mode.selected { border-color: var(--p1); }
.mode small { color: var(--muted); font-size: 12px; }
.players { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; width: 100%; }
.player-col { background: var(--panel); border-radius: 12px; padding: 12px 16px; display: flex; flex-direction: column; gap: 8px; border-top: 4px solid var(--p1); }
.player-col.p2 { border-top-color: var(--p2); }
.player-col h3 { margin: 0; }
.player-col.p1 h3 { color: var(--p1); }
.player-col.p2 h3 { color: var(--p2); }
.player-col label, .arena { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 14px; }
.tank-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tank-card { text-align: left; display: flex; flex-direction: column; gap: 1px; padding: 8px 10px; }
.tank-card span { font-size: 13px; color: var(--muted); letter-spacing: 1px; }
.tank-card em { font-size: 12px; font-style: normal; color: var(--text); opacity: 0.8; }
.p1 .tank-card.selected { border-color: var(--p1); }
.p2 .tank-card.selected { border-color: var(--p2); }
.arena { width: min(320px, 100%); }
.warning { color: var(--danger); margin: 0; }
.start { font-size: 20px; padding: 10px 36px; margin-left: auto; }
#menu.solo { width: min(560px, 100%); }
#menu.solo .players { grid-template-columns: 1fr; }
#menu.solo .start { margin-left: 0; }
.menu-top { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.menu-bottom { display: flex; gap: 16px 20px; align-items: flex-end; flex-wrap: wrap; justify-content: center; width: 100%; }
.menu-bottom .arena { width: 220px; }
.menu-bottom .sound { align-self: center; }

/* Игра */
#game { display: flex; gap: 16px; align-items: stretch; flex-wrap: wrap; justify-content: center; }
.board-wrap { position: relative; }
#board { display: block; box-sizing: content-box; background: #111; border: 2px solid #000; }
#overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0, 0, 0, 0.55); }
.overlay-card { background: var(--panel); border-radius: 12px; padding: 24px 32px; text-align: center; min-width: 260px; }
.overlay-card h2 { margin: 0 0 8px; }
.overlay-card p { margin: 0 0 16px; color: var(--muted); }
.overlay-buttons { display: flex; gap: 8px; justify-content: center; }

#hud { width: 180px; background: var(--panel); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; justify-content: space-between; gap: 16px; }
.hud-player { display: flex; flex-direction: column; gap: 4px; }
.hud-name { font-weight: 700; }
.hud-player.p1 .hud-name { color: var(--p1); }
.hud-player.p2 .hud-name { color: var(--p2); }
.hud-tank { font-size: 13px; color: var(--muted); }
.hud-lives { color: var(--danger); letter-spacing: 2px; }
.hud-stars { color: var(--p1); letter-spacing: 2px; }
.hud-score { text-align: center; }
.hud-round, .hud-hint { color: var(--muted); font-size: 13px; }
.hud-points { font-size: 36px; font-weight: 700; }
.hud-points .p1 { color: var(--p1); }
.hud-points .p2 { color: var(--p2); }

#error { background: var(--panel); padding: 24px; border-radius: 12px; max-width: 640px; }
#error h2 { margin-top: 0; color: var(--danger); }
#error pre { white-space: pre-wrap; }

@media (max-width: 720px) {
  .players { grid-template-columns: 1fr; }
  #hud { width: 100%; flex-direction: row; flex-wrap: wrap; }
}

kbd { font: inherit; font-size: 12px; padding: 1px 6px; border-radius: 4px; background: rgba(0, 0, 0, 0.25); margin-left: 4px; }

/* Кампания */
.player-count { display: flex; gap: 8px; }
.player-count button.selected { border-color: var(--p1); }
#levels { width: min(560px, 100%); display: flex; flex-direction: column; align-items: center; gap: 16px; }
#levels h1 { margin: 0; color: var(--p1); }
.muted { color: var(--muted); margin: 0; }
.level-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; width: 100%; }
.level { aspect-ratio: 1; font-size: 28px; font-weight: 700; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.level small { font-size: 14px; }
.level:not(:disabled) { background: var(--panel-2); border-color: var(--p1); }
.hud-level-name { font-size: 14px; margin: 2px 0 8px; }
.hud-enemies { display: grid; grid-template-columns: repeat(5, 14px); gap: 4px; justify-content: center; min-height: 14px; }
.hud-enemies i { width: 14px; height: 14px; background: #b0b0b0; border-radius: 2px; display: block; }
table.results { border-collapse: collapse; margin: 0 auto 16px; min-width: 240px; }
table.results th, table.results td { padding: 4px 12px; text-align: center; }
table.results td:first-child { text-align: left; color: var(--muted); }
table.results th.p1 { color: var(--p1); }
table.results th.p2 { color: var(--p2); }
table.results tr.total td { border-top: 1px solid #444; }
.hud-boss { text-align: center; }
.hud-boss-name { font-weight: 700; color: var(--danger); }
.hud-boss-bar { position: relative; height: 12px; background: #3a1010; border-radius: 3px; overflow: hidden; margin: 4px 0; }
.hud-boss-bar span { position: absolute; inset: 0 auto 0 0; background: var(--danger); }
.hud-boss-bar i { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; }
.hud-boss-hp { font-size: 12px; color: var(--muted); }

/* Этап 4: превью спрайтов, звук, тост */
.tank-card { position: relative; }
.tank-sprite { position: absolute; top: 6px; right: 6px; width: 40px; height: 40px; }
.sound { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; justify-content: center; color: var(--muted); }
.sound label { display: flex; gap: 6px; align-items: center; color: var(--text); }
#toast { position: fixed; top: 24px; left: 50%; transform: translateX(-50%); background: rgba(0, 0, 0, 0.75); color: #fff; padding: 8px 16px; border-radius: 8px; pointer-events: none; z-index: 10; }

/* Этап 5: захват базы */
.hud-base-bar { height: 8px; background: #2a2d33; border-radius: 3px; overflow: hidden; }
.hud-base-bar span { display: block; height: 100%; }
.hud-player.p1 .hud-base-bar span { background: var(--p1); }
.hud-player.p2 .hud-base-bar span { background: var(--p2); }
.hud-round .p1 { color: var(--p1); }
.hud-round .p2 { color: var(--p2); }
.option-row { display: flex; gap: 8px; align-items: center; }
.option-row span { color: var(--muted); margin-right: 4px; }
.option-row button.selected { border-color: var(--p1); }
.ai-col .hint { color: var(--muted); margin: 0; font-size: 13px; }

/* Этап 6: мобильная версия */
html, body { overscroll-behavior: none; }

/* Бой на сенсоре: поле по центру, слева пауза и HUD, справа огонь. */
body.touch-play { touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; -webkit-tap-highlight-color: transparent; overflow: hidden; }
body.touch-play #app { padding: 0; min-height: 100dvh; }
body.touch-play #game { position: fixed; inset: 0; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 0;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
body.touch-play .board-wrap { grid-column: 2; grid-row: 1; }
body.touch-play #hud { grid-column: 1; grid-row: 1; align-self: stretch; width: auto; max-width: 100%; margin: 56px 8px 8px; padding: 8px 10px; gap: 8px;
  overflow: hidden; font-size: 13px; justify-content: flex-start; background: rgba(38, 42, 49, 0.6); }
/* Компактный HUD: второстепенные строки скрыты, низ левой колонки (джойстик 96 px + отступы) свободен. */
body.touch-play #hud .hud-sub, body.touch-play kbd { display: none; }
body.touch-play #hud { margin-bottom: calc(env(safe-area-inset-bottom) + 136px); margin-top: 52px; padding: 6px 10px; gap: 5px; line-height: 1.2; }
body.touch-play #hud .hud-points { font-size: 22px; }
body.touch-play #hud .hud-player { gap: 1px; }
body.touch-play #hud .hud-enemies { grid-template-columns: repeat(10, 9px); gap: 3px; }
body.touch-play #hud .hud-enemies i { width: 9px; height: 9px; }
body.touch-play #hud .hud-level-name { margin: 0 0 4px; font-size: 12px; }
body.touch-play #hud .hud-tank, body.touch-play #hud .hud-round { font-size: 11px; }

#touch-layer { position: fixed; inset: 0; pointer-events: none; z-index: 5; }
.stick-ring { position: absolute; left: 0; top: 0; width: 120px; height: 120px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35); background: rgba(255, 255, 255, 0.06); display: none; }
.stick-knob { position: absolute; left: 36px; top: 36px; width: 48px; height: 48px; border-radius: 50%; background: rgba(242, 194, 48, 0.75); }
#touch-layer.stick-on .stick-ring { display: block; }
#touch-layer.stick-on .stick-idle { display: none; }
/* Подсказки джойстика и огня зеркальны: одинаковый размер, отступ от края и высота. */
.stick-idle { position: absolute; left: calc(env(safe-area-inset-left) + 24px); bottom: calc(env(safe-area-inset-bottom) + 24px);
  width: 96px; height: 96px; border-radius: 50%; border: 2px dashed rgba(255, 255, 255, 0.18); }
.fire-hint { position: absolute; right: calc(env(safe-area-inset-right) + 24px); bottom: calc(env(safe-area-inset-bottom) + 24px);
  width: 96px; height: 96px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(229, 83, 75, 0.35); border: 3px solid rgba(229, 83, 75, 0.7); color: rgba(255, 255, 255, 0.85); font-weight: 700; font-size: 15px; }
.fire-hint.on { background: rgba(229, 83, 75, 0.75); transform: scale(0.94); }
.pause-btn { position: absolute; left: calc(env(safe-area-inset-left) + 8px); top: calc(env(safe-area-inset-top) + 8px); pointer-events: auto;
  width: 44px; height: 40px; padding: 0; font-weight: 700; background: rgba(48, 53, 62, 0.85); touch-action: manipulation; }

#rotate { display: none; }
@media (orientation: portrait) and (pointer: coarse) {
  #rotate { display: flex; position: fixed; inset: 0; z-index: 20; flex-direction: column; align-items: center; justify-content: center;
    gap: 12px; background: var(--bg); color: var(--text); font-size: 20px; text-align: center; padding: 24px; }
  .rotate-icon { font-size: 64px; color: var(--p1); }
}

/* Низкий экран (телефон в альбомной ориентации): всё компактнее, меню прокручивается. */
@media (max-height: 500px) {
  #app { padding: 8px; }
  #menu { gap: 8px; }
  #menu h1 { font-size: 24px; }
  button { padding: 6px 12px; }
  .players { gap: 8px; }
  .player-col { padding: 8px 10px; gap: 6px; }
  .tank-cards { gap: 6px; }
  .tank-card { padding: 6px 8px; }
  .tank-card span { font-size: 11px; }
  .tank-card em { font-size: 11px; }
  .tank-sprite { width: 28px; height: 28px; top: 4px; right: 4px; }
  .player-col label, .arena { font-size: 12px; }
  select { padding: 4px 6px; }
  .start { font-size: 16px; padding: 8px 24px; }
  .menu-bottom { gap: 8px 12px; }
  #levels { gap: 8px; }
  .level-grid { grid-template-columns: repeat(10, 1fr); gap: 6px; }
  .level { font-size: 18px; }
  .level small { font-size: 10px; }
  .overlay-card { padding: 12px 16px; min-width: 200px; font-size: 13px; }
  .overlay-card h2 { font-size: 18px; margin-bottom: 4px; }
  .overlay-card p { margin-bottom: 8px; }
  table.results { margin-bottom: 8px; min-width: 200px; }
  table.results th, table.results td { padding: 2px 8px; }
}
#fps { position: fixed; right: 4px; top: 4px; z-index: 30; font: 12px monospace; color: #7fff7f; background: rgba(0, 0, 0, 0.6); padding: 2px 6px; border-radius: 4px; pointer-events: none; }

/* Этап 7: сетевая игра */
.online-btn { border-color: var(--p2); }
#online { width: min(960px, 100%); display: flex; flex-direction: column; align-items: center; gap: 12px; }
#online h1 { margin: 0; color: var(--p1); }
.room-code { letter-spacing: 4px; color: var(--text); font-family: ui-monospace, monospace; }
.net-status { margin: 0; font-size: 14px; }
.ok { color: var(--p2); }
.bad { color: var(--danger); }
.online-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; width: 100%; }
.online-card { background: var(--panel); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 10px; align-items: center; text-align: center; }
.online-card h3 { margin: 0; }
.join-form { display: flex; gap: 8px; }
.join-form input { width: 120px; font: inherit; font-size: 20px; letter-spacing: 4px; text-transform: uppercase; text-align: center;
  background: var(--panel-2); color: var(--text); border: 1px solid #444; border-radius: 8px; padding: 6px 8px; }
.searching { margin: 0; color: var(--p1); }
.lobby-settings { margin: 0; }
.opponent-col { align-items: center; text-align: center; }
.opponent-col p { margin: 0; }
.opponent-sprite { width: 56px; height: 56px; }
#ping { position: absolute; top: 4px; right: 6px; font: 12px ui-monospace, monospace; padding: 2px 6px; border-radius: 4px; background: rgba(0, 0, 0, 0.55); pointer-events: none; z-index: 2; }
#ping.good { color: #7fff7f; }
#ping.mid { color: #ffd23f; }
#ping.poor { color: #ff6b6b; }
.overlay-card .countdown { font-size: 64px; font-weight: 700; color: var(--p1); margin: 0; }
@media (max-width: 720px) { .online-grid { grid-template-columns: 1fr; } }
@media (max-height: 500px) {
  #online { gap: 8px; }
  .online-card { padding: 10px; gap: 6px; }
  .overlay-card .countdown { font-size: 40px; }
}

/* Переключатель полноэкранного режима (телефон/планшет, экраны меню) */
#fs-btn { position: fixed; top: calc(env(safe-area-inset-top) + 8px); right: calc(env(safe-area-inset-right) + 8px); z-index: 15;
  width: 40px; height: 40px; padding: 8px; background: rgba(48, 53, 62, 0.85); border-radius: 8px; touch-action: manipulation; }
#fs-btn svg { width: 100%; height: 100%; fill: none; stroke: var(--text); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; display: block; }
.overlay-buttons { flex-wrap: wrap; }
.overlay-buttons button { white-space: nowrap; }