/* ══════════════════════════════════════════════════════════════════════════
   Management sidebar (templates/partials/sidebar.html, assets/js/bmr-sidebar.js)
   Uses the theme's .page-sidebar / .sidebar-menu containers for layout and
   collapse; everything inside is styled here.
   ══════════════════════════════════════════════════════════════════════════ */
.bsn {
  --bsn-accent-text: #1b6055;
  --bsn-accent-bg:   rgba(27, 96, 85, .1);
  --bsn-ink:         var(--body-font-color, #1f2a37);
  --bsn-muted:       #5b6675;
  --bsn-line:        var(--border-color, #e6e9ee);
  --bsn-soft:        #f3f5f7;
  --bsn-surface:     var(--white, #fff);
  --bsn-danger:      #b91c1c;
}
body.dark-only .bsn {
  --bsn-accent-text: #6cc4b5;
  --bsn-accent-bg:   rgba(108, 196, 181, .14);
  --bsn-muted:       #a3adbb;
  --bsn-soft:        rgba(255, 255, 255, .05);
  --bsn-danger:      #ff8a8a;
}

.bsn .sidebar-menu.bsn-menu { display: block; padding: 12px 14px 96px; }
.bsn-inner { width: 100%; }

.bsn a:focus-visible,
.bsn button:focus-visible,
.bsn input:focus-visible {
  outline: 3px solid var(--bsn-accent-text);
  outline-offset: 2px;
}

/* ── Filter ───────────────────────────────────────────────────────────── */
.bsn-search { position: relative; margin: 2px 0 10px; }
.bsn-search > i {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-size: .78rem; color: var(--bsn-muted); pointer-events: none;
}
.bsn-search input {
  width: 100%; height: 38px; padding: 0 34px; border: 1px solid var(--bsn-line); border-radius: 10px;
  background: var(--bsn-soft); color: var(--bsn-ink); font-size: .84rem;
}
.bsn-search input::placeholder { color: var(--bsn-muted); }
.bsn-search input:focus { background: var(--bsn-surface); border-color: var(--bsn-accent-text); }
.bsn-search kbd {
  position: absolute; right: 9px; top: 50%; transform: translateY(-50%);
  padding: 0 6px; border: 1px solid var(--bsn-line); border-bottom-width: 2px; border-radius: 5px;
  background: var(--bsn-surface); color: var(--bsn-muted); font: 700 .68rem/17px inherit; box-shadow: none;
}

/* ── Groups ───────────────────────────────────────────────────────────── */
.bsn-group { margin-top: 4px; }
.bsn-group-title { margin: 0; }
.bsn-group-btn {
  display: flex; align-items: center; gap: .45rem; width: 100%; padding: 12px 10px 6px;
  border: 0; border-radius: 8px; background: transparent; color: var(--bsn-muted);
  font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; text-align: left; cursor: pointer;
}
.bsn-group-btn:hover { color: var(--bsn-ink); }
.bsn-chevron { margin-left: auto; font-size: .62rem; transition: transform .2s ease; }
.bsn-group-btn[aria-expanded="false"] .bsn-chevron { transform: rotate(-90deg); }
.bsn-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--bsn-danger); flex-shrink: 0; }

/* ── Links ────────────────────────────────────────────────────────────── */
.bsn-list { list-style: none; margin: 0; padding: 0 0 2px; }
.bsn-link {
  position: relative; display: flex; align-items: center; gap: .7rem; width: 100%;
  padding: 9px 10px; margin: 1px 0; border: 0; border-radius: 10px; background: transparent;
  color: var(--bsn-ink); font-size: .88rem; font-weight: 600; line-height: 1.25; text-align: left; text-decoration: none;
  cursor: pointer; transition: background .15s, color .15s;
}
.bsn-link:hover { background: var(--bsn-soft); color: var(--bsn-ink); }
.bsn-icon { width: 18px; flex-shrink: 0; text-align: center; font-size: .92rem; color: var(--bsn-muted); transition: color .15s; }
.bsn-link:hover .bsn-icon { color: var(--bsn-accent-text); }
.bsn-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bsn-link.is-current { background: var(--bsn-accent-bg); color: var(--bsn-accent-text); font-weight: 700; }
.bsn-link.is-current .bsn-icon { color: var(--bsn-accent-text); }
.bsn-link.is-current::before {
  content: ""; position: absolute; left: -14px; top: 7px; bottom: 7px; width: 4px;
  border-radius: 0 4px 4px 0; background: var(--bsn-accent-text);
}
.bsn-badge {
  min-width: 20px; padding: 0 6px; border-radius: 999px; background: var(--bsn-danger); color: #fff;
  font-size: .68rem; font-weight: 800; line-height: 18px; text-align: center;
}
body.dark-only .bsn-badge { color: #1d232c; }

.bsn-signout,
.bsn-signout .bsn-icon { color: var(--bsn-danger); }
.bsn-signout:hover { background: rgba(185, 28, 28, .08); color: var(--bsn-danger); }
.bsn-signout:hover .bsn-icon { color: var(--bsn-danger); }

.bsn-divider { height: 1px; margin: 12px 4px; background: var(--bsn-line); }
.bsn-empty { margin: 8px 10px; font-size: .82rem; color: var(--bsn-muted); }
.bsn-filtered-out { display: none !important; }

/* ── Small screens: backdrop behind the open sidebar ─────────────────── */
.bsn-backdrop { display: none; }
@media (max-width: 1199.98px) {
  .page-wrapper:not(.sidebar-open) .bsn-backdrop {
    display: block; position: fixed; inset: 0; z-index: 2; background: rgba(15, 23, 42, .4);
  }
}
@media (prefers-reduced-motion: reduce) {
  .bsn *, .bsn *::before { transition: none !important; }
}