/* ── Counters Studio – Sidebar Navigation ──────────────────────────
   Vertical accordion nav inside the left sidebar.
   Hover opens a panel that slides DOWN, indented right for depth.
   ─────────────────────────────────────────────────────────────────── */

/* ─── Sidebar brand ──────────────────────────────────────────────── */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-brand-logo { width: 22px; height: 22px; display: block; flex-shrink: 0; }
.sidebar-brand-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .01em;
  white-space: nowrap;
}

/* ─── Nav container ──────────────────────────────────────────────── */
.sidebar-nav { flex-shrink: 0; }

/* ─── Top-level item ─────────────────────────────────────────────── */
.snav-item { border-bottom: 1px solid var(--border); }

/* Hover label */
.snav-label {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 9px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  user-select: none;
  transition: color .12s, background .12s;
}
.snav-item.is-open > .snav-label {
  color: var(--text);
  background: rgba(88,166,255,.06);
}

/* Chevron rotates when open */
.snav-chevron {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1;
  flex-shrink: 0;
  transition: transform .22s cubic-bezier(.2,.8,.4,1), color .12s;
}
.snav-item.is-open > .snav-label .snav-chevron {
  transform: rotate(90deg);
  color: var(--accent);
}

/* ─── Dropdown panel – slides DOWN, offset to the right ──────────── */
.snav-dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height .26s cubic-bezier(.2,.8,.4,1);
  /* Offset to the right for visual depth */
  margin: 0 8px 0 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 6px 16px rgba(0,0,0,.28);
  list-style: none;
  padding: 0;
}
.snav-item.is-open > .snav-dropdown { max-height: 520px; padding-bottom: 5px; }

/* ─── Dropdown row ───────────────────────────────────────────────── */
.snav-dd-row {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: background .1s, color .1s;
}
.snav-dd-row:hover {
  background: rgba(88,166,255,.08);
  color: var(--accent);
}
.snav-dd-row:hover .nav-num { color: var(--accent); opacity: 1; }

/* ─── Separator ──────────────────────────────────────────────────── */
.snav-sep { height: 1px; background: var(--border); margin: 4px 0; }

/* ─── Sub-menu trigger ───────────────────────────────────────────── */
.snav-sub-trigger { position: relative; }
.snav-sub-arrow {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  padding-left: 8px;
  line-height: 1;
  flex-shrink: 0;
  transition: transform .18s, color .1s;
}
.snav-sub-trigger.is-open > .snav-dd-row .snav-sub-arrow {
  transform: rotate(90deg);
  color: var(--accent);
}

/* ─── Sub-dropdown – further right, accent left-border ───────────── */
.snav-sub-dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height .2s cubic-bezier(.2,.8,.4,1);
  margin-left: 10px;         /* extra "offset to the right" */
  border-left: 2px solid var(--accent-dim);
  list-style: none;
  padding: 0;
}
.snav-sub-trigger.is-open > .snav-sub-dropdown { max-height: 220px; }
.snav-sub-dropdown .snav-dd-row {
  font-size: 11px;
  padding: 6px 10px;
  color: var(--text-muted);
}
.snav-sub-dropdown .snav-dd-row:hover {
  background: rgba(88,166,255,.08);
  color: var(--accent);
}

/* ─── Number badge ───────────────────────────────────────────────── */
.nav-num {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 28px;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  opacity: .55;
}

/* ─── Radio checkmark ────────────────────────────────────────────── */
.nav-check {
  width: 14px;
  font-size: 10px;
  color: var(--accent);
  flex-shrink: 0;
  text-align: center;
  margin-right: 4px;
}

/* ─── Color picker widget ────────────────────────────────────────── */
.snav-color-widget {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: default;
}
.snav-color-widget input[type="color"] {
  width: 28px; height: 20px;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0; cursor: pointer; background: none; flex-shrink: 0;
}
.snav-color-widget input[type="color"]:hover { border-color: var(--accent); }