/* OC FPS — HUD + menus. All layout, no logic. */
:root{
  --ink:#d8f5ff; --dim:#7f9aa8; --warn:#ff5a4a; --good:#6df0c0; --accent:#54c8ff;
  --panel:rgba(6,12,18,.72); --edge:rgba(120,200,255,.28);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:#05080b;overflow:hidden;
  font-family:"Rajdhani","DIN Alternate","Segoe UI",system-ui,sans-serif;color:var(--ink)}
canvas#gl{position:fixed;inset:0;width:100%;height:100%;display:block}
.hidden{display:none !important}
#hud{position:fixed;inset:0;pointer-events:none;user-select:none;z-index:5}

/* ---------- crosshair ---------- */
#crosshair{position:absolute;left:50%;top:50%;width:128px;height:128px;margin:-64px 0 0 -64px;
  filter:drop-shadow(0 0 3px rgba(0,0,0,.9));opacity:.92}
#hitmarker{position:absolute;left:50%;top:50%;width:40px;height:40px;margin:-20px 0 0 -20px;
  opacity:0;transform:scale(1.4);transition:opacity .09s linear, transform .09s ease-out}
#hitmarker.on{opacity:1;transform:scale(1)}
#hitmarker.kill svg g{stroke:var(--warn)}

/* ---------- damage / chapter flashes ---------- */
#dmg-vignette{position:absolute;inset:0;opacity:0;
  background:radial-gradient(ellipse at center,rgba(255,0,0,0) 42%,rgba(190,10,10,.85) 100%)}
#chapter-flash{position:absolute;inset:0;opacity:0;background:#fff;mix-blend-mode:screen}

/* ---------- compass ---------- */
#compass{position:absolute;left:50%;top:18px;width:420px;height:26px;margin-left:-210px;
  overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 18%,#000 82%,transparent)}
#compass-strip{position:absolute;top:0;left:0;height:26px;white-space:nowrap;font-size:13px;
  letter-spacing:2px;color:var(--dim)}
#compass-strip .cd{position:absolute;top:4px;transform:translateX(-50%)}
#compass-strip .cd.card{color:var(--ink);font-weight:700;font-size:15px}
#compass-strip .cd.obj{color:var(--good)}
#compass-needle{position:absolute;left:50%;top:0;width:2px;height:26px;margin-left:-1px;
  background:linear-gradient(180deg,var(--accent),transparent)}

/* ---------- objective ---------- */
#objective-box{position:absolute;left:24px;top:22px;min-width:260px;padding:10px 14px;
  background:var(--panel);border-left:2px solid var(--accent);backdrop-filter:blur(3px)}
#objective-chapter{font-size:11px;letter-spacing:4px;color:var(--accent)}
#objective-text{font-size:17px;font-weight:600;margin-top:2px}
#objective-progress{margin-top:6px;height:3px;background:rgba(255,255,255,.12)}
#objective-progress i{display:block;height:100%;width:0%;background:var(--good);transition:width .25s}

/* ---------- kill feed ---------- */
#killfeed{position:absolute;right:24px;top:22px;width:280px;text-align:right;font-size:14px}
#killfeed div{padding:3px 8px;margin-bottom:4px;background:var(--panel);
  border-right:2px solid var(--warn);opacity:1;transition:opacity .4s}
#killfeed div.fade{opacity:0}
#killfeed b{color:var(--accent)}
#killfeed i{color:var(--warn);font-style:normal}

/* ---------- vitals ---------- */
#vitals{position:absolute;left:28px;bottom:28px;width:230px}
.vt-label{font-size:11px;letter-spacing:4px;color:var(--dim)}
#hp-bar{height:9px;background:rgba(255,255,255,.10);margin-top:4px;overflow:hidden}
#hp-bar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--good),var(--accent));
  transition:width .18s}
#hp-bar.low i{background:linear-gradient(90deg,#ff3b2f,#ff9a3c)}
#hp-num{font-size:30px;font-weight:700;line-height:1;margin-top:4px}

/* ---------- ammo ---------- */
#ammo-box{position:absolute;right:28px;bottom:28px;text-align:right;min-width:220px}
#weapon-name{font-size:12px;letter-spacing:4px;color:var(--dim)}
#ammo-line{font-size:40px;font-weight:700;line-height:1}
#ammo-mag.empty{color:var(--warn)}
#ammo-sep,#ammo-res{font-size:20px;color:var(--dim)}
#reload-bar{height:3px;background:rgba(255,255,255,.12);margin-top:5px;opacity:0;transition:opacity .15s}
#reload-bar.on{opacity:1}
#reload-bar i{display:block;height:100%;width:0%;background:var(--accent)}
#weapon-slots{margin-top:7px;display:flex;gap:6px;justify-content:flex-end}
#weapon-slots span{width:24px;height:24px;line-height:23px;text-align:center;font-size:13px;
  background:var(--panel);border:1px solid var(--edge);color:var(--dim)}
#weapon-slots span.on{color:#04121a;background:var(--accent);border-color:var(--accent);font-weight:700}

/* ---------- subtitle / toast ---------- */
#subtitle{position:absolute;left:50%;bottom:120px;transform:translateX(-50%);max-width:70%;
  text-align:center;font-size:19px;opacity:0;transition:opacity .4s;text-shadow:0 2px 10px #000}
#subtitle.on{opacity:1}
#subtitle b{color:var(--accent);font-weight:700}
#toast{position:absolute;left:50%;top:30%;transform:translateX(-50%);text-align:center;
  font-size:15px;letter-spacing:3px;color:var(--good);opacity:0;transition:opacity .5s}
#toast.on{opacity:1}

/* ---------- F3 ---------- */
#f3{position:fixed;left:0;top:0;z-index:9;padding:8px 12px;background:rgba(2,6,10,.82);
  border-right:1px solid var(--edge);border-bottom:1px solid var(--edge);pointer-events:none}
#f3 pre{margin:0;font:12px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;color:#a8f0c8;white-space:pre}

/* ---------- menu ---------- */
#menu{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(ellipse at 50% 40%,#0d1b26,#04070a 70%)}
#menu.hidden{display:none}
#menu-card{width:min(880px,92vw);padding:34px 38px;background:rgba(8,14,20,.86);
  border:1px solid var(--edge);box-shadow:0 30px 90px rgba(0,0,0,.7)}
#menu-card h1{margin:0;font-size:52px;letter-spacing:10px;font-weight:800}
#menu-card h1 span{color:var(--accent)}
#menu-card .sub{margin:2px 0 18px;color:var(--dim);letter-spacing:2px;font-size:14px}
#chapter-select{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:16px}
.chip{padding:9px 4px;text-align:center;background:rgba(255,255,255,.04);border:1px solid var(--edge);
  cursor:pointer;transition:.15s}
.chip b{display:block;font-size:15px;letter-spacing:2px}
.chip small{display:block;font-size:10px;color:var(--dim);letter-spacing:1px}
.chip:hover{background:rgba(84,200,255,.12)}
.chip.on{background:var(--accent);color:#04121a;border-color:var(--accent)}
.chip.on small{color:#04121a}
#btn-start{width:100%;padding:15px;font-size:18px;letter-spacing:5px;font-weight:700;cursor:pointer;
  color:#04121a;background:var(--accent);border:0;transition:.15s}
#btn-start:hover{background:#8adcff}
#menu-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:20px}
#menu-cols h3{margin:0 0 8px;font-size:12px;letter-spacing:4px;color:var(--accent)}
#menu-cols ul{margin:0;padding-left:16px;color:var(--dim);font-size:14px;line-height:1.7}
#menu-cols b{color:var(--ink)}
#options{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--dim)}
#options label{display:flex;align-items:center;gap:8px;cursor:pointer}
#options input[type=range]{flex:1;accent-color:var(--accent)}
#options input[type=checkbox]{accent-color:var(--accent)}
#options .val{width:38px;text-align:right;color:var(--ink)}
#loading{margin-top:14px;font-size:12px;letter-spacing:2px;color:var(--dim)}

/* ---------- journal ---------- */
#journal{position:fixed;inset:0;z-index:22;display:flex;align-items:center;justify-content:center;
  background:rgba(3,7,11,.9)}
#journal-card{width:min(720px,92vw);max-height:80vh;overflow:auto;padding:28px 32px;
  background:rgba(8,14,20,.95);border:1px solid var(--edge)}
#journal-card h2{margin:0 0 14px;letter-spacing:6px;font-size:22px}
.jentry{padding:12px 0;border-top:1px solid rgba(255,255,255,.08)}
.jentry h4{margin:0 0 4px;font-size:15px;letter-spacing:2px;color:var(--accent)}
.jentry p{margin:0;color:var(--dim);font-size:14px;line-height:1.6}
.jentry.locked h4{color:#42555f}
#journal-close{margin-top:16px;padding:10px 18px;background:none;border:1px solid var(--edge);
  color:var(--ink);cursor:pointer;letter-spacing:3px}

/* ---------- endcard ---------- */
#endcard{position:fixed;inset:0;z-index:21;display:flex;align-items:center;justify-content:center;
  background:rgba(2,5,8,.92);text-align:center}
#endcard-inner{max-width:640px;padding:30px}
#endcard h2{font-size:40px;letter-spacing:8px;margin:0 0 10px}
#endcard p{color:var(--dim);font-size:16px;line-height:1.7}
#endcard button{margin-top:18px;padding:12px 26px;background:var(--accent);border:0;color:#04121a;
  font-weight:700;letter-spacing:4px;cursor:pointer}