/* Copyright (c) 2025-2026 Ioannis Belesiotis. All rights reserved.
   This source code is proprietary and confidential. */
/* ── Undo toast ────────────────────────────────────────────────────────────── */

#undo-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--font-sm);
  color: var(--color-text);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 9999;
  white-space: nowrap;
  max-width: 500px;
  overflow: hidden;
  text-overflow: ellipsis;
}

#undo-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

#undo-toast-btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  font-size: var(--font-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

#undo-toast-btn:hover { opacity: 0.88; }

/* ── Bar selection ring ────────────────────────────────────────────────────── */

.allocation-bar.selected {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  z-index: 10 !important;
}