/* ══════════════════════════════════════════════════════════════
   NxTGen Journal — NOTIFICATION SYSTEM (premium toast)
   Single source of truth for every toast/snackbar in the app.
   Do not add competing .app-toast / .nx-toast rules elsewhere —
   this file is loaded last so it always wins the cascade.
   ══════════════════════════════════════════════════════════════ */

/* ── Viewport — fixed stack, top-right on desktop ─────────────── */
.nx-toast-viewport{
  position:fixed;
  top:calc(16px + env(safe-area-inset-top,0px));
  right:calc(16px + env(safe-area-inset-right,0px));
  z-index:10500;
  display:flex;
  flex-direction:column;
  gap:8px;
  width:340px;
  max-width:calc(100vw - 24px);
  pointer-events:none;
}

/* Visually-hidden assertive live region used only to announce
   error toasts to screen readers without moving DOM nodes. */
.nx-toast-sr-assertive{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ── Card ──────────────────────────────────────────────────────── */
.nx-toast{
  pointer-events:auto;
  position:relative;
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:11px 12px;
  border-radius:16px;
  background:var(--glass-3);
  backdrop-filter:var(--blur-lg) saturate(1.5);
  -webkit-backdrop-filter:var(--blur-lg) saturate(1.5);
  border:0.5px solid var(--glass-border-h);
  box-shadow:var(--shadow-lg), inset 0 1px 0 var(--glass-shine);
  font-family:var(--font-body);
  color:var(--text);
  opacity:0;
  transform:translateY(-10px) scale(0.98);
  transition:opacity 260ms var(--ease-out), transform 260ms var(--ease-spring), max-height 260ms var(--ease-out), margin 260ms var(--ease-out);
  will-change:transform,opacity;
  touch-action:pan-y;
}
[data-theme="light"] .nx-toast{
  background:rgba(255,255,255,0.92);
  border-color:rgba(15,23,42,0.08);
  box-shadow:0 10px 30px rgba(15,23,42,0.14), 0 2px 8px rgba(15,23,42,0.08), inset 0 1px 0 rgba(255,255,255,0.9);
}

.nx-toast[data-state="enter"]{opacity:0;transform:translateY(-10px) scale(0.98)}
.nx-toast[data-state="visible"]{opacity:1;transform:translateY(0) scale(1)}
.nx-toast[data-state="exit"]{
  opacity:0;
  transform:translateY(-6px) scale(0.97);
  transition:opacity 200ms var(--ease-in-out), transform 200ms var(--ease-in-out), max-height 220ms var(--ease-in-out) 60ms, margin 220ms var(--ease-in-out) 60ms;
}
.nx-toast[data-dragging="true"]{transition:none}

/* Icon chip */
.nx-toast-icon{
  flex:none;
  width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;
  margin-top:1px;
}
.nx-toast-icon .icn{width:16px;height:16px}

.nx-toast[data-type="success"] .nx-toast-icon{color:var(--green)}
.nx-toast[data-type="error"]   .nx-toast-icon{color:var(--red)}
.nx-toast[data-type="warning"] .nx-toast-icon{color:var(--gold)}
.nx-toast[data-type="info"]    .nx-toast-icon{color:var(--teal)}
.nx-toast[data-type="neutral"] .nx-toast-icon{color:var(--text2)}

/* Thin accent line on the leading edge — restrained, not a big block */
.nx-toast::before{
  content:'';
  position:absolute;left:0;top:10px;bottom:10px;width:2.5px;
  border-radius:2px;
  background:var(--text3);
  opacity:0.55;
}
.nx-toast[data-type="success"]::before{background:var(--green)}
.nx-toast[data-type="error"]::before{background:var(--red)}
.nx-toast[data-type="warning"]::before{background:var(--gold)}
.nx-toast[data-type="info"]::before{background:var(--teal)}

/* Loading spinner */
.nx-toast-spinner{
  width:16px;height:16px;
  border-radius:50%;
  border:2px solid var(--glass-border-h);
  border-top-color:var(--text2);
  animation:nxToastSpin 0.8s linear infinite;
}
@media (prefers-reduced-motion: reduce){
  .nx-toast-spinner{animation-duration:1.6s}
}
@keyframes nxToastSpin{to{transform:rotate(360deg)}}

/* Content */
.nx-toast-content{flex:1 1 auto;min-width:0}
.nx-toast-title{
  font-size:12.5px;
  font-weight:600;
  line-height:1.35;
  color:var(--text);
  letter-spacing:-0.01em;
}
.nx-toast-message{
  font-size:12.5px;
  font-weight:400;
  line-height:1.4;
  color:var(--text2);
  letter-spacing:-0.005em;
  word-break:break-word;
}
.nx-toast-title + .nx-toast-message{margin-top:1px}

/* Action button (e.g. "View Trash", "Undo") */
.nx-toast-action{
  flex:none;
  align-self:center;
  background:none;
  border:0.5px solid var(--glass-border-h);
  color:var(--text);
  font-size:11.5px;
  font-weight:600;
  padding:4px 9px;
  border-radius:8px;
  cursor:pointer;
  transition:var(--t-fast);
  white-space:nowrap;
}
.nx-toast-action:hover{background:var(--glass-2)}
.nx-toast-action:focus-visible{outline:2px solid var(--border-focus);outline-offset:1px}

/* Dismiss button */
.nx-toast-close{
  flex:none;
  width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  border:none;background:none;
  color:var(--text3);
  border-radius:6px;
  cursor:pointer;
  transition:var(--t-fast);
  margin:-2px -2px 0 0;
}
.nx-toast-close .icn{width:11px;height:11px}
.nx-toast-close:hover{color:var(--text);background:var(--glass-2)}
.nx-toast-close:focus-visible{outline:2px solid var(--border-focus);outline-offset:1px}

/* Loading toasts have no manual dismiss — must resolve or be updated */
.nx-toast[data-type="loading"] .nx-toast-close{display:none}

/* Hover pause affordance — subtle, no layout shift */
.nx-toast:hover{border-color:var(--glass-border-h)}

/* ── Mobile ────────────────────────────────────────────────────── */
@media (max-width: 640px){
  .nx-toast-viewport{
    top:calc(10px + env(safe-area-inset-top,0px));
    left:calc(10px + env(safe-area-inset-left,0px));
    right:calc(10px + env(safe-area-inset-right,0px));
    width:auto;
    max-width:none;
  }
  .nx-toast{padding:10px 11px;border-radius:15px}
  .nx-toast-title,.nx-toast-message{font-size:12.5px}
}

/* ── Reduced motion ────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce){
  .nx-toast{transition:opacity 120ms linear !important;transform:none !important}
  .nx-toast[data-state="enter"]{opacity:0;transform:none}
  .nx-toast[data-state="visible"]{opacity:1;transform:none}
  .nx-toast[data-state="exit"]{opacity:0;transform:none}
}

/* ── Legacy alias ──────────────────────────────────────────────
   Kept only so any stray reference to the old single-node toast
   never renders as a large unstyled block. The system no longer
   uses #app-toast — see js/toast-notifications.js. */
.app-toast{display:none !important}