/* AIANDGRACE — Star Route: Signal War styles.
   Monochrome signal-sky identity with one restrained red danger accent.
   Classic Star Route (game.css) is untouched; this file is independent. */
:root{
  --bg:#000000;
  --ink:#FFFFFF;
  --ink-dim:#A6A6A6;
  --line:#FFFFFF;
  --danger:#FF3B3B; /* the single controlled danger accent */
  --gold:#C7A44A;
  --bifrost:#9FE8FF;
}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{height:100%;background:#000;overflow:hidden;}
body{
  font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  color:var(--ink);
  -webkit-user-select:none;user-select:none;
  -webkit-tap-highlight-color:transparent;
}
#wrap{position:fixed;inset:0;height:100vh;height:100dvh;touch-action:pinch-zoom;}
canvas{display:block;width:100%;height:100%;image-rendering:pixelated;image-rendering:crisp-edges;touch-action:pinch-zoom;}

/* retro screen: faint scanlines + soft vignette, never blocks input */
#crt{
  position:absolute;inset:0;pointer-events:none;z-index:5;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,0.30) 0px, rgba(0,0,0,0.30) 1px, transparent 1px, transparent 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.50) 100%);
}

/* ---------- HUD ---------- */
#hud{position:absolute;inset:0;pointer-events:none;z-index:6;}
#hud[aria-hidden="true"]{display:none;}
.hud-top{
  position:absolute;left:12px;right:12px;top:calc(10px + env(safe-area-inset-top, 0px));
  display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex-wrap:wrap;
}
.hud-left,.hud-right{display:flex;flex-direction:column;gap:4px;}
.hud-right{align-items:flex-end;text-align:right;}
.hud-score{font-size:18px;letter-spacing:3px;color:var(--ink);}
.hud-best{font-size:9px;letter-spacing:2px;color:var(--ink-dim);}
.hud-mult{font-size:11px;letter-spacing:2px;color:var(--ink-dim);}
.hud-mult.hot{color:var(--ink);}
.hud-ship{font-size:9px;letter-spacing:2px;color:var(--ink-dim);}
.hud-shields{display:flex;gap:4px;margin-top:2px;justify-content:flex-end;flex-wrap:wrap;max-width:150px;}
.shield-cell{
  width:12px;height:12px;border:1px solid var(--ink);
  background:var(--ink);
}
.shield-cell.empty{background:transparent;border-color:var(--ink-dim);}
.hud-shields.critical .shield-cell:not(.empty){background:var(--danger);border-color:var(--danger);}
.controls{
  position:absolute;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom, 0px));
  display:flex;gap:8px;flex-wrap:wrap;pointer-events:auto;max-width:100%;
}
.ctl{
  font-family:inherit;font-size:10px;letter-spacing:2px;color:var(--ink-dim);
  background:rgba(5,5,5,.5);border:1px solid var(--line);border-radius:0;
  padding:12px 10px;cursor:pointer;min-height:44px;min-width:44px;
}
.ctl:hover{color:#000;background:var(--ink);border-color:var(--ink);}

/* wave / upgrade banner — brief, never blocking */
#banner{
  position:absolute;left:50%;top:32%;transform:translate(-50%,-50%);
  text-align:center;opacity:0;transition:opacity .35s ease;max-width:86%;
}
#banner .banner-kicker{font-size:9px;letter-spacing:4px;color:var(--ink-dim);margin-bottom:6px;}
#banner .banner-text{font-size:17px;letter-spacing:4px;color:var(--ink);line-height:1.5;}
#banner.show{opacity:1;}
#banner.upgrade .banner-text{text-shadow:0 0 12px rgba(255,255,255,0.55);}

/* ---------- start overlay ---------- */
#overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  background:radial-gradient(circle at 22% 50%,rgba(13,25,31,.58),rgba(0,0,0,.78) 42%,rgba(0,0,0,.90) 100%);pointer-events:auto;transition:opacity .5s ease;
  padding:24px;z-index:8;overflow-y:auto;
}
#overlay.hidden{opacity:0;pointer-events:none;visibility:hidden;}
.studio{font-size:9px;letter-spacing:5px;text-indent:5px;color:var(--ink-dim);margin-bottom:10px;}
.brand{font-size:15px;letter-spacing:8px;color:var(--ink);margin-bottom:6px;}
.brand-war{font-size:20px;letter-spacing:6px;color:var(--ink);margin-bottom:14px;}
.brand-war .accent{color:var(--danger);}
.rule{width:46px;height:1px;background:var(--line);margin:0 0 14px;}
.phrase{font-size:13px;letter-spacing:1px;color:var(--ink);opacity:.9;margin-bottom:8px;line-height:1.6;max-width:320px;}
.phrase.sub{font-size:11px;letter-spacing:1px;color:var(--ink-dim);opacity:1;margin-bottom:12px;}
.returnline{font-size:10px;letter-spacing:2px;color:var(--ink-dim);margin-bottom:18px;min-height:12px;line-height:1.6;}

/* callsign */
.callsign{display:flex;flex-direction:column;align-items:center;gap:7px;margin-bottom:18px;pointer-events:auto;}
.callsign label{font-size:9px;letter-spacing:3px;color:var(--ink-dim);}
.callsign label span{opacity:.6;}
#callsignInput{
  font-family:inherit;font-size:14px;letter-spacing:4px;text-align:center;text-transform:uppercase;
  color:var(--ink);background:rgba(5,5,5,.6);border:1px solid var(--line);border-radius:0;
  padding:9px 10px;width:170px;caret-color:var(--ink);
}
#callsignInput:focus{outline:none;border-color:var(--ink);}
#callsignInput::placeholder{color:var(--ink-dim);letter-spacing:3px;opacity:.5;}

/* sensitivity + toggles */
.senslabel{font-size:9px;letter-spacing:3px;color:var(--ink-dim);margin-bottom:8px;}
.sens{display:flex;gap:6px;margin-bottom:14px;pointer-events:auto;}
.sens-opt{
  font-family:inherit;background:transparent;cursor:pointer;
  font-size:11px;letter-spacing:2px;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:0;padding:12px 14px;min-height:44px;min-width:44px;
}
.sens-opt.on{color:#000000;background:var(--ink);border-color:var(--ink);}
.toggles{display:flex;gap:6px;margin-bottom:22px;pointer-events:auto;}
.toggle-opt{
  font-family:inherit;background:transparent;cursor:pointer;
  font-size:10px;letter-spacing:2px;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:0;padding:12px 14px;min-height:44px;min-width:44px;
}
.toggle-opt[aria-pressed="true"]{color:#000000;background:var(--ink);border-color:var(--ink);}

#startBtn{
  font-family:inherit;font-size:12px;letter-spacing:3px;color:#000000;
  display:flex;flex-direction:column;align-items:center;gap:4px;
  background:var(--ink);border:1px solid var(--line);border-radius:0;
  padding:14px 26px;cursor:pointer;min-height:44px;min-width:230px;
  margin-top:2px;pointer-events:auto;-webkit-appearance:none;appearance:none;
  line-height:1.2;overflow:visible;
}
#startBtn:hover,#startBtn:focus-visible{background:#000000;color:var(--ink);}
.start-main{display:block;font-size:13px;letter-spacing:4px;font-weight:700;line-height:1.25;}
.start-sub{display:block;font-size:8px;letter-spacing:3px;opacity:.68;line-height:1.35;}
.hint{font-size:11px;letter-spacing:3px;color:var(--ink-dim);animation:pulse 2.4s ease-in-out infinite;margin-top:12px;max-width:calc(100vw - 32px);line-height:1.7;}
@keyframes pulse{0%,100%{opacity:.3;}50%{opacity:.8;}}
.overlay-links{display:flex;flex-direction:column;gap:2px;margin-top:14px;}
.returnhome{
  pointer-events:auto;display:inline-flex;align-items:center;justify-content:center;
  font-size:10px;letter-spacing:2px;color:var(--ink-dim);text-decoration:none;
  border:1px solid transparent;padding:12px 14px;min-height:44px;min-width:44px;
}
.returnhome:hover,.returnhome:focus-visible{color:var(--ink);border-color:var(--ink-dim);}

/* ---------- pause & end overlays ---------- */
.modal{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  background:rgba(0,0,0,.84);pointer-events:auto;transition:opacity .3s ease;
  padding:24px;z-index:9;overflow-y:auto;
}
.modal.hidden{opacity:0;pointer-events:none;visibility:hidden;}
.menu{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.mbtn{
  font-family:inherit;font-size:12px;letter-spacing:3px;color:var(--ink);
  background:rgba(5,5,5,.6);border:1px solid var(--line);border-radius:0;
  padding:12px 22px;cursor:pointer;min-width:250px;min-height:44px;
}
.mbtn:hover{border-color:var(--ink);background:rgba(20,20,20,.7);}
.mbtn.warm{color:#000;background:var(--ink);font-weight:bold;}
.mbtn.warm:hover{color:var(--ink);background:#000;}
.linkbtn{text-decoration:none;display:flex;align-items:center;justify-content:center;}
.endstats{margin-top:16px;}
.score-line{font-size:24px;letter-spacing:5px;color:var(--ink);margin-bottom:8px;}
.best-line{font-size:12px;letter-spacing:3px;color:var(--ink-dim);margin-bottom:8px;}
.ship-line{font-size:11px;letter-spacing:3px;color:var(--ink-dim);margin-bottom:8px;}
.newbest-line{font-size:12px;letter-spacing:4px;color:var(--ink);display:none;animation:pulse 2s ease-in-out infinite;}
.newbest-line.show{display:block;}
#endTitle{color:var(--danger);}

:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}

/* screen-reader-only content */
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* reduced motion: no nonessential animation */
@media (prefers-reduced-motion: reduce){
  .hint,.newbest-line{animation:none;opacity:.6;}
  #overlay,.modal,#banner{transition:none;}
}

/* short screens (e.g. 320x568): tighten vertical rhythm so the start screen fits */
@media (max-height:640px){
  #overlay{padding:12px;justify-content:flex-start;padding-top:20px;}
  #overlay .rule{margin:8px 0;}
  #overlay .phrase{margin-bottom:5px;}
  .callsign{margin-bottom:10px;}
  .sens{margin-bottom:10px;}
  .toggles{margin-bottom:14px;}
  #startBtn{margin-top:2px;padding:11px 22px;}
  .hint{margin-top:8px;}
  .overlay-links{margin-top:8px;}
}
@media (max-width:380px){
  .brand-war{font-size:16px;letter-spacing:4px;}
  .mbtn{min-width:210px;}
}

/* Phone layout: Safari's toolbars leave a much shorter visual viewport. */
@media (max-width:600px){
  #overlay{
    justify-content:flex-start;
    padding:calc(18px + env(safe-area-inset-top,0px)) 16px
            calc(24px + env(safe-area-inset-bottom,0px));
    overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch;
  }
  .studio{margin-bottom:8px;}
  .brand{font-size:14px;letter-spacing:7px;margin-bottom:4px;}
  .brand-war{font-size:19px;letter-spacing:5px;margin-bottom:10px;}
  .subtitle{max-width:100%;font-size:8px;letter-spacing:3px;line-height:1.6;}
  #overlay .rule{margin-bottom:10px;}
  #overlay .phrase{max-width:100%;font-size:12px;line-height:1.55;margin-bottom:7px;}
  #overlay .phrase.sub{font-size:10px;line-height:1.55;margin-bottom:8px;}
  .returnline{margin-bottom:8px;}
  .callsign{margin-bottom:12px;}
  #callsignInput{width:min(100%,292px);min-height:52px;}
  .sens{width:100%;max-width:310px;gap:8px;}
  .sens-opt{flex:1;min-width:0;padding:12px 8px;}
  .toggles{width:100%;max-width:310px;margin-bottom:16px;gap:8px;}
  .toggle-opt{flex:1;min-width:0;padding:12px 8px;}
  #startBtn{width:100%;max-width:366px;min-width:0;padding:14px 18px 15px;}
  .hint{width:100%;white-space:normal;overflow-wrap:break-word;}
  .overlay-links{width:100%;max-width:366px;margin-top:10px;}
  .returnhome{width:100%;padding:10px 8px;white-space:normal;line-height:1.5;}
}

@media (pointer:coarse) and (max-width:600px){
  #overlay > .hint:not(.hint-touch):not(.hint-controls){display:none;}
  .hint-controls{margin-top:10px;}
  .hint-touch{margin-top:8px;}
}

/* ---------- power-up HUD, missile lock, touch hint (Web 1.0) ---------- */
.hud-power{margin-top:5px;display:flex;flex-direction:column;gap:3px;}
.hud-power-line{font-size:10px;letter-spacing:2px;color:var(--ink);}
.hud-power-line[hidden]{display:none;}
#hudPower{color:var(--gold);}
#lockWarn{
  position:absolute;left:50%;top:calc(16% + env(safe-area-inset-top,0px));
  transform:translateX(-50%);
  color:var(--danger);font-size:12px;letter-spacing:5px;text-indent:5px;
  animation:lockpulse .5s ease-in-out infinite alternate;
  pointer-events:none;
}
#lockWarn[hidden]{display:none;}
@keyframes lockpulse{from{opacity:.35;}to{opacity:1;}}
#touchHint{
  position:absolute;left:50%;bottom:22%;transform:translateX(-50%);
  font-size:10px;letter-spacing:2px;color:var(--ink-dim);
  text-align:center;max-width:90%;pointer-events:none;
}
#touchHint[hidden]{display:none;}
.sens-desc{font-size:9px;letter-spacing:2px;color:var(--ink-dim);margin:-8px 0 14px;min-height:11px;}
.hint-touch{animation:none;opacity:.45;margin-top:6px;font-size:10px;letter-spacing:2px;max-width:320px;line-height:1.7;}
@media (prefers-reduced-motion: reduce){
  #lockWarn{animation:none;opacity:1;}
}
@media (max-height:640px){
  .sens-desc{margin:-4px 0 8px;}
}

/* ---------- Odinworld: prologue, subtitle, replay button ---------- */
.subtitle{font-size:9px;letter-spacing:4px;text-indent:4px;color:var(--ink-dim);margin:-8px 0 12px;}
.prologue{justify-content:center;}
.prologue .subtitle{margin:4px 0 12px;}
.prologue-lines{max-width:340px;margin-bottom:22px;}
.prologue-line{
  font-size:12px;letter-spacing:1.5px;line-height:1.9;color:var(--ink);
  margin-bottom:14px;opacity:0;animation:prologuein .8s ease forwards;
}
.prologue-line:nth-child(1){animation-delay:.2s;}
.prologue-line:nth-child(2){animation-delay:1.1s;}
.prologue-line:nth-child(3){animation-delay:2.0s;}
.prologue-line:nth-child(4){animation-delay:2.9s;}
.prologue-line:nth-child(5){animation-delay:3.8s;}
.prologue-line:nth-child(6){animation-delay:4.7s;}
.prologue-line.accent-line{color:#9FE8FF;letter-spacing:3px;}
@keyframes prologuein{to{opacity:1;}}
.returnhome-btn{
  font-family:inherit;background:transparent;cursor:pointer;
  border:1px solid transparent;
}
@media (prefers-reduced-motion: reduce){
  .prologue-line{animation:none;opacity:1;}
}
@media (max-height:640px){
  .prologue-lines{margin-bottom:12px;}
  .prologue-line{margin-bottom:8px;line-height:1.6;}
}


/* ---------- Divine Odin mythology identity pass ---------- */
.odin-sigil{
  position:relative;width:92px;height:50px;margin:-4px 0 12px;
  opacity:.92;filter:drop-shadow(0 0 12px rgba(159,232,255,.22));
}
.odin-sigil::before,.odin-sigil::after{
  content:"";position:absolute;left:50%;top:50%;width:42px;height:42px;
  border:1px solid var(--gold);transform:translate(-50%,-50%) rotate(45deg);
}
.odin-sigil::after{width:28px;height:28px;border-color:rgba(159,232,255,.8);transform:translate(-50%,-50%) rotate(45deg);}
.sigil-eye{
  position:absolute;left:50%;top:50%;width:9px;height:9px;background:var(--bifrost);
  transform:translate(-50%,-50%);box-shadow:0 0 12px rgba(159,232,255,.9);z-index:2;
}
.sigil-spear{
  position:absolute;left:6px;right:6px;top:24px;height:2px;background:linear-gradient(90deg,transparent,var(--gold) 14%,var(--gold) 86%,transparent);
}
.sigil-spear::after{
  content:"";position:absolute;right:-2px;top:-4px;border-left:9px solid #fff;border-top:5px solid transparent;border-bottom:5px solid transparent;
}
.hud-top::before{
  content:"";position:absolute;left:-4px;right:-4px;top:-4px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(199,164,74,.55),transparent);pointer-events:none;
}
.hud-ship{color:var(--gold);text-shadow:0 0 8px rgba(199,164,74,.22);}
.hud-power-line{border-left:1px solid rgba(199,164,74,.55);padding-left:7px;}
#banner.show .banner-text{text-shadow:0 0 12px rgba(159,232,255,.3);}
#overlay .phrase:first-of-type{text-transform:uppercase;letter-spacing:2px;}
@media (max-height:700px){.odin-sigil{width:70px;height:34px;margin:-4px 0 5px}.odin-sigil::before{width:30px;height:30px}.odin-sigil::after{width:20px;height:20px}.sigil-spear{top:16px}}

/* Larger shield capacity (mode bonus + divine form) must still fit a phone HUD. */
@media (max-width:600px){
  .hud-shields{gap:3px;max-width:112px;}
  .shield-cell{width:9px;height:9px;}
}

/* Static control-support line on the start screen (presentation only) */
.hint-controls{animation:none;opacity:.72;margin-top:14px;font-size:10px;letter-spacing:2.4px;
  color:var(--ink);max-width:340px;line-height:1.7;overflow-wrap:break-word;}