/* ==========================================================================
   ALERTS.CSS — Toast Notifications & Inline Alerts
   CRM + HRMS Platform | Infusion Business Intelligence
   ==========================================================================
   Used for: success confirmations, error messages, toast bars,
   inline warnings, and system announcements.
   
   Skill 02 Pattern:
     .toast-container
       .toast.toast--{type}.toast--visible
   ========================================================================== */

/* ------------------------------------------------------------------
   1. Toast container — fixed position for floating notifications
   ------------------------------------------------------------------ */
.toast-container {
  position: fixed;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  pointer-events: none; /* Let clicks pass through to content behind gaps */
  max-width: 400px;
  width: calc(100% - var(--space-6));
}

/* ------------------------------------------------------------------
   2. Base toast styling
   ------------------------------------------------------------------ */
.toast {
  pointer-events: auto; /* Enable clicks for the toast itself */
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 16px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: translateX(120%);
  transition: transform var(--transition-base),
              opacity var(--transition-base);
  opacity: 0;
}

.toast--visible {
  transform: translateX(0);
  opacity: 1;
}

.toast__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 16px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.toast__message {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.toast__close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.toast__close:hover {
  color: var(--text-primary);
}

/* ------------------------------------------------------------------
   3. Toast variants — matching Skill 02 icons
   ------------------------------------------------------------------ */
.toast--success {
  border-left: 4px solid var(--success);
}
.toast--success .toast__icon {
  background: var(--success-bg);
  color: var(--success);
}

.toast--error {
  border-left: 4px solid var(--danger);
}
.toast--error .toast__icon {
  background: var(--danger-bg);
  color: var(--danger);
}

.toast--warning {
  border-left: 4px solid var(--warning);
}
.toast--warning .toast__icon {
  background: var(--warning-bg);
  color: var(--warning);
}

.toast--info {
  border-left: 4px solid var(--info);
}
.toast--info .toast__icon {
  background: var(--info-bg);
  color: var(--info);
}

/* ------------------------------------------------------------------
   4. Inline alerts — for use within page content or forms
   ------------------------------------------------------------------ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  border: 1px solid transparent;
}

.alert-icon {
  font-size: 20px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 4px;
}

.alert-description {
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* Inline variants */
.alert--success {
  background: var(--success-bg);
  border-color: rgba(16, 185, 129, 0.2);
  color: #065F46; /* High contrast green */
}

.alert--danger {
  background: var(--danger-bg);
  border-color: rgba(239, 68, 68, 0.2);
  color: #991B1B; /* High contrast red */
}

.alert--warning {
  background: var(--warning-bg);
  border-color: rgba(245, 158, 11, 0.2);
  color: #92400E; /* High contrast amber */
}

.alert--info {
  background: var(--info-bg);
  border-color: rgba(59, 130, 246, 0.2);
  color: #1E40AF; /* High contrast blue */
}

/* ------------------------------------------------------------------
   5. Mobile adjustments
   ------------------------------------------------------------------ */
@media (max-width: 639px) {
  .toast-container {
    top: auto;
    bottom: var(--space-3);
    right: var(--space-2);
    left: var(--space-2);
    width: auto;
    max-width: none;
  }
  
  .toast {
    transform: translateY(120%);
  }
  
  .toast--visible {
    transform: translateY(0);
  }
}