/* ============================================================
   ORBITAL — Gravity Slingshot
   Mobile-first UI. Deep space, neon glass.
   ============================================================ */

:root {
  --bg:      #05060f;
  --bg-2:    #0a0d1e;
  --cyan:    #4de8ff;
  --violet:  #a06bff;
  --pink:    #ff4d8d;
  --lime:    #4dffb0;
  --red:     #ff4d5e;
  --amber:   #ffc44d;

  --ink:     #eaf4ff;
  --ink-dim: #8ea3c4;
  --ink-mute:#5b6b8c;

  --glass:      rgba(11, 16, 34, .72);
  --glass-soft: rgba(16, 22, 44, .55);
  --hair:       rgba(126, 200, 255, .14);
  --hair-hi:    rgba(126, 200, 255, .30);

  --r-sm: 10px;
  --r:    14px;
  --r-lg: 20px;

  --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);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0; padding: 0;
  width: 100%; height: 100%;
  background: var(--bg);
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  -webkit-user-select: none; user-select: none;
  -webkit-text-size-adjust: 100%;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
}

#app {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  /* dvh with vh fallback */
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
}

#stage {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  touch-action: none;
}

/* soft vignette over the canvas */
#app::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 0%, transparent 40%, rgba(0,0,0,.45) 100%),
    radial-gradient(100% 60% at 50% 100%, transparent 45%, rgba(0,0,0,.5) 100%);
  z-index: 2;
}

/* ============================================================
   Screens
   ============================================================ */
.screen {
  position: absolute; inset: 0;
  z-index: 5;
  display: flex; align-items: center; justify-content: center;
  padding: calc(var(--safe-t) + 18px) calc(var(--safe-r) + 20px)
           calc(var(--safe-b) + 18px) calc(var(--safe-l) + 20px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(.99);
  transition: opacity .34s var(--ease), transform .34s var(--ease-out), visibility .34s;
  background: radial-gradient(90% 70% at 50% 40%, rgba(10,14,32,.55), rgba(5,6,15,.86));
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.screen.is-active { opacity: 1; visibility: visible; transform: none; }

/* ---------- boot ---------- */
.boot-wrap { text-align: center; }
.logo { margin-bottom: 46px; }
.logo-mark {
  position: relative;
  width: 108px; height: 108px;
  margin: 0 auto 22px;
}
.logo-mark .ring {
  position: absolute; inset: 0;
  border: 2px solid rgba(77,232,255,.20);
  border-top-color: var(--cyan);
  border-right-color: rgba(160,107,255,.75);
  border-radius: 50%;
  animation: spin 4.6s linear infinite;
  box-shadow: 0 0 34px rgba(77,232,255,.22), inset 0 0 26px rgba(160,107,255,.14);
}
.logo-mark .dot {
  position: absolute; left: 50%; top: 50%;
  width: 13px; height: 13px; margin: -6.5px 0 0 -6.5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px 4px rgba(77,232,255,.85);
  animation: pulse 2.4s var(--ease) infinite;
}
.logo-mark::after {
  content: "";
  position: absolute; inset: 26px;
  border: 1px dashed rgba(160,107,255,.35);
  border-radius: 50%;
  animation: spin 11s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1 } 50% { transform: scale(.72); opacity: .65 } }

.logo-text {
  margin: 0;
  font-size: clamp(38px, 12vw, 58px);
  font-weight: 800;
  letter-spacing: .30em;
  text-indent: .30em;
  background: linear-gradient(180deg, #fff 10%, var(--cyan) 60%, var(--violet) 120%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 22px rgba(77,232,255,.35));
}
.logo-sub {
  margin: 10px 0 0;
  font-size: 11px; font-weight: 600;
  letter-spacing: .46em; text-indent: .46em;
  color: var(--ink-dim);
}
.btn-boot { min-width: 210px; }
.boot-hint {
  margin: 20px 0 0;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------- menu ---------- */
.menu-wrap { width: 100%; max-width: 420px; text-align: center; }
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.brand-mark {
  position: relative; flex: 0 0 auto;
  width: 46px; height: 46px;
}
.brand-mark .ring {
  position: absolute; inset: 0;
  border: 1.5px solid rgba(77,232,255,.20);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 5s linear infinite;
}
.brand-mark .dot {
  position: absolute; left: 50%; top: 50%;
  width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px;
  border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 12px 2px rgba(77,232,255,.8);
}
.brand-text {
  margin: 0; font-size: 27px; font-weight: 800;
  letter-spacing: .24em; text-indent: .24em;
  background: linear-gradient(180deg, #fff, var(--cyan) 75%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-sub {
  margin: 3px 0 0; font-size: 9px; font-weight: 600;
  letter-spacing: .38em; color: var(--ink-mute);
}

.menu-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; margin-bottom: 26px;
}
.stat {
  padding: 12px 6px 10px;
  border: 1px solid var(--hair);
  border-radius: var(--r);
  background: var(--glass-soft);
}
.stat b {
  display: block; font-size: 22px; font-weight: 700;
  letter-spacing: .04em; color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat span {
  display: block; margin-top: 3px;
  font-size: 9px; font-weight: 600; letter-spacing: .22em;
  color: var(--ink-mute);
}

.menu-nav { display: grid; gap: 11px; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.menu-foot {
  margin: 26px 0 0; font-size: 10px;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--ink-mute);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px;
  width: 100%;
  padding: 15px 18px;
  border: 1px solid var(--hair);
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(28,38,72,.72), rgba(12,17,36,.72));
  color: var(--ink);
  font: inherit; font-size: 13px; font-weight: 700;
  letter-spacing: .20em;
  cursor: pointer;
  overflow: hidden;
  transition: transform .14s var(--ease), border-color .2s, box-shadow .25s, background .2s;
  box-shadow: 0 6px 22px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.05);
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(120% 100% at 50% 120%, rgba(77,232,255,.16), transparent 62%);
  opacity: 0; transition: opacity .25s;
}
.btn:active { transform: scale(.975); }
.btn:active::before { opacity: 1; }
.btn-primary {
  padding: 19px 18px;
  font-size: 16px;
  border-color: rgba(77,232,255,.42);
  background: linear-gradient(180deg, rgba(30,86,120,.85), rgba(14,32,60,.9));
  box-shadow: 0 8px 30px rgba(11,60,90,.5), inset 0 1px 0 rgba(180,240,255,.16);
}
.btn-primary .btn-label {
  background: linear-gradient(180deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.btn-meta {
  font-size: 9.5px; font-weight: 600; letter-spacing: .22em;
  color: var(--ink-dim);
  -webkit-text-fill-color: var(--ink-dim);
}
.btn-sm { padding: 12px 14px; font-size: 11.5px; }
.btn-ghost { background: rgba(12,17,36,.5); border-color: var(--hair-hi); }
.btn-danger { border-color: rgba(255,77,94,.42); color: #ffc3c9; }
.btn-wide { width: 100%; }

.btn:disabled { opacity: .38; pointer-events: none; }

.icon-btn {
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border: 1px solid var(--hair);
  border-radius: 12px;
  background: var(--glass-soft);
  color: var(--ink-dim);
  cursor: pointer;
  transition: transform .14s var(--ease), color .2s, border-color .2s, background .2s;
}
.icon-btn:active { transform: scale(.92); }
.icon-btn:active { color: var(--cyan); border-color: var(--hair-hi); }
.icon-btn svg {
  width: 20px; height: 20px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.link-btn {
  display: block; width: 100%;
  margin-top: 14px; padding: 8px;
  border: 0; background: none;
  color: var(--ink-mute);
  font: inherit; font-size: 10.5px; font-weight: 600;
  letter-spacing: .22em;
  cursor: pointer;
  transition: color .2s;
}
.link-btn:active { color: var(--cyan); }

/* ============================================================
   Panels (levels / howto / settings)
   ============================================================ */
.panel-wrap {
  display: flex; flex-direction: column;
  width: 100%; max-width: 460px;
  height: 100%; max-height: 100%;
}
.panel-head {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
}
.panel-head h2 {
  flex: 1;
  margin: 0; font-size: 15px; font-weight: 800;
  letter-spacing: .30em;
  color: var(--ink);
}
.head-spacer { width: 40px; flex: 0 0 40px; }
.star-chip {
  display: flex; align-items: center; gap: 5px;
  padding: 7px 11px;
  border: 1px solid rgba(255,196,77,.28);
  border-radius: 999px;
  background: rgba(255,196,77,.08);
  font-size: 12px; font-weight: 700;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.star-chip svg { width: 13px; height: 13px; fill: var(--amber); stroke: none; }

.panel-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 16px 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(126,200,255,.22) transparent;
}
.panel-body::-webkit-scrollbar { width: 4px; }
.panel-body::-webkit-scrollbar-thumb { background: rgba(126,200,255,.22); border-radius: 4px; }
.panel-foot { padding-top: 12px; border-top: 1px solid var(--hair); }

/* ---------- level grid ---------- */
.lv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.lv {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, rgba(26,36,68,.6), rgba(11,16,34,.6));
  color: var(--ink);
  font: inherit; font-size: 16px; font-weight: 700;
  cursor: pointer;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 4px;
  transition: transform .14s var(--ease), border-color .2s, box-shadow .2s;
  font-variant-numeric: tabular-nums;
}
.lv:active { transform: scale(.93); }
.lv.is-clear {
  border-color: rgba(77,232,255,.36);
  background: linear-gradient(180deg, rgba(20,60,88,.62), rgba(11,26,44,.62));
  box-shadow: inset 0 0 18px rgba(77,232,255,.10);
}
.lv.is-perfect { border-color: rgba(255,196,77,.5); }
.lv.is-locked { color: var(--ink-mute); opacity: .5; cursor: not-allowed; }
.lv.is-locked:active { transform: none; }
.lv.is-current {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(77,232,255,.4), 0 0 20px rgba(77,232,255,.22);
}
.lv-stars { display: flex; gap: 2.5px; height: 9px; }
.lv-stars i {
  width: 8px; height: 8px;
  background: rgba(126,200,255,.18);
  clip-path: polygon(50% 0, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
.lv-stars i.on { background: var(--amber); box-shadow: 0 0 6px rgba(255,196,77,.6); }
.lv-lock {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: 13px; color: var(--ink-mute);
}

/* ---------- how to ---------- */
.howto { display: grid; gap: 4px; }
.step {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 4px;
  border-bottom: 1px solid rgba(126,200,255,.08);
}
.step-fig {
  position: relative; flex: 0 0 auto;
  width: 62px; height: 62px;
  border: 1px solid var(--hair);
  border-radius: 12px;
  background: radial-gradient(80% 80% at 50% 40%, rgba(30,44,84,.7), rgba(8,11,24,.7));
  overflow: hidden;
}
.step-fig i { position: absolute; display: block; }
.step-fig .ship {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 10px 2px rgba(77,232,255,.8);
}
.step-fig .well {
  width: 18px; height: 18px; border-radius: 50%;
  border: 1.5px solid rgba(160,107,255,.8);
  background: radial-gradient(circle, rgba(160,107,255,.5), transparent 70%);
}
.step-fig .beam {
  width: 30px; height: 1px; top: 40px; left: 18px;
  background: linear-gradient(90deg, rgba(77,232,255,.9), rgba(160,107,255,.4));
  transform-origin: left center;
  animation: beamPulse 1.8s var(--ease) infinite;
}
@keyframes beamPulse { 0%,100% { opacity: .35 } 50% { opacity: 1 } }
.step-fig .dashed {
  width: 34px; height: 0; top: 30px; left: 26px;
  border-top: 1.5px dashed rgba(77,232,255,.75);
}
.step-fig .gate {
  width: 30px; height: 30px; left: 16px; top: 16px;
  border: 2px solid var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(77,255,176,.4);
}
.step-fig .portal {
  width: 26px; height: 26px; left: 18px; top: 18px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--violet) 40%, transparent 72%);
  animation: spin 3s linear infinite;
}
.fig-hold .ship { left: 12px; top: 36px; }
.fig-hold .well { right: 10px; top: 14px; }
.fig-release .ship { left: 12px; top: 26px; }
.fig-gate .ship { left: 26px; top: 26px; }
.fig-portal .ship { left: 8px; bottom: 10px; }

.step-txt { flex: 1; }
.step-txt b {
  display: block; margin-bottom: 5px;
  font-size: 11px; font-weight: 800; letter-spacing: .20em;
  color: var(--cyan);
}
.step-txt p {
  margin: 0; font-size: 12.5px; line-height: 1.62;
  color: var(--ink-dim);
}
.howto-tip {
  margin: 16px 0 4px; padding: 12px 14px;
  border: 1px solid rgba(255,196,77,.22);
  border-left-width: 3px;
  border-radius: var(--r-sm);
  background: rgba(255,196,77,.06);
  font-size: 12px; line-height: 1.6;
  color: #e8d6ae;
}

/* ---------- settings ---------- */
.settings { display: grid; gap: 2px; align-content: start; }
.set-row {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 4px;
  border-bottom: 1px solid rgba(126,200,255,.08);
}
.set-info { flex: 1; }
.set-info b { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); }
.set-info span { display: block; margin-top: 3px; font-size: 11.5px; color: var(--ink-mute); }
.set-danger .btn { width: auto; padding: 9px 16px; }

.toggle {
  position: relative; flex: 0 0 auto;
  width: 50px; height: 29px;
  padding: 0;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: rgba(8,12,26,.85);
  cursor: pointer;
  transition: background .25s var(--ease), border-color .25s;
}
.toggle i {
  position: absolute; top: 3px; left: 3px;
  width: 21px; height: 21px;
  border-radius: 50%;
  background: #56688c;
  transition: transform .26s var(--ease-out), background .25s, box-shadow .25s;
}
.toggle[aria-checked="true"] {
  background: linear-gradient(90deg, rgba(77,232,255,.30), rgba(160,107,255,.30));
  border-color: rgba(77,232,255,.5);
}
.toggle[aria-checked="true"] i {
  transform: translateX(21px);
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(77,232,255,.75);
}

.seg {
  display: flex; flex: 0 0 auto;
  border: 1px solid var(--hair);
  border-radius: 10px;
  overflow: hidden;
  background: rgba(8,12,26,.85);
}
.seg button {
  padding: 8px 11px;
  border: 0; background: none;
  color: var(--ink-mute);
  font: inherit; font-size: 10px; font-weight: 700; letter-spacing: .14em;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.seg button + button { border-left: 1px solid rgba(126,200,255,.10); }
.seg button[aria-pressed="true"] {
  background: linear-gradient(180deg, rgba(77,232,255,.24), rgba(160,107,255,.16));
  color: #fff;
}
.set-foot {
  margin: 22px 0 6px; text-align: center;
  font-size: 10px; letter-spacing: .2em;
  color: var(--ink-mute);
}

/* ============================================================
   HUD
   ============================================================ */
.hud {
  position: absolute; inset: 0;
  z-index: 4;
  pointer-events: none;
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
  padding: calc(var(--safe-t) + 12px) calc(var(--safe-r) + 14px)
           calc(var(--safe-b) + 12px) calc(var(--safe-l) + 14px);
}
.hud.is-on { opacity: 1; visibility: visible; }
.hud-top {
  display: flex; align-items: center; gap: 12px;
}
.hud-top .icon-btn { pointer-events: auto; }
.hud-level {
  flex: 1;
  display: flex; align-items: baseline; gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--glass-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hud-level b { font-size: 15px; font-weight: 800; letter-spacing: .1em; font-variant-numeric: tabular-nums; }
.hud-level span { font-size: 9px; font-weight: 600; letter-spacing: .26em; color: var(--ink-mute); }

.hud-gates { display: flex; gap: 5px; align-items: center; }
.hud-gates i {
  width: 9px; height: 9px; border-radius: 50%;
  border: 1.5px solid rgba(126,200,255,.35);
  transition: all .28s var(--ease-out);
}
.hud-gates i.on {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 10px rgba(77,255,176,.8);
  transform: scale(1.15);
}

.hud-retry {
  position: absolute;
  right: calc(var(--safe-r) + 14px);
  bottom: calc(var(--safe-b) + 16px);
  pointer-events: auto;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hud-tip {
  position: absolute;
  left: 50%; bottom: calc(var(--safe-b) + 78px);
  transform: translateX(-50%) translateY(8px);
  padding: 10px 18px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 11.5px; font-weight: 600; letter-spacing: .12em;
  color: var(--ink-dim);
  white-space: nowrap;
  opacity: 0;
  transition: opacity .4s var(--ease), transform .4s var(--ease-out);
}
.hud-tip.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================
   Result / pause overlay
   ============================================================ */
.result {
  position: absolute; inset: 0;
  z-index: 8;
  display: grid; place-items: center;
  padding: 24px;
  background: rgba(4,6,14,.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0; visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.result.is-on { opacity: 1; visibility: visible; }
.result-card {
  width: 100%; max-width: 330px;
  padding: 30px 24px 24px;
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(22,30,58,.92), rgba(9,12,26,.94));
  box-shadow: 0 24px 70px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.06);
  text-align: center;
  transform: translateY(16px) scale(.96);
  transition: transform .38s var(--ease-out);
}
.result.is-on .result-card { transform: none; }
.result-card h2 {
  margin: 0 0 18px;
  font-size: 19px; font-weight: 800; letter-spacing: .24em;
}
#res-title.win {
  background: linear-gradient(180deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
#res-title.lose { color: var(--red); }

.stars { display: flex; justify-content: center; gap: 12px; margin-bottom: 14px; }
.star {
  width: 30px; height: 30px;
  background: rgba(126,200,255,.14);
  clip-path: polygon(50% 0, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  transform: scale(.6);
  transition: transform .4s var(--ease-out), background .3s, filter .3s;
}
.star.on {
  background: linear-gradient(180deg, #ffe9a8, var(--amber));
  filter: drop-shadow(0 0 10px rgba(255,196,77,.7));
  transform: scale(1);
}
.res-sub {
  margin: 0 0 22px;
  font-size: 11.5px; letter-spacing: .18em;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
}
.res-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: absolute;
  left: 50%; bottom: calc(var(--safe-b) + 30px);
  transform: translate(-50%, 12px);
  z-index: 20;
  padding: 11px 20px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 11.5px; font-weight: 600; letter-spacing: .14em;
  color: var(--ink-dim);
  opacity: 0; pointer-events: none;
  transition: opacity .28s var(--ease), transform .28s var(--ease-out);
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================
   Responsive / landscape
   ============================================================ */
@media (max-height: 620px) {
  .logo { margin-bottom: 26px; }
  .logo-mark { width: 78px; height: 78px; margin-bottom: 14px; }
  .menu-stats { margin-bottom: 18px; }
  .stat { padding: 9px 4px 7px; }
  .menu-foot { margin-top: 14px; }
}
@media (orientation: landscape) and (max-height: 500px) {
  .menu-wrap { max-width: 620px; }
  .menu-stats { margin-bottom: 14px; }
  .menu-nav { grid-template-columns: 1fr 1fr; }
  .btn-row { grid-column: 1 / -1; }
  .panel-wrap { max-width: 620px; }
  .lv-grid { grid-template-columns: repeat(8, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}