.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background var(--transition-fast);
}
.icon-btn:hover {
  background: var(--border-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  min-height: 40px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--accent);
  color: #101114;
}
.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-secondary-sm {
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
  font-size: 0.82rem;
}
.btn-secondary-sm:hover {
  background: var(--border-color);
}
.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

.command-shortcut {
  min-height: 32px;
  padding: 0 9px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.command-shortcut:hover {
  color: var(--text-primary);
  background: var(--border-color);
}

.notification-wrap {
  position: relative;
}
.notification-badge {
  position: absolute;
  top: 0;
  right: 0;
  min-width: 15px;
  height: 15px;
  padding: 1px 3px;
  border-radius: 8px;
  background: var(--accent);
  color: #101114;
  font-size: 0.62rem;
  line-height: 13px;
}
.notification-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  display: none;
  width: min(280px, 82vw);
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  box-shadow: var(--shadow);
}
.notification-popover.is-open {
  display: block;
}
.notification-item,
.notification-empty {
  display: block;
  width: 100%;
  margin: 0;
  padding: 8px;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.78rem;
  text-align: left;
}
.notification-item.unread {
  color: var(--text-primary);
  font-weight: 600;
}

.command-palette {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 12vh 16px 24px;
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(8px);
}

.command-palette.is-open {
  display: flex;
}
.command-dialog {
  width: min(100%, 560px);
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-card);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
}
.command-search-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
}
.command-search-icon {
  color: var(--accent);
  font-weight: 700;
}
.command-search {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.95rem;
}
.command-search-row kbd,
.command-footer kbd,
.command-result kbd {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 5px;
  color: var(--text-secondary);
  font-size: 0.68rem;
}
.command-results {
  max-height: min(52vh, 420px);
  overflow-y: auto;
  padding: 8px;
}
.command-result {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  align-items: center;
  width: 100%;
  gap: 8px;
  padding: 11px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}
.command-result:hover,
.command-result:focus-visible {
  background: var(--bg-secondary);
}
.command-empty {
  padding: 20px 12px;
  color: var(--text-secondary);
  text-align: center;
}
.command-footer {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.72rem;
}

@media (max-width: 560px) {
  .btn {
    min-height: 44px;
  }
  .icon-btn {
    width: 44px;
    height: 44px;
  }
  .command-shortcut {
    display: none;
  }
}