/* ========== 全局重置 ========== */
*{margin:0;padding:0;box-sizing:border-box;font-family:system-ui,sans-serif}
body{background:#0b0b0c;color:#e5e5e5;display:flex;min-height:100vh}

/* ========== 左侧导航栏 ========== */
.nav-sidebar {
  width: 90px;
  background: #121214;
  border-right: 1px solid #2a2a2d;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  position: fixed;
  height: 100vh;
}
.logo {
  width: 75px;
  height: 75px;
  background: #5a52e0;
  border-radius: 6px;
  margin-bottom: 20px;
}
.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 28px;
  flex: 1;
  align-items: center;
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: #999;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
}
.nav-item-icon {
  width: 28px;
  height: 28px;
  text-align: center;
  font-size: 22px;
}
.nav-item.active {
  color: #5a52e0;
}
.nav-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: auto;
  align-items: center;
  width: 100%;
  flex-shrink: 0;
}
.points-display {
  font-size: 12px;
  color: #fff;
  background: #1e1e22;
  padding: 4px 8px;
  border-radius: 4px;
}
.vip-badge {
  background: #5a52e0;
  color: white;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 500;
}
.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #333;
}
.icon {
  width: 24px;
  height: 24px;
  color: #999;
  cursor: pointer;
  text-align: center;
  font-size: 20px;
}

/* ========== 三横杠菜单 ========== */
.menu-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}
.menu-content {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #1e1e22;
  border-radius: 12px 12px 0 0;
  padding: 20px;
  max-width: 300px;
  margin: 0 auto;
}
.menu-item {
  padding: 12px 0;
  color: #fff;
  cursor: pointer;
  border-bottom: 1px solid #2a2a2d;
}