/* ============================================================
   Nova Wing — neon arcade shell
   ============================================================ */

:root{
  --bg:#05030f;
  --ink:#e8f4ff;
  --muted:#7e8aa8;
  --cyan:#37f5ff;
  --magenta:#ff3bd4;
  --violet:#8b5cff;
  --gold:#ffcc33;
  --danger:#ff4d6d;
  --panel:rgba(10,8,28,.82);
  --edge:rgba(120,200,255,.22);
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px);
  --safe-r:env(safe-area-inset-right,0px);
  --font:"Chakra Petch","Rajdhani","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;margin:0;padding:0;overflow:hidden;background:var(--bg);}
body{
  font-family:var(--font);
  color:var(--ink);
  overscroll-behavior:none;
  touch-action:none;
  user-select:none;
  -webkit-user-select:none;
  text-rendering:optimizeSpeed;
}

#app{position:fixed;inset:0;overflow:hidden;background:radial-gradient(120% 90% at 50% 0%,#140b33 0%,#07051a 45%,#03020c 100%);}
#game{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;}

/* ---------- full-screen CRT-ish overlays ---------- */
#fx-vignette{position:absolute;inset:0;pointer-events:none;z-index:3;
  background:radial-gradient(115% 80% at 50% 45%,transparent 55%,rgba(2,0,12,.72) 100%);}
#fx-scanlines{position:absolute;inset:0;pointer-events:none;z-index:4;opacity:.16;
  background:repeating-linear-gradient(to bottom,rgba(255,255,255,.14) 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;}
body.low-fx #fx-scanlines{display:none;}

/* ============================================================
   HUD
   ============================================================ */
/* Tracks the canvas playfield rect (set from JS), so on a letterboxed desktop
   view the HUD hugs the play area instead of the whole window. */
#hud{position:absolute;z-index:6;pointer-events:none;
  left:var(--field-left,0px);top:var(--field-top,0px);
  width:var(--field-w,100%);height:var(--field-h,100%);
  padding:calc(var(--safe-t) + 8px) calc(var(--safe-r) + 12px) calc(var(--safe-b) + 8px) calc(var(--safe-l) + 12px);}
#hud.hidden{display:none;}

.hud-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;}
.hud-block{display:flex;flex-direction:column;line-height:1;min-width:66px;}
.hud-center{align-items:center;}
.hud-right{align-items:flex-end;}
.hud-label{font-size:9px;letter-spacing:.22em;color:var(--muted);margin-bottom:3px;}
.hud-value{font-family:var(--mono);font-size:19px;font-weight:700;letter-spacing:.04em;
  color:var(--ink);text-shadow:0 0 10px rgba(55,245,255,.55);}
.hud-center .hud-value{color:var(--cyan);}
.hud-right .hud-value{color:var(--muted);font-size:15px;text-shadow:none;}
.hud-value.bump{animation:bump .22s ease-out;}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.22);color:var(--gold)}100%{transform:scale(1)}}

.hud-second{display:flex;align-items:center;justify-content:space-between;margin-top:7px;gap:10px;}
.hud-lives{display:flex;gap:5px;align-items:center;height:16px;}
.life-pip{width:13px;height:15px;background:var(--cyan);
  clip-path:polygon(50% 0,100% 78%,72% 100%,50% 84%,28% 100%,0 78%);
  filter:drop-shadow(0 0 6px rgba(55,245,255,.85));}
.life-pip.extra{background:var(--gold);filter:drop-shadow(0 0 6px rgba(255,204,51,.85));}

.hud-combo{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--magenta);
  text-shadow:0 0 12px rgba(255,59,212,.8);opacity:0;transition:opacity .18s;}
.hud-combo.on{opacity:1;}

.icon-btn{pointer-events:auto;background:rgba(12,10,32,.6);border:1px solid var(--edge);
  color:var(--ink);border-radius:10px;width:40px;height:32px;font-size:11px;letter-spacing:2px;
  display:grid;place-items:center;padding:0;backdrop-filter:blur(6px);}
.icon-btn:active{background:rgba(55,245,255,.2);}

.hud-powerups{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px;max-width:70%;}
.pu-chip{display:flex;align-items:center;gap:4px;font-size:9.5px;letter-spacing:.1em;font-weight:700;
  padding:3px 7px;border-radius:999px;background:rgba(10,8,30,.72);border:1px solid currentColor;
  position:relative;overflow:hidden;}
.pu-chip .pu-bar{position:absolute;left:0;bottom:0;height:2px;background:currentColor;opacity:.85;}
.pu-chip span{color:var(--ink);}
.pu-chip.expiring{animation:blink .4s steps(2,end) infinite;}
@keyframes blink{50%{opacity:.35}}

.hud-banner{position:absolute;left:0;right:0;top:34%;text-align:center;pointer-events:none;}
.hud-banner b{display:block;font-size:34px;font-weight:800;letter-spacing:.1em;
  color:var(--ink);text-shadow:0 0 24px var(--cyan),0 0 60px rgba(55,245,255,.5);}
.hud-banner i{display:block;font-style:normal;font-size:12px;letter-spacing:.4em;color:var(--cyan);margin-top:6px;}
.hud-banner.show{animation:bannerIn 1.9s ease-out forwards;}
@keyframes bannerIn{
  0%{opacity:0;transform:scale(.75) translateY(10px);filter:blur(6px)}
  16%{opacity:1;transform:scale(1) translateY(0);filter:blur(0)}
  74%{opacity:1;transform:scale(1)}
  100%{opacity:0;transform:scale(1.08)}
}

.bomb-wrap{position:absolute;right:calc(var(--safe-r) + 16px);bottom:calc(var(--safe-b) + 22px);}
.bomb-btn{pointer-events:auto;width:60px;height:60px;border-radius:50%;
  background:radial-gradient(circle at 40% 35%,rgba(255,204,51,.32),rgba(10,6,28,.85));
  border:1.5px solid var(--gold);color:var(--gold);display:grid;place-items:center;
  box-shadow:0 0 22px rgba(255,204,51,.28);backdrop-filter:blur(4px);}
.bomb-btn:disabled{opacity:.28;border-color:var(--muted);color:var(--muted);box-shadow:none;}
.bomb-btn:active:not(:disabled){transform:scale(.92);}
.bomb-icon{font-size:23px;line-height:1;}
.bomb-count{position:absolute;bottom:8px;font-size:10px;font-family:var(--mono);font-weight:700;}

.toast-stack{position:absolute;left:0;right:0;top:46%;display:flex;flex-direction:column;
  align-items:center;gap:6px;pointer-events:none;}
.toast{background:rgba(8,6,24,.9);border:1px solid var(--edge);border-radius:999px;
  padding:6px 16px;font-size:11px;letter-spacing:.16em;font-weight:700;
  animation:toastIn 2.2s ease-out forwards;white-space:nowrap;}
.toast.gold{border-color:var(--gold);color:var(--gold);box-shadow:0 0 20px rgba(255,204,51,.3);}
@keyframes toastIn{0%{opacity:0;transform:translateY(14px) scale(.9)}12%{opacity:1;transform:none}
  80%{opacity:1}100%{opacity:0;transform:translateY(-12px)}}

/* ============================================================
   Screens
   ============================================================ */
.screen{position:absolute;inset:0;z-index:10;display:none;
  align-items:center;justify-content:center;
  padding:calc(var(--safe-t) + 16px) calc(var(--safe-r) + 18px) calc(var(--safe-b) + 16px) calc(var(--safe-l) + 18px);
  background:linear-gradient(180deg,rgba(4,2,14,.86),rgba(4,2,14,.94));
  backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);overflow-y:auto;overscroll-behavior:contain;}
.screen.active{display:flex;animation:fadeIn .22s ease-out;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.screen-inner{width:100%;max-width:330px;text-align:center;margin:auto;}
.screen-inner.wide{max-width:430px;}

.logo{margin:0 0 2px;font-size:clamp(40px,13vw,62px);font-weight:800;letter-spacing:.02em;line-height:.92;}
.logo-nova{display:block;color:#fff;text-shadow:0 0 18px var(--cyan),0 0 46px rgba(55,245,255,.55);}
.logo-wing{display:block;color:var(--magenta);text-shadow:0 0 18px var(--magenta),0 0 52px rgba(255,59,212,.45);}
.tagline{margin:6px 0 20px;font-size:10px;letter-spacing:.42em;color:var(--muted);}
.title-best{display:flex;justify-content:center;gap:10px;align-items:baseline;margin-bottom:20px;
  font-size:10px;letter-spacing:.24em;color:var(--muted);}
.title-best b{font-family:var(--mono);font-size:21px;color:var(--gold);letter-spacing:0;
  text-shadow:0 0 14px rgba(255,204,51,.5);}

.screen-title{font-size:20px;letter-spacing:.3em;margin:0 0 16px;font-weight:700;
  color:var(--cyan);text-shadow:0 0 18px rgba(55,245,255,.5);}
.sub-title{font-size:11px;letter-spacing:.28em;color:var(--muted);margin:22px 0 10px;font-weight:700;}

.menu{display:flex;flex-direction:column;gap:9px;margin-top:18px;}
.menu-row{display:flex;gap:9px;}
.menu-row .btn{flex:1;min-width:0;font-size:12px;letter-spacing:.12em;padding:14px 8px;white-space:nowrap;}

.btn{appearance:none;font-family:var(--font);font-weight:700;font-size:13px;letter-spacing:.2em;
  color:var(--ink);background:rgba(16,12,40,.72);border:1px solid var(--edge);border-radius:12px;
  padding:14px 18px;transition:transform .1s,background .15s,border-color .15s;min-height:48px;cursor:pointer;}
.btn:active{transform:scale(.97);background:rgba(55,245,255,.14);}
.btn-primary{background:linear-gradient(120deg,rgba(55,245,255,.2),rgba(255,59,212,.22));
  border-color:rgba(55,245,255,.6);box-shadow:0 0 26px rgba(55,245,255,.22);font-size:15px;letter-spacing:.28em;}
.btn-ghost{background:transparent;border-color:rgba(126,138,168,.32);color:var(--muted);}
.btn.danger{color:var(--danger);border-color:rgba(255,77,109,.4);}
.link-btn{background:none;border:none;color:var(--cyan);font-family:var(--font);font-size:12px;
  letter-spacing:.16em;font-weight:700;padding:6px;cursor:pointer;}
.pilot-line{margin-top:20px;font-size:10px;letter-spacing:.24em;color:var(--muted);}

/* ---------- game over ---------- */
.final-score{font-family:var(--mono);font-size:52px;font-weight:800;line-height:1;
  color:#fff;text-shadow:0 0 26px var(--cyan),0 0 70px rgba(55,245,255,.4);}
.rank-line{margin:8px 0 14px;font-size:11px;letter-spacing:.22em;color:var(--gold);min-height:15px;}
.unlock-list{display:flex;flex-direction:column;gap:6px;margin-top:12px;}
.unlock{border:1px solid rgba(255,204,51,.45);border-radius:10px;padding:8px 12px;
  font-size:10.5px;letter-spacing:.12em;color:var(--gold);background:rgba(255,204,51,.06);}

/* ---------- stat grid ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:6px;}
.stat-grid.small{grid-template-columns:repeat(3,1fr);}
.stat{background:rgba(12,9,32,.7);border:1px solid var(--edge);border-radius:10px;padding:9px 8px;}
.stat b{display:block;font-family:var(--mono);font-size:17px;color:var(--ink);letter-spacing:0;}
.stat-grid.small .stat b{font-size:14px;}
.stat span{display:block;font-size:8.5px;letter-spacing:.16em;color:var(--muted);margin-top:3px;}

/* ---------- achievements ---------- */
.ach-list{display:flex;flex-direction:column;gap:6px;}
.ach{display:flex;align-items:center;gap:10px;text-align:left;padding:8px 10px;border-radius:10px;
  background:rgba(12,9,32,.6);border:1px solid rgba(126,138,168,.16);opacity:.5;}
.ach.unlocked{opacity:1;border-color:rgba(255,204,51,.42);background:rgba(255,204,51,.06);}
.ach .ai{font-size:19px;filter:grayscale(1);}
.ach.unlocked .ai{filter:none;}
.ach b{display:block;font-size:11px;letter-spacing:.12em;}
.ach p{margin:2px 0 0;font-size:9.5px;color:var(--muted);letter-spacing:.04em;line-height:1.35;}

/* ---------- leaderboard ---------- */
.tabs{display:flex;gap:6px;margin-bottom:12px;}
.tab{flex:1;background:transparent;border:1px solid rgba(126,138,168,.28);color:var(--muted);
  border-radius:999px;padding:8px;font-family:var(--font);font-size:10px;letter-spacing:.18em;font-weight:700;cursor:pointer;}
.tab.active{color:var(--cyan);border-color:var(--cyan);background:rgba(55,245,255,.1);}
.board-list{display:flex;flex-direction:column;gap:5px;min-height:180px;}
.board-row{display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:9px;
  padding:9px 11px;border-radius:10px;background:rgba(12,9,32,.66);border:1px solid rgba(126,138,168,.14);text-align:left;}
.board-row.me{border-color:var(--cyan);background:rgba(55,245,255,.1);}
.board-row .r{font-family:var(--mono);font-size:12px;color:var(--muted);font-weight:700;}
.board-row.top1 .r{color:var(--gold);}
.board-row.top2 .r,.board-row.top3 .r{color:var(--cyan);}
.board-row .n{font-size:12px;letter-spacing:.1em;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.board-row .n small{display:block;font-size:8.5px;color:var(--muted);letter-spacing:.1em;font-weight:400;margin-top:2px;}
.board-row .s{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--gold);}
.muted{color:var(--muted);font-size:11px;letter-spacing:.1em;}
.small-note{font-size:10px;margin-top:10px;}

/* ---------- manual ---------- */
.manual{display:flex;flex-direction:column;gap:10px;text-align:left;}
.manual-row{display:flex;gap:11px;align-items:flex-start;background:rgba(12,9,32,.6);
  border:1px solid var(--edge);border-radius:12px;padding:11px 12px;}
.manual-row .mi{font-size:20px;line-height:1.2;}
.manual-row b{font-size:11.5px;letter-spacing:.16em;color:var(--cyan);}
.manual-row p{margin:4px 0 0;font-size:11px;line-height:1.5;color:#b9c6de;letter-spacing:.02em;}
.manual-row p b{font-size:11px;color:var(--gold);letter-spacing:.04em;}

/* ---------- settings ---------- */
.settings{display:flex;flex-direction:column;gap:8px;text-align:left;}
.setting{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(12,9,32,.6);border:1px solid var(--edge);border-radius:12px;padding:13px 14px;
  font-size:12px;letter-spacing:.1em;cursor:pointer;}
.setting.stacked{flex-direction:column;align-items:stretch;gap:10px;}
.setting input[type=checkbox]{position:absolute;opacity:0;pointer-events:none;}
.switch{width:44px;height:25px;border-radius:999px;background:rgba(126,138,168,.24);
  position:relative;flex:none;transition:background .18s;}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:19px;height:19px;border-radius:50%;
  background:#8b97b5;transition:transform .18s,background .18s;}
input:checked + .switch{background:rgba(55,245,255,.32);}
input:checked + .switch::after{transform:translateX(19px);background:var(--cyan);box-shadow:0 0 12px var(--cyan);}
.setting small{font-size:9.5px;letter-spacing:.04em;}
input[type=range]{width:100%;accent-color:var(--cyan);height:26px;}
.seg{display:flex;gap:6px;}
.seg button{flex:1;background:transparent;border:1px solid rgba(126,138,168,.3);color:var(--muted);
  border-radius:9px;padding:10px 4px;font-family:var(--font);font-size:10px;letter-spacing:.14em;font-weight:700;cursor:pointer;}
.seg button.active{color:var(--magenta);border-color:var(--magenta);background:rgba(255,59,212,.1);}

.name-input{width:100%;background:rgba(12,9,32,.8);border:1px solid var(--cyan);border-radius:12px;
  color:var(--ink);font-family:var(--mono);font-size:24px;font-weight:700;letter-spacing:.22em;
  text-align:center;padding:15px 12px;text-transform:uppercase;outline:none;}

/* ---------- misc ---------- */
.rotate-hint{position:absolute;inset:0;z-index:30;display:none;flex-direction:column;gap:14px;
  align-items:center;justify-content:center;background:rgba(4,2,14,.95);font-size:12px;
  letter-spacing:.22em;color:var(--muted);}
.rotate-hint span{max-width:220px;text-align:center;line-height:1.6;}
@media (orientation:landscape) and (max-height:430px){ .rotate-hint{display:flex;} }

.fps{position:absolute;left:calc(var(--safe-l) + 10px);bottom:calc(var(--safe-b) + 8px);z-index:20;
  font-family:var(--mono);font-size:10px;color:var(--muted);pointer-events:none;}
.fps.hidden{display:none;}
.hidden{display:none !important;}

@media (min-width:520px){
  .screen-inner{max-width:380px;}
  .screen-inner.wide{max-width:520px;}
  .stat-grid{grid-template-columns:repeat(3,1fr);}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;}
}