/* screen 2: the styles carousel - a jukebox record changer; a visor locks on to the centre cover and
   reads the style out the way a film HUD identifies a target. Background has four variants under test
   (.bg-a .. .bg-d, chosen with ?bg=a|b|c|d in the URL). */
.styx { position: relative; color: var(--on); overflow: hidden; outline: none; isolation: isolate;
  min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 104px 0 56px; }
.styx > .wrap { width: 100%; position: relative; z-index: 1; }

/* A - night navy lifted: blue light from above, warm floor light under the record changer */
.styx.bg-a { background:
  radial-gradient(60% 55% at 35% 78%, rgba(243,178,76,.16), transparent 70%),
  radial-gradient(90% 70% at 50% 0%, #1F3350 0%, transparent 70%),
  linear-gradient(180deg, #121B29 0%, #0C121B 100%); }
/* B - the current cover, blurred and enlarged, lights the whole screen and changes with each style */

/* C - brand blue, a lit studio wall */

/* D - warm daylight beige, dark text, the night stays in the hero */


.styx-head { max-width: 62rem; }
.styx-head .kicker { margin: 0 0 14px; }
.styx-title { font-weight: 700; font-size: clamp(30px, 3.5vw, 52px); line-height: 1.02; letter-spacing: -.025em; margin: 0 0 16px; }
.styx-title span { color: var(--sun); }
.styx-sub { color: var(--on-2); font-size: clamp(16px, 1.3vw, 19px); line-height: 1.5; margin: 0; max-width: 38rem; }

.styx-body { position: relative; margin-top: clamp(16px, 2.6vw, 36px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 400px); align-items: center; gap: clamp(16px, 3vw, 48px); }
.styx-stage { position: relative; height: clamp(320px, 44vh, 460px); perspective: 1400px; perspective-origin: 50% 45%; touch-action: pan-y; cursor: grab; user-select: none; }
.styx-stage:active { cursor: grabbing; }
.styx-track { position: absolute; inset: 0; transform-style: preserve-3d; }
.styx-card { --s: clamp(200px, 19vw, 280px); position: absolute; left: 50%; top: 50%; width: var(--s); height: var(--s); margin: calc(var(--s) / -2) 0 0 calc(var(--s) / -2);
  padding: 0; border: 0; border-radius: 10px; background: #111; cursor: pointer; transform-style: preserve-3d; will-change: transform, opacity;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.08); -webkit-box-reflect: below 10px linear-gradient(transparent 70%, rgba(255,255,255,.14)); }
.styx-card img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; display: block; pointer-events: none; filter: saturate(.92) brightness(.86); transition: filter .5s var(--ease); }
.styx-card.is-centre img { filter: none; }
.styx-name { position: absolute; left: 12px; bottom: 10px; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #fff; text-shadow: 0 1px 8px rgba(0,0,0,.7); }
.styx-card.is-centre .styx-name { opacity: 0; }

/* the visor over the centre slot: brackets close in, a crosshair and a measuring grid sweep the cover */
.styx-lock { --s: calc(clamp(200px, 19vw, 280px) * 1.12); position: absolute; left: 50%; top: 50%; width: var(--s); height: var(--s); transform: translate(-50%, -50%); pointer-events: none; z-index: 200; }
.styx-lock .br { position: absolute; width: 26px; height: 26px; border: 2px solid var(--sun); opacity: 0; transition: opacity .2s ease, transform .55s var(--ease); }
.styx-lock .br:nth-child(1) { left: -14px; top: -14px; border-right: 0; border-bottom: 0; transform: translate(-18px, -18px); }
.styx-lock .br:nth-child(2) { right: -14px; top: -14px; border-left: 0; border-bottom: 0; transform: translate(18px, -18px); }
.styx-lock .br:nth-child(3) { left: -14px; bottom: -14px; border-right: 0; border-top: 0; transform: translate(-18px, 18px); }
.styx-lock .br:nth-child(4) { right: -14px; bottom: -14px; border-left: 0; border-top: 0; transform: translate(18px, 18px); }
.styx.locked .styx-lock .br { opacity: 1; transform: none; }
.styx-lock .cross { position: absolute; inset: 0; opacity: 0; }
.styx-lock .cross::before, .styx-lock .cross::after { content: ""; position: absolute; background: rgba(243,178,76,.75); }
.styx-lock .cross::before { left: 50%; top: 0; bottom: 0; width: 1px; }
.styx-lock .cross::after { top: 50%; left: 0; right: 0; height: 1px; }
.styx-lock .grid { position: absolute; inset: 0; border-radius: 10px; opacity: 0;
  background-image: linear-gradient(rgba(243,178,76,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(243,178,76,.22) 1px, transparent 1px); background-size: 12.5% 12.5%; }
.styx-lock .scan { position: absolute; left: 0; right: 0; top: 0; height: 2px; opacity: 0; background: linear-gradient(90deg, transparent, var(--sun), transparent); box-shadow: 0 0 18px rgba(243,178,76,.8); }
.styx-lock .tag { position: absolute; font: 600 10.5px/1 ui-monospace, "SF Mono", Menlo, Consolas, monospace; letter-spacing: .08em; color: #1a1306; background: var(--sun); padding: 4px 6px; border-radius: 2px; opacity: 0; white-space: nowrap; }
.styx-lock .tag.t1 { left: -14px; top: -40px; }
.styx-lock .tag.t2 { right: -14px; bottom: -40px; }
.styx.scanning .styx-lock .grid { animation: styx-grid 1.3s ease 1; }
.styx.scanning .styx-lock .cross { animation: styx-cross 1.3s var(--ease) 1; }
.styx.scanning .styx-lock .scan { animation: styx-scan 1.1s var(--ease) 1; }
.styx.locked .styx-lock .tag { opacity: 1; transition: opacity .3s ease .2s; }
@keyframes styx-grid { 0% { opacity: 0; } 20% { opacity: 1; } 75% { opacity: .7; } 100% { opacity: 0; } }
@keyframes styx-cross { 0% { opacity: 0; transform: scale(.4); } 30% { opacity: 1; transform: scale(1); } 80% { opacity: .8; } 100% { opacity: 0; } }
@keyframes styx-scan { 0% { top: 0; opacity: 0; } 12% { opacity: 1; } 100% { top: calc(100% - 2px); opacity: 0; } }

/* the read-out panel */
.styx-hud { position: relative; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; letter-spacing: .06em; color: #CFE0F2;
  padding: 22px 22px 20px; border: 1px solid rgba(127,176,230,.3); border-radius: 12px; background: linear-gradient(160deg, rgba(62,133,211,.16), rgba(7,9,13,.42));
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.hud-top { display: flex; justify-content: space-between; gap: 12px; color: var(--blue-glow); font-size: 11px; }
.hud-status { color: var(--sun); }
.hud-progress { height: 2px; margin-top: 10px; background: rgba(127,176,230,.18); overflow: hidden; }
.hud-progress i { display: block; height: 100%; width: 100%; background: var(--sun); transform-origin: 0 50%; transform: scaleX(0); }
.hud-name { font-family: var(--font); font-size: clamp(28px, 2.6vw, 38px); font-weight: 700; letter-spacing: -.01em; color: #fff; margin: 14px 0 8px; min-height: 1.15em; }
.hud-desc { font-family: var(--font); font-size: 15.5px; line-height: 1.5; letter-spacing: 0; color: var(--on); min-height: 4.5em; margin: 0 0 12px; }
.hud-grid { display: grid; grid-template-columns: 1fr auto; gap: 14px; padding-top: 12px; border-top: 1px dashed rgba(127,176,230,.25); }
.hud-rows { display: grid; gap: 9px; align-content: start; }
.hud-r { display: grid; grid-template-columns: 7.2em 1fr; align-items: center; gap: 8px; }
.hud-r span:first-child { color: var(--blue-glow); font-size: 10.5px; text-transform: uppercase; }
.hud-r b { font-weight: 500; color: #fff; font-size: 13px; letter-spacing: .04em; white-space: nowrap; }
.hud-meter { position: relative; height: 6px; border-radius: 3px; background: rgba(127,176,230,.18); overflow: hidden; }
.hud-meter i { position: absolute; inset: 0; background: linear-gradient(90deg, #7FB0E6, var(--sun)); transform-origin: 0 50%; transform: scaleX(0); }
.hud-dial { width: 96px; height: 96px; }
.hud-dial .ring { fill: none; stroke: rgba(127,176,230,.22); stroke-width: 6; }
.hud-dial .ticks line { stroke: rgba(127,176,230,.45); stroke-width: 1; }
.hud-dial .hud-arc { fill: none; stroke: var(--sun); stroke-width: 6; stroke-linecap: round; }
.hud-dial text { fill: var(--blue-glow); font-size: 9px; font-family: ui-monospace, Menlo, Consolas, monospace; text-anchor: middle; }
.hud-spec { display: flex; align-items: flex-end; gap: 3px; height: 30px; margin-top: 14px; }
.hud-spec i { flex: 1; background: rgba(127,176,230,.55); border-radius: 1px; height: 8%; transition: height .18s linear; }
.hud-tags { margin: 10px 0 0; color: var(--on-3); font-size: 11.5px; text-transform: uppercase; min-height: 1.2em; }

.styx-nav { display: flex; gap: 10px; margin-top: 18px; }
.styx-nav button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: transparent; color: #fff; cursor: pointer; display: grid; place-items: center; transition: background-color .2s ease; }
.styx-nav button:hover { background: rgba(255,255,255,.1); }
.styx-nav svg { width: 18px; height: 18px; }

/* preview-only switcher for the four backgrounds */


@media (max-width: 900px) {
  .styx { padding: 88px 0 40px; }
  .styx-body { grid-template-columns: 1fr; }
  .styx-stage { height: 270px; }
  .styx-card { --s: 190px; }
  .styx-lock { --s: calc(190px * 1.12); }
  .styx-hud { padding: 16px; }
  .hud-desc { min-height: 3em; }
}
@media (prefers-reduced-motion: reduce) {
  .styx.scanning .styx-lock .grid, .styx.scanning .styx-lock .cross, .styx.scanning .styx-lock .scan { animation: none; }
}

/* ---- 03/10 revision ----
   Data font: Switzer with tabular figures instead of a monospace (the slashed zero reads as machine-made).
   The panel keeps one size and one translucency; the read-out appears inside it. */
.styx-hud, .styx-lock .tag, .hud-dial text { font-family: var(--font); font-variant-numeric: tabular-nums; }
.styx-hud { height: 452px; display: grid; grid-template-rows: auto; align-content: start;
  background: rgba(16, 26, 42, .46); border-color: rgba(127,176,230,.22); -webkit-backdrop-filter: blur(16px) saturate(130%); backdrop-filter: blur(16px) saturate(130%); }
.hud-top { font-size: 11px; font-weight: 600; letter-spacing: .14em; }
.hud-name { margin: 16px 0 6px; line-height: 1.15em; height: 1.2em; overflow: hidden; white-space: nowrap; }
.hud-desc { height: 4.6em; min-height: 0; overflow: hidden; margin: 6px 0 0; }
.hud-grid { margin-top: 10px; }
.hud-r span:first-child { font-size: 10.5px; font-weight: 600; letter-spacing: .14em; }
.hud-r b { font-weight: 600; font-size: 14px; letter-spacing: .02em; }
.hud-tags { font-size: 11px; font-weight: 600; letter-spacing: .14em; margin: 8px 0 0; white-space: nowrap; overflow: hidden; }
.styx-lock .tag { font-weight: 700; font-size: 10.5px; letter-spacing: .1em; }

/* energy: ten cells, cool to warm, lit one by one */
.hud-meter { display: grid; grid-template-columns: repeat(10, 1fr); gap: 3px; height: 8px; background: none; border-radius: 0; overflow: visible; }
.hud-meter i { position: static; transform: none; border-radius: 2px; background: rgba(127,176,230,.16); transition: background-color .25s ease, box-shadow .25s ease; }
.hud-meter i.on:nth-child(1), .hud-meter i.on:nth-child(2) { background: #5E9BE0; }
.hud-meter i.on:nth-child(3), .hud-meter i.on:nth-child(4) { background: #4FC1E0; }
.hud-meter i.on:nth-child(5), .hud-meter i.on:nth-child(6) { background: #4FD6B0; }
.hud-meter i.on:nth-child(7), .hud-meter i.on:nth-child(8) { background: #B6E26B; }
.hud-meter i.on:nth-child(9), .hud-meter i.on:nth-child(10) { background: #FF7A59; }
.hud-meter i.on { box-shadow: 0 0 8px currentColor; }

/* the equaliser: bars scale from the floor, coloured low to high */
.hud-spec { height: 34px; margin-top: 12px; gap: 2px; }
.hud-spec i { height: 100%; transform-origin: 50% 100%; transform: scaleY(.06); transition: none; background: linear-gradient(180deg, #8EC3F2, #3E85D3); }
.hud-spec i:nth-child(n+10) { background: linear-gradient(180deg, #7FE3D0, #2FA7B8); }
.hud-spec i:nth-child(n+20) { background: linear-gradient(180deg, #D6EFA0, #6FBF8E); }

/* E - white, with the same floor reflection as A */


@media (max-width: 900px) { .styx-hud { height: 420px; } }
.hud-meter i.on { box-shadow: none; }
.hud-r { grid-template-columns: 8.6em 1fr; }

/* audit fixes 03/10: screen-reader line, narrow HUD, white-variant status contrast */
.styx-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (max-width: 900px) {
  .hud-grid { grid-template-columns: minmax(0, 1fr); }
  .hud-dial { display: none; }
  .hud-r { grid-template-columns: 7.4em minmax(0, 1fr); }
  .hud-r b { white-space: normal; }
  .hud-tags { white-space: normal; }
}
/* preview-only accent picker */


/* every line of the read-out holds its place: fixed heights, no wrapping, values clipped, so the
   decoding glyphs and the typing never move anything */
.styx-hud > * { flex: none; }
.hud-top { height: 14px; line-height: 14px; overflow: hidden; }
.hud-top span { white-space: nowrap; }
.hud-status { min-width: 8.5em; text-align: right; }
.hud-name { height: 46px; line-height: 46px; margin: 12px 0 4px; }
.hud-desc { height: 4.5em; line-height: 1.5; }
.hud-rows { grid-template-rows: repeat(4, 22px); gap: 8px; }
.hud-r { height: 22px; grid-template-columns: 8.6em minmax(0, 1fr); }
.hud-r span:first-child { white-space: nowrap; }
.hud-r b { white-space: nowrap; overflow: hidden; text-overflow: clip; line-height: 22px; }
.hud-r > div { min-width: 0; }
.hud-energy { display: inline-block; min-width: 3.2em; text-align: right; }
.hud-spec { height: 34px; flex: none; }
.hud-tags { height: 1.3em; line-height: 1.3em; white-space: nowrap; overflow: hidden; }
@media (max-width: 900px) {
  .hud-r { grid-template-columns: 7.8em minmax(0, 1fr); }
  .hud-r span:first-child { font-size: 9.5px; letter-spacing: .1em; }
  .hud-r b { white-space: nowrap; font-size: 13px; }
  .hud-tags { white-space: nowrap; }
}
.hud-idx { display: none; }
.hud-top { justify-content: flex-start; }
.hud-status { min-width: 0; text-align: left; }

/* panel trimmed to its content (03/10): no empty band at the bottom */
.styx-hud { height: 394px; }
@media (max-width: 900px) { .styx-hud { height: 372px; } }
/* variant: the read-out floats with no glass plate behind it */

/* preview-only panel picker */

.styx-hud { height: 420px; }
@media (max-width: 900px) { .styx-hud { height: 396px; } }
/* the changer fades out before the read-out column, so no cover runs under the text */
@media (min-width: 901px) {
  .styx-stage { -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 70px), transparent 100%); mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 70px), transparent 100%); }
}
.styx-lock .tag-v:not(:empty)::before { content: "· "; }
@media (min-width: 901px) {
  .styx-stage { -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 70px, #000 calc(100% - 70px), transparent 100%); mask-image: linear-gradient(90deg, transparent 0, #000 70px, #000 calc(100% - 70px), transparent 100%); }
}

/* 04/10: tighter screen. ~86% of the viewport so the next block rises into view, content lifted and
   scaled up, the changer tall enough for the full reflection, soft blends into the neighbours. */
.styx { min-height: 86vh; min-height: 86svh; align-items: flex-start; padding: clamp(96px, 9vh, 128px) 0 clamp(24px, 3vh, 40px); }
.styx-title { font-size: clamp(34px, 3.9vw, 62px); }
.styx-sub { font-size: clamp(17px, 1.35vw, 21px); max-width: 42rem; }
.styx-body { margin-top: clamp(8px, 1.6vw, 24px); grid-template-columns: minmax(0, 1fr) minmax(340px, 430px); }
.styx-card { --s: clamp(220px, 21vw, 330px); }
.styx-lock { --s: calc(clamp(220px, 21vw, 330px) * 1.12); }
.styx-stage { height: clamp(400px, 52vh, 560px); perspective-origin: 50% 40%; }
/* cards sit a little above the middle so the reflection below has room inside the stage */
.styx-card { top: 44%; }
.styx-lock { top: 44%; }
.hud-name { font-size: clamp(30px, 2.8vw, 42px); height: 50px; line-height: 50px; }
.hud-desc { font-size: 16.5px; }
.styx-hud { height: 436px; }
/* blends: from the hero's black at the top, into the next section's night at the bottom */
.styx::before, .styx.bg-a::after { content: ""; position: absolute; left: 0; right: 0; z-index: 0; pointer-events: none; }
.styx::before { top: 0; height: 180px; background: linear-gradient(180deg, var(--black) 0%, rgba(7,9,13,0) 100%); }
.styx.bg-a::after { bottom: 0; height: 160px; background: linear-gradient(180deg, rgba(11,15,21,0) 0%, var(--night) 100%); }
@media (max-width: 900px) {
  .styx { min-height: 0; }
  .styx-card { --s: 200px; top: 46%; }
  .styx-lock { --s: calc(200px * 1.12); top: 46%; }
  .styx-stage { height: 330px; }
  .styx-hud { height: 404px; }
}
@media (max-width: 900px) { .styx-body { grid-template-columns: minmax(0, 1fr); } }

/* 04/10 b: film-visor type for the read-out (Chakra Petch: technical, square, no slashed zero);
   the description keeps Switzer for reading. Coordinates in the top line and beside the brackets. */
.styx-hud, .styx-lock .tag, .styx-lock .coord, .hud-dial text { font-family: "Chakra Petch", var(--font); font-variant-numeric: tabular-nums; }
.hud-desc { font-family: var(--font); }
.hud-name { font-family: "Chakra Petch", var(--font); font-weight: 600; letter-spacing: .01em; text-transform: uppercase; font-size: clamp(28px, 2.5vw, 38px); }
.hud-top { display: grid; grid-template-columns: auto 1fr; gap: 12px; }
.hud-coord { justify-self: end; color: var(--blue-glow); opacity: .85; white-space: nowrap; }
.hud-r span:first-child { font-size: 11px; letter-spacing: .16em; }
.hud-r b { font-size: 15px; font-weight: 600; letter-spacing: .06em; }
.hud-tags, .hud-top { font-size: 11.5px; letter-spacing: .18em; }
.styx-lock .tag { font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.styx-lock .coord { position: absolute; font-size: 10.5px; font-weight: 500; letter-spacing: .12em; color: var(--blue-glow); white-space: nowrap; opacity: 0; transition: opacity .3s ease .3s; }
.styx-lock .c1 { right: -14px; top: -38px; }
.styx-lock .c2 { left: -14px; bottom: -38px; }
.styx.locked .styx-lock .coord { opacity: .9; }



/* sizes: a step back from the last pass, and a screen 10% taller */
.styx { min-height: 85vh; min-height: 85svh; }   /* 12/10: a tenth of the screen less empty floor under the changer */
.styx-title { font-size: clamp(32px, 3.6vw, 56px); }
.styx-card { --s: clamp(210px, 19.5vw, 305px); }
.styx-lock { --s: calc(clamp(210px, 19.5vw, 305px) * 1.12); }
.styx-body { grid-template-columns: minmax(0, 1fr) minmax(330px, 410px); }
.styx-stage { height: clamp(400px, 54vh, 560px); }
.styx-hud { height: 424px; }
@media (max-width: 900px) {
  .styx { min-height: 0; }
  .styx-body { grid-template-columns: minmax(0, 1fr); }
  .styx-card { --s: 200px; }
  .styx-lock { --s: calc(200px * 1.12); }
  .styx-stage { height: 330px; }
  .styx-hud { height: 410px; }
  .hud-coord { display: none; }
}
/* Chakra Petch runs wider than Switzer: give the values room beside the dial */
.hud-grid { grid-template-columns: minmax(0, 1fr) 84px; gap: 10px; }
.hud-dial { width: 84px; height: 84px; }
.hud-r { grid-template-columns: 8em minmax(0, 1fr); }
.hud-r b { font-size: 14px; letter-spacing: .04em; }

/* 04/10 c: the changer runs the full width of the screen, like the record rack of a jukebox, with the
   selected cover in the middle; the read-out becomes the jukebox display, a wide strip under it. */
.styx-body { display: block; margin-top: clamp(4px, 1vw, 16px); }
.styx-stage { width: 100vw; margin-left: calc(50% - 50vw); height: clamp(380px, 47vh, 520px);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%); mask-image: linear-gradient(90deg, transparent 0, #000 7%, #000 93%, transparent 100%); }
.styx-card, .styx-lock { top: 46%; }
.styx-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 20px; margin-top: -6px; }
.styx-nav { margin-top: 0; }
.styx-hud { height: 196px; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1.15fr) minmax(0, .9fr); column-gap: clamp(20px, 2.6vw, 40px);
  grid-template-areas: "top top top" "prog prog prog" "name rows spec" "desc rows spec" "desc rows tags"; grid-template-rows: auto auto auto 1fr auto; }
.hud-top { grid-area: top; grid-template-columns: auto 1fr; }
.hud-progress { grid-area: prog; }
.hud-name { grid-area: name; margin: 12px 0 2px; }
.hud-desc { grid-area: desc; height: auto; max-height: 4.5em; margin: 0; }
.hud-grid { grid-area: rows; margin-top: 14px; padding-top: 0; border-top: 0; align-self: start; }
.hud-spec { grid-area: spec; align-self: end; height: 44px; margin: 0; }
.hud-tags { grid-area: tags; margin: 6px 0 0; }
@media (max-width: 900px) {
  .styx-stage { height: 330px; -webkit-mask-image: none; mask-image: none; }
  .styx-panel { grid-template-columns: minmax(0, 1fr); }
  .styx-hud { height: 404px; grid-template-columns: minmax(0, 1fr); grid-template-areas: "top" "prog" "name" "desc" "rows" "spec" "tags"; grid-template-rows: none; }
  .hud-desc { height: 4.5em; }
  .hud-grid { margin-top: 10px; padding-top: 10px; border-top: 1px dashed rgba(127,176,230,.25); }
  .hud-spec { height: 34px; margin-top: 10px; }
}
/* fit title + changer + display in one laptop screen */
@media (min-width: 901px) {
  .styx { padding-top: clamp(88px, 8.5vh, 120px); }
  .styx-title { font-size: clamp(30px, 3.2vw, 52px); margin-bottom: 10px; }
  .styx-sub { font-size: clamp(16px, 1.2vw, 19px); }
  .styx-card { --s: clamp(196px, 17.5vw, 290px); }
  .styx-lock { --s: calc(clamp(196px, 17.5vw, 290px) * 1.12); }
  .styx-stage { height: clamp(340px, 42vh, 500px); }
  .styx-hud { height: 188px; }
}
@media (max-width: 900px) { .hud-r b { font-size: 12.5px; } }
/* the mask clips at the stage box: keep the cover tags inside it */
@media (min-width: 901px) { .styx-card, .styx-lock { top: 52%; } }
@media (max-width: 400px) { .hud-r { grid-template-columns: 6.9em minmax(0, 1fr); } .hud-r span:first-child { letter-spacing: .08em; } }
@media (min-width: 901px) {
  .styx-stage { height: clamp(380px, 46vh, 540px); }
  .styx-card, .styx-lock { top: 50%; }
  .styx-panel { margin-top: -44px; position: relative; z-index: 2; }
}
/* all cover tags on the top line (style, coordinates, hours) so the display strip can sit close below */
.styx-lock .t2 { right: -14px; left: auto; top: -40px; bottom: auto; }
.styx-lock .c1 { right: auto; left: 50%; transform: translateX(-50%); top: -36px; }
.styx-lock .c2 { display: none; }
@media (min-width: 901px) {
  .styx-panel { margin-top: -30px; }
  .styx-hud { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr) minmax(0, .8fr); }
}
@media (min-width: 901px) and (max-width: 1399px) { .hud-grid { grid-template-columns: minmax(0, 1fr); } .hud-dial { display: none; } }
@media (max-width: 400px) { .hud-r b { font-size: 12px; letter-spacing: .02em; } }
.styx-lock .tag.t2 { right: -14px; left: auto; top: -40px; bottom: auto; }
.styx-lock .coord.c1 { display: none; }
@media (min-width: 901px) { .hud-tags { white-space: normal; height: 2.6em; line-height: 1.3em; } }
@media (max-width: 400px) { .hud-r { grid-template-columns: 6.4em minmax(0, 1fr); } .hud-r b { font-size: 11.5px; } }

/* ---- variant "Visière" (?hud=float), 05/10 ----
   The read-out is a pane of glass laid over the right of the changer, like the visor of a robot in a
   film showing what it has just scanned. One colour for everything it says - the brackets, the tags,
   the meters, the dial - and a slow scan that keeps running down the selected cover. */
.styx.hud-float { --mono: #EAF3FF; --mono-2: rgba(234,243,255,.62); --mono-3: rgba(234,243,255,.22); }
@media (min-width: 901px) {
  .styx.hud-float .styx-body { position: relative; }
  .styx.hud-float .styx-panel { position: absolute; z-index: 300; right: 0; top: 50%; transform: translateY(-50%);
    width: clamp(320px, 27vw, 400px); margin: 0; display: block; }
  .styx.hud-float .styx-hud { height: 430px; grid-template-columns: minmax(0, 1fr); grid-template-rows: none;
    grid-template-areas: "top" "prog" "name" "desc" "rows" "spec" "tags"; padding: 22px 22px 20px; }
  .styx.hud-float .hud-desc { height: 4.5em; }
  .styx.hud-float .hud-grid { margin-top: 10px; padding-top: 12px; border-top: 1px dashed var(--mono-3); grid-template-columns: minmax(0, 1fr) 84px; }
  .styx.hud-float .hud-dial { display: block; }
  .styx.hud-float .hud-spec { height: 34px; margin-top: 12px; }
  .styx.hud-float .styx-nav { margin-top: 14px; justify-content: flex-end; }
}
.styx.hud-float .styx-hud { background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
  border: 1px solid rgba(234,243,255,.28); box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 30px 60px -30px rgba(0,0,0,.6);
  -webkit-backdrop-filter: blur(18px) saturate(140%); backdrop-filter: blur(18px) saturate(140%); color: var(--mono); }
.styx.hud-float .hud-top, .styx.hud-float .hud-status, .styx.hud-float .hud-coord, .styx.hud-float .hud-r span:first-child,
.styx.hud-float .hud-tags, .styx.hud-float .hud-dial text { color: var(--mono-2); fill: var(--mono-2); }
.styx.hud-float .hud-status { color: var(--mono); }
.styx.hud-float .hud-name, .styx.hud-float .hud-desc, .styx.hud-float .hud-r b { color: var(--mono); }
.styx.hud-float .hud-progress { background: var(--mono-3); }
.styx.hud-float .hud-progress i { background: var(--mono); }
.styx.hud-float .hud-meter i { background: var(--mono-3); }
.styx.hud-float .hud-meter i.on { background: var(--mono); }
.styx.hud-float .hud-spec i { background: linear-gradient(180deg, var(--mono), rgba(234,243,255,.35)); }
.styx.hud-float .hud-dial .ring { stroke: var(--mono-3); }
.styx.hud-float .hud-dial .ticks line { stroke: var(--mono-2); }
.styx.hud-float .hud-dial .hud-arc { stroke: var(--mono); filter: none; }
/* the marks on the cover in the same colour */
.styx.hud-float .styx-lock .br { border-color: var(--mono); }
.styx.hud-float .styx-lock .tag { background: transparent; color: var(--mono); border: 1px solid var(--mono-2); }
.styx.hud-float .styx-lock .cross::before, .styx.hud-float .styx-lock .cross::after { background: var(--mono-2); }
.styx.hud-float .styx-lock .grid { background-image: linear-gradient(rgba(234,243,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(234,243,255,.18) 1px, transparent 1px); }
/* a light scan that keeps passing down the selected cover */
.styx.hud-float .styx-lock .scan { background: linear-gradient(90deg, transparent, rgba(234,243,255,.9), transparent); box-shadow: 0 0 16px rgba(234,243,255,.55); }
.styx.hud-float .styx-lock .scan::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 46px;
  background: linear-gradient(0deg, rgba(234,243,255,.12), transparent); }
.styx.hud-float.locked .styx-lock .scan { animation: styx-scan-loop 2.8s ease-in-out infinite; }
@keyframes styx-scan-loop { 0% { top: 0; opacity: 0; } 10% { opacity: .9; } 90% { opacity: .9; } 100% { top: calc(100% - 2px); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .styx.hud-float.locked .styx-lock .scan { animation: none; opacity: 0; } }
/* Visière, 05/10 b: no arrows, the pane a little lower, no scan line over the cover */
.styx.hud-float .styx-nav { display: none; }
@media (min-width: 901px) { .styx.hud-float .styx-panel { top: calc(50% + 48px); } }
.styx.hud-float .styx-lock .scan, .styx.hud-float.locked .styx-lock .scan, .styx.hud-float.scanning .styx-lock .scan { animation: none; opacity: 0; display: none; }
@media (min-width: 901px) { .styx.hud-float .styx-panel { top: 50%; } }

/* 12/10: the chosen accent of this screen (sky); the rest of the site keeps the sun */
.styx { --sun: #5BC0EB; }