:root {
  --bg: #1c1610;
  --panel: #9a9e94;
  --ink: #1a1c18;
  --muted: rgba(26, 28, 24, 0.65);
  --cream: #f2efe6;
  --amber: #e8a017;
  --slot: #1e201c;
  --font-brand: 'Bebas Neue', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.4;
  color: var(--cream);
  background: var(--bg);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.studio {
  min-height: 100svh;
  padding: 1.5rem;
}

.board {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.25rem;
  background: var(--panel);
  border-radius: 8px;
  color: var(--ink);
}

.board__brand {
  text-align: center;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.board__name {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(2.8rem, 8vw, 4.5rem);
  letter-spacing: 0.04em;
  line-height: 1;
}

.board__tagline {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.board__mix {
  max-width: 38rem;
  height: 13rem;
  margin: 1rem auto 0;
  padding: 0.75rem;
  text-align: left;
  background: rgba(242, 239, 230, 0.35);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  transition: opacity 0.2s ease;
}

.board__mix-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8a5a10;
}

.board__mix-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.5rem;
  height: calc(100% - 1.25rem);
}

.board__card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.2rem;
  min-height: 0;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.55);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.board__card--link:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.16);
}

.board__card-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(26, 28, 24, 0.5);
}

.board__card-meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #8a5a10;
}

.board__card-body {
  font-size: 0.82rem;
  line-height: 1.35;
  color: rgba(26, 28, 24, 0.88);
}

.board__channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 0.5rem;
}

.channel,
.master {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.5rem 1rem;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}

.channel.is-selected {
  border-color: rgba(0, 0, 0, 0.35);
  background: rgba(255, 255, 255, 0.22);
}

.channel__name,
.master__label {
  padding: 0;
  border: none;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.vu {
  position: relative;
  width: 48px;
  height: 28px;
  background: #c4b68a;
  border: 1px solid #5a5438;
  overflow: hidden;
}

.vu__needle {
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 2px;
  height: 22px;
  margin-left: -1px;
  background: #1a1208;
  transform-origin: 50% 100%;
  transform: rotate(8deg);
}

.channel__mute {
  width: 28px;
  height: 22px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cream);
  background: #2c2e2a;
  border: 1px solid #151714;
  border-radius: 2px;
}

.channel__mute.is-on {
  background: #c0392b;
}

.master {
  min-width: 4.5rem;
}

.master__meters {
  display: flex;
  gap: 6px;
  height: 140px;
}

.master__bar {
  position: relative;
  width: 10px;
  height: 100%;
  background: var(--slot);
  border: 1px solid #0d0e0c;
  overflow: hidden;
}

.master__bar span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: #3d9b4a;
}

.master__level {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
}

.fader {
  position: relative;
  width: 16px;
  height: 140px;
  background: var(--slot);
  border: 1px solid #0d0e0c;
  border-radius: 2px;
  touch-action: none;
  cursor: ns-resize;
}

.fader__fill {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(232, 160, 23, 0.35);
  pointer-events: none;
}

.fader__thumb {
  position: absolute;
  left: 50%;
  width: 28px;
  height: 22px;
  margin-left: -14px;
  background: #c4bfb0;
  border: 1px solid #3a3830;
  border-radius: 2px;
  pointer-events: none;
}

.talkback {
  max-width: 900px;
  margin: 2rem auto 0;
  padding: 1.5rem;
  text-align: center;
}

.talkback__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-brand);
  font-size: 2rem;
}

.talkback__copy {
  margin: 0 auto 1rem;
  color: rgba(242, 239, 230, 0.7);
}

.talkback__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
}

.talkback__btn {
  padding: 0.6rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--amber);
  border-radius: 3px;
}

.talkback__link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-decoration: none;
  color: rgba(242, 239, 230, 0.8);
}

@media (max-width: 600px) {
  .board__channels {
    grid-template-columns: 1fr 1fr;
  }

  .master {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: center;
  }

  .master__meters {
    height: 64px;
  }

  .fader {
    height: 110px;
  }
}