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

html,
body.tuner-page {
  margin: 0;
  min-height: 100%;
  color: var(--da-ink);
  font-family: var(--typo-body, "Manrope", system-ui, sans-serif);
  background:
    radial-gradient(120% 80% at 10% 0%, var(--da-grad-1), transparent 55%),
    radial-gradient(90% 70% at 90% 100%, var(--da-grad-2), transparent 50%),
    var(--da-base);
}

body.tuner-page {
  padding-left: var(--shell-content-offset, 64px);
}

body.tuner-page.is-embed {
  padding-left: 0;
  padding-bottom: 0;
  background: var(--da-base);
}

body.tuner-page.is-embed .tuner__head {
  display: none;
}

body.tuner-page.is-embed .tuner {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0.55rem 0.55rem 0.85rem;
}

html:has(body.tuner-page.is-embed),
body.tuner-page.is-embed {
  overflow: hidden;
  height: auto;
  min-height: 0;
}

.tuner {
  width: min(42rem, 100%);
  margin: 0 auto;
  padding: 1.25rem 1rem 2rem;
}

.tuner__head {
  margin-bottom: 1.25rem;
}

.tuner__kicker {
  margin: 0 0 0.35rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--da-ink-soft);
}

.tuner__title {
  margin: 0 0 0.4rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 800;
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  color: var(--da-ink);
}

.tuner__lede {
  margin: 0;
  max-width: 36rem;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--da-ink-muted);
}

.tuner__stage {
  display: grid;
  gap: 1rem;
}

.tuner__display {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  padding: 1.4rem 1rem 1.15rem;
  border-radius: 1.25rem;
  background:
    linear-gradient(165deg, var(--da-base-raised), var(--da-base-sunken));
  border: 1px solid var(--da-line);
  box-shadow: 0 12px 32px var(--da-shadow);
  overflow: hidden;
}

.tuner__display::before {
  content: "";
  position: absolute;
  inset: -40% auto auto 50%;
  width: 70%;
  height: 70%;
  translate: -50% 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--da-accent-glow), transparent 68%);
  pointer-events: none;
  opacity: 0.55;
}

.tuner__noteRow {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.25rem;
  min-height: 5.5rem;
}

.tuner__note {
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 800;
  font-size: clamp(4.2rem, 16vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--da-ink);
}

.tuner__note.is-idle {
  font-weight: 600;
  opacity: 0.28;
  letter-spacing: 0;
}

.tuner__octave {
  margin-top: 0.55rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--da-ink-soft);
}

.tuner__meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.25rem;
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  color: var(--da-ink-muted);
}

.tuner__cents {
  font-weight: 600;
  color: var(--da-ink);
}

.tuner__gauge {
  position: relative;
  width: min(100%, 22rem);
  height: 0.7rem;
  margin: 0.55rem auto 0.15rem;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--da-accent-2-soft),
    var(--da-base-raised) 42%,
    var(--da-accent-soft) 50%,
    var(--da-base-raised) 58%,
    var(--da-accent-2-soft)
  );
  border: 1px solid var(--da-line);
}

.tuner__gaugeCenter {
  position: absolute;
  left: 50%;
  top: -4px;
  bottom: -4px;
  width: 2px;
  translate: -50% 0;
  background: var(--da-accent);
  opacity: 0.85;
  border-radius: 2px;
}

.tuner__needle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  translate: -50% -50%;
  border-radius: 50%;
  background: var(--da-ink);
  border: 2px solid var(--da-base);
  box-shadow: 0 2px 8px var(--da-shadow-strong);
  transition:
    left 80ms linear,
    background-color 160ms ease;
}

.tuner__gauge[data-state="in-tune"] .tuner__needle {
  background: var(--da-accent);
}

.tuner__gauge[data-state="close"] .tuner__needle {
  background: var(--da-accent-2);
}

.tuner__gauge[data-state="off"] .tuner__needle {
  background: var(--da-ink);
}

.tuner__gauge[data-state="idle"] .tuner__needle {
  background: var(--da-ink-faint);
}

.tuner__status {
  position: relative;
  margin: 0.35rem 0 0;
  min-height: 1.4em;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--da-ink-muted);
}

.tuner__status[data-tone="ok"] {
  color: var(--da-accent-hover);
}

.tuner__status[data-tone="low"],
.tuner__status[data-tone="high"] {
  color: var(--da-accent-2-hover);
}

.tuner__status[data-tone="err"] {
  color: var(--da-ink);
}

.tuner__status[data-tone="listen"] {
  color: var(--da-accent);
}

.tuner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

.tuner__btn {
  appearance: none;
  border: 1px solid var(--da-line-strong);
  border-radius: 999px;
  padding: 0.72rem 1.35rem;
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    transform 140ms ease;
}

.tuner__btn:active {
  transform: translateY(1px);
}

.tuner__btn:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.tuner__btn--primary {
  background: var(--da-accent);
  border-color: transparent;
  color: var(--da-accent-ink);
}

.tuner__btn--primary:hover {
  background: var(--da-accent-hover);
}

.tuner__btn--ghost {
  background: transparent;
  color: var(--da-ink);
}

.tuner__btn--ghost:hover {
  background: var(--da-accent-soft);
  border-color: var(--da-accent);
}

.tuner__strings {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.45rem;
}

.tuner__stringBtn {
  appearance: none;
  display: grid;
  gap: 0.15rem;
  justify-items: center;
  padding: 0.65rem 0.25rem;
  border-radius: 0.85rem;
  border: 1px solid var(--da-line);
  background: var(--da-base-raised);
  color: var(--da-ink);
  cursor: pointer;
  transition:
    border-color 140ms ease,
    background-color 140ms ease,
    box-shadow 140ms ease;
}

.tuner__stringBtn:hover {
  border-color: var(--da-accent);
  background: var(--da-accent-soft);
}

.tuner__stringBtn.is-active {
  border-color: var(--da-accent);
  background: var(--da-accent-soft);
  box-shadow: 0 0 0 1px var(--da-accent-glow);
}

.tuner__stringBtn.is-detected:not(.is-active) {
  border-color: var(--da-accent-2);
  background: var(--da-accent-2-soft);
}

.tuner__stringLetter {
  font-family: var(--typo-display, "League Spartan", sans-serif);
  font-weight: 700;
  font-size: 1.05rem;
}

.tuner__stringName {
  font-size: 0.68rem;
  color: var(--da-ink-soft);
  line-height: 1.2;
  text-align: center;
}

.tuner__hint {
  margin: 0;
  text-align: center;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--da-ink-soft);
}

@media (max-width: 640px) {
  .tuner__strings {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .tuner__stringBtn[data-string-id="auto"] {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  body.tuner-page {
    padding-left: 0;
  }

  body.tuner-page.is-embed .tuner {
    padding: 0.35rem 0.2rem 0.65rem;
  }

  .tuner__display {
    border-radius: 1rem;
    padding: 1.1rem 0.75rem 1rem;
  }
}