/* ============================================================
   BATTLESHIP — Retro Arcade × Nautical
   Shared design system
   ============================================================ */

:root {
  /* --- Sea / surface tones (deep night-ocean) --- */
  --sea-950: #04080f;
  --sea-900: #060d1a;
  --sea-850: #081320;
  --sea-800: #0a1628;
  --sea-700: #0f2138;
  --sea-600: #163052;
  --sea-500: #1d4068;

  /* --- Neon accents (shared chroma, varied hue) --- */
  --neon-cyan:  #46e0ff;   /* sonar / primary  */
  --neon-green: #4dffa6;   /* radar sweep / go */
  --amber:      #ffc24d;   /* alerts / labels  */
  --hit:        #ff5a52;   /* explosions / hit */
  --miss:       #4f7196;   /* splash / miss    */

  /* --- Text --- */
  --text:     #d7ecff;
  --text-dim: #6f93b5;
  --text-mut: #3f5d7d;

  /* --- Type --- */
  --font-display: 'Press Start 2P', monospace;
  --font-body: 'VT323', monospace;

  /* --- Misc --- */
  --line: rgba(70, 224, 255, 0.16);
  --line-strong: rgba(70, 224, 255, 0.4);
  --radius: 4px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--sea-950);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: none;
  font-smooth: never;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(29, 64, 104, 0.55), transparent 60%),
    radial-gradient(100% 80% at 50% 120%, rgba(13, 33, 56, 0.7), transparent 55%),
    var(--sea-950);
}

/* ---------- CRT overlays (decorative, pointer-transparent) ---------- */
body::before {
  /* scanlines */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.22) 3px,
    rgba(0, 0, 0, 0.22) 4px
  );
  mix-blend-mode: multiply;
}
body::after {
  /* vignette + screen curvature glow */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: radial-gradient(120% 120% at 50% 50%, transparent 55%, rgba(0,0,0,0.55) 100%);
}

/* ---------- Type helpers ---------- */
.display {
  font-family: var(--font-display);
  line-height: 1.5;
  letter-spacing: 0.5px;
}
.glow-cyan  { color: var(--neon-cyan);  text-shadow: 0 0 8px rgba(70,224,255,0.7), 0 0 18px rgba(70,224,255,0.35); }
.glow-green { color: var(--neon-green); text-shadow: 0 0 8px rgba(77,255,166,0.7), 0 0 18px rgba(77,255,166,0.35); }
.glow-amber { color: var(--amber);      text-shadow: 0 0 8px rgba(255,194,77,0.7), 0 0 18px rgba(255,194,77,0.35); }
.glow-hit   { color: var(--hit);        text-shadow: 0 0 8px rgba(255,90,82,0.8),  0 0 20px rgba(255,90,82,0.4); }

.dim { color: var(--text-dim); }
.mut { color: var(--text-mut); }

/* ---------- Layout primitives ---------- */
.screen {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px 64px;
}

.stack { display: flex; flex-direction: column; }
.row   { display: flex; flex-direction: row; }
.center { align-items: center; justify-content: center; }

/* ---------- Top marquee bar ---------- */
.topbar {
  width: 100%;
  max-width: 1180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 22px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand .mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(70,224,255,0.4), inset 0 0 8px rgba(70,224,255,0.2);
  font-size: 18px;
}
.brand .title {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(70,224,255,0.55);
}
.brand .sub {
  font-size: 18px;
  color: var(--text-mut);
  letter-spacing: 2px;
}

/* ---------- Panels ---------- */
.panel {
  background:
    linear-gradient(180deg, rgba(22,48,82,0.35), rgba(8,19,32,0.5));
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: inset 0 0 24px rgba(8,19,32,0.6);
}
.panel-pad { padding: 22px 24px; }

.panel-label {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--amber);
  text-transform: uppercase;
  text-shadow: 0 0 8px rgba(255,194,77,0.4);
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--neon-cyan);
  background: rgba(70,224,255,0.06);
  border: 2px solid var(--neon-cyan);
  border-radius: var(--radius);
  padding: 14px 20px;
  cursor: pointer;
  transition: all 0.12s steps(2);
  box-shadow: 0 0 0 rgba(70,224,255,0);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.btn:hover {
  background: rgba(70,224,255,0.16);
  box-shadow: 0 0 16px rgba(70,224,255,0.5), inset 0 0 14px rgba(70,224,255,0.2);
  transform: translateY(-1px);
}
.btn:active { transform: translateY(1px); }
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}
.btn.green  { color: var(--neon-green); border-color: var(--neon-green); background: rgba(77,255,166,0.06); }
.btn.green:hover  { background: rgba(77,255,166,0.16); box-shadow: 0 0 16px rgba(77,255,166,0.5), inset 0 0 14px rgba(77,255,166,0.2); }
.btn.amber  { color: var(--amber); border-color: var(--amber); background: rgba(255,194,77,0.06); }
.btn.amber:hover  { background: rgba(255,194,77,0.16); box-shadow: 0 0 16px rgba(255,194,77,0.5); }
.btn.ghost  { color: var(--text-dim); border-color: var(--line-strong); background: transparent; }
.btn.ghost:hover  { color: var(--text); box-shadow: 0 0 12px rgba(70,224,255,0.25); }
.btn.lg { font-size: 14px; padding: 18px 30px; }
.btn.sm { font-size: 9px; padding: 9px 12px; }

/* ---------- Inputs ---------- */
.field-label {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 30px;
  color: var(--neon-green);
  background: var(--sea-900);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 10px 16px;
  outline: none;
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(77,255,166,0.4);
  caret-color: var(--neon-green);
}
.input::placeholder { color: var(--text-mut); text-shadow: none; }
.input:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 16px rgba(77,255,166,0.35), inset 0 0 12px rgba(77,255,166,0.12);
}

/* ---------- Game grid ---------- */
.board-wrap { display: inline-block; }
.board-title {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 1px;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.grid {
  --cell: 38px;
  display: grid;
  grid-template-columns: 22px repeat(10, var(--cell));
  grid-template-rows: 22px repeat(10, var(--cell));
  gap: 0;
  background: var(--sea-900);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: inset 0 0 28px rgba(0,0,0,0.6);
  padding: 0;
  user-select: none;
}
.grid .corner { }
.grid .axis {
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 8px;
  color: var(--text-mut);
}
.cell {
  width: var(--cell);
  height: var(--cell);
  border: 1px solid var(--line);
  position: relative;
  display: grid;
  place-items: center;
  background:
    linear-gradient(rgba(70,224,255,0.02), rgba(70,224,255,0.02));
}
/* faint radar cross on each cell */
.cell::after {
  content: "";
  position: absolute;
  width: 3px; height: 3px;
  background: rgba(70,224,255,0.10);
  border-radius: 50%;
}

/* interactive targeting cell */
.cell.fire { cursor: crosshair; }
.cell.fire:hover {
  background: rgba(255,194,77,0.14);
  box-shadow: inset 0 0 12px rgba(255,194,77,0.45);
}

/* ship occupancy (own board) */
.cell.ship {
  background:
    linear-gradient(180deg, rgba(70,224,255,0.30), rgba(70,224,255,0.14));
  border-color: rgba(70,224,255,0.55);
  box-shadow: inset 0 0 10px rgba(70,224,255,0.25);
}
.cell.ship-ghost {
  background: rgba(77,255,166,0.22) !important;
  border-color: var(--neon-green) !important;
  box-shadow: inset 0 0 10px rgba(77,255,166,0.3) !important;
}
.cell.ship-bad {
  background: rgba(255,90,82,0.22) !important;
  border-color: var(--hit) !important;
}

/* fired states */
.cell.miss::after {
  content: "\1F30A"; /* water wave */
  width: auto; height: auto;
  background: none;
  box-shadow: none;
  border-radius: 0;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  font-size: 18px;
  line-height: 1;
  filter: drop-shadow(0 0 5px rgba(79,113,150,0.8));
}
.cell.hit {
  background: radial-gradient(circle, rgba(255,120,40,0.5), rgba(255,90,82,0.12));
}
.cell.hit::after {
  content: "\1F525"; /* fire */
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  font-size: 20px;
  line-height: 1;
  width: auto; height: auto;
  background: none;
  border-radius: 0;
  filter: drop-shadow(0 0 6px rgba(255,140,40,0.9));
}
.cell.sunk {
  background: rgba(255,90,82,0.28);
  border-color: rgba(255,90,82,0.5);
}

/* larger shot icons on the big projector boards */
.live-boards .cell.hit::after  { font-size: 30px; }
.live-boards .cell.miss::after { font-size: 27px; }

/* pulse animation for latest shot */
@keyframes splash {
  0%   { box-shadow: inset 0 0 0 12px rgba(255,194,77,0.6); }
  100% { box-shadow: inset 0 0 0 0 rgba(255,194,77,0); }
}
.cell.latest { animation: splash 0.6s ease-out; }

/* ---------- Fleet roster ---------- */
.fleet { display: flex; flex-direction: column; gap: 10px; }
.ship-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8,19,32,0.5);
  cursor: pointer;
  transition: all 0.1s;
}
.ship-chip:hover { border-color: var(--line-strong); }
.ship-chip.active {
  border-color: var(--neon-green);
  background: rgba(77,255,166,0.08);
  box-shadow: 0 0 12px rgba(77,255,166,0.25);
}
.ship-chip.placed { opacity: 0.55; }
.ship-chip.placed.active { opacity: 1; }
.ship-chip .pips { display: flex; gap: 3px; }
.ship-chip .pip {
  width: 14px; height: 14px;
  background: rgba(70,224,255,0.5);
  border: 1px solid var(--neon-cyan);
}
.ship-chip .pip.dead { background: rgba(255,90,82,0.4); border-color: var(--hit); }
.ship-chip .name {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.5px;
  flex: 1;
}
.ship-chip .stat { font-size: 16px; color: var(--text-dim); }

/* ---------- Turn banner ---------- */
.banner {
  font-family: var(--font-display);
  text-align: center;
  letter-spacing: 1px;
  padding: 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
}
@keyframes blink { 50% { opacity: 0.35; } }
.blink { animation: blink 1s steps(2) infinite; }

/* ---------- Log feed ---------- */
.log {
  font-size: 18px;
  line-height: 1.35;
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 6px;
}
.log-line { color: var(--text-dim); }
.log-line b { color: var(--text); }
.log-line .res-hit  { color: var(--hit); }
.log-line .res-miss { color: var(--miss); }
.log-line .res-sunk { color: var(--amber); }

.log::-webkit-scrollbar { width: 8px; }
.log::-webkit-scrollbar-track { background: var(--sea-900); }
.log::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 4px; }

/* ---------- Pills / badges ---------- */
.pill {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 1px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-mut); }
.pill.on  { color: var(--neon-green); border-color: var(--neon-green); }
.pill.on .dot { background: var(--neon-green); box-shadow: 0 0 8px var(--neon-green); }
.pill.wait { color: var(--amber); border-color: var(--amber); }
.pill.wait .dot { background: var(--amber); box-shadow: 0 0 8px var(--amber); animation: blink 1s steps(2) infinite; }

/* ---------- Helpers ---------- */
.hidden { display: none !important; }
a.link { color: var(--neon-cyan); text-decoration: none; border-bottom: 1px dotted var(--line-strong); }
a.link:hover { text-shadow: 0 0 8px rgba(70,224,255,0.5); }
.notice {
  font-size: 17px;
  color: var(--text-dim);
  border-left: 3px solid var(--amber);
  padding: 6px 0 6px 14px;
  background: linear-gradient(90deg, rgba(255,194,77,0.06), transparent);
}
.spacer { flex: 1; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.gap-24 { gap: 24px; } .gap-32 { gap: 32px; }
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}