.ui-toast-stack {
  position: fixed;
  left: 0.65rem;
  right: 0.65rem;
  bottom: var(--ui-feedback-toast-bottom, 5.35rem);
  z-index: 10020;
  width: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.ui-toast {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.98);
  border-radius: 0.95rem;
  border: 1px solid rgba(209, 213, 219, 0.95);
  box-shadow: 0 14px 30px rgba(31, 41, 55, 0.2);
  color: #1f2937;
  padding: 0.85rem 0.95rem;
  pointer-events: auto;
}

.ui-toast-success {
  border-left: 4px solid #10b981;
}

.ui-toast-info {
  border-left: 4px solid #3b82f6;
}

.ui-toast-warning {
  border-left: 4px solid #f59e0b;
}

.ui-toast-error {
  border-left: 4px solid #ef4444;
}

.ui-toast-icon {
  font-size: 1rem;
  line-height: 1.4;
  margin-top: 0.1rem;
}

.ui-toast-title {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #4b5563;
  font-weight: 700;
}

.ui-toast-message {
  margin: 0.2rem 0 0;
  font-size: 0.92rem;
  line-height: 1.35;
  color: #1f2937;
  word-break: break-word;
}

.ui-toast-close {
  border: none;
  background: transparent;
  color: #6b7280;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.1rem;
  transition: color 0.15s ease;
}

.ui-toast-close:hover {
  color: #111827;
}

.ui-dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 10010;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  padding: 1rem;
}

.ui-dialog-panel {
  width: 100%;
  max-width: 32rem;
  max-height: min(88vh, 42rem);
  overflow-y: auto;
  border-radius: 1.1rem;
  border: 1px solid rgba(229, 231, 235, 0.9);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.26);
  color: #1f2937;
  padding: 1.6rem;
}

.ui-dialog-info {
  border-top: 4px solid #3b82f6;
}

.ui-dialog-success {
  border-top: 4px solid #10b981;
}

.ui-dialog-warning {
  border-top: 4px solid #f59e0b;
}

.ui-dialog-error {
  border-top: 4px solid #ef4444;
}

.ui-dialog-icon-wrap {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.85rem;
}

.ui-dialog-icon {
  font-size: 1.45rem;
  line-height: 1;
}

.ui-dialog-title {
  margin: 0;
  text-align: center;
  font-size: 1.35rem;
  line-height: 1.25;
  font-weight: 700;
  color: #111827;
}

.ui-dialog-message {
  margin: 0.95rem 0 1.4rem;
  text-align: center;
  line-height: 1.5;
  color: #374151;
}

.ui-dialog-input-wrap {
  margin: -0.4rem 0 1.2rem;
  text-align: left;
}

.ui-dialog-input-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: #4b5563;
  margin-bottom: 0.45rem;
}

.ui-dialog-input {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 0.75rem;
  padding: 0.72rem 0.85rem;
  font-size: 0.95rem;
  line-height: 1.35;
  color: #1f2937;
  background: #ffffff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.ui-dialog-input:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.18);
}

.ui-dialog-input-error {
  margin-top: 0.4rem;
  color: #dc2626;
  font-size: 0.82rem;
  line-height: 1.3;
}

.ui-dialog-actions {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.ui-dialog-btn {
  width: 100%;
  border: none;
  border-radius: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.78rem 1rem;
  transition: all 0.2s ease;
}

.ui-dialog-btn-secondary {
  background: #f3f4f6;
  color: #374151;
}

.ui-dialog-btn-secondary:hover {
  background: #e5e7eb;
}

.ui-dialog-btn-primary {
  background-image: linear-gradient(to right, var(--ui-feedback-primary-from, #9333ea), var(--ui-feedback-primary-to, #4f46e5));
  color: #fff;
  box-shadow: 0 10px 18px var(--ui-feedback-primary-shadow, rgba(79, 70, 229, 0.22));
}

.ui-dialog-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 13px 22px var(--ui-feedback-primary-shadow-hover, rgba(79, 70, 229, 0.26));
}

@media (min-width: 640px) {
  .ui-toast-stack {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: min(96vw, 50rem);
    bottom: var(--ui-feedback-toast-bottom-desktop, 1rem);
  }

  .ui-dialog-actions {
    flex-direction: row;
  }

  .ui-dialog-btn {
    flex: 1;
  }
}

@media (max-width: 640px) {
  .ui-toast-stack {
    left: 0.5rem;
    right: 0.5rem;
    bottom: var(--ui-feedback-toast-bottom-mobile, 5.15rem);
    width: auto;
  }

  .ui-dialog-overlay {
    align-items: flex-end;
    justify-content: center;
    padding: 0.55rem 0.5rem 0;
  }

  .ui-dialog-panel {
    max-width: none;
    width: 100%;
    border-radius: 1rem 1rem 0 0;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    padding: 1.15rem 1rem calc(1rem + env(safe-area-inset-bottom));
    max-height: 84vh;
  }

  .ui-dialog-icon-wrap {
    width: 2.4rem;
    height: 2.4rem;
    margin-bottom: 0.6rem;
  }

  .ui-dialog-title {
    font-size: 1.15rem;
  }

  .ui-dialog-message {
    margin: 0.7rem 0 1rem;
    font-size: 0.95rem;
  }

  .ui-dialog-input-wrap {
    margin: -0.3rem 0 0.95rem;
  }

  .ui-dialog-input {
    font-size: 0.92rem;
    padding: 0.66rem 0.78rem;
  }
}