/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar{
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  height: 100%;
  z-index: 50;
}

.sidebar__top{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
}
.sidebar__close{ display: none; }

.sidebar__search{
  display: flex; align-items: center; gap: 8px;
  margin: 0 12px 8px;
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
}
.sidebar__search input{
  border: none; background: transparent; outline: none;
  width: 100%; color: var(--text-primary);
}
.sidebar__search input::placeholder{ color: var(--text-tertiary); }

.sidebar__section{
  display: flex; gap: 4px;
  margin: 0 12px 8px;
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: 3px;
}
.sidebar__section .sidebar__navitem{
  flex: 1;
  text-align: center;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13px;
}
.sidebar__section .sidebar__navitem.is-active{
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-2);
}

.sidebar__scroll{
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px;
}

.sidebar__group + .sidebar__group{ margin-top: 12px; }
.sidebar__label{
  font-size: 12px;
  color: var(--text-tertiary);
  padding: 8px 8px 4px;
}
.sidebar__list{ list-style: none; padding: 0; margin: 0; }

.chat-item{
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
}
.chat-item:hover{ background: var(--bg-hover); }
.chat-item.is-active{ background: var(--bg-hover); color: var(--text-primary); }
.chat-item__title{
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13.5px;
}
.chat-item__pin{ color: var(--accent); font-size: 11px; }
.chat-item__menu{
  opacity: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.chat-item:hover .chat-item__menu, .chat-item__menu.is-open{ opacity: 1; }
.chat-item__menu:hover{ background: var(--border); }

.chat-item__dropdown{
  position: absolute;
  right: 8px;
  top: calc(100% - 4px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  z-index: 60;
  min-width: 150px;
  padding: 4px;
}
.chat-item__dropdown button{
  display: block; width: 100%; text-align: left;
  padding: 8px 10px; border-radius: var(--radius-sm);
  border: none; background: transparent; cursor: pointer;
  font-size: 13.5px; color: var(--text-primary);
}
.chat-item__dropdown button:hover{ background: var(--bg-hover); }
.chat-item__dropdown button.is-danger{ color: var(--danger); }

.sidebar__empty{
  text-align: center;
  color: var(--text-tertiary);
  padding: 32px 16px;
  font-size: 13.5px;
}
.sidebar__empty p{ color: var(--text-secondary); font-weight: 500; margin-bottom: 4px; }

.sidebar__bottom{
  border-top: 1px solid var(--border-soft);
  padding: 8px;
}
.sidebar__navitem{
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border: none; background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 13.5px;
  text-align: left;
}
.sidebar__navitem:hover{ background: var(--bg-hover); color: var(--text-primary); }

.sidebar__profile{
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 8px 10px;
  border: none; background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
  font-size: 13.5px;
  text-align: left;
}
.sidebar__profile:hover{ background: var(--bg-hover); }
.avatar{
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; flex-shrink: 0;
}

/* project item reuses chat-item styling */
.project-item{ padding: 10px; border-radius: var(--radius-sm); cursor: pointer; color: var(--text-secondary); }
.project-item:hover{ background: var(--bg-hover); }
.project-item__name{ color: var(--text-primary); font-size: 13.5px; font-weight: 500; }
.project-item__meta{ font-size: 12px; color: var(--text-tertiary); }