/* ═══════════════════════════════════════════════════════════
   OHTTEK — Sidebar + Topbar
═══════════════════════════════════════════════════════════ */

#sidebar {
  width: var(--sb-w);
  height: 100vh;
  background: var(--s1);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0;
  z-index: 200;
  transition: transform .22s cubic-bezier(.4,0,.2,1), width .18s ease;
}

/* ── Collapse toggle (chevron at bottom of sidebar) ── */
.sb-collapse {
  background: none; border: 1px solid var(--border);
  color: var(--tx3); font-size: 11px;
  padding: 6px; margin: 6px 10px;
  border-radius: 6px; cursor: pointer;
  transition: color .12s, background .12s, border-color .12s;
  align-self: stretch;
  display: flex; align-items: center; justify-content: center;
}
.sb-collapse:hover { color: var(--tx); background: var(--s3); border-color: var(--border-l); }

/* ── Collapsed state (icon-only sidebar) ── */
body.sidebar-collapsed {
  --sb-w: var(--sb-w-collapsed);
}
body.sidebar-collapsed .sb-name,
body.sidebar-collapsed .sb-sub,
body.sidebar-collapsed .sb-section,
body.sidebar-collapsed .sb-link span,
body.sidebar-collapsed .sb-user,
body.sidebar-collapsed .sb-role,
body.sidebar-collapsed #notif-badge {
  display: none !important;
}
body.sidebar-collapsed .sb-brand  { justify-content: center; padding: 16px 6px; gap: 0; }
body.sidebar-collapsed .sb-link   { justify-content: center; padding: 10px 6px; }
body.sidebar-collapsed .sb-link[data-page="private-appts"],
body.sidebar-collapsed .sb-link[data-page="substitutes"] { padding-left: 6px !important; font-size: inherit !important; }
body.sidebar-collapsed .sb-footer { justify-content: center; padding: 10px 6px; }
body.sidebar-collapsed .sb-footer > div:not(.sb-avatar),
body.sidebar-collapsed #sb-admin-btn { display: none; }
body.sidebar-collapsed .sb-collapse i { transform: rotate(180deg); }

/* ── Mobile: hide sidebar & hamburger, show bottom bar ── */
@media (max-width: 768px) {
  #sidebar        { display: none !important; }
  .hamburger      { display: none !important; }

  /* Bottom nav bar */
  #mob-nav {
    position: fixed; bottom: 0; left: 0; right: 0;
    height: 62px;
    background: var(--s1);
    border-top: 1px solid var(--border);
    display: flex; align-items: stretch;
    z-index: 600;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .mob-nav-btn {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 4px;
    background: none; border: none;
    color: var(--tx3); font-size: 10px; font-weight: 500;
    cursor: pointer; transition: color .15s; padding: 0;
  }
  .mob-nav-btn i { font-size: 18px; }
  .mob-nav-btn.active,
  .mob-nav-btn:active { color: var(--ac); }

  /* Push content above bottom bar */
  #content { padding-bottom: 74px !important; }
}

/* More popup menu */
#mob-more-popup {
  display: none;
  position: fixed; inset: 0;
  z-index: 700;
}
#mob-more-popup.open { display: block; }
#mob-more-menu {
  position: absolute;
  bottom: 70px; right: 8px;
  background: var(--s2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4px;
  min-width: 200px;
}
.mob-more-item {
  display: flex; align-items: center; gap: 9px;
  padding: 10px 12px;
  background: none; border: none;
  color: var(--tx2); font-size: 13px; font-weight: 500;
  border-radius: 8px; cursor: pointer;
  transition: background .12s, color .12s;
  white-space: nowrap;
}
.mob-more-item i { font-size: 14px; width: 16px; text-align: center; color: var(--tx3); flex-shrink: 0; }
.mob-more-item:hover, .mob-more-item:active { background: var(--s3); color: var(--tx); }

/* Desktop: hide mob nav entirely */
@media (min-width: 769px) {
  #mob-nav { display: none !important; }
  #mob-more-popup { display: none !important; }
}

.sb-brand {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.sb-logo {
  width: 32px; height: 32px;
  background: var(--ac); border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  color: var(--bg); font-size: 14px;
  box-shadow: 0 0 20px var(--ac-glow);
  flex-shrink: 0;
}
.sb-name { font-family: var(--font-display); font-size: 15px; font-weight: 800; color: var(--tx); line-height: 1; letter-spacing: -.2px; }
.sb-sub  { font-size: 10px; color: var(--tx3); margin-top: 2px; letter-spacing: .5px; text-transform: uppercase; }

.sb-nav { flex: 1; padding: 14px 8px; overflow-y: auto; }
.sb-section { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.8px; color: var(--tx3); padding: 12px 9px 5px; }
.sb-link {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: var(--r);
  color: var(--tx2); font-size: 13px; font-weight: 400;
  transition: all .12s; margin-bottom: 1px; cursor: pointer;
  border: 1px solid transparent;
}
.sb-link i { width: 14px; text-align: center; font-size: 12px; flex-shrink: 0; }
.sb-link:hover { background: var(--s3); color: var(--tx); border-color: var(--border); }
.sb-link.active { background: var(--ac-bg); color: var(--ac); font-weight: 600; border-color: rgba(255,255,255,.12); }
.sb-link.active i { color: var(--ac); }

.sb-footer {
  padding: 12px 14px; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 9px;
}
.sb-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--s4); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 11px; font-weight: 800;
  color: var(--tx3); flex-shrink: 0;
}
.sb-user { font-size: 12px; font-weight: 600; color: var(--tx); }
.sb-role { font-size: 10px; color: var(--tx3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-lock-btn { margin-left: auto; background: none; border: none; color: var(--tx3); font-size: 13px; cursor: pointer; padding: 4px 5px; border-radius: 5px; transition: color .12s; flex-shrink: 0; }
.sb-lock-btn:hover { color: var(--red); }