/* Vibe Hacking // Infiltration Terminal — CRT/green-phosphor theme */
:root{
  --bg:#02060a; --bg2:#03100a;
  --green:#27ff8b; --green-dim:#1aa85c; --green-deep:#0c5e33;
  --amber:#ffcf4d; --red:#ff4d5e; --blue:#5cc8ff; --purple:#b07cff;
  --txt:#c8ffe0; --muted:#4f8c6b; --line:#0e3a26;
  --mono:'Fira Code','JetBrains Mono','SFMono-Regular',Consolas,'D2Coding',monospace;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:var(--mono);font-size:15px;line-height:1.5;
  overflow:hidden;
}
::selection{background:var(--green);color:#02060a}

/* matrix rain behind everything */
#rain{position:fixed;inset:0;width:100%;height:100%;z-index:0;opacity:.13;pointer-events:none}

/* CRT screen wrapper (kept translucent so the rain shows through) */
#screen{position:relative;z-index:1;display:flex;flex-direction:column;height:100vh;
  height:100dvh;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(10,40,24,.32), rgba(2,6,10,.42) 70%);
  text-shadow:0 0 4px rgba(39,255,139,.35);
}
/* scanlines + flicker */
.crt::before{content:"";position:fixed;inset:0;z-index:5;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,0) 0,rgba(0,0,0,0) 2px,rgba(0,0,0,.18) 3px,rgba(0,0,0,0) 4px);
  mix-blend-mode:multiply}
.crt::after{content:"";position:fixed;inset:0;z-index:6;pointer-events:none;
  box-shadow:inset 0 0 140px 30px rgba(0,0,0,.75);
  background:radial-gradient(120% 120% at 50% 50%,transparent 60%,rgba(0,0,0,.35));
  animation:flick 6s steps(60) infinite}
@keyframes flick{0%,97%{opacity:1}98%{opacity:.86}99%{opacity:.97}100%{opacity:1}}

/* ---- HUD ---- */
#hud{display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:8px 14px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,30,18,.9),rgba(2,8,5,.7));
  font-size:12px;letter-spacing:.5px;position:relative;z-index:7}
.hud-brand{color:var(--green);font-weight:700;letter-spacing:1px}
.hud-sep{color:var(--line)}
.hud-item{color:var(--muted)}
.hud-item b{color:var(--green);font-weight:700}
.hud-bar{flex:1;min-width:90px;height:7px;border:1px solid var(--line);border-radius:6px;
  background:#020a06;overflow:hidden}
#hudBar{display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--green-deep),var(--green));
  box-shadow:0 0 10px rgba(39,255,139,.7);transition:width .5s ease}
.hud-tools{display:flex;gap:6px}
.hud-btn{cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--muted);
  font-family:var(--mono);font-size:12px;padding:3px 9px;border-radius:6px;transition:.15s}
.hud-btn:hover{border-color:var(--green);color:var(--green);box-shadow:0 0 8px rgba(39,255,139,.35)}

/* ---- terminal output ---- */
#out{flex:1;overflow-y:auto;padding:18px 18px 8px;position:relative;z-index:7;
  scrollbar-width:thin;scrollbar-color:var(--green-deep) transparent}
#out::-webkit-scrollbar{width:8px}
#out::-webkit-scrollbar-thumb{background:var(--green-deep);border-radius:4px}
#out:focus{outline:none}
.line{white-space:pre-wrap;word-break:break-word;animation:fadein .12s ease both}
@keyframes fadein{from{opacity:0}to{opacity:1}}
.echo{color:var(--muted)}
.echo .p{color:var(--green-dim)}
.sys{color:var(--green-dim)}
.ok{color:var(--green)}
.warn{color:var(--amber)}
.err{color:var(--red);text-shadow:0 0 5px rgba(255,77,94,.5)}
.dim{color:var(--muted)}
.bold{font-weight:700;color:var(--txt)}
.kw{color:var(--blue)}
.cmd-h{color:var(--amber);font-weight:700}
.flagfmt{color:var(--purple)}
.line code,code{font-family:var(--mono);background:#031a10;border:1px solid var(--line);
  color:var(--green);padding:.05em .35em;border-radius:4px;word-break:break-all}

/* node / lock listings */
.tbl{margin:2px 0}
.tbl .row{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.tbl .id{color:var(--amber);min-width:74px}
.locked-row{color:var(--muted)}
.solved-row .id{color:var(--green)}

/* challenge box (cat <lock>) */
.cbox{border:1px solid var(--green-deep);border-radius:8px;margin:8px 0;
  background:rgba(4,20,12,.6);box-shadow:0 0 16px rgba(12,94,51,.25) inset}
.cbox .cbh{display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  padding:7px 12px;border-bottom:1px solid var(--green-deep);background:rgba(8,40,24,.5)}
.cbox .cbh .tag{color:var(--amber);font-weight:700}
.cbox .cbh .ct{color:var(--blue);font-size:12px}
.cbox .cbh .pt{margin-left:auto;color:var(--amber);font-size:12px}
.cbox .cbody{padding:11px 13px;white-space:pre-wrap}
.cbox .cfmt{padding:0 13px 10px;font-size:12px;color:var(--muted)}
.cbox .cfmt b{color:var(--purple);font-family:var(--mono)}
.cbox.solved{border-color:var(--green);box-shadow:0 0 20px rgba(39,255,139,.25) inset}

/* banners (ACCESS GRANTED / DENIED / BREACH) */
.banner{font-weight:700;white-space:pre;line-height:1.1;margin:6px 0;letter-spacing:1px}
.banner.grant{color:var(--green);text-shadow:0 0 10px rgba(39,255,139,.8);animation:pop .4s ease both}
.banner.deny{color:var(--red);text-shadow:0 0 10px rgba(255,77,94,.8);animation:glitch .35s steps(2) 2}
.banner.breach{color:var(--amber);text-shadow:0 0 12px rgba(255,207,77,.8);animation:pop .5s ease both}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes glitch{0%{transform:translateX(0)}25%{transform:translateX(-3px)}
  50%{transform:translateX(3px)}75%{transform:translateX(-2px)}100%{transform:translateX(0)}}

/* prompt highlight when a target is locked-on */
.targetline{color:var(--amber)}

/* ---- quick chips ---- */
#chips{display:flex;gap:6px;flex-wrap:wrap;padding:6px 14px;border-top:1px solid var(--line);
  background:rgba(3,12,8,.7);position:relative;z-index:7}
.chip{cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--muted);
  font-family:var(--mono);font-size:12px;padding:3px 10px;border-radius:14px;transition:.15s}
.chip:hover{border-color:var(--green);color:var(--green)}

/* ---- command line ---- */
#cmdline{display:flex;align-items:center;gap:8px;padding:11px 14px 14px;
  border-top:1px solid var(--line);background:rgba(3,14,9,.85);position:relative;z-index:7}
.ps1{color:var(--green);white-space:nowrap;font-weight:700}
#cmd{flex:1;background:transparent;border:none;outline:none;color:var(--txt);
  font-family:var(--mono);font-size:15px;caret-color:var(--green);text-shadow:inherit;min-width:0}
.caret{width:9px;height:18px;background:var(--green);box-shadow:0 0 8px rgba(39,255,139,.8);
  animation:blink 1s steps(1) infinite;margin-left:-6px;pointer-events:none}
@keyframes blink{50%{opacity:0}}

/* ---- responsive ---- */
@media(max-width:680px){
  body{font-size:14px}
  #hud{gap:8px 10px;padding:7px 10px;font-size:11px}
  .hud-item.hide-sm,.hud-sep{display:none}
  #out{padding:14px 12px 6px}
  #cmdline{padding:10px 12px 12px}
  #cmd{font-size:16px} /* avoid iOS zoom */
  .cbox .cbh .ct{flex-basis:100%}
}
@media(max-width:420px){
  .hud-brand{font-size:11px}
  .chip{font-size:11px;padding:3px 8px}
  .banner{font-size:11px}
}
@media(prefers-reduced-motion:reduce){
  .crt::after{animation:none}
  .caret{animation:none}
  #rain{display:none}
  .line,.banner{animation:none}
}