/* ===== Sidebar Refined ===== */
.mc-side {
  width: 240px; flex-shrink: 0; background: #fff;
  border-radius: 16px; box-shadow: 0 2px 16px rgba(0,0,0,0.05);
  overflow: hidden; position: sticky; top: 80px;
  border: 1px solid rgba(0,0,0,0.04);
}
.mc-side .side_head {
  padding: 0 20px; height: 50px; line-height: 50px;
  font-size: 14px; font-weight: 700; cursor: pointer;
  background: linear-gradient(135deg, #FFF3E6 0%, #FFE8D1 100%);
  border-bottom: 1px solid rgba(255,102,0,0.08);
  color: #E55C00; letter-spacing: 0.5px; transition: all .2s; user-select: none;
  position: relative;
}
.mc-side .side_head::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, #FF6600, #E55C00);
}
.mc-side .side_head:hover { background: linear-gradient(135deg, #FFE8D1 0%, #FFD4B3 100%); }
.mc-side .side_head img { margin-right: 8px; vertical-align: middle; width: 18px; height: 18px; }
.mc-side .side_head > div { display: flex; align-items: center; height: 100%; }
.mc-side .side_body { padding: 6px 8px; border-bottom: 1px solid #f5f5f5; }
.mc-side .side_body:last-child { border-bottom: none; }
.mc-side .side_body ul { margin: 0; padding: 0; list-style: none; }
.mc-side .side_body li {
  padding: 0 12px; height: 44px; line-height: 44px;
  display: flex; align-items: center; font-size: 14px;
  border-radius: 10px; border-left: 3px solid transparent;
  transition: all .2s; margin: 2px 0; color: #555;
  position: relative;
}
.mc-side .side_body li:hover {
  background: #FFF8F0; border-left-color: #FF6600;
  transform: translateX(3px);
}
.mc-side .side_body li.side-on {
  background: linear-gradient(90deg, #FFF3E6 0%, #FFFFFF 100%);
  border-left: 3px solid #FF6600; font-weight: 600;
  box-shadow: 0 2px 8px rgba(255,102,0,0.08);
}
.mc-side .side_body li.side-on a.n { color: #FF6600; }
.mc-side .side_body li a { text-decoration: none; transition: color .2s; }
.mc-side .side_body li a.n { flex: 1; color: #555; }
.mc-side .side_body li:hover a.n { color: #FF6600; }
.mc-side .side_body li a.m {
  font-size: 11px; color: #999; padding: 3px 10px;
  border: 1px solid #e8e8e8; border-radius: 12px; margin-right: 10px;
  transition: all .2s; background: #fafafa;
}
.mc-side .side_body li a.m:hover { color: #FF6600; border-color: #FF6600; background: #FFF3E6; }
.mc-side .side_body li em {
  background: linear-gradient(135deg, #FF6600, #E55C00); color: #fff;
  font-size: 10px; font-style: normal; padding: 1px 6px;
  border-radius: 10px; margin-left: 6px; font-weight: 600;
  min-width: 18px; text-align: center; box-shadow: 0 2px 6px rgba(255,102,0,0.25);
}
.mc-layout > .side_h {
  width: 10px; flex-shrink: 0; background: #e8e8e8; cursor: pointer;
  min-height: 300px; padding: 0; border: none; border-radius: 5px;
  transition: background .2s;
}
.mc-layout > .side_h:hover { background: #FF6600; }
.mc-main { flex: 1; min-width: 0; padding: 0; }
@media (max-width: 768px) {
  .mc-mobile-menu-btn { display: flex; align-items: center; justify-content: center; }
  .mc-backdrop.show { display: block; }
  .mc-side {
    position: fixed; left: 0; top: 64px; bottom: 0; width: 280px;
    z-index: 1000; border-radius: 0; transform: translateX(-100%);
    transition: transform .3s; overflow-y: auto;
  }
  .mc-side.mobile-open { transform: translateX(0); }
  .mc-layout { padding: 12px; gap: 0; }
  .mc-layout > .side_h { display: none; }
}