/* feedback.css — Toast notifications + analysis loading indicator.
   Uses design tokens from style.css (:root). Never redefines .empty-state.
   ------------------------------------------------------------------ */

/* ==========================================================================
   Toast container
   The #toasts element is positioned fixed by the browser (top-right corner).
   We only size + space it here — positioning lives in style.css (Phase 1).
   ========================================================================== */

#toasts {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 9000;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  pointer-events: none; /* let clicks fall through when no toasts present */
}

/* ==========================================================================
   Individual toast item
   ========================================================================== */

.toast {
  /* Layout */
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  min-width: 200px;
  max-width: 320px;

  /* Surface + border */
  background: var(--surface-overlay);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent); /* info accent by default */
  border-radius: var(--radius-md);
  /* Same elevation token as the review toast — one shadow story for toasts. */
  box-shadow: var(--shadow-toast);

  /* Typography */
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.4;

  /* Pointer events re-enabled for individual toasts */
  pointer-events: auto;
  cursor: default;

  /* Slide-in from the right.
     Initial state: pushed off-screen to the right + transparent.
     .toast--visible drives it into place.
     Reduced-motion: style.css already sets transition-duration → 0.01ms globally
     via the prefers-reduced-motion media query, so no extra work needed here. */
  opacity: 0;
  transform: translateX(calc(100% + var(--space-4)));
  transition:
    opacity var(--motion-base) var(--ease-out),
    transform var(--motion-base) var(--ease-out);
  will-change: opacity, transform;
}

/* Slide in when the class is added (after one rAF tick). */
.toast--visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide out: remove .toast--visible — CSS plays the reverse automatically. */

/* ---- Kind variants ---- */

.toast--success {
  border-left-color: var(--q-best); /* green */
}

.toast--error {
  border-left-color: var(--error); /* red */
}

/* ---- Toast message ---- */

.toast__msg {
  flex: 1;
}

/* ---- Close button ---- */

.toast__close {
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0 var(--space-1);
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--motion-fast) var(--ease-out);
}

.toast__close:hover,
.toast__close:focus-visible {
  color: var(--text);
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* ==========================================================================
   Analysis loading indicator
   Lives in #analysis-status (inside the analysis tab panel).
   Hidden by default (empty); shown while analysis:start is active.
   ========================================================================== */

.analysis-status {
  /* Hidden when empty — takes no space. */
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Revealed by JS when analysis is running. */
.analysis-status--active {
  display: flex;
}

/* ---- Spinner ---- */

.analysis-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spinner-rotate 0.75s linear infinite;
  flex-shrink: 0;
}

.analysis-spinner__label {
  color: var(--text-secondary);
}

@keyframes spinner-rotate {
  to { transform: rotate(360deg); }
}

/* Reduced-motion: swap the spinning animation for a simple pulse.
   (style.css sets transition-duration → 0.01ms globally, but @keyframes
   animations need their own override here.) */
@media (prefers-reduced-motion: reduce) {
  .analysis-spinner {
    animation: spinner-pulse 1.5s ease-in-out infinite;
    border-color: var(--accent);
    border-top-color: transparent;
  }

  @keyframes spinner-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
  }
}