/* =============================================================================
   SoulCore Billing - Toast Notifications
   TASK-009: Toast Component
   =============================================================================

   Types: success, error, warning, info
   Positions: top-right (default), top-left, bottom-right, bottom-left, top-center, bottom-center
   ============================================================================= */

/* -----------------------------------------------------------------------------
   Toast Container
   ----------------------------------------------------------------------------- */
.billing-toast-container {
  position: fixed;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
  max-width: 100%;
  padding: var(--space-md);
}

/* Position variants */
.billing-toast-container--top-right {
  top: 0;
  right: 0;
}

.billing-toast-container--top-left {
  top: 0;
  left: 0;
}

.billing-toast-container--top-center {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.billing-toast-container--bottom-right {
  bottom: 0;
  right: 0;
}

.billing-toast-container--bottom-left {
  bottom: 0;
  left: 0;
}

.billing-toast-container--bottom-center {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

/* -----------------------------------------------------------------------------
   Base Toast Styles
   ----------------------------------------------------------------------------- */
.billing-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  width: 100%;
  max-width: 24rem;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  opacity: 0;
  transform: translateX(100%);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal);
}

/* Animation states */
.billing-toast--visible {
  opacity: 1;
  transform: translateX(0);
}

.billing-toast--hiding {
  opacity: 0;
  transform: translateX(100%);
}

/* Left-positioned toasts animate from left */
.billing-toast-container--top-left .billing-toast,
.billing-toast-container--bottom-left .billing-toast {
  transform: translateX(-100%);
}

.billing-toast-container--top-left .billing-toast--visible,
.billing-toast-container--bottom-left .billing-toast--visible {
  transform: translateX(0);
}

.billing-toast-container--top-left .billing-toast--hiding,
.billing-toast-container--bottom-left .billing-toast--hiding {
  transform: translateX(-100%);
}

/* Center-positioned toasts animate from top/bottom */
.billing-toast-container--top-center .billing-toast {
  transform: translateY(-100%);
}

.billing-toast-container--bottom-center .billing-toast {
  transform: translateY(100%);
}

.billing-toast-container--top-center .billing-toast--visible,
.billing-toast-container--bottom-center .billing-toast--visible {
  transform: translateY(0);
}

.billing-toast-container--top-center .billing-toast--hiding {
  transform: translateY(-100%);
}

.billing-toast-container--bottom-center .billing-toast--hiding {
  transform: translateY(100%);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .billing-toast {
    transition: opacity var(--transition-fast);
    transform: none !important;
  }

  .billing-toast--hiding {
    transform: none !important;
  }
}

/* -----------------------------------------------------------------------------
   Toast Icon
   ----------------------------------------------------------------------------- */
.billing-toast__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
}

.billing-toast__icon svg {
  width: 100%;
  height: 100%;
}

/* -----------------------------------------------------------------------------
   Toast Content
   ----------------------------------------------------------------------------- */
.billing-toast__content {
  flex: 1;
  min-width: 0;
}

.billing-toast__title {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-xs);
}

.billing-toast__message {
  font-family: var(--font-body);
  font-size: var(--text-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: var(--leading-normal);
  color: var(--text-secondary);
}

/* -----------------------------------------------------------------------------
   Toast Close Button
   ----------------------------------------------------------------------------- */
.billing-toast__close {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  margin: -0.25rem -0.25rem -0.25rem 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.billing-toast__close:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.billing-toast__close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.billing-toast__close-icon {
  width: 1rem;
  height: 1rem;
}

/* -----------------------------------------------------------------------------
   Type Variants - Success
   ----------------------------------------------------------------------------- */
.billing-toast--success {
  border-color: var(--success);
  background: var(--success-bg);
}

.billing-toast--success .billing-toast__icon {
  color: var(--success);
}

.billing-toast--success .billing-toast__title {
  color: var(--success);
}

/* -----------------------------------------------------------------------------
   Type Variants - Error
   ----------------------------------------------------------------------------- */
.billing-toast--error {
  border-color: var(--error);
  background: var(--error-bg);
}

.billing-toast--error .billing-toast__icon {
  color: var(--error);
}

.billing-toast--error .billing-toast__title {
  color: var(--error);
}

/* -----------------------------------------------------------------------------
   Type Variants - Warning
   ----------------------------------------------------------------------------- */
.billing-toast--warning {
  border-color: var(--warning);
  background: var(--warning-bg);
}

.billing-toast--warning .billing-toast__icon {
  color: var(--warning);
}

.billing-toast--warning .billing-toast__title {
  color: var(--warning);
}

/* -----------------------------------------------------------------------------
   Type Variants - Info
   ----------------------------------------------------------------------------- */
.billing-toast--info {
  border-color: var(--info);
  background: var(--info-bg);
}

.billing-toast--info .billing-toast__icon {
  color: var(--info);
}

.billing-toast--info .billing-toast__title {
  color: var(--info);
}

/* -----------------------------------------------------------------------------
   Dark Theme Overrides
   ----------------------------------------------------------------------------- */
[data-theme="dark"] .billing-toast {
  background: var(--bg-elevated);
  border-color: var(--border-default);
}

[data-theme="dark"] .billing-toast__close:hover {
  background: var(--bg-card);
}

[data-theme="dark"] .billing-toast--success {
  background: var(--success-bg);
  border-color: var(--success);
}

[data-theme="dark"] .billing-toast--error {
  background: var(--error-bg);
  border-color: var(--error);
}

[data-theme="dark"] .billing-toast--warning {
  background: var(--warning-bg);
  border-color: var(--warning);
}

[data-theme="dark"] .billing-toast--info {
  background: var(--info-bg);
  border-color: var(--info);
}

/* -----------------------------------------------------------------------------
   Screen Reader Only
   ----------------------------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}