/* ═══════════════════════════════════════════════════════════════
   sm-controls.css — SenseMake.uk Shared Framework
   Reusable UI control styles: sliders, toggles, button groups, inputs
   ═══════════════════════════════════════════════════════════════ */

/* ── Shared control wrapper ────────────────────────────────────── */
.sm-control {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sm-control-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sm-text-muted);
  user-select: none;
}

.sm-control-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Slider ────────────────────────────────────────────────────── */
.sm-slider-track {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--sm-border);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  min-height: var(--sm-touch-min);
  padding: 19px 0;
  background-clip: content-box;
}
.sm-slider-track::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--sm-indigo);
  cursor: pointer;
  border: 2px solid var(--sm-surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s ease;
}
.sm-slider-track::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
.sm-slider-track::-webkit-slider-thumb:active {
  transform: scale(1.25);
}
.sm-slider-track::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--sm-indigo);
  cursor: pointer;
  border: 2px solid var(--sm-surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.sm-slider-track:focus-visible {
  outline: 2px solid var(--sm-indigo);
  outline-offset: 2px;
}

.sm-slider-value {
  min-width: 32px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--sm-text);
  font-variant-numeric: tabular-nums;
  user-select: none;
}

/* ── Toggle ────────────────────────────────────────────────────── */
.sm-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: var(--sm-touch-min);
  cursor: pointer;
  user-select: none;
}

.sm-toggle-track {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--sm-border);
  border-radius: 10px;
  transition: background var(--sm-transition-fast);
  flex-shrink: 0;
}
.sm-toggle-track.on {
  background: var(--sm-indigo);
}

.sm-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--sm-surface);
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  transition: transform var(--sm-transition-fast);
}
.sm-toggle-track.on .sm-toggle-thumb {
  transform: translateX(16px);
}

.sm-toggle-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--sm-text);
}

/* Focus for keyboard navigation */
.sm-toggle-wrap:focus-visible .sm-toggle-track {
  outline: 2px solid var(--sm-indigo);
  outline-offset: 2px;
}

/* ── Button Group (pill selector) ──────────────────────────────── */
.sm-btn-group {
  display: inline-flex;
  border: 1.5px solid var(--sm-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--sm-surface);
  align-self: flex-start;
}

.sm-btn-group-item {
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--sm-text-muted);
  font-family: var(--sm-font);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--sm-transition-fast), color var(--sm-transition-fast);
  min-height: var(--sm-touch-min);
  display: flex;
  align-items: center;
  white-space: nowrap;
  user-select: none;
}
.sm-btn-group-item:not(:last-child) {
  border-right: 1px solid var(--sm-border);
}
.sm-btn-group-item:hover {
  background: var(--sm-surface-raised);
  color: var(--sm-text);
}
.sm-btn-group-item.active {
  background: var(--sm-indigo);
  color: #fff;
}
.sm-btn-group-item:focus-visible {
  outline: 2px solid var(--sm-indigo);
  outline-offset: -2px;
}

/* ── Colour Picker (preset palette) ────────────────────────────── */
.sm-colour-palette {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.sm-colour-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.1s ease, border-color var(--sm-transition-fast);
  min-width: var(--sm-touch-min);
  min-height: var(--sm-touch-min);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: none;
}
.sm-colour-swatch-inner {
  width: 100%;
  height: 100%;
  border-radius: 4px;
}
.sm-colour-swatch:hover {
  transform: scale(1.1);
}
.sm-colour-swatch.active {
  border-color: var(--sm-text);
}
.sm-colour-swatch:focus-visible {
  outline: 2px solid var(--sm-indigo);
  outline-offset: 2px;
}

/* ── Number Input ──────────────────────────────────────────────── */
.sm-number-input {
  padding: 6px 10px;
  border: 1.5px solid var(--sm-border);
  border-radius: 6px;
  background: var(--sm-surface);
  color: var(--sm-text);
  font-family: var(--sm-font);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  width: 80px;
  min-height: var(--sm-touch-min);
  transition: border-color var(--sm-transition-fast);
  -moz-appearance: textfield;
}
.sm-number-input::-webkit-outer-spin-button,
.sm-number-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.sm-number-input:focus {
  outline: none;
  border-color: var(--sm-indigo);
}

/* ── Disabled state for all controls ───────────────────────────── */
.sm-control.disabled {
  opacity: 0.5;
  pointer-events: none;
}