/* ───────────── Design tokens ───────────── */
:root {
  --bg: #05070e;
  --void: #05070e;
  --panel: rgba(12, 17, 30, .82);
  --panel-solid: #0c1120;
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .18);
  --text: #eef2ff;
  --muted: #8a94b2;
  --primary: #2563eb;
  --primary-lt: #6d9eff;
  --danger: #dc2626;
  --danger-lt: #ff5a6a;
  --accent: #22c55e;
  --accent-lt: #5ef08d;
  --gold: #f0b429;
  --violet: #a855f7;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(0, 0, 0, .45);
  --shadow-lg: 0 24px 70px rgba(0, 0, 0, .6);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --display: 'Orbitron', var(--mono);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}
#app { position: fixed; inset: 0; overflow: hidden; }
canvas#game { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: crosshair; }

/* ───────────── Screen FX layers ───────────── */
.fx-vignette, .fx-scanlines, .fx-flash { position: absolute; inset: 0; pointer-events: none; }
.fx-vignette { background: radial-gradient(ellipse at 50% 50%, transparent 42%, rgba(0, 0, 0, .55) 88%, rgba(0, 0, 0, .85) 100%); z-index: 3; }
.fx-scanlines { z-index: 4; opacity: .28; background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, .06) 0 1px, transparent 1px 3px); mix-blend-mode: overlay; }
body.no-crt .fx-scanlines { display: none; }
.fx-flash { z-index: 5; background: #fff; opacity: 0; }

/* ───────────── HUD ───────────── */
.hud { position: absolute; inset: 0; z-index: 6; pointer-events: none; padding: clamp(.6rem, 2vw, 1.4rem); display: flex; flex-direction: column; justify-content: space-between; }
.hud__row { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.hud__group { display: flex; align-items: baseline; gap: .55rem; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: .4rem .95rem; backdrop-filter: blur(10px); }
.hud__group--wave { flex-direction: row; }
.lbl { font-size: .68rem; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.lbl--sm { font-size: .68rem; color: var(--muted); letter-spacing: .04em; }
.val { font-family: var(--display); font-size: clamp(1rem, 2.4vw, 1.35rem); font-weight: 900; letter-spacing: .02em; text-shadow: 0 0 18px rgba(109, 158, 255, .55); }
.combo { font-family: var(--display); font-size: .85rem; font-weight: 700; color: var(--accent-lt); text-shadow: 0 0 14px rgba(34, 197, 94, .6); }
.hud__bottom { align-items: flex-end; }
.hud__bars { width: min(42vw, 320px); display: flex; flex-direction: column; gap: .4rem; }
.bar { position: relative; height: 16px; border-radius: 999px; background: rgba(255, 255, 255, .07); border: 1px solid var(--line); overflow: hidden; }
.bar i { position: absolute; inset: 0 auto 0 0; width: 100%; border-radius: 999px; transition: width .12s linear; }
.bar--hp i { background: linear-gradient(90deg, #b91c1c, #ff5a6a 60%, #ffd0d5); box-shadow: 0 0 22px rgba(255, 90, 106, .6); }
.bar--xp { height: 13px; }
.bar--xp i { background: linear-gradient(90deg, #2563eb, #6d9eff); box-shadow: 0 0 20px rgba(109, 158, 255, .55); }
.bar--xp .bar__txt { font-size: .55rem; letter-spacing: .03em; }
.bar__txt { position: absolute; inset: 0; display: grid; place-items: center; font-size: .62rem; font-weight: 700; letter-spacing: .12em; color: #fff; text-shadow: 0 1px 3px rgba(0, 0, 0, .8); }
.hud__gauges { display: flex; gap: .7rem; }
.gauge { position: relative; width: 50px; text-align: center; }
.gauge svg { width: 46px; height: 46px; transform: rotate(-90deg); }
.gauge circle { fill: none; stroke-width: 3.2; stroke-linecap: round; }
.gauge__bg { stroke: rgba(255, 255, 255, .1); }
.gauge__fg { stroke: var(--primary-lt); stroke-dasharray: 94.2; stroke-dashoffset: 0; filter: drop-shadow(0 0 5px rgba(109, 158, 255, .9)); transition: stroke-dashoffset .1s linear; }
.gauge__fg--ov { stroke: var(--accent-lt); filter: drop-shadow(0 0 5px rgba(94, 240, 141, .9)); }
.gauge span { font-size: .6rem; letter-spacing: .1em; color: var(--muted); }
.hud__brand { position: absolute; left: 50%; transform: translateX(-50%); bottom: .5rem; font-family: var(--display); font-size: .6rem; letter-spacing: .5em; color: rgba(255, 255, 255, .13); }

/* ───────────── Screens & panels ───────────── */
.screen { position: absolute; inset: 0; z-index: 10; display: none; place-items: center; padding: clamp(.75rem, 3vw, 2rem); background: radial-gradient(ellipse at 50% 30%, rgba(37, 99, 235, .16), transparent 62%), rgba(4, 6, 12, .78); backdrop-filter: blur(7px); overflow: auto; }
.screen.is-open { display: grid; animation: fadeIn .22s var(--ease); }
.panel { width: min(640px, 100%); background: var(--panel-solid); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); padding: clamp(1.1rem, 3vw, 2rem); box-shadow: var(--shadow-lg); animation: riseIn .34s var(--ease); position: relative; overflow: hidden; }
.panel::before { content: ''; position: absolute; inset: 0 0 auto; height: 2px; background: linear-gradient(90deg, transparent, var(--primary-lt), var(--violet), transparent); }
.panel--sm { width: min(430px, 100%); }
.panel--wide { width: min(920px, 100%); }
.p-title { font-family: var(--display); font-size: clamp(1.05rem, 2.6vw, 1.5rem); font-weight: 900; letter-spacing: .04em; margin: 0 0 1rem; text-align: center; }
.p-title--over { color: var(--danger-lt); text-shadow: 0 0 26px rgba(255, 90, 106, .5); }
.btns { display: flex; flex-direction: column; gap: .6rem; margin-top: 1.1rem; }
.btns--row { flex-direction: row; justify-content: center; flex-wrap: wrap; }
.btn { font-family: var(--display); font-weight: 700; font-size: .82rem; letter-spacing: .09em; padding: .85rem 1.5rem; border-radius: 999px; border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .05); color: var(--text); cursor: pointer; transition: transform .16s var(--ease), box-shadow .16s var(--ease), background .16s, border-color .16s; }
.btn:hover { transform: translateY(-2px); background: rgba(255, 255, 255, .1); border-color: var(--primary-lt); box-shadow: 0 12px 34px rgba(37, 99, 235, .3); }
.btn:active { transform: translateY(0) scale(.985); }
.btn:focus-visible { outline: 2px solid var(--primary-lt); outline-offset: 3px; }
.btn--primary { background: linear-gradient(135deg, #1d4ed8, #6d9eff); border-color: transparent; color: #04070f; box-shadow: 0 10px 34px rgba(37, 99, 235, .42); }
.btn--primary:hover { box-shadow: 0 16px 44px rgba(109, 158, 255, .55); background: linear-gradient(135deg, #2563eb, #93b8ff); }
.btn--ghost { background: transparent; color: var(--muted); }
.hint { font-size: .68rem; color: var(--muted); text-align: center; margin: 1.1rem 0 0; line-height: 1.9; }
kbd { font-family: var(--mono); font-size: .66rem; padding: .12rem .38rem; border-radius: 5px; background: rgba(255, 255, 255, .09); border: 1px solid var(--line-strong); }
.banner { position: absolute; inset: 0; z-index: 8; display: grid; place-content: center; text-align: center; pointer-events: none; }
.banner b { font-family: var(--display); font-size: clamp(1.6rem, 7vw, 3.4rem); font-weight: 900; letter-spacing: .14em; color: #fff; text-shadow: 0 0 40px rgba(109, 158, 255, .75), 0 0 90px rgba(168, 85, 247, .5); animation: bannerIn .5s var(--ease); }
.banner span { display: block; margin-top: .4rem; font-size: clamp(.7rem, 2vw, .95rem); letter-spacing: .32em; color: var(--accent-lt); text-transform: uppercase; }

/* ───────────── Home / logo ───────────── */
.panel--home { width: min(700px, 100%); text-align: center; }
.logo { margin-bottom: 1.4rem; }
.logo h1 { font-family: var(--display); font-size: clamp(1.5rem, 6.4vw, 2.85rem); font-weight: 900; letter-spacing: .06em; margin: .5rem 0 .35rem; background: linear-gradient(100deg, #93b8ff 8%, #fff 42%, #ff7b88 78%, #f0b429); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 28px rgba(109, 158, 255, .5)); }
.logo__sub { font-size: .76rem; color: var(--muted); letter-spacing: .16em; margin: 0; }
.logo__mark { display: block; width: 54px; height: 54px; margin: 0 auto; border-radius: 50%; background: radial-gradient(circle at 50% 50%, #fff 4%, var(--primary-lt) 24%, rgba(37, 99, 235, .25) 52%, transparent 68%); box-shadow: 0 0 40px rgba(109, 158, 255, .6), inset 0 0 22px rgba(255, 255, 255, .5); animation: pulse 2.6s var(--ease) infinite; }
.ships { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .7rem; margin-bottom: 1.2rem; }
.ship { text-align: start; padding: .85rem .95rem; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255, 255, 255, .035); cursor: pointer; transition: transform .18s var(--ease), border-color .2s, background .2s, box-shadow .2s; }
.ship:hover { transform: translateY(-3px); background: rgba(255, 255, 255, .07); box-shadow: var(--shadow); }
.ship.is-active { border-color: var(--primary-lt); background: rgba(37, 99, 235, .16); box-shadow: 0 0 0 1px rgba(109, 158, 255, .5), 0 14px 40px rgba(37, 99, 235, .32); }
.ship b { display: block; font-family: var(--display); font-size: .95rem; letter-spacing: .05em; }
.ship em { display: block; font-style: normal; font-size: .68rem; color: var(--muted); margin: .2rem 0 .55rem; }
.ship__bars { display: grid; gap: .28rem; }
.sb { display: flex; align-items: center; gap: .4rem; font-size: .58rem; color: var(--muted); letter-spacing: .08em; }
.sb i { flex: 1; height: 4px; border-radius: 999px; background: rgba(255, 255, 255, .1); overflow: hidden; }
.sb i b { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--primary-lt)); }
.stats-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-top: 1.4rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.stats-strip b { display: block; font-family: var(--display); font-size: 1.15rem; color: var(--primary-lt); }
.stats-strip span { font-size: .62rem; color: var(--muted); letter-spacing: .1em; }

/* ───────────── How to play / options ───────────── */
.how { display: grid; gap: .55rem; max-height: 52vh; overflow: auto; padding-inline-end: .3rem; }
.how__item { display: grid; grid-template-columns: minmax(120px, 34%) 1fr; gap: .8rem; align-items: center; padding: .6rem .8rem; border-radius: var(--radius-sm); background: rgba(255, 255, 255, .035); border: 1px solid var(--line); }
.how__item .k { font-size: .74rem; color: var(--primary-lt); }
.how__item p { margin: 0; font-size: .73rem; color: var(--muted); line-height: 1.75; }
.opts { display: grid; gap: .5rem; }
.opt { display: flex; align-items: center; gap: .75rem; padding: .65rem .85rem; border-radius: var(--radius-sm); background: rgba(255, 255, 255, .035); border: 1px solid var(--line); font-size: .76rem; cursor: pointer; transition: background .18s, border-color .18s; }
.opt:hover { background: rgba(255, 255, 255, .07); border-color: var(--line-strong); }
.opt input[type=checkbox] { appearance: none; width: 38px; height: 21px; border-radius: 999px; background: rgba(255, 255, 255, .13); position: relative; cursor: pointer; transition: background .2s; flex: none; }
.opt input[type=checkbox]::after { content: ''; position: absolute; top: 2.5px; inset-inline-start: 2.5px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .2s var(--ease); }
.opt input[type=checkbox]:checked { background: linear-gradient(135deg, var(--primary), var(--primary-lt)); }
.opt input[type=checkbox]:checked::after { transform: translateX(-17px); }
[dir=rtl] .opt input[type=checkbox]:checked::after { transform: translateX(-17px); }
html[dir=ltr] .opt input[type=checkbox]:checked::after { transform: translateX(17px); }
.opt--range input[type=range] { flex: 1; accent-color: var(--primary-lt); }
.opt--range b { min-width: 52px; text-align: center; color: var(--accent-lt); font-size: .72rem; }
.pause-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; margin-bottom: .4rem; }
.pause-stats div { background: rgba(255, 255, 255, .04); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .55rem .7rem; font-size: .7rem; color: var(--muted); display: flex; justify-content: space-between; }
.pause-stats b { color: var(--text); font-family: var(--display); }

/* ───────────── Upgrade draft ───────────── */
.up-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.up-head .p-title { margin: 0; }
.up-lvl { font-family: var(--display); font-size: .74rem; color: var(--accent-lt); letter-spacing: .12em; }
.up-timer { font-family: var(--display); font-size: .8rem; color: var(--gold); letter-spacing: .1em; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .8rem; }
.card { position: relative; text-align: start; padding: 1rem; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02)); cursor: pointer; transition: transform .18s var(--ease), border-color .2s, box-shadow .22s; animation: riseIn .3s var(--ease) backwards; }
.card:hover { transform: translateY(-5px); border-color: var(--primary-lt); box-shadow: 0 18px 48px rgba(37, 99, 235, .36); }
.card__ico { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; margin-bottom: .6rem; background: rgba(37, 99, 235, .2); border: 1px solid rgba(109, 158, 255, .35); color: var(--primary-lt); }
.card__ico svg { width: 20px; height: 20px; }
.card__n { font-family: var(--display); font-size: .88rem; letter-spacing: .03em; display: block; margin-bottom: .25rem; }
.card__d { font-size: .7rem; color: var(--muted); line-height: 1.7; }
.card__tag { position: absolute; inset-inline-end: .7rem; top: .7rem; font-size: .58rem; letter-spacing: .1em; padding: .15rem .45rem; border-radius: 999px; background: rgba(255, 255, 255, .08); color: var(--muted); }
.card--rare { border-color: rgba(240, 180, 41, .45); }
.card--rare .card__ico { background: rgba(240, 180, 41, .18); border-color: rgba(240, 180, 41, .45); color: var(--gold); }
.card--rare .card__tag { background: rgba(240, 180, 41, .16); color: var(--gold); }
.card--new { border-color: rgba(34, 197, 94, .5); }
.card--new .card__ico { background: rgba(34, 197, 94, .18); border-color: rgba(34, 197, 94, .45); color: var(--accent-lt); }
.card--new .card__tag { background: rgba(34, 197, 94, .16); color: var(--accent-lt); }
.card.is-picked { border-color: var(--accent-lt); box-shadow: 0 0 0 2px rgba(94, 240, 141, .55), 0 18px 48px rgba(34, 197, 94, .35); }

/* ───────────── Game over ───────────── */
.over-sub { text-align: center; color: var(--muted); font-size: .74rem; margin: -.5rem 0 1rem; letter-spacing: .08em; }
.over-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .5rem; }
.over-grid div { background: rgba(255, 255, 255, .04); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .7rem; text-align: center; }
.over-grid b { display: block; font-family: var(--display); font-size: 1.2rem; color: var(--primary-lt); }
.over-grid b.gold { color: var(--gold); }
.over-grid span { font-size: .6rem; color: var(--muted); letter-spacing: .1em; }
.over-grid div.is-new { border-color: var(--gold); background: rgba(240, 180, 41, .1); animation: pulse 1.6s var(--ease) infinite; }

/* ───────────── Touch controls ───────────── */
.touch { position: absolute; inset: 0; z-index: 7; pointer-events: none; }
.stick { position: absolute; inset-inline-start: clamp(14px, 5vw, 40px); bottom: clamp(20px, 7vh, 56px); width: 118px; height: 118px; border-radius: 50%; background: rgba(255, 255, 255, .05); border: 1.5px solid rgba(255, 255, 255, .16); backdrop-filter: blur(6px); pointer-events: auto; touch-action: none; }
.stick i { position: absolute; top: 50%; inset-inline-start: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border-radius: 50%; background: radial-gradient(circle at 40% 35%, #93b8ff, #2563eb); box-shadow: 0 0 26px rgba(109, 158, 255, .7); transition: transform .06s linear; }
.tbtn { position: absolute; inset-inline-end: clamp(16px, 5vw, 44px); bottom: clamp(28px, 9vh, 70px); width: 82px; height: 82px; border-radius: 50%; font-family: var(--display); font-size: .68rem; letter-spacing: .08em; color: #04070f; background: linear-gradient(135deg, #22c55e, #5ef08d); border: none; pointer-events: auto; box-shadow: 0 10px 30px rgba(34, 197, 94, .45); }
.tbtn:active { transform: scale(.94); }

/* ───────────── Toasts ───────────── */
.toasts { position: absolute; inset-inline-start: 50%; transform: translateX(50%); bottom: clamp(70px, 12vh, 110px); z-index: 12; display: flex; flex-direction: column; align-items: center; gap: .4rem; pointer-events: none; }
.toast { font-size: .72rem; letter-spacing: .06em; padding: .5rem 1rem; border-radius: 999px; background: var(--panel); border: 1px solid var(--line-strong); backdrop-filter: blur(8px); box-shadow: var(--shadow); animation: toastIn .28s var(--ease); }
.toast--good { color: var(--accent-lt); border-color: rgba(94, 240, 141, .45); }
.toast--bad { color: var(--danger-lt); border-color: rgba(255, 90, 106, .45); }
.toast--info { color: var(--primary-lt); }
.toast.is-out { animation: toastOut .3s var(--ease) forwards; }

/* ───────────── Animations ───────────── */
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes riseIn { from { opacity: 0; transform: translateY(18px) scale(.985) } to { opacity: 1; transform: none } }
@keyframes toastIn { from { opacity: 0; transform: translateY(14px) } to { opacity: 1; transform: none } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-10px) } }
@keyframes bannerIn { from { opacity: 0; transform: scale(.86) } 60% { opacity: 1; transform: scale(1.03) } to { transform: none } }
@keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: .55 } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media (max-width: 700px) {
  .how__item { grid-template-columns: 1fr; gap: .3rem; }
  .hud__bars { width: 52vw; }
  .hud__brand { display: none; }
  .stats-strip { grid-template-columns: repeat(3, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .panel { border-radius: var(--radius); }
}
@media (hover: none) {
  .stick, .tbtn { display: grid; place-items: center; }
}