/* Prism Breaker — mobile-first styles.
 * In-game UI is sized in "logical pixels" of a 540-wide portrait field:
 * calc(var(--u) * N px) scales with the canvas, so HUD and canvas always match. */
:root {
  --u: 1;
  --bg: #05060d;
  --panel: rgba(12, 16, 34, 0.86);
  --line: rgba(130, 170, 255, 0.16);
  --cyan: #2ee6e6;
  --pink: #ff4fd8;
  --violet: #a66bff;
  --gold: #ffd23f;
  --red: #ff4d6d;
  --green: #3ddc84;
  --text: #e8ecff;
  --dim: #8a93b8;
  --accent: #2ee6e6;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Chakra Petch', system-ui, sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
}
button { font: inherit; color: inherit; touch-action: manipulation; }

#safeProbe { position: fixed; visibility: hidden; pointer-events: none; padding: var(--safe-t) 0 var(--safe-b); }

#app {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 900px at 50% 30%, #121a3a 0%, #05060d 70%);
}
#stage { position: relative; overflow: hidden; background: var(--bg); }
#stage canvas { display: block; touch-action: none; }

/* Desktop / landscape: show the portrait field as a framed cabinet */
@media (min-aspect-ratio: 3/4) {
  #stage {
    border-radius: calc(var(--u) * 18px);
    box-shadow: 0 0 0 1px var(--line), 0 30px 80px rgba(0, 0, 0, 0.65), 0 0 160px rgba(46, 230, 230, 0.08);
  }
}

/* ======================= SPLASH ======================= */
#splash {
  position: fixed; inset: 0; z-index: 50;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: calc(var(--safe-t) + 24px) 24px calc(var(--safe-b) + 24px);
  background: radial-gradient(120vmax 90vmax at 50% 35%, #1a1146 0%, #0a0b22 40%, #05060d 75%);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
#splash.out { opacity: 0; transform: scale(1.06); pointer-events: none; }
.sp-glow {
  position: absolute; width: 140vmin; height: 140vmin; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(46, 230, 230, 0.18), rgba(166, 107, 255, 0.18), rgba(255, 79, 216, 0.18), rgba(46, 230, 230, 0.18));
  filter: blur(60px); animation: spin 14s linear infinite; opacity: 0.8;
}
@keyframes spin { to { transform: rotate(360deg); } }
.sp-center { position: relative; display: flex; flex-direction: column; align-items: center; gap: min(5vmin, 28px); width: min(88vw, 440px); }

.sp-bricks { display: grid; grid-template-columns: repeat(5, 1fr); gap: min(1.4vmin, 7px); width: 82%; }
.sp-bricks i {
  display: block; aspect-ratio: 2.3 / 1; border-radius: min(1vmin, 5px);
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 55%, white) 0 38%, var(--c) 38% 82%, color-mix(in srgb, var(--c) 50%, black) 82%);
  box-shadow: 0 0 min(3vmin, 16px) color-mix(in srgb, var(--c) 55%, transparent);
  opacity: 0; transform: translateY(-40px) scale(0.6);
  animation: brickIn 0.55s cubic-bezier(.2, 1.4, .4, 1) forwards, brickPulse 2.4s ease-in-out infinite;
  animation-delay: calc(var(--i) * 55ms), calc(0.9s + var(--i) * 90ms);
}
.sp-bricks i.st {
  --c: #4a5168;
  background: repeating-linear-gradient(90deg, #3a4155 0 46%, #1c2030 46% 50%), #3a4155;
  box-shadow: inset 0 0 0 1px #77819b;
}
@keyframes brickIn { to { opacity: 1; transform: none; } }
@keyframes brickPulse { 50% { filter: brightness(1.35); } }

.sp-logo { display: flex; flex-direction: column; align-items: center; line-height: 0.92; opacity: 0; animation: logoIn 0.8s 0.6s cubic-bezier(.2, 1.2, .3, 1) forwards; }
.sp-logo .l1, .logo .l1 {
  font-family: 'Orbitron', sans-serif; font-weight: 900; letter-spacing: 0.06em;
  background: linear-gradient(100deg, #2ee6e6 0%, #4d7cff 25%, #a66bff 45%, #fff 50%, #ff4fd8 55%, #a66bff 75%, #2ee6e6 100%);
  background-size: 250% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shine 4s linear infinite;
  filter: drop-shadow(0 0 18px rgba(166, 107, 255, 0.55));
}
.sp-logo .l1 { font-size: min(17vw, 92px); }
.sp-logo .l2, .logo .l2 {
  font-family: 'Orbitron', sans-serif; font-weight: 800; color: #fff;
  letter-spacing: 0.55em; margin-left: 0.55em;
  text-shadow: 0 0 14px rgba(255, 79, 216, 0.75);
}
.sp-logo .l2 { font-size: min(6.4vw, 34px); }
@keyframes shine { to { background-position: -250% 0; } }
@keyframes logoIn { from { opacity: 0; transform: scale(0.7); letter-spacing: 0.3em; } to { opacity: 1; transform: none; } }

.sp-scene { position: relative; width: 62%; height: min(18vmin, 90px); }
.sp-ball {
  position: absolute; left: 50%; bottom: 14px; width: 14px; height: 14px; margin-left: -7px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 12px #2ee6e6, 0 0 28px #2ee6e6;
  animation: bounce 0.9s cubic-bezier(.4, 0, .6, 1) infinite alternate, drift 3.6s ease-in-out infinite alternate;
}
.sp-paddle {
  position: absolute; left: 50%; bottom: 0; width: 90px; height: 12px; margin-left: -45px; border-radius: 6px;
  background: linear-gradient(90deg, #2ee6e6 0 16%, #c9d3ea 16% 84%, #2ee6e6 84%);
  box-shadow: 0 0 18px rgba(46, 230, 230, 0.6);
  animation: drift 3.6s ease-in-out infinite alternate;
}
@keyframes bounce { from { bottom: 14px; } to { bottom: calc(100% - 14px); } }
@keyframes drift { from { transform: translateX(-60%); } to { transform: translateX(60%); } }

.sp-load { width: 70%; display: flex; flex-direction: column; align-items: center; gap: 10px; transition: opacity 0.3s; }
.sp-bar { width: 100%; height: 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.08); overflow: hidden; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06); }
.sp-bar b { display: block; height: 100%; width: 0%; border-radius: 6px; background: linear-gradient(90deg, #2ee6e6, #a66bff, #ff4fd8); box-shadow: 0 0 12px #a66bff; transition: width 0.35s ease; }
.sp-status { font-size: 12px; letter-spacing: 0.25em; text-transform: uppercase; color: var(--dim); }
.sp-tap {
  display: none; border: 0; cursor: pointer;
  font-family: 'Orbitron', sans-serif; font-weight: 900; letter-spacing: 0.3em;
  font-size: min(4.6vw, 18px); padding: 16px 34px; border-radius: 40px; color: #0a0b16;
  background: linear-gradient(90deg, #2ee6e6, #a66bff 60%, #ff4fd8);
  box-shadow: 0 0 30px rgba(166, 107, 255, 0.6);
  animation: pulse 1.4s ease-in-out infinite;
}
#splash.ready .sp-load { display: none; }
#splash.ready .sp-tap { display: block; }
@keyframes pulse { 50% { transform: scale(1.06); box-shadow: 0 0 46px rgba(255, 79, 216, 0.8); } }
.sp-foot { position: absolute; bottom: calc(var(--safe-b) + 18px); font-size: 11px; letter-spacing: 0.3em; color: rgba(138, 147, 184, 0.7); text-align: center; padding: 0 16px; }

/* ======================= HUD ======================= */
#hud {
  position: absolute; left: 0; right: 0; top: 0; z-index: 2;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding-left: calc(var(--u) * 18px); padding-right: calc(var(--u) * 14px);
  background: linear-gradient(to bottom, rgba(10, 13, 28, 0.98), rgba(10, 13, 28, 0.82));
  pointer-events: none;
}
.hud-block.left { justify-self: start; }
.hud-block.center { justify-self: center; text-align: center; max-width: calc(var(--u) * 210px); }
.hud-block.right { justify-self: end; display: flex; align-items: center; gap: calc(var(--u) * 10px); }
.lbl { font-family: 'Orbitron', sans-serif; font-weight: 600; font-size: calc(var(--u) * 11px); letter-spacing: 0.22em; color: var(--dim); }
.val {
  font-family: 'Orbitron', sans-serif; font-weight: 800; font-size: calc(var(--u) * 25px); letter-spacing: 0.05em; line-height: 1.1;
  color: #fff; text-shadow: 0 0 calc(var(--u) * 12px) rgba(46, 230, 230, 0.45);
}
.hi { font-size: calc(var(--u) * 11px); color: var(--dim); letter-spacing: 0.15em; }
.hi span { color: var(--gold); }
.name {
  font-family: 'Orbitron', sans-serif; font-weight: 800; font-size: calc(var(--u) * 16px); letter-spacing: 0.08em;
  text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  color: var(--accent); text-shadow: 0 0 calc(var(--u) * 14px) var(--accent);
}
.lives-wrap { text-align: right; }
#lives { display: flex; flex-wrap: wrap; gap: calc(var(--u) * 4px); justify-content: flex-end; margin-top: calc(var(--u) * 4px); max-width: calc(var(--u) * 92px); min-height: calc(var(--u) * 7px); }
#lives i {
  display: block; width: calc(var(--u) * 18px); height: calc(var(--u) * 6px); border-radius: calc(var(--u) * 3px);
  background: linear-gradient(90deg, var(--accent) 0 22%, #c9d3ea 22% 78%, var(--accent) 78%);
  box-shadow: 0 0 calc(var(--u) * 6px) var(--accent);
}
.icon-btn {
  pointer-events: auto; cursor: pointer;
  width: max(44px, calc(var(--u) * 50px)); height: max(40px, calc(var(--u) * 42px));
  border-radius: calc(var(--u) * 12px);
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.05);
  font-size: calc(var(--u) * 14px);
}
.icon-btn:active { background: rgba(46, 230, 230, 0.18); }

/* power-up chips */
#chips {
  position: absolute; left: 0; right: 0; z-index: 2; pointer-events: none;
  display: flex; flex-wrap: wrap; justify-content: center; gap: calc(var(--u) * 6px);
}
.chip {
  display: flex; align-items: center; gap: calc(var(--u) * 6px);
  padding: calc(var(--u) * 3px) calc(var(--u) * 11px); border-radius: calc(var(--u) * 20px);
  background: rgba(8, 10, 22, 0.8); border: 1px solid var(--c);
  box-shadow: 0 0 calc(var(--u) * 10px) color-mix(in srgb, var(--c) 40%, transparent);
  font-family: 'Orbitron', sans-serif; font-weight: 800; font-size: calc(var(--u) * 9px); letter-spacing: 0.08em; color: var(--c);
  animation: chipIn 0.25s ease-out;
}
.chip .bar { width: calc(var(--u) * 36px); height: calc(var(--u) * 4px); border-radius: 4px; background: rgba(255, 255, 255, 0.1); overflow: hidden; }
.chip .bar b { display: block; height: 100%; background: var(--c); }
@keyframes chipIn { from { opacity: 0; transform: translateY(calc(var(--u) * -8px)); } }

/* toast */
#toast {
  position: absolute; left: 0; right: 0; text-align: center; pointer-events: none; z-index: 2;
  opacity: 0; transform: translateY(calc(var(--u) * 10px)); transition: opacity 0.3s, transform 0.3s;
}
#toast.on { opacity: 1; transform: none; }
.t-kicker { font-family: 'Orbitron'; font-weight: 600; letter-spacing: 0.4em; font-size: calc(var(--u) * 14px); color: var(--dim); }
.t-title {
  font-family: 'Orbitron'; font-weight: 900; font-size: calc(var(--u) * 34px); letter-spacing: 0.08em; padding: 0 calc(var(--u) * 16px);
  color: #fff; text-shadow: 0 0 calc(var(--u) * 18px) var(--accent); margin: calc(var(--u) * 4px) 0 calc(var(--u) * 10px);
}
.t-hint { font-size: calc(var(--u) * 17px); color: var(--dim); animation: blink 1.4s infinite; }
@keyframes blink { 50% { opacity: 0.4; } }

kbd {
  display: inline-block; font-family: 'Chakra Petch'; font-weight: 700; font-size: 0.85em;
  padding: 0.05em 0.45em; margin: 0 0.1em; border-radius: 0.3em;
  border: 1px solid rgba(255, 255, 255, 0.25); border-bottom-width: 2px; background: rgba(255, 255, 255, 0.06); color: var(--text);
}

/* ======================= SCREENS ======================= */
.screen {
  position: absolute; inset: 0; z-index: 5;
  display: none; flex-direction: column; overflow-y: auto; -webkit-overflow-scrolling: touch; touch-action: pan-y;
  padding: calc(var(--safe-t) + var(--u) * 20px) calc(var(--u) * 22px) calc(var(--safe-b) + var(--u) * 20px);
  background: radial-gradient(ellipse at center, rgba(8, 10, 24, 0.74), rgba(4, 5, 12, 0.94));
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.screen.on { display: flex; animation: fadeIn 0.3s ease-out; }
@keyframes fadeIn { from { opacity: 0; } }
.inner { margin: auto 0; width: 100%; display: flex; flex-direction: column; align-items: center; gap: calc(var(--u) * 18px); }

.logo { display: flex; flex-direction: column; align-items: center; line-height: 0.92; }
.logo .l1 { font-size: calc(var(--u) * 100px); }
.logo .l2 { font-size: calc(var(--u) * 34px); }
.tag { color: var(--dim); font-size: calc(var(--u) * 17px); letter-spacing: 0.12em; text-transform: uppercase; text-align: center; }

.menu-btns { display: flex; flex-direction: column; gap: calc(var(--u) * 14px); width: min(calc(var(--u) * 400px), 100%); margin-top: calc(var(--u) * 6px); }
.btn-row { display: flex; gap: calc(var(--u) * 10px); }
.btn-row .btn { flex: 1; }

h2 {
  font-family: 'Orbitron'; font-weight: 900; font-size: calc(var(--u) * 40px); letter-spacing: 0.12em; text-align: center;
  color: #fff; text-shadow: 0 0 calc(var(--u) * 20px) rgba(46, 230, 230, 0.6);
}
h2.good { text-shadow: 0 0 calc(var(--u) * 20px) rgba(61, 220, 132, 0.8); }
h2.bad { color: var(--red); text-shadow: 0 0 calc(var(--u) * 22px) rgba(255, 77, 109, 0.8); }
h3 { font-family: 'Orbitron'; font-weight: 800; font-size: calc(var(--u) * 15px); letter-spacing: 0.25em; color: var(--cyan); margin-bottom: calc(var(--u) * 12px); text-transform: uppercase; }
.kicker { font-family: 'Orbitron'; letter-spacing: 0.3em; font-size: calc(var(--u) * 15px); color: var(--dim); margin-bottom: calc(var(--u) * -10px); text-align: center; }

.btn {
  font-family: 'Orbitron'; font-weight: 800; letter-spacing: 0.16em; font-size: calc(var(--u) * 19px);
  min-height: max(56px, calc(var(--u) * 66px));
  padding: calc(var(--u) * 15px) calc(var(--u) * 24px);
  border-radius: calc(var(--u) * 16px);
  border: 1px solid rgba(46, 230, 230, 0.35);
  background: linear-gradient(180deg, rgba(46, 230, 230, 0.12), rgba(46, 230, 230, 0.02));
  cursor: pointer; transition: transform 0.12s, box-shadow 0.2s, border-color 0.2s;
}
.btn:active { transform: scale(0.97); }
@media (hover: hover) { .btn:hover { border-color: var(--cyan); box-shadow: 0 0 calc(var(--u) * 18px) rgba(46, 230, 230, 0.35); } }
.btn.primary {
  border: none; color: #0a0b16; font-size: calc(var(--u) * 22px);
  background: linear-gradient(90deg, #2ee6e6, #a66bff 60%, #ff4fd8);
  box-shadow: 0 0 calc(var(--u) * 24px) rgba(166, 107, 255, 0.45);
}
.btn.ghost { border-color: var(--line); background: rgba(255, 255, 255, 0.03); font-size: calc(var(--u) * 15px); color: var(--dim); }
.btn.small { min-height: max(50px, calc(var(--u) * 56px)); font-size: calc(var(--u) * 16px); padding: calc(var(--u) * 10px) calc(var(--u) * 26px); }
.btn small { display: block; font-size: 0.62em; letter-spacing: 0.2em; opacity: 0.75; margin-top: 2px; }

.progress-card { display: flex; gap: calc(var(--u) * 10px); max-width: 100%; }
.progress-card div { flex: 1; }
.progress-card div {
  padding: calc(var(--u) * 10px) calc(var(--u) * 18px); border-radius: calc(var(--u) * 12px);
  background: var(--panel); border: 1px solid var(--line); text-align: center; min-width: calc(var(--u) * 170px);
}
.progress-card span { display: block; font-family: 'Orbitron'; font-size: calc(var(--u) * 11px); letter-spacing: 0.3em; color: var(--dim); }
.progress-card b { font-family: 'Orbitron'; font-size: calc(var(--u) * 23px); color: var(--gold); }

.stats {
  display: grid; grid-template-columns: auto auto; gap: calc(var(--u) * 8px) calc(var(--u) * 30px);
  padding: calc(var(--u) * 18px) calc(var(--u) * 24px); border-radius: calc(var(--u) * 14px);
  background: var(--panel); border: 1px solid var(--line); font-size: calc(var(--u) * 18px);
}
.stats span { color: var(--dim); letter-spacing: 0.08em; text-transform: uppercase; }
.stats b { font-family: 'Orbitron'; text-align: right; color: #fff; }
.stats b.gold { color: var(--gold); }

/* level select */
.inner.wide { gap: calc(var(--u) * 14px); }
#pageTabs { display: flex; gap: calc(var(--u) * 6px); flex-wrap: wrap; justify-content: center; }
#pageTabs button {
  font-family: 'Orbitron'; font-weight: 800; font-size: calc(var(--u) * 14px); letter-spacing: 0.06em;
  min-height: max(44px, calc(var(--u) * 48px)); padding: 0 calc(var(--u) * 12px); border-radius: calc(var(--u) * 10px);
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); color: var(--dim); cursor: pointer;
}
#pageTabs button.on { color: #0a0b16; background: var(--cyan); border-color: var(--cyan); }
#levelGrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: calc(var(--u) * 9px); width: 100%; }
.tile {
  position: relative; padding: calc(var(--u) * 7px); border-radius: calc(var(--u) * 12px);
  background: var(--panel); border: 1px solid var(--line); cursor: pointer; text-align: left;
  transition: transform 0.12s, border-color 0.2s;
}
.tile:active { transform: scale(0.96); }
.tile.next { border-color: var(--tc); box-shadow: 0 0 calc(var(--u) * 16px) color-mix(in srgb, var(--tc) 45%, transparent); }
.tile.locked { cursor: default; opacity: 0.45; }
.tile.locked .mini { filter: grayscale(1) blur(1px); }
.mini { display: block; width: 100%; height: auto; margin-bottom: calc(var(--u) * 6px); padding: calc(var(--u) * 3px); border-radius: calc(var(--u) * 6px); background: rgba(0, 0, 0, 0.4); image-rendering: pixelated; }
.tile .tn { font-family: 'Orbitron'; font-weight: 900; font-size: calc(var(--u) * 17px); color: var(--tc); display: flex; justify-content: space-between; align-items: center; }
.tile .tn em { font-style: normal; color: var(--gold); font-size: 0.85em; }
.tile .tt { font-size: calc(var(--u) * 13px); color: var(--dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile .lock { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: calc(var(--u) * 22px); }

/* how to */
.panel { width: 100%; padding: calc(var(--u) * 16px) calc(var(--u) * 18px); border-radius: calc(var(--u) * 14px); background: var(--panel); border: 1px solid var(--line); }
.keys { list-style: none; font-size: calc(var(--u) * 17px); display: grid; gap: calc(var(--u) * 9px); color: var(--dim); }
.keys b { color: var(--text); }
.row-i { display: flex; align-items: center; gap: calc(var(--u) * 12px); font-size: calc(var(--u) * 16px); color: var(--dim); margin-bottom: calc(var(--u) * 9px); }
.row-i:last-child { margin-bottom: 0; }
.row-i b { color: var(--text); font-weight: 700; }
.cap {
  flex: none; width: calc(var(--u) * 56px); height: calc(var(--u) * 24px); border-radius: calc(var(--u) * 12px);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Orbitron'; font-weight: 900; font-size: calc(var(--u) * 12px); color: #0a0b16;
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 60%, white), var(--c) 55%);
  box-shadow: 0 0 calc(var(--u) * 10px) color-mix(in srgb, var(--c) 60%, transparent);
}
.brk { flex: none; width: calc(var(--u) * 56px); height: calc(var(--u) * 24px); border-radius: calc(var(--u) * 3px); background: var(--c); box-shadow: inset 0 calc(var(--u) * -3px) 0 rgba(0, 0, 0, 0.35), inset 0 calc(var(--u) * 4px) 0 rgba(255, 255, 255, 0.25); }
.brk.stone { background: repeating-linear-gradient(90deg, #343a4c 0 calc(var(--u) * 23px), #1c2030 calc(var(--u) * 23px) calc(var(--u) * 24px)); border: 1px solid #6c768f; }

/* demo mode */
.btn.demo { border-color: rgba(255, 210, 63, 0.35); color: #ffd23f; }
.btn.ghost.demo { color: var(--dim); }
.btn.ghost.demo.on { color: #0a0b16; background: linear-gradient(90deg, #ffd23f, #ff8a3d); border: none; box-shadow: 0 0 calc(var(--u) * 18px) rgba(255, 210, 63, 0.45); }
.demo-badge {
  font-family: 'Orbitron'; font-weight: 800; font-size: calc(var(--u) * 12px); letter-spacing: 0.25em;
  color: #0a0b16; background: linear-gradient(90deg, #ffd23f, #ff8a3d);
  padding: calc(var(--u) * 5px) calc(var(--u) * 12px); border-radius: calc(var(--u) * 20px);
}

.fs-tip { max-width: calc(var(--u) * 380px); text-align: center; font-size: calc(var(--u) * 14px); line-height: 1.4; color: var(--dim);
  padding: calc(var(--u) * 10px) calc(var(--u) * 14px); border-radius: calc(var(--u) * 12px); border: 1px dashed var(--line); }
.fs-tip b { color: var(--text); }
/* phones: no frame, no gutters — the game is the whole screen */
@media (max-aspect-ratio: 3/4) { #app { background: var(--bg); } #stage { border-radius: 0; box-shadow: none; } }

/* never scroll sideways: grid items may shrink below their content, long text truncates */
.screen { overflow-x: hidden; touch-action: pan-y; }
.inner, .panel, #levelGrid, #pageTabs { max-width: 100%; min-width: 0; }
.tile { min-width: 0; overflow: hidden; }
#pageTabs button { flex: 0 1 auto; padding: 0 calc(var(--u) * 9px); }
.demo-badge { max-width: 100%; text-align: center; letter-spacing: 0.12em; }