/* ==========================================================================
   Torpido — "night plotting table": a navy chart under a red lamp.
   Chalk stencil type, steel ships seen from above, white pegs for misses,
   burning red pegs for hits. Animations move transform/opacity only.
   ========================================================================== */

:root {
  --night: #06111b;
  --deep: #0a1b2a;
  --sea: #0f2b40;
  --sea-2: #14384f;
  --line: rgba(160, 214, 236, .14);
  --line-2: rgba(160, 214, 236, .3);
  --chalk: #efe6cf;
  --chalk-2: #c9bfa6;
  --muted: #7d98aa;
  --signal: #ff6a2b;
  --signal-d: #c2410c;
  --fire: #ff3d2e;
  --ember: #ffb02e;
  --foam: #e8f3f8;
  --good: #3ddc97;
  --ink: #0b1620;
  --stencil: "Saira Stencil One", "Arial Black", Impact, sans-serif;
  --cond: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body {
  font: 500 16px/1.4 var(--body);
  color: var(--chalk);
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(255, 106, 43, .08), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(160, 214, 236, .035) 47px 48px),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(160, 214, 236, .035) 47px 48px),
    linear-gradient(180deg, var(--deep), var(--night));
  background-attachment: fixed;
  overflow: hidden;
  -webkit-user-select: none; user-select: none;
  touch-action: manipulation;
}
button { font: inherit; color: inherit; cursor: pointer; }
input { font: inherit; }

/* ------------------------------------------------------------------ screens */
.screen { position: fixed; inset: 0; overflow-y: auto; padding: calc(var(--safe-t) + 12px) 18px calc(var(--safe-b) + 18px); }
#menu, #lobby { display: flex; flex-direction: column; align-items: stretch; max-width: 440px; margin: 0 auto; }

.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 44px; }
.tools { display: flex; gap: 8px; }
.link { background: none; border: 0; color: var(--muted); font: 600 15px var(--body); text-decoration: none; padding: 10px 2px; }
.link:hover { color: var(--chalk); }
.link.center { align-self: center; margin-top: 10px; text-decoration: underline; text-underline-offset: 4px; }
.chip { min-width: 44px; height: 44px; padding: 0 12px; border-radius: 12px; border: 1.5px solid var(--line-2); background: rgba(255, 255, 255, .03); font: 800 15px var(--cond); letter-spacing: .08em; }
.chip.icon { font-size: 18px; }

/* ---- hero: a radar scope with a sweeping beam and a ship on it */
.hero { position: relative; height: 190px; display: grid; place-items: center; margin-top: 4px; }
.radar {
  position: relative; width: 176px; height: 176px; border-radius: 50%; overflow: hidden;
  background:
    radial-gradient(circle, transparent 0 29%, var(--line-2) 29.5% 30%, transparent 30.5% 59%, var(--line-2) 59.5% 60%, transparent 60.5%),
    linear-gradient(90deg, transparent 49.6%, var(--line) 49.6% 50.4%, transparent 50.4%),
    linear-gradient(0deg, transparent 49.6%, var(--line) 49.6% 50.4%, transparent 50.4%),
    radial-gradient(circle, var(--sea-2), var(--sea) 70%);
  box-shadow: 0 0 0 3px var(--ink), 0 0 0 5px var(--line-2), 0 18px 40px rgba(0, 0, 0, .5);
}
.radar .sweep { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 0deg, rgba(61, 220, 151, .5), rgba(61, 220, 151, 0) 22%); animation: spin 3.4s linear infinite; }
.radar .blip { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--good); box-shadow: 0 0 10px var(--good); animation: blip 3.4s linear infinite; opacity: 0; }
.radar .b1 { left: 64%; top: 26%; animation-delay: .25s; }
.radar .b2 { left: 72%; top: 66%; animation-delay: 1.05s; }
.radar .b3 { left: 24%; top: 60%; animation-delay: 2.3s; background: var(--fire); box-shadow: 0 0 12px var(--fire); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blip { 0% { opacity: 1; transform: scale(1.3); } 60% { opacity: .15; transform: scale(1); } 100% { opacity: 0; } }
.hero-ship { position: absolute; width: 150px; height: 38px; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-24deg); filter: drop-shadow(0 6px 0 rgba(0, 0, 0, .45)); animation: bob 4s ease-in-out infinite; }
.hero-ship svg { width: 100%; height: 100%; display: block; }
@keyframes bob { 50% { transform: translate(-50%, -56%) rotate(-21deg); } }

.logo { margin: 6px 0 0; text-align: center; font: 400 clamp(44px, 14vw, 62px)/1 var(--stencil); letter-spacing: .06em; color: var(--chalk); text-shadow: 0 4px 0 #000; text-transform: uppercase; }
.logo span { position: relative; display: inline-block; padding-bottom: 12px; }
.logo span::after { /* a torpedo running under the name, with a bubble wake */
  content: ""; position: absolute; left: 6%; right: 6%; bottom: 0; height: 8px; border-radius: 4px;
  background: linear-gradient(90deg, transparent, rgba(232, 243, 248, .5) 30%, var(--signal) 30% 92%, #ffd2bd 92%);
  box-shadow: 0 2px 0 #000;
}
.logo.small { font-size: 40px; margin-bottom: 8px; }
.tagline { text-align: center; margin: 10px 0 18px; color: var(--chalk-2); font: 600 17px var(--cond); letter-spacing: .08em; text-transform: uppercase; }

.label { display: block; margin: 14px 2px 8px; font: 800 13px var(--cond); letter-spacing: .2em; text-transform: uppercase; color: var(--signal); }
.input { width: 100%; height: 52px; padding: 0 16px; border-radius: 14px; border: 2px solid var(--line-2); background: rgba(6, 17, 27, .7); color: var(--chalk); font-size: 18px; font-weight: 700; outline: none; }
.input:focus { border-color: var(--signal); }
.input.code { text-align: center; font: 400 28px var(--stencil); letter-spacing: .4em; padding-left: .4em; }

.seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.seg button { min-height: 58px; border-radius: 14px; border: 2px solid var(--line-2); background: rgba(6, 17, 27, .6); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; transition: transform .12s; }
.seg button b { font: 800 18px var(--cond); letter-spacing: .04em; text-transform: uppercase; }
.seg button small { color: var(--ember); font-size: 11px; letter-spacing: .1em; }
.seg button.on { border-color: var(--signal); background: linear-gradient(180deg, rgba(255, 106, 43, .22), rgba(255, 106, 43, .08)); box-shadow: 0 0 0 3px rgba(255, 106, 43, .18); }
.seg button:active { transform: scale(.97); }

.actions { display: grid; gap: 10px; margin-top: 22px; }
.btn {
  min-height: 48px; padding: 0 18px; border-radius: 14px; border: 2px solid var(--line-2); background: rgba(255, 255, 255, .04);
  font: 800 18px var(--cond); letter-spacing: .06em; text-transform: uppercase; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: transform .1s, box-shadow .1s;
}
.btn:active { transform: translateY(2px); }
.btn.primary { border-color: #000; color: #fff; background: linear-gradient(180deg, #ff8248, var(--signal)); box-shadow: 0 4px 0 var(--signal-d), 0 8px 18px rgba(255, 106, 43, .25); text-shadow: 0 1px 0 rgba(0, 0, 0, .35); }
.btn.primary:active { box-shadow: 0 2px 0 var(--signal-d); }
.btn.danger { border-color: #000; background: var(--fire); color: #fff; box-shadow: 0 4px 0 #8f1d14; }
.btn.big { min-height: 60px; font-size: 22px; }
.btn .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--good); box-shadow: 0 0 8px var(--good); }

/* ------------------------------------------------------------------ lobby */
.or { text-align: center; color: var(--muted); margin: 18px 0 10px; font: 700 14px var(--cond); letter-spacing: .14em; text-transform: uppercase; }
.join { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.room-code { display: flex; flex-direction: column; align-items: center; margin: 10px 0 12px; color: var(--muted); font: 800 13px var(--cond); letter-spacing: .24em; text-transform: uppercase; }
.room-code b { font: 400 64px/1.05 var(--stencil); letter-spacing: .14em; color: var(--chalk); text-shadow: 0 4px 0 #000; }
#btnShare { align-self: center; }
.crew { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 8px; }
.crew li { display: flex; align-items: center; gap: 12px; min-height: 56px; padding: 0 16px; border-radius: 14px; border: 2px solid var(--line-2); background: rgba(6, 17, 27, .6); font: 800 20px var(--cond); }
.crew li.you { border-color: rgba(255, 106, 43, .6); }
.crew li small { margin-left: auto; color: var(--muted); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; }
.crew li.empty { border-style: dashed; color: var(--muted); }
.crew li.empty .flag { animation: pulse 1.2s ease-in-out infinite; }
.crew .flag { width: 28px; text-align: center; font-size: 20px; }
@keyframes pulse { 50% { opacity: .3; } }
.hint { text-align: center; color: var(--chalk-2); margin: 14px 0 0; }
.msg { text-align: center; min-height: 22px; color: var(--ember); margin: 14px 0 0; font-weight: 700; }

/* ------------------------------------------------------------------ game layout */
#game { padding: 0; display: grid; grid-template-rows: auto 1fr auto; overflow: hidden; height: 100dvh; }
.hud { display: grid; grid-template-columns: 44px minmax(0, 1fr) minmax(0, 1fr); gap: 8px; align-items: center; padding: calc(var(--safe-t) + 8px) 10px 4px; }
.iconbtn { width: 44px; height: 44px; border-radius: 12px; border: 1.5px solid var(--line-2); background: rgba(6, 17, 27, .6); font-size: 18px; color: var(--muted); }
.captain { position: relative; min-width: 0; height: 48px; border-radius: 14px; border: 2px solid var(--line-2); background: rgba(6, 17, 27, .7); display: flex; flex-direction: column; justify-content: center; padding: 0 12px; transition: border-color .25s, box-shadow .25s; }
.captain .nm { font: 800 18px/1.05 var(--cond); letter-spacing: .03em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-transform: uppercase; }
.captain .cnt { font: 700 12px var(--cond); letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.captain.foe { border-left: 5px solid var(--fire); }
.captain.me { border-left: 5px solid var(--good); }
.captain.on { border-color: var(--signal); box-shadow: 0 0 0 3px rgba(255, 106, 43, .25); }
.captain.on::after { content: ""; position: absolute; right: 10px; top: 50%; width: 10px; height: 10px; margin-top: -5px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 10px var(--signal); animation: pulse 1s ease-in-out infinite; }
.bubble { position: absolute; left: 50%; top: 100%; z-index: 30; font-size: 34px; transform: translateX(-50%); animation: bubble 2.2s ease-out forwards; pointer-events: none; filter: drop-shadow(0 4px 0 rgba(0, 0, 0, .4)); }
@keyframes bubble { 0% { transform: translate(-50%, -10px) scale(.3); opacity: 0; } 12% { transform: translate(-50%, 6px) scale(1.15); opacity: 1; } 25% { transform: translate(-50%, 4px) scale(1); } 80% { opacity: 1; } 100% { transform: translate(-50%, 30px) scale(.9); opacity: 0; } }

.arena { position: relative; min-height: 0; }
.sea { position: absolute; left: 0; top: 0; width: var(--S, 300px); height: var(--S, 300px); transform-origin: 0 0; transition: transform .5s cubic-bezier(.2, .8, .2, 1), opacity .35s; will-change: transform; --g: calc(var(--S, 300px) * .075); --c: calc((var(--S, 300px) - var(--g)) / 10); }
/* No pointer-events tricks here: Chromium can leave an inherited "none" stuck on the children while the
   sea is mid-transition. A hidden sea just sinks below the other; taps are filtered in JS anyway. */
.sea.off { opacity: 0; z-index: -1; }
.sea .board { position: absolute; inset: 0; }
.sea .tag { position: absolute; left: var(--g); top: -20px; font: 800 13px var(--cond); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.sea.foe .tag { color: #ff8a7a; }
.sea.me .tag { color: #7fe6b8; }
.sea.mini .tag { font-size: 26px; top: -36px; }
.cols, .rows { position: absolute; display: grid; font: 400 calc(var(--c) * .4)/1 var(--stencil); color: var(--muted); place-items: center; }
.cols { left: var(--g); top: 0; width: calc(var(--c) * 10); height: var(--g); grid-template-columns: repeat(10, 1fr); }
.rows { left: 0; top: var(--g); width: var(--g); height: calc(var(--c) * 10); grid-template-rows: repeat(10, 1fr); }
.water {
  position: absolute; left: var(--g); top: var(--g); width: calc(var(--c) * 10); height: calc(var(--c) * 10); border-radius: 8px; overflow: hidden; overflow: clip; /* clip: never scrollable, not even by scrollIntoView */
  background:
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / var(--c) var(--c),
    linear-gradient(0deg, var(--line) 1px, transparent 1px) 0 0 / var(--c) var(--c),
    radial-gradient(120% 90% at 30% 20%, var(--sea-2), var(--sea) 70%);
  box-shadow: inset 0 0 0 2px var(--line-2), 0 0 0 3px var(--ink), 0 14px 30px rgba(0, 0, 0, .45);
  touch-action: none;
}
.sea.foe .water { background:
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / var(--c) var(--c),
    linear-gradient(0deg, var(--line) 1px, transparent 1px) 0 0 / var(--c) var(--c),
    radial-gradient(120% 90% at 70% 20%, #1a3550, #10233a 70%); }
.cells { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(10, 1fr); grid-template-rows: repeat(10, 1fr); z-index: 3; }
.cell { position: relative; display: block; }
.ships { position: absolute; inset: 0; z-index: 2; }
.fxl { position: absolute; inset: 0; z-index: 4; pointer-events: none; }

/* the sonar sweep while you aim */
.sonar { position: absolute; left: 50%; top: 50%; width: 150%; height: 150%; margin: -75% 0 0 -75%; border-radius: 50%; background: conic-gradient(from 0deg, rgba(61, 220, 151, .16), transparent 18%); opacity: 0; transition: opacity .4s; z-index: 1; }
.sea.foe.armed .sonar { opacity: 1; animation: spin 4s linear infinite; }
.sea.foe.armed .water { box-shadow: inset 0 0 0 2px rgba(255, 106, 43, .55), 0 0 0 3px var(--ink), 0 0 0 6px rgba(255, 106, 43, .22), 0 14px 30px rgba(0, 0, 0, .45); }
.sea.foe.armed .cell:not([class*="m-"]) { cursor: crosshair; }
@media (hover: hover) {
  .sea.foe.armed .cell:not([class*="m-"]):hover::before { content: ""; position: absolute; inset: 12%; border: 2px solid var(--signal); border-radius: 50%; box-shadow: 0 0 0 1px rgba(0, 0, 0, .5), 0 0 12px rgba(255, 106, 43, .5); background: linear-gradient(var(--signal), var(--signal)) center / 2px 60% no-repeat, linear-gradient(var(--signal), var(--signal)) center / 60% 2px no-repeat; }
}
.cell.locked::before { content: ""; position: absolute; inset: 8%; border: 3px solid var(--signal); border-radius: 50%; animation: lock .35s ease-out forwards; }
@keyframes lock { from { transform: scale(1.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.cell.incoming::before { border-color: var(--fire); box-shadow: 0 0 12px rgba(255, 61, 46, .7); background: linear-gradient(var(--fire), var(--fire)) center / 2px 70% no-repeat, linear-gradient(var(--fire), var(--fire)) center / 70% 2px no-repeat; }

/* ---- pegs */
.cell.m-miss::after { content: ""; position: absolute; left: 50%; top: 50%; width: 30%; height: 30%; margin: -15% 0 0 -15%; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff, #c9dbe4); box-shadow: 0 0 0 2px rgba(255, 255, 255, .12), 0 2px 0 rgba(0, 0, 0, .45); }
.cell.m-clear::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12%; height: 12%; margin: -6% 0 0 -6%; border-radius: 50%; background: rgba(232, 243, 248, .35); }
.cell.m-clear { background: rgba(232, 243, 248, .04); }
.cell.reveal::after { animation: pop .35s ease-out both; }
.cell.m-hit::after, .cell.m-sunk::after { content: ""; position: absolute; left: 50%; top: 50%; width: 42%; height: 42%; margin: -21% 0 0 -21%; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #ffd27a, var(--fire) 55%, #8c1309); box-shadow: 0 0 0 2px #000, 0 0 14px rgba(255, 61, 46, .7); z-index: 2; }
.cell.m-hit::before { /* flames licking up from a hit that hasn't sunk yet */
  content: ""; position: absolute; left: 22%; right: 22%; bottom: 46%; height: 46%; border-radius: 50% 50% 40% 40%;
  background: radial-gradient(ellipse at 50% 100%, var(--ember), rgba(255, 61, 46, .8) 45%, transparent 70%);
  transform-origin: 50% 100%; animation: flame .5s ease-in-out infinite alternate; z-index: 1;
}
.cell.m-sunk::after { width: 26%; height: 26%; margin: -13% 0 0 -13%; background: #2b1210; box-shadow: 0 0 0 2px rgba(255, 61, 46, .55); }
@keyframes flame { from { transform: scaleY(.85) scaleX(1); opacity: .85; } to { transform: scaleY(1.15) scaleX(.9); opacity: 1; } }
@keyframes pop { from { transform: scale(0); } }

/* ---- ships */
.ship { position: absolute; left: calc(var(--x) * var(--c)); top: calc(var(--y) * var(--c)); width: calc(var(--len) * var(--c)); height: var(--c); }
.ship.v { width: var(--c); height: calc(var(--len) * var(--c)); }
.ship .hull { position: absolute; left: 0; top: 0; width: calc(var(--len) * var(--c)); height: var(--c); padding: 7% calc(var(--c) * .06); filter: drop-shadow(0 calc(var(--c) * .08) 0 rgba(0, 0, 0, .45)); }
.ship.v .hull { transform: rotate(90deg) translateY(-100%); transform-origin: 0 0; }
.ship .hull svg { width: 100%; height: 100%; display: block; }
.ship.sunk .hull { filter: brightness(.42) saturate(.3) sepia(.5) drop-shadow(0 0 calc(var(--c) * .12) rgba(255, 61, 46, .5)); }
.ship.sunk::after { content: ""; position: absolute; inset: 8%; border-radius: 6px; background: repeating-linear-gradient(-45deg, rgba(255, 61, 46, .32) 0 4px, transparent 4px 9px); }
.ship.ghost { opacity: .85; animation: rise .5s ease-out both; }
.ship.ghost::after { content: ""; position: absolute; inset: 4%; border-radius: 6px; border: 2px dashed var(--ember); }
.ship.arrive { animation: rise .5s ease-out both; }
@keyframes rise { from { opacity: 0; transform: scale(1.25); } }
.editing .ships { z-index: 5; } /* ships above the cell grid while deploying, so they can be grabbed */
.editing .ship.own { cursor: grab; transition: left .2s cubic-bezier(.2, .9, .3, 1.2), top .2s cubic-bezier(.2, .9, .3, 1.2); }
.editing .ship.own::before { content: ""; position: absolute; inset: 2px; border-radius: 6px; border: 1.5px dashed rgba(127, 230, 184, .35); }
.editing .ship.lift { z-index: 5; transition: none; cursor: grabbing; }
.editing .ship.lift .hull { filter: drop-shadow(0 calc(var(--c) * .25) 6px rgba(0, 0, 0, .6)); transform: scale(1.06); }
.editing .ship.v.lift .hull { transform: rotate(90deg) translateY(-100%) scale(1.06); }
.editing .ship.lift::before { border-color: var(--good); border-style: solid; background: rgba(61, 220, 151, .12); }
.editing .ship.bad::before { border-color: var(--fire); background: rgba(255, 61, 46, .2); }

/* ---- effects */
.boom { position: absolute; left: calc((var(--x) + .5) * var(--c)); top: calc((var(--y) + .5) * var(--c)); width: 0; height: 0; }
.boom i { position: absolute; left: 0; top: 0; border-radius: 50%; }
.boom.splash i:nth-child(-n+2) { width: calc(var(--c) * 1.2); height: calc(var(--c) * 1.2); margin: calc(var(--c) * -.6); border: 2px solid var(--foam); animation: ring .7s ease-out forwards; }
.boom.splash i:nth-child(2) { animation-delay: .12s; opacity: 0; }
.boom.splash i:nth-child(n+3) { width: 5px; height: 5px; margin: -2.5px; background: var(--foam); animation: drop .55s ease-out forwards; }
.boom.blast i:first-child { width: calc(var(--c) * 1.6); height: calc(var(--c) * 1.6); margin: calc(var(--c) * -.8); background: radial-gradient(circle, #fff6d5, var(--ember) 35%, rgba(255, 61, 46, .7) 60%, transparent 70%); animation: flash .5s ease-out forwards; }
.boom.blast i:nth-child(2) { width: calc(var(--c) * 1.3); height: calc(var(--c) * 1.3); margin: calc(var(--c) * -.65); border: 3px solid var(--ember); animation: ring .5s ease-out forwards; }
.boom.blast i:nth-child(n+3) { width: 6px; height: 6px; margin: -3px; background: var(--ember); box-shadow: 0 0 6px var(--fire); animation: drop .6s ease-out forwards; }
.boom.small i:first-child { width: var(--c); height: var(--c); margin: calc(var(--c) * -.5); }
.boom i:nth-child(3) { --dx: -1; --dy: -1; } .boom i:nth-child(4) { --dx: 1; --dy: -1.2; } .boom i:nth-child(5) { --dx: -1.2; --dy: .6; } .boom i:nth-child(6) { --dx: 1.1; --dy: .8; }
@keyframes ring { from { transform: scale(.2); opacity: 1; } to { transform: scale(1.4); opacity: 0; } }
@keyframes flash { from { transform: scale(.2); opacity: 1; } to { transform: scale(1.3); opacity: 0; } }
@keyframes drop { to { transform: translate(calc(var(--dx) * var(--c) * .8), calc(var(--dy) * var(--c) * .8)); opacity: 0; } }
.floater { position: absolute; left: calc((var(--x) + .5) * var(--c)); top: calc(var(--y) * var(--c)); transform: translate(-50%, -50%); font: 400 calc(var(--c) * .42) var(--stencil); letter-spacing: .06em; color: var(--foam); text-shadow: 0 2px 0 #000; white-space: nowrap; animation: float .9s ease-out forwards; z-index: 6; }
.floater.hit { color: var(--ember); }
@keyframes float { from { opacity: 0; transform: translate(-50%, 0) scale(.7); } 20% { opacity: 1; transform: translate(-50%, -60%) scale(1.1); } to { opacity: 0; transform: translate(-50%, -160%) scale(1); } }
.stamp { position: absolute; left: 50%; top: 50%; z-index: 8; padding: 6px 16px 4px; border: 5px solid var(--fire); border-radius: 10px; color: var(--fire); background: rgba(6, 17, 27, .82); font: 400 calc(var(--S) * .1)/1 var(--stencil); letter-spacing: .06em; white-space: nowrap; box-shadow: 0 0 0 3px #000, 0 10px 30px rgba(0, 0, 0, .6); pointer-events: none; }
.shell { position: fixed; left: 0; top: 0; width: 14px; height: 14px; margin: -7px; border-radius: 50%; background: radial-gradient(circle, #fff, var(--ember) 45%, var(--signal)); box-shadow: 0 0 14px 4px rgba(255, 140, 50, .6); z-index: 60; pointer-events: none; }
.fx { position: fixed; inset: 0; pointer-events: none; z-index: 60; }

/* ---- side: fleets afloat (phones) */
.side { position: absolute; display: flex; flex-direction: column; gap: 10px; justify-content: center; transition: opacity .3s; }
.side.off { opacity: 0; visibility: hidden; }
.fleet h4 { margin: 0 0 4px; font: 800 12px var(--cond); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.fleet:first-child h4 { color: #ff8a7a; }
.fleet:last-child h4 { color: #7fe6b8; }
.frow { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 4px; color: rgba(239, 230, 207, .7); line-height: 0; }
.frow span.gone { color: rgba(255, 61, 46, .55); position: relative; }
.frow span.gone::after { content: ""; position: absolute; left: -2px; right: -2px; top: 50%; height: 2px; background: var(--fire); transform: rotate(-12deg); }

/* ---- dock */
.dock { display: flex; align-items: center; gap: 10px; min-height: 76px; padding: 10px 14px calc(var(--safe-b) + 10px); background: linear-gradient(180deg, rgba(6, 17, 27, 0), rgba(6, 17, 27, .92) 30%); position: relative; }
.dock .say { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.dock .say b { font: 400 26px/1.05 var(--stencil); letter-spacing: .04em; text-transform: uppercase; }
.dock .say small { color: var(--chalk-2); font-size: 14px; }
.dock.go .say b { color: var(--signal); }
.dock.wait .say b { color: var(--chalk-2); font: 800 20px/1.1 var(--cond); letter-spacing: .04em; }
.dock .acts { display: flex; gap: 8px; align-items: center; }
.dock.place { flex-wrap: wrap; }
.dock.place .say { flex-basis: 100%; }
.dock.place .acts { flex: 1; }
.dock.place .acts .btn { flex: 1; }
.dots { display: inline-flex; gap: 4px; margin-top: 4px; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--chalk-2); animation: pulse 1s ease-in-out infinite; }
.dots i:nth-child(2) { animation-delay: .2s; } .dots i:nth-child(3) { animation-delay: .4s; }
.react-btn { width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--line-2); background: rgba(6, 17, 27, .8); font-size: 24px; }
.reactions { position: absolute; right: 12px; bottom: calc(100% - 4px); display: flex; gap: 4px; padding: 6px; border-radius: 16px; background: var(--deep); border: 2px solid var(--line-2); box-shadow: 0 10px 30px rgba(0, 0, 0, .5); animation: pop .2s ease-out; }
.reactions button { width: 44px; height: 44px; border: 0; border-radius: 12px; background: transparent; font-size: 26px; }
.reactions button:active { background: rgba(255, 255, 255, .08); transform: scale(.9); }

/* ---- banner, toast, net status */
.banner { position: fixed; left: 50%; top: 42%; z-index: 70; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 28px 12px; border-radius: 6px; background: var(--chalk); color: var(--ink); box-shadow: 0 0 0 4px #000, 0 20px 50px rgba(0, 0, 0, .6); transform: translate(-50%, -50%) scale(.6) rotate(-3deg); opacity: 0; pointer-events: none; transition: transform .25s cubic-bezier(.2, 1.5, .4, 1), opacity .2s; white-space: nowrap; }
.banner b { font: 400 34px/1 var(--stencil); letter-spacing: .06em; text-transform: uppercase; }
.banner span { font: 800 15px var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--signal-d); }
.banner.show { transform: translate(-50%, -50%) scale(1) rotate(-3deg); opacity: 1; }
.toast { position: fixed; left: 50%; top: calc(var(--safe-t) + 66px); z-index: 80; transform: translateX(-50%); padding: 10px 16px; border-radius: 12px; background: var(--chalk); color: var(--ink); font: 800 16px var(--cond); letter-spacing: .03em; box-shadow: 0 0 0 3px #000, 0 10px 24px rgba(0, 0, 0, .5); animation: toast 1.5s ease-out forwards; white-space: nowrap; max-width: calc(100vw - 24px); overflow: hidden; text-overflow: ellipsis; }
@keyframes toast { 0% { opacity: 0; transform: translate(-50%, -10px); } 12%, 82% { opacity: 1; transform: translate(-50%, 0); } 100% { opacity: 0; } }
.net { position: fixed; left: 50%; top: calc(var(--safe-t) + 62px); transform: translateX(-50%); z-index: 75; padding: 8px 14px; border-radius: 10px; background: var(--ember); color: var(--ink); font: 800 15px var(--cond); box-shadow: 0 0 0 3px #000; }

/* ---- sheet */
.sheet { position: fixed; inset: 0; z-index: 90; display: flex; align-items: flex-end; justify-content: center; background: rgba(3, 9, 15, .45); animation: fade .2s; }
@keyframes fade { from { opacity: 0; } }
.sheet .panel { width: 100%; max-width: 460px; max-height: 88dvh; overflow: auto; padding: 18px 18px calc(var(--safe-b) + 18px); border-radius: 22px 22px 0 0; background: linear-gradient(180deg, #13283a, var(--deep)); border: 2px solid var(--line-2); border-bottom: 0; box-shadow: 0 -20px 50px rgba(0, 0, 0, .5); animation: up .32s cubic-bezier(.2, 1, .3, 1); }
@keyframes up { from { transform: translateY(100%); } }
.panel h2 { margin: 0 0 8px; font: 400 32px/1 var(--stencil); letter-spacing: .05em; text-transform: uppercase; }
.panel .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.panel .rules .row { grid-template-columns: 1fr; }
.rules ul { padding-left: 18px; margin: 8px 0 0; } .rules li { margin: 6px 0; color: var(--chalk-2); } .rules b { color: var(--chalk); }
.result { text-align: center; }
.result .medal { width: 74px; height: 74px; margin: -54px auto 6px; border-radius: 50%; display: grid; place-items: center; font-size: 38px; background: var(--chalk); color: var(--signal-d); box-shadow: 0 0 0 4px #000, 0 10px 24px rgba(0, 0, 0, .5); animation: pop .4s cubic-bezier(.2, 1.6, .4, 1) .1s both; }
.result.lost .medal { background: #2b3e4d; color: var(--chalk); }
.result.won h2 { color: var(--ember); }
.result p { color: var(--chalk-2); margin: 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.stats div { padding: 10px 4px; border-radius: 12px; border: 1.5px solid var(--line-2); display: flex; flex-direction: column; }
.stats b { font: 400 28px/1 var(--stencil); }
.stats span { font: 700 12px var(--cond); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.result .wait { min-height: 20px; margin-top: 10px; color: var(--ember); font-weight: 700; }
.confirm p { color: var(--chalk-2); margin: 0; }

@media (min-width: 700px) {
  .hud { grid-template-columns: 44px minmax(0, 260px) minmax(0, 260px); justify-content: center; }
  .dock { justify-content: center; }
  .dock .say { flex: 0 1 460px; }
}
@media (prefers-reduced-motion: reduce) {
  .radar .sweep, .hero-ship, .sonar, .cell.m-hit::before { animation: none !important; }
}