/* ═══════════════════════════════════════════════════════
   ED VentGuide Pro — Toast Notification System
   Premium slide-in notifications with auto-dismiss,
   progress bars, stacking, and micro-animations.
   ═══════════════════════════════════════════════════════ */

/* ── Toast Container ─────────────────────────────────── */
.toast-container {
  position: fixed;
  top: max(16px, env(safe-area-inset-top, 16px));
  right: max(16px, env(safe-area-inset-right, 16px));
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: min(420px, calc(100vw - 32px));
  width: 100%;
}

/* ── Individual Toast ────────────────────────────────── */
.toast {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px 16px 16px;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;

  /* Glassmorphism surface */
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);

  /* Entry animation */
  animation: toastSlideIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transform: translateX(110%);
  opacity: 0;

  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.25s ease,
              box-shadow 0.2s ease;
}

/* ── Dark mode surface ───────────────────────────────── */
.dark .toast {
  background: rgba(20, 25, 41, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 2px 8px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ── Hover / Active states ───────────────────────────── */
.toast:hover {
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.16),
    0 4px 12px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transform: translateX(-4px) !important;
}
.dark .toast:hover {
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.5),
    0 4px 12px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.toast:active {
  transform: scale(0.98) !important;
}

/* ── Icon container ──────────────────────────────────── */
.toast-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.toast-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.4), transparent);
  animation: iconPulse 2s ease-in-out 0.5s;
}

/* Icon colors per type */
.toast.toast-success .toast-icon {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: white;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}
.toast.toast-danger .toast-icon {
  background: linear-gradient(135deg, #f87171, #dc2626);
  color: white;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}
.toast.toast-warning .toast-icon {
  background: linear-gradient(135deg, #fbbf24, #d97706);
  color: white;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}
.toast.toast-info .toast-icon {
  background: linear-gradient(135deg, #60a5fa, #2563eb);
  color: white;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* ── Content ─────────────────────────────────────────── */
.toast-body {
  flex: 1;
  min-width: 0;
  padding-top: 2px;
}
.toast-title {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 3px;
  line-height: 1.3;
}
.toast.toast-success .toast-title { color: #15803d; }
.toast.toast-danger  .toast-title { color: #b91c1c; }
.toast.toast-warning .toast-title { color: #92400e; }
.toast.toast-info    .toast-title { color: #1e40af; }

.dark .toast.toast-success .toast-title { color: #86efac; }
.dark .toast.toast-danger  .toast-title { color: #fca5a5; }
.dark .toast.toast-warning .toast-title { color: #fcd34d; }
.dark .toast.toast-info    .toast-title { color: #93c5fd; }

.toast-message {
  font-size: 0.82rem;
  font-weight: 600;
  color: #475569;
  line-height: 1.5;
  word-break: break-word;
}
.dark .toast-message {
  color: #94a3b8;
}

/* ── Close button ────────────────────────────────────── */
.toast-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: #94a3b8;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  opacity: 0;
  transform: scale(0.8);
  font-family: inherit;
  padding: 0;
  line-height: 1;
}
.toast:hover .toast-close {
  opacity: 1;
  transform: scale(1);
}
.toast-close:hover {
  background: rgba(0, 0, 0, 0.06);
  color: #64748b;
}
.dark .toast-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
}

/* ── Progress bar (auto-dismiss countdown) ───────────── */
.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  overflow: hidden;
  border-radius: 0 0 16px 16px;
}
.toast-progress-bar {
  height: 100%;
  width: 100%;
  transform-origin: left;
  border-radius: 0 0 16px 16px;
  /* Animation is set via JS inline style */
}
.toast.toast-success .toast-progress-bar {
  background: linear-gradient(90deg, #22c55e, #86efac);
}
.toast.toast-danger .toast-progress-bar {
  background: linear-gradient(90deg, #dc2626, #f87171);
}
.toast.toast-warning .toast-progress-bar {
  background: linear-gradient(90deg, #d97706, #fbbf24);
}
.toast.toast-info .toast-progress-bar {
  background: linear-gradient(90deg, #2563eb, #60a5fa);
}

/* Pause progress on hover */
.toast:hover .toast-progress-bar {
  animation-play-state: paused !important;
}

/* ── Side accent strip ───────────────────────────────── */
.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  border-radius: 16px 0 0 16px;
}
.toast.toast-success::before {
  background: linear-gradient(to bottom, #22c55e, #16a34a);
}
.toast.toast-danger::before {
  background: linear-gradient(to bottom, #f87171, #dc2626);
}
.toast.toast-warning::before {
  background: linear-gradient(to bottom, #fbbf24, #d97706);
}
.toast.toast-info::before {
  background: linear-gradient(to bottom, #60a5fa, #2563eb);
}

/* ── Animations ──────────────────────────────────────── */
@keyframes toastSlideIn {
  0% {
    transform: translateX(110%) scale(0.85);
    opacity: 0;
  }
  60% {
    transform: translateX(-8px) scale(1.02);
    opacity: 1;
  }
  100% {
    transform: translateX(0) scale(1);
    opacity: 1;
  }
}

@keyframes toastSlideOut {
  0% {
    transform: translateX(0) scale(1);
    opacity: 1;
    max-height: 200px;
    margin-bottom: 0;
  }
  50% {
    transform: translateX(110%) scale(0.9);
    opacity: 0;
    max-height: 200px;
    margin-bottom: 0;
  }
  100% {
    transform: translateX(110%) scale(0.9);
    opacity: 0;
    max-height: 0;
    margin-bottom: -10px;
    padding-top: 0;
    padding-bottom: 0;
  }
}

@keyframes toastProgress {
  from { transform: scaleX(1); }
  to   { transform: scaleX(0); }
}

@keyframes iconPulse {
  0%   { opacity: 0; transform: scale(0); }
  50%  { opacity: 0.6; transform: scale(1.2); }
  100% { opacity: 0; transform: scale(2); }
}

/* Exit state */
.toast.toast-exiting {
  animation: toastSlideOut 0.4s cubic-bezier(0.4, 0, 1, 1) forwards;
}

/* ── Stacking: subtle scale for depth effect ─────────── */
.toast:nth-child(n+4) {
  opacity: 0.6;
  transform: scale(0.95);
}
.toast:nth-child(n+6) {
  display: none;
}

/* ── Reduced motion ──────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .toast {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .toast-progress-bar {
    animation-duration: 0.01ms !important;
  }
  .toast-icon::after {
    animation: none;
  }
}

/* ── Mobile adjustments ──────────────────────────────── */
@media (max-width: 480px) {
  .toast-container {
    top: auto;
    bottom: max(16px, env(safe-area-inset-bottom, 16px));
    right: 8px;
    left: 8px;
    max-width: 100%;
    align-items: stretch;
  }
  .toast {
    border-radius: 14px;
  }
  .toast::before {
    border-radius: 14px 0 0 14px;
  }
  .toast-progress {
    border-radius: 0 0 14px 14px;
  }

  @keyframes toastSlideIn {
    0% {
      transform: translateY(110%) scale(0.9);
      opacity: 0;
    }
    60% {
      transform: translateY(-4px) scale(1.01);
      opacity: 1;
    }
    100% {
      transform: translateY(0) scale(1);
      opacity: 1;
    }
  }
  @keyframes toastSlideOut {
    0% {
      transform: translateY(0) scale(1);
      opacity: 1;
      max-height: 200px;
    }
    50% {
      transform: translateY(110%) scale(0.9);
      opacity: 0;
      max-height: 200px;
    }
    100% {
      transform: translateY(110%) scale(0.9);
      opacity: 0;
      max-height: 0;
      padding: 0;
    }
  }
  .toast:hover {
    transform: translateY(-2px) !important;
  }
}

/* ── Print: hide toasts ──────────────────────────────── */
@media print {
  .toast-container { display: none !important; }
}