/* ── SHPanel — Screenhouse control panel ─────────────────── */

:root {
  --sh-bg: rgba(8, 8, 8, 0.94);
  --sh-border: rgba(255, 255, 255, 0.06);
  --sh-text: rgba(255, 255, 255, 0.88);
  --sh-text-dim: rgba(255, 255, 255, 0.38);
  --sh-text-mid: rgba(255, 255, 255, 0.55);
  --sh-surface: rgba(255, 255, 255, 0.06);
  --sh-surface-hover: rgba(255, 255, 255, 0.1);
  --sh-accent: rgba(255, 255, 255, 0.7);
  --sh-radius: 4px;
  --sh-width: 320px;
  --sh-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ── Panel drawer ──────────────────────────────────────── */

.sh-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--sh-width);
  max-width: 50vw;
  height: 100%;
  box-sizing: border-box;
  background: var(--sh-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-left: 1px solid var(--sh-border);
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  z-index: 100;
  transition: width 280ms cubic-bezier(.4,0,.2,1),
              opacity 200ms ease,
              min-width 280ms cubic-bezier(.4,0,.2,1);
  font-family: var(--sh-font);
  color: var(--sh-text);
  font-size: 12px;
  line-height: 1.4;
}

.sh-panel.collapsed {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  border-left-width: 0;
}

.sh-panel-body {
  padding: 16px 14px 32px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ── Hint pill ─────────────────────────────────────────── */

.sh-panel-hint {
  position: fixed;
  right: 14px;
  bottom: 14px;
  padding: 5px 10px;
  font-family: var(--sh-font);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--sh-text-dim);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sh-border);
  border-radius: 999px;
  pointer-events: none;
  z-index: 101;
  transition: opacity 600ms ease;
}
.sh-panel-hint.hidden { opacity: 0; }

/* ── Folders ───────────────────────────────────────────── */

.sh-folder {
  margin-bottom: 2px;
}

.sh-folder-head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 2px;
  cursor: pointer;
  user-select: none;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--sh-text-mid);
  transition: color 150ms ease;
}

.sh-folder-head:hover { color: var(--sh-text); }

.sh-arrow {
  font-size: 10px;
  transition: transform 200ms ease;
  display: inline-block;
}

.sh-folder.collapsed .sh-arrow { transform: rotate(-90deg); }

.sh-folder-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 4px;
  overflow: hidden;
  max-height: 4000px;
  transition: max-height 300ms ease, opacity 200ms ease;
}

.sh-folder.collapsed > .sh-folder-body {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

/* ── Shared control row ────────────────────────────────── */

.sh-ctrl {
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sh-ctrl-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.sh-label {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--sh-text-dim);
}

.sh-value {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--sh-text-mid);
  min-width: 36px;
  text-align: right;
}

/* ── Slider ────────────────────────────────────────────── */

.sh-slider input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: var(--sh-surface);
  border-radius: 2px;
  cursor: pointer;
  outline: none;
}

.sh-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(255,255,255,0.25);
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.sh-slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 10px rgba(255,255,255,0.4);
}

.sh-slider input[type="range"]::-moz-range-thumb {
  width: 10px;
  height: 10px;
  background: #fff;
  border: none;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(255,255,255,0.25);
  cursor: pointer;
}

.sh-slider input[type="range"]::-moz-range-track {
  height: 3px;
  background: var(--sh-surface);
  border-radius: 2px;
}

/* ── Color swatch ──────────────────────────────────────── */

.sh-color {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.sh-color input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 36px;
  height: 20px;
  padding: 0;
  border: 1px solid var(--sh-border);
  border-radius: var(--sh-radius);
  background: transparent;
  cursor: pointer;
}

.sh-color input[type="color"]::-webkit-color-swatch-wrapper { padding: 1px; }
.sh-color input[type="color"]::-webkit-color-swatch { border: none; border-radius: 2px; }

/* ── Toggle switch ─────────────────────────────────────── */

.sh-toggle {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.sh-switch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 16px;
  cursor: pointer;
}

.sh-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.sh-knob {
  position: absolute;
  inset: 0;
  background: var(--sh-surface);
  border-radius: 999px;
  transition: background 200ms ease;
}

.sh-knob::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 12px;
  height: 12px;
  background: rgba(255,255,255,0.35);
  border-radius: 50%;
  transition: transform 200ms ease, background 200ms ease;
}

.sh-switch input:checked + .sh-knob {
  background: rgba(255,255,255,0.15);
}

.sh-switch input:checked + .sh-knob::after {
  transform: translateX(16px);
  background: #fff;
}

/* ── Button ────────────────────────────────────────────── */

.sh-btn {
  display: block;
  width: 100%;
  padding: 7px 12px;
  margin: 2px 0;
  font-family: var(--sh-font);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: var(--sh-text);
  background: var(--sh-surface);
  border: 1px solid var(--sh-border);
  border-radius: var(--sh-radius);
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease;
}

.sh-btn:hover {
  background: var(--sh-surface-hover);
  border-color: rgba(255,255,255,0.12);
}

.sh-btn:active {
  background: rgba(255,255,255,0.14);
}

/* ── Select ────────────────────────────────────────────── */

.sh-select {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.sh-select select {
  padding: 4px 8px;
  font-family: var(--sh-font);
  font-size: 11px;
  color: var(--sh-text);
  background: var(--sh-surface);
  border: 1px solid var(--sh-border);
  border-radius: var(--sh-radius);
  outline: none;
  cursor: pointer;
  min-width: 90px;
  transition: border-color 150ms ease;
}

.sh-select select:hover { border-color: rgba(255,255,255,0.15); }

.sh-select select option {
  background: #111;
  color: var(--sh-text);
}

/* ── File ──────────────────────────────────────────────── */

.sh-file { padding: 4px; }

/* ── Scrollbar ─────────────────────────────────────────── */

.sh-panel::-webkit-scrollbar { width: 5px; }
.sh-panel::-webkit-scrollbar-track { background: transparent; }
.sh-panel::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}
.sh-panel::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}