/* Buttons */

.btn {
  border-radius: var(--radius-lg);
  padding: 0.55rem 1.1rem;
  border: 1px solid transparent;
  background: none;
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  transition:
    background-color var(--transition-med),
    color var(--transition-med),
    border-color var(--transition-med),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn.primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  border-color: var(--color-accent-strong);
  box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(79, 70, 229, 0.5);
}

.btn.secondary {
  background: rgba(15, 23, 42, 0.9);
  border-color: var(--color-border-strong);
}

.btn.ghost {
  background: rgba(15, 23, 42, 0.7);
  border-color: var(--color-border-subtle);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent-strong);
  outline-offset: 2px;
}

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* BPM controls */

.bpm-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

#bpmSlider {
  width: 100%;
  appearance: none;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-soft), #1f2937);
  outline: none;
}

#bpmSlider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid #0b1020;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.4);
  cursor: pointer;
}

#bpmSlider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid #0b1020;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.4);
  cursor: pointer;
}

.bpm-input-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--spacing-sm);
}

.bpm-input-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

#bpmInput {
  width: 100%;
}

/* Step buttons */

.bpm-step-buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-xs);
}

/* Inputs */

input[type="number"],
select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  padding: 0.4rem 0.55rem;
  background-color: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  font-size: 0.9rem;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

input[type="number"]:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent-soft);
}

.timer-custom-input {
  width: 4rem;
}

/* Switches */

input[type="checkbox"][role="switch"] {
  appearance: none;
  position: relative;
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: #020617;
  border: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast);
}

input[type="checkbox"][role="switch"]::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #e5e7eb;
  top: 1px;
  left: 1px;
  transition:
    transform var(--transition-fast),
    background-color var(--transition-fast);
}

input[type="checkbox"][role="switch"]:checked {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-strong);
}

input[type="checkbox"][role="switch"]:checked::before {
  transform: translateX(18px);
  background: #f9fafb;
}

/* Segmented control */

.segmented-control {
  display: inline-flex;
  padding: 2px;
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--color-border-subtle);
}

.segmented-option {
  border: none;
  border-radius: var(--radius-lg);
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  cursor: pointer;
  background: transparent;
  color: var(--color-text-muted);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.segmented-option.is-active {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.metronome-figure {
  margin: 0;
  width: 5.5rem;
  opacity: 0.9;
}

.metronome-figure svg {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.6));
}

.metronome-pendulum {
  transform-origin: 60px 26px;
  transition: transform 90ms ease-out;
}

.metronome-figure.is-swing-left .metronome-pendulum {
  transform: rotate(-12deg);
}

.metronome-figure.is-swing-right .metronome-pendulum {
  transform: rotate(12deg);
}

.beat-pill {
  min-width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: rgba(15, 23, 42, 0.9);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.beat-pill.is-active {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-strong);
  color: var(--color-text);
  transform: translateY(-1px);
}

/* Keyboard focus on pills */

.beat-pill:focus-visible {
  outline: 2px solid var(--color-accent-strong);
  outline-offset: 2px;
}