/* =====================================================================
   WIIMERICA — Wii Menu recreation
   Wii chrome assets (fonts / sounds / textures) from danintosh/Wii-Menu-HTML (MIT).
   All layout + behaviour written for this project.
   ===================================================================== */

/* Latin subsets of the Wii system fonts — 7.7KB instead of 2.4MB.
   Sources live in tools/font-src/; rebuild with `npm run fonts`. */
@font-face {
  font-family: "WiiUI";
  src: url("../fonts/main.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "WiiClock";
  src: url("../fonts/clock.woff2") format("woff2");
  font-display: swap;
}

:root {
  --wii-grey:        #b8b7bc;
  --wii-blue:        #7dcde8;
  --wii-blue-deep:   #2ba3d4;
  --wii-bar-text:    #7b7b7d;
  --wii-clock-text:  #9c9c9c;
  --us-red:          #c8102e;
  --us-blue:         #1b3d8f;
  --bar-h:           190px;
}

* { box-sizing: border-box; }

/* The `hidden` attribute is only a UA-level `display: none`, so any author
   rule setting display (e.g. .wii-btn) silently beats it and the element
   stays on screen. Make the attribute authoritative. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: "WiiUI", "Trebuchet MS", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

/* CSS cannot scale a cursor image — it renders at its natural size — so the
   file itself is 47x60 (down from 101x128, which is the browser's max).
   Full-size original kept at tools/cursor-src.png.
   The 16 0 hotspot is the fingertip; regenerate it if the size changes. */
body { cursor: url("../img/cursor.png") 16 0, auto; }
button, a, .channel { cursor: url("../img/cursor.png") 16 0, pointer; }

/* =====================================================================
   BOOT / HEALTH & SAFETY
   ===================================================================== */

.boot {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  transition: opacity 600ms ease;
}

body:not(.state-boot) .boot {
  opacity: 0;
  pointer-events: none;
}

.boot-inner {
  width: min(880px, 88vw);
  text-align: center;
  animation: bootFadeIn 1200ms ease backwards;
}

@keyframes bootFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1); }
}

/* The source art is generated with wide empty margins; tools/make-thumbs.ps1
   trims the .png copy to its visible pixels, so this box is the wordmark and
   nothing else. Sizing is capped by height too, for short windows. */
.boot-logo {
  width: min(660px, 80vw);
  max-height: 24vh;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto clamp(28px, 5vh, 52px);
  filter: drop-shadow(0 6px 26px rgba(255, 255, 255, 0.22));
}

.boot-warning {
  border: 3px solid #fff;
  border-radius: 14px;
  padding: 26px 30px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.boot-warning h1 {
  margin: 0 0 16px;
  font-size: clamp(15px, 2.1vw, 26px);
  letter-spacing: 0.09em;
  color: #fff;
}

.boot-warning p {
  margin: 0;
  font-size: clamp(11px, 1.25vw, 15px);
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: #dfe3e8;
}

.boot-warning-sub {
  margin-top: 14px !important;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  color: #9fa6ae !important;
}

.boot-press {
  margin-top: 34px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 34px;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: transparent;
  color: #fff;
  font-family: inherit;
  font-size: clamp(13px, 1.5vw, 18px);
  letter-spacing: 0.06em;
  animation: bootPulse 1.6s ease-in-out infinite;
  transition: background 200ms ease, transform 200ms ease;
}

.boot-press:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: scale(1.04);
}

.boot-a {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #fff;
  color: #111;
  font-size: 15px;
  font-weight: 700;
}

@keyframes bootPulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.45; }
}

/* white flash when the menu boots */
.boot-flash {
  position: fixed;
  inset: 0;
  background: #fff;
  opacity: 0;
  pointer-events: none;
}

.boot-flash.fire { animation: flash 700ms ease-out; }

@keyframes flash {
  0%   { opacity: 0; }
  12%  { opacity: 1; }
  100% { opacity: 0; }
}

/* =====================================================================
   MAIN MENU
   ===================================================================== */

.menu {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  background-color: #d7dade;
  background-image: url("../img/bg.png");
  background-repeat: repeat;
  opacity: 0;
  transition: opacity 500ms ease, transform 650ms cubic-bezier(.2, .7, .3, 1);
  transform: scale(1);
}

body.state-menu .menu,
body.state-channel .menu,
body.state-mail .menu {
  opacity: 1;
}

/* the menu zooms toward the channel you picked */
body.state-channel .menu {
  transform: scale(3.2);
  opacity: 0;
  pointer-events: none;
}

.menu-top {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 2.2vh 0 0;
}

.channels-viewport {
  flex: 1;
  min-width: 0;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: clamp(10px, 1.5vh, 22px) clamp(10px, 1.1vw, 24px);
  width: min(1560px, 92%);
  /* 4x3 of ~16:9 tiles plus gaps. Keeping the ratio on the container is what
     stops the tiles going square on tall windows; max-height yields on short
     ones, which only makes the tiles a little wider than a real Wii. */
  aspect-ratio: 40 / 17;
  max-height: 100%;
  transition: transform 320ms cubic-bezier(.3, .7, .3, 1), opacity 220ms ease;
}

.channels.turning { opacity: 0; }

/* ---------- channel tile ---------- */

.channel {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 6px solid var(--wii-grey);
  border-radius: 22px;
  background: #fff;
  overflow: hidden;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
  /* staggered pop-in on boot.
     fill is `backwards`, not `both`, so that once the animation ends the
     tile returns to its own styles — otherwise the finished animation's
     scale(1) would outrank the :hover scale below. */
  animation: channelIn 420ms cubic-bezier(.2, 1.3, .4, 1) backwards;
  animation-delay: var(--d, 0ms);
}

@keyframes channelIn {
  from { opacity: 0; transform: scale(0.55); }
  to   { opacity: 1; transform: scale(1); }
}

.channel:hover,
.channel:focus-visible {
  border-color: var(--wii-blue);
  box-shadow: 0 0 0 3px rgba(125, 205, 232, 0.45), 0 8px 22px rgba(0, 0, 0, 0.18);
  transform: scale(1.035);
  outline: none;
  z-index: 5;
}

.channel-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.channel-media.vid { opacity: 0; transition: opacity 260ms ease; }
.channel:hover .channel-media.vid { opacity: 1; }
.channel.no-poster .channel-media.vid { opacity: 1; }

/* label plate that slides up on hover, like the real menu */
.channel-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.94);
  border-top: 2px solid var(--wii-grey);
  color: #4c4c4f;
  font-size: clamp(10px, 0.85vw, 15px);
  letter-spacing: 0.02em;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transform: translateY(105%);
  transition: transform 200ms ease;
}

.channel:hover .channel-label,
.channel:focus-visible .channel-label { transform: translateY(0); }

/* the "Buy" channel gets the americana treatment */
.channel.is-buy {
  border-color: var(--us-red);
  background: linear-gradient(160deg, var(--us-blue) 0%, #14295c 55%, var(--us-red) 100%);
}

.channel.is-buy:hover {
  border-color: #ff3b52;
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.45), 0 8px 22px rgba(0, 0, 0, 0.25);
}

.channel.is-buy .channel-media {
  object-fit: contain;
  padding: 12%;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}

.channel.is-buy .buy-flash {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: end center;
  padding-bottom: 8%;
  color: #fff;
  font-size: clamp(11px, 1vw, 18px);
  letter-spacing: 0.12em;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  animation: buyBlink 1.8s ease-in-out infinite;
}

@keyframes buyBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.35; }
}

/* empty slot — animated shimmer, like an unused Wii channel */
.channel.is-blank {
  background: repeating-linear-gradient(
    115deg,
    #e9eaec 0px, #e9eaec 14px,
    #f4f5f6 14px, #f4f5f6 28px
  );
  animation: channelIn 420ms cubic-bezier(.2, 1.3, .4, 1) backwards,
             blankPan 1.1s linear infinite;
  animation-delay: var(--d, 0ms), 0ms;
}

@keyframes blankPan {
  from { background-position: 0 0; }
  to   { background-position: 56px 0; }
}

.channel.is-blank:hover {
  border-color: var(--wii-grey);
  transform: none;
  box-shadow: none;
}

/* ---------- page arrows ---------- */

.page-arrow {
  flex: 0 0 auto;
  width: clamp(52px, 5vw, 92px);
  height: clamp(52px, 5vw, 92px);
  border: 0;
  background-color: transparent;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  transition: transform 160ms ease, opacity 160ms ease;
}

.page-arrow-left  { background-image: url("../img/back.png"); }
.page-arrow-right { background-image: url("../img/forward.png"); }
.page-arrow-left:hover  { background-image: url("../img/backhover.png"); }
.page-arrow-right:hover { background-image: url("../img/forwardhover.png"); }
.page-arrow:hover { transform: scale(1.08); }

.page-arrow[disabled] {
  opacity: 0.25;
  pointer-events: none;
}

/* =====================================================================
   BOTTOM BAR
   ===================================================================== */

.menu-bottom {
  position: relative;
  flex: 0 0 var(--bar-h);
  height: var(--bar-h);
  background-image: url("../img/bottom.png");
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-position: top center;
  /* clock, date and page dots share one centred column so they can never
     collide, however short the bar gets */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 0.9vh, 12px);
  /* nudge down past the dip in the bar graphic. vh, not %, because
     percentage padding resolves against the container's *width*. */
  padding-top: clamp(6px, 1.6vh, 18px);
  padding-bottom: clamp(4px, 1vh, 12px);
}

.clock-wrap {
  text-align: center;
  line-height: 1;
  pointer-events: none;
}

.clock {
  font-family: "WiiClock", "WiiUI", sans-serif;
  font-size: clamp(30px, 4.2vw, 74px);
  color: var(--wii-clock-text);
  letter-spacing: 0.01em;
}

.date {
  margin-top: 4px;
  font-size: clamp(13px, 1.6vw, 28px);
  color: var(--wii-bar-text);
  font-weight: 800;
  letter-spacing: 0.02em;
}

/* the disc slot (left) and mail (right) */
.disc-slot,
.mail-slot {
  position: absolute;
  bottom: 18%;
  width: clamp(64px, 6.6vw, 116px);
  height: clamp(64px, 6.6vw, 116px);
  border-radius: 50%;
  border: 4px solid #fff;
  background: #e7e9ec;
  padding: 0;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.22), inset 0 0 0 2px rgba(0, 0, 0, 0.06);
  transition: transform 200ms ease, box-shadow 200ms ease;
  display: grid;
  place-items: center;
}

/* only the disc slot clips — it has to crop the avatar into the circle.
   The mail slot must NOT, or its badge gets sliced by the round edge. */
.disc-slot { overflow: hidden; }

.disc-slot { left: clamp(20px, 3.5vw, 74px); }
.mail-slot { right: clamp(20px, 3.5vw, 74px); }

.disc-slot:hover,
.mail-slot:hover {
  transform: scale(1.1);
  box-shadow: 0 0 0 4px rgba(125, 205, 232, 0.6), 0 4px 14px rgba(0, 0, 0, 0.25);
}

.disc-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mail-icon {
  width: 52%;
  height: 38%;
  border: 3px solid #6f7681;
  border-radius: 3px;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.mail-icon::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 118%;
  height: 118%;
  border-bottom: 3px solid #6f7681;
  transform: translateX(-50%) rotate(0deg);
  clip-path: polygon(0 0, 50% 62%, 100% 0);
  border-left: 3px solid #6f7681;
  border-right: 3px solid #6f7681;
}

/* sits on the top-right rim of the circle rather than inside it, so it
   neither gets clipped nor crowds the envelope glyph */
.mail-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  z-index: 2;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--us-red);
  color: #fff;
  font-size: 12px;
  line-height: 22px;
  text-align: center;
  /* white ring separates it from both the button and the bar behind it */
  box-shadow: 0 0 0 2px #fff, 0 2px 5px rgba(0, 0, 0, 0.35);
}

.mail-badge[hidden] { display: none; }

/* page dots */
.page-dots {
  display: flex;
  gap: 9px;
}

.page-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #8d9299;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.25);
  transition: background 200ms ease, transform 200ms ease;
}

.page-dots span.on {
  background: var(--us-red);
  transform: scale(1.25);
}

/* =====================================================================
   CHANNEL VIEW
   ===================================================================== */

.channel-view {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease;
}

body.state-channel .channel-view {
  opacity: 1;
  pointer-events: auto;
}

.channel-stage {
  flex: 1;
  min-height: 0;
  position: relative;
  /* flex, not grid: a percentage max-height only resolves against a parent
     with a definite height, and an auto-sized grid row grows to fit its item
     instead — which let tall videos overflow and get clipped */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden auto;
  background: #000;
}

.channel-stage > video,
.channel-stage > img {
  max-width: 100%;
  max-height: 100%;
  min-height: 0;
  flex: 0 1 auto;
  object-fit: contain;
  display: block;
  animation: stageIn 500ms cubic-bezier(.2, .8, .3, 1) backwards;
}

@keyframes stageIn {
  from { opacity: 0; transform: scale(0.82); }
  to   { opacity: 1; transform: scale(1); }
}

/* soundtrack player laid over the stage */
.stage-audio {
  position: absolute;
  left: 50%;
  bottom: 74px;
  transform: translateX(-50%);
  width: min(460px, 82%);
  z-index: 3;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.6));
}

.stage-audio.raised { bottom: 92px; }

.stage-note {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
  color: #e7eaee;
  font-size: clamp(12px, 1.3vw, 18px);
  text-align: center;
  letter-spacing: 0.02em;
}

/* --- buy panel --- */
.buy-panel {
  width: min(760px, 90vw);
  /* auto margins rather than align-items, so nothing is cut off at the top
     if the panel ever has to scroll */
  margin: auto;
  flex: 0 0 auto;
  padding: 20px 24px;
  text-align: center;
  color: #fff;
  animation: stageIn 500ms cubic-bezier(.2, .8, .3, 1) backwards;
}

/* sized against viewport height as well as width, so the Buy/Chart buttons
   stay above the fold on short laptop screens */
.buy-panel img {
  width: min(260px, 42vw, 26vh);
  border-radius: 20px;
  border: 5px solid #fff;
  margin-bottom: 16px;
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.55);
}

.buy-panel h2 {
  margin: 0 0 6px;
  font-size: clamp(20px, 2.6vw, 36px);
  letter-spacing: 0.04em;
}

.buy-panel .buy-sub {
  margin: 0 0 16px;
  color: #aab2bd;
  font-size: clamp(12px, 1.3vw, 17px);
}

.buy-ca {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  margin: 0 auto 16px;
  padding: 10px 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
}

/* The channel page is where people actually read the address, so let it wrap
   onto a second line on narrow screens rather than truncating it. */
.buy-ca code {
  flex: 1;
  min-width: 0;
  white-space: normal;
  overflow-wrap: anywhere;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: clamp(11px, 1.2vw, 16px);
  line-height: 1.45;
  color: #fff;
}

.buy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* =====================================================================
   WII MAIL
   ===================================================================== */

.mail-view {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  background: rgba(10, 14, 20, 0.72);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

body.state-mail .mail-view {
  opacity: 1;
  pointer-events: auto;
}

.mail-panel {
  width: min(620px, 90vw);
  max-height: 80vh;
  overflow: auto;
  padding: 28px;
  border: 6px solid var(--wii-grey);
  border-radius: 26px;
  background: #fff;
  text-align: center;
  transform: translateY(14px);
  transition: transform 300ms cubic-bezier(.2, .9, .3, 1);
}

body.state-mail .mail-panel { transform: translateY(0); }

.mail-panel h2 {
  margin: 0 0 20px;
  color: #4c4c4f;
  font-size: clamp(20px, 2.4vw, 30px);
  letter-spacing: 0.05em;
}

.mail-item {
  padding: 14px 16px;
  margin-bottom: 12px;
  border: 3px solid #dcdee1;
  border-radius: 14px;
  background: #f7f8f9;
  text-align: left;
}

.mail-item .m-from {
  font-size: 12px;
  color: #8d9298;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mail-item .m-subject {
  margin: 3px 0 6px;
  font-size: clamp(14px, 1.5vw, 19px);
  color: #33363a;
}

.mail-item .m-body {
  font-size: clamp(12px, 1.25vw, 15px);
  color: #5d626a;
  line-height: 1.6;
}

.mail-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--wii-blue-deep);
  text-decoration: none;
  font-size: 14px;
}

.mail-link:hover { text-decoration: underline; }

/* =====================================================================
   BUTTONS
   ===================================================================== */

.channel-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px clamp(16px, 4vw, 60px);
  background: linear-gradient(#e8eaed, #c9ced4);
  border-top: 3px solid #9aa1a9;
}

.channel-title {
  flex: 1;
  text-align: center;
  color: #4a4d52;
  font-size: clamp(14px, 1.8vw, 26px);
  letter-spacing: 0.04em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wii-btn {
  flex: 0 0 auto;
  padding: 12px clamp(18px, 2.6vw, 40px);
  border: 3px solid #a9aeb5;
  border-radius: 999px;
  background: linear-gradient(#ffffff, #dfe3e7);
  color: #4a4d52;
  font-family: inherit;
  font-size: clamp(13px, 1.4vw, 20px);
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-block;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.wii-btn:hover {
  transform: scale(1.06);
  border-color: var(--wii-blue);
  box-shadow: 0 0 0 3px rgba(125, 205, 232, 0.4);
}

.wii-btn-primary {
  background: linear-gradient(#e2536a, var(--us-red));
  border-color: #8f0b20;
  color: #fff;
}

.wii-btn-primary:hover {
  border-color: #ff8195;
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.4);
}

/* =====================================================================
   CONTRACT ADDRESS BAR
   ===================================================================== */

.ca-bar {
  position: fixed;
  z-index: 400;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: min(680px, 92vw);
  padding: 8px 8px 8px 14px;
  border: 3px solid #fff;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--us-blue), #2b2f7a 55%, var(--us-red));
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.ca-bar[hidden] { display: none; }

/* The bar is position:fixed, so anything that starts at the top of the
   screen has to be pushed clear of it. Set by wii.js only when an address
   is actually configured. */
.has-ca .menu-top      { padding-top: 78px; }
.has-ca .channel-stage { padding-top: 72px; }

.ca-label {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.8);
}

.ca-value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: clamp(11px, 1.15vw, 14px);
  color: #fff;
}

.ca-copy {
  flex: 0 0 auto;
  padding: 6px 16px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: var(--us-blue);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.06em;
  transition: transform 150ms ease;
}

.ca-copy:hover { transform: scale(1.07); }
.ca-copy.done  { background: #21c07a; color: #fff; }

/* =====================================================================
   MUTE
   ===================================================================== */

.mute-btn {
  position: fixed;
  z-index: 400;
  right: 14px;
  top: 14px;
  width: 42px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 17px;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease, transform 150ms ease;
}

body:not(.state-boot) .mute-btn {
  opacity: 0.75;
  pointer-events: auto;
}

.mute-btn:hover { opacity: 1; transform: scale(1.08); }

/* =====================================================================
   RESPONSIVE
   ===================================================================== */

@media (max-width: 1100px) {
  :root { --bar-h: 150px; }
  .channels { width: 94%; }
}

/* Short windows: give the channel grid its height back by shrinking the
   bottom bar, otherwise the tiles flatten well past the console's 16:9. */
@media (min-width: 821px) and (max-height: 780px) {
  :root { --bar-h: 150px; }
  .has-ca .menu-top { padding-top: 70px; }
}

@media (min-width: 821px) and (max-height: 640px) {
  :root { --bar-h: 118px; }
  .has-ca .menu-top { padding-top: 66px; }
}

@media (max-width: 820px) {
  :root { --bar-h: 108px; }

  /* Two columns of six, arrows in a row underneath. Everything still fits
     one screen — the real console never scrolls, and neither should this. */
  .menu-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr auto;
    grid-template-areas:
      "grid  grid"
      "left  right";
    align-items: center;
    row-gap: 8px;
    padding: 54px 0 10px;
  }

  .channels-viewport { grid-area: grid; width: 100%; }
  .page-arrow-left   { grid-area: left;  justify-self: end; }
  .page-arrow-right  { grid-area: right; justify-self: start; }

  .channels {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 9px;
    width: min(420px, 94%);
    /* 2 x 6 grid of 2:1 tiles, gaps included */
    aspect-ratio: 5 / 8;
    max-height: 100%;
    margin: 0 auto;
  }

  .page-arrow { width: 48px; height: 48px; }

  /* no hover on touch — the label is always up */
  .channel-label {
    transform: translateY(0);
    font-size: 11px;
    padding: 4px 6px;
  }

  .disc-slot, .mail-slot { bottom: 14%; }

  /* keep the address bar clear of the mute button */
  .ca-bar {
    top: 8px;
    padding: 6px 6px 6px 12px;
    max-width: calc(100vw - 104px);
  }

  .has-ca .menu-top      { padding-top: 58px; }
  .has-ca .channel-stage { padding-top: 50px; }
  .mute-btn { top: 8px; right: 8px; width: 34px; height: 34px; font-size: 14px; }

  .channel-bar { flex-wrap: wrap; justify-content: center; gap: 10px; }
  .channel-title { order: -1; flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}