/* ============================================================
   OXIDIA — design system (its own, NOT Centinela's tokens)
   Mars: warm near-black + iron-oxide rust + Mars Gaming crimson
   ============================================================ */
:root {
  --bg:        #0a0704;
  --bg-2:      #140d06;
  --surface:   #1c130a;
  --surface-2: #271a0d;
  --line:      #3a2712;

  --rust:      #c1440e;
  --rust-2:    #e2691f;
  --crimson:   #ff2d2d;
  --crimson-2: #ff5b4a;
  --crimson-d: #7d1414;

  --text:      #f5e9dc;
  --text-dim:  #b89d84;
  --text-mute: #7d6853;

  --ok:        #5fd67a;
  --warn:      #ffb020;

  --f-display: "Chakra Petch", system-ui, sans-serif;
  --f-mono:    "Share Tech Mono", ui-monospace, monospace;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-display);
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

#game { position: fixed; inset: 0; width: 100%; height: 100%; display: block; outline: none; touch-action: none; }

/* ---------- HUD overlay (pointer-transparent) ---------- */
#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

/* Crosshair */
#crosshair {
  position: absolute; top: 50%; left: 50%;
  width: 22px; height: 22px; transform: translate(-50%, -50%);
  opacity: .9;
}
#crosshair::before, #crosshair::after {
  content: ""; position: absolute; background: var(--crimson);
  box-shadow: 0 0 4px rgba(255, 45, 45, .7);
}
#crosshair::before { top: 50%; left: 0; width: 100%; height: 2px; transform: translateY(-50%); }
#crosshair::after  { left: 50%; top: 0; height: 100%; width: 2px; transform: translateX(-50%); }
#crosshair .dot {
  position: absolute; top: 50%; left: 50%; width: 3px; height: 3px;
  background: var(--text); border-radius: 50%; transform: translate(-50%, -50%);
}
#hitmarker {
  position: absolute; top: 50%; left: 50%; width: 30px; height: 30px;
  transform: translate(-50%, -50%) rotate(45deg); opacity: 0;
}
#hitmarker::before, #hitmarker::after {
  content: ""; position: absolute; background: var(--text);
}
#hitmarker::before { top: 50%; left: 0; width: 100%; height: 3px; transform: translateY(-50%); }
#hitmarker::after  { left: 50%; top: 0; height: 100%; width: 3px; transform: translateX(-50%); }
#hitmarker.on { animation: hm .18s ease-out; }
@keyframes hm { 0% { opacity: 1; transform: translate(-50%,-50%) rotate(45deg) scale(.6);} 100% { opacity: 0; transform: translate(-50%,-50%) rotate(45deg) scale(1.4);} }

/* Bottom-left: health block */
#vitals { position: absolute; left: 22px; bottom: 22px; width: 260px; }
#vitals .label {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .18em;
  color: var(--text-mute); text-transform: uppercase; margin-bottom: 5px;
  display: flex; justify-content: space-between; align-items: baseline;
}
#hpNum { font-family: var(--f-mono); font-size: 26px; color: var(--text); line-height: 1; }
#hpNum .unit { font-size: 12px; color: var(--text-mute); }
#hpBar { height: 8px; margin-top: 7px; background: var(--surface); border: 1px solid var(--line); position: relative; overflow: hidden; }
#hpFill { position: absolute; inset: 0; right: auto; width: 100%;
  background: linear-gradient(90deg, var(--crimson-d), var(--crimson)); transition: width .12s linear; }

/* Bottom-right: ammo-ish weapon plate (cosmetic v0.1) */
#weapon { position: absolute; right: 22px; bottom: 22px; text-align: right; }
#weapon .wname { font-size: 15px; letter-spacing: .12em; color: var(--text-dim); text-transform: uppercase; }
#weapon .wtag  { font-family: var(--f-mono); font-size: 11px; color: var(--rust-2); letter-spacing: .2em; }

/* Top-left: match / scoreboard */
#board {
  position: absolute; left: 22px; top: 18px;
  font-family: var(--f-mono); font-size: 12px; color: var(--text-dim);
  letter-spacing: .1em; line-height: 1.7;
}
#board .k { color: var(--rust-2); }
#board .v { color: var(--text); }

/* Top-center: title watermark */
#brand {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  font-family: var(--f-display); font-weight: 700; letter-spacing: .42em;
  font-size: 15px; color: var(--text-dim); text-indent: .42em;
}
#brand b { color: var(--crimson); }

/* Top-right: connection pill */
#conn {
  position: absolute; right: 22px; top: 18px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-mute);
  display: flex; align-items: center; gap: 7px;
}
#conn .led { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 6px var(--warn); }
#conn.live .led { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
#conn.live { color: var(--text-dim); }

/* Kill feed */
#feed { position: absolute; right: 22px; top: 52px; text-align: right; display: flex; flex-direction: column; gap: 5px; }
#feed .row {
  font-family: var(--f-mono); font-size: 12px; color: var(--text-dim);
  background: rgba(20,13,6,.6); border-right: 2px solid var(--crimson);
  padding: 3px 9px; letter-spacing: .06em; animation: fadein .2s ease-out;
}
#feed .row .klr { color: var(--crimson-2); }
@keyframes fadein { from { opacity: 0; transform: translateX(12px);} to { opacity: 1; transform: none; } }

/* Center overlays: dead + start */
#center { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.panel {
  pointer-events: auto; text-align: center; background: rgba(10,7,4,.82);
  border: 1px solid var(--line); border-top: 2px solid var(--crimson);
  padding: 34px 46px; backdrop-filter: blur(3px); max-width: min(90vw, 460px);
}
.panel h1 {
  font-family: var(--f-display); font-weight: 700; letter-spacing: .34em;
  font-size: 40px; text-indent: .34em; margin-bottom: 6px;
}
.panel h1 b { color: var(--crimson); }
.panel .sub { font-family: var(--f-mono); font-size: 12px; color: var(--rust-2); letter-spacing: .24em; text-transform: uppercase; margin-bottom: 22px; }
.panel p { color: var(--text-dim); font-size: 14px; line-height: 1.65; margin-bottom: 22px; }
.panel .keys { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.panel .key {
  font-family: var(--f-mono); font-size: 12px; color: var(--text);
  border: 1px solid var(--line); background: var(--surface); padding: 6px 10px; letter-spacing: .08em;
}
.btn {
  font-family: var(--f-display); font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  font-size: 15px; color: var(--bg); background: var(--crimson);
  border: none; padding: 13px 34px; cursor: pointer; transition: transform .08s ease, background .15s ease;
}
.btn:hover { background: var(--crimson-2); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

#dead { display: none; }
#dead .big { font-family: var(--f-display); font-weight: 700; letter-spacing: .3em; font-size: 30px; color: var(--crimson); text-indent: .3em; }
#dead .re { font-family: var(--f-mono); color: var(--text-dim); letter-spacing: .2em; margin-top: 10px; font-size: 13px; }
#dead #reNum { color: var(--text); }

.hidden { display: none !important; }

/* Damage flash vignette */
#dmg { position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 130px rgba(255,45,45,.0); transition: box-shadow .08s ease; }
#dmg.on { box-shadow: inset 0 0 150px rgba(255,45,45,.55); }

/* Responsive (375px+) */
@media (max-width: 560px) {
  #vitals { width: 170px; left: 14px; bottom: 14px; }
  #weapon, #conn, #board, #brand { transform: none; }
  #brand { font-size: 12px; left: 14px; transform: none; }
  #conn, #feed { right: 14px; }
  #board { top: 40px; font-size: 11px; }
  .panel { padding: 24px 22px; }
  .panel h1 { font-size: 30px; }
}

#dbg { position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%); font-family: var(--f-mono); font-size: 11px; color: var(--rust-2); background: rgba(10,7,4,.6); padding: 3px 11px; letter-spacing: .05em; border: 1px solid var(--line); white-space: nowrap; }