/* components/notification/notification.css */

/**
 * Notification Component
Full accessibility support
 * Persistent notifications for important messages
 */

/* ========================================
   NOTIFICATION CUSTOM PROPERTIES
   ======================================== */

.c-notification {
  /* Layout properties */
  --c-notification-padding: var(--ds-space-m);
  --c-notification-gap: var(--ds-space-m);
  --c-notification-border-radius: var(--ds-radius-m);
  
  /* Visual properties */
  --c-notification-background: var(--ds-color-surface);
  --c-notification-border-color: var(--ds-color-border);
  --c-notification-border-width: 1px;
  --c-notification-border-style: solid;
  --c-notification-shadow: var(--ds-shadow-s);
  
  /* Typography */
  --c-notification-title-font-size: var(--ds-font-size-m);
  --c-notification-title-font-weight: var(--ds-font-weight-semibold);
  --c-notification-message-font-size: var(--ds-font-size-m);
  --c-notification-timestamp-font-size: var(--ds-font-size-s);
  
  /* Icon */
  --c-notification-icon-size: 1.5rem;
  
  /* Accent bar */
  --c-notification-accent-width: 4px;
  --c-notification-accent-color: var(--ds-color-border);
}

/* ========================================
   NOTIFICATION BASE
   ======================================== */

.c-notification {
  position: relative;
  display: flex;
  gap: var(--c-notification-gap);
  padding: var(--c-notification-padding);
  background: var(--c-notification-background);
  border: var(--c-notification-border-width) var(--c-notification-border-style) var(--c-notification-border-color);
  border-radius: var(--c-notification-border-radius);
  box-shadow: var(--c-notification-shadow);
  transition: all var(--ds-duration-medium) var(--ds-ease-out);
}

/* Spacing between notifications */
.c-notification + .c-notification {
  margin-top: var(--ds-space-m);
}

/* Accent bar */
.c-notification::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--c-notification-accent-width);
  background: var(--c-notification-accent-color);
  border-radius: var(--c-notification-border-radius) 0 0 var(--c-notification-border-radius);
}

/* Notification icon */
.c-notification__icon {
  flex-shrink: 0;
  width: var(--c-notification-icon-size);
  height: var(--c-notification-icon-size);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: calc(var(--ds-space-xs) / 2);
}

.c-notification__icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 2;
}

/* Notification content */
.c-notification__content {
  flex: 1;
  min-width: 0;
}

.c-notification__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ds-space-m);
  margin-bottom: var(--ds-space-xs);
}

.c-notification__title {
  margin: 0;
  font-size: var(--c-notification-title-font-size);
  font-weight: var(--c-notification-title-font-weight);
  color: var(--ds-color-text);
  line-height: var(--ds-line-height-s);
}

.c-notification__timestamp {
  flex-shrink: 0;
  font-size: var(--c-notification-timestamp-font-size);
  color: var(--ds-color-text-weaker);
  line-height: var(--ds-line-height-m);
}

.c-notification__message {
  margin: 0;
  font-size: var(--c-notification-message-font-size);
  color: var(--ds-color-text-weak);
  line-height: var(--ds-line-height-l);
}

/* Notification actions */
.c-notification__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ds-space-s);
  margin-top: var(--ds-space-m);
}

.c-notification__action {
  padding: var(--ds-space-xs) var(--ds-space-m);
  background: transparent;
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-s);
  color: var(--ds-color-accent);
  font-size: var(--ds-font-size-s);
  font-weight: var(--ds-font-weight-medium);
  cursor: pointer;
  transition: all var(--ds-duration-fast) var(--ds-ease-out);
  white-space: nowrap;
}

.c-notification__action:hover {
  background: var(--ds-color-button-hover);
  border-color: var(--ds-color-accent);
}

.c-notification__action:focus-visible {
  outline: var(--ds-focus-ring-width) solid var(--ds-focus-ring-color);
  outline-offset: var(--ds-focus-ring-offset);
}

.c-notification__action--primary {
  background: var(--ds-color-accent);
  color: var(--ds-color-text-on-accent);
  border-color: var(--ds-color-accent);
}

.c-notification__action--primary:hover {
  background: var(--ds-color-accent-strong);
  border-color: var(--ds-color-accent-strong);
}

/* Close button */
.c-notification__close {
  position: absolute;
  top: var(--ds-space-m);
  right: var(--ds-space-m);
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--ds-color-icon);
  border-radius: var(--ds-radius-s);
  transition: all var(--ds-duration-fast) var(--ds-ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.c-notification__close:hover {
  background: var(--ds-color-button-hover);
  color: var(--ds-color-icon-hover);
}

.c-notification__close:focus-visible {
  outline: var(--ds-focus-ring-width) solid var(--ds-focus-ring-color);
  outline-offset: calc(var(--ds-focus-ring-offset) * -1);
}

.c-notification__close:active {
  transform: scale(0.95);
}

.c-notification__close svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  stroke-width: var(--ds-icon-stroke-width, 2);
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
}

/* When using button component inside notification close */
.c-notification__close.c-button {
  --c-button-padding-inline: 0;
  --c-button-padding-block: 0;
  position: absolute;
  top: var(--ds-space-m);
  right: var(--ds-space-m);
  width: 1.5rem;
  height: 1.5rem;
  min-height: 1.5rem;
}

.c-notification__close.c-button svg {
  width: 1rem;
  height: 1rem;
}

/* With close button - adjust padding */
.c-notification--dismissible .c-notification__header {
  padding-right: var(--ds-space-xl);
}

/* ========================================
   NOTIFICATION VARIANTS
   ======================================== */

/* Success */
.c-notification--success {
  --c-notification-background: var(--ds-color-status-success-weak);
  --c-notification-border-color: var(--ds-color-border-success);
  --c-notification-accent-color: var(--ds-color-status-success);
}

.c-notification--success .c-notification__icon {
  color: var(--ds-color-status-success);
}

/* Error/Danger */
.c-notification--error,
.c-notification--danger {
  --c-notification-background: var(--ds-color-status-danger-weak);
  --c-notification-border-color: var(--ds-color-border-danger);
  --c-notification-accent-color: var(--ds-color-status-danger);
}

.c-notification--error .c-notification__icon,
.c-notification--danger .c-notification__icon {
  color: var(--ds-color-status-danger);
}

/* Warning */
.c-notification--warning {
  --c-notification-background: var(--ds-color-status-warning-weak);
  --c-notification-border-color: var(--ds-color-border-warning);
  --c-notification-accent-color: var(--ds-color-status-warning);
}

.c-notification--warning .c-notification__icon {
  color: var(--ds-color-status-warning);
}

/* Info */
.c-notification--info {
  --c-notification-background: var(--ds-color-status-info-weak);
  --c-notification-border-color: var(--ds-color-border-info);
  --c-notification-accent-color: var(--ds-color-status-info);
}

.c-notification--info .c-notification__icon {
  color: var(--ds-color-status-info);
}

/* Neutral */
.c-notification--neutral {
  --c-notification-background: var(--ds-color-surface-raised);
  --c-notification-border-color: var(--ds-color-border);
  --c-notification-accent-color: var(--ds-color-border-strong);
}

.c-notification--neutral .c-notification__icon {
  color: var(--ds-color-icon);
}

/* ========================================
   SIZE VARIANTS
   ======================================== */

/* Compact */
.c-notification--compact {
  --c-notification-padding: var(--ds-space-s);
  --c-notification-gap: var(--ds-space-s);
  --c-notification-icon-size: 1.25rem;
  --c-notification-title-font-size: var(--ds-font-size-s);
  --c-notification-message-font-size: var(--ds-font-size-s);
}

/* Large */
.c-notification--large {
  --c-notification-padding: var(--ds-space-l);
  --c-notification-gap: var(--ds-space-l);
  --c-notification-icon-size: 2rem;
  --c-notification-title-font-size: var(--ds-font-size-l);
}

/* ========================================
   STYLE VARIANTS
   ======================================== */

/* Filled */
.c-notification--filled {
  color: white;
  border: none;
}

.c-notification--filled.c-notification--success {
  background: var(--ds-color-status-success);
}

.c-notification--filled.c-notification--error,
.c-notification--filled.c-notification--danger {
  background: var(--ds-color-status-danger);
}

.c-notification--filled.c-notification--warning {
  background: var(--ds-color-status-warning);
}

.c-notification--filled.c-notification--info {
  background: var(--ds-color-status-info);
}

.c-notification--filled .c-notification__title,
.c-notification--filled .c-notification__message,
.c-notification--filled .c-notification__timestamp,
.c-notification--filled .c-notification__close,
.c-notification--filled .c-notification__icon {
  color: white;
}

.c-notification--filled .c-notification__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.c-notification--filled .c-notification__action {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}

.c-notification--filled .c-notification__action:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.4);
}

.c-notification--filled::before {
  background: rgba(0, 0, 0, 0.2);
}

/* Banner style */
.c-notification--banner {
  border-radius: 0;
  border-left: none;
  border-right: none;
  box-shadow: none;
  margin: 0;
}

.c-notification--banner::before {
  border-radius: 0;
}

/* ========================================
   NOTIFICATION STACK
   ======================================== */

.c-notification-stack {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-m);
}

.c-notification-stack--fixed {
  position: fixed;
  top: var(--ds-space-l);
  right: var(--ds-space-l);
  left: var(--ds-space-l);
  max-width: 32rem;
  margin: 0 auto;
  z-index: 1040;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes c-notification-slide-down {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes c-notification-fade-out {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.95);
  }
}

.c-notification--entering {
  animation: c-notification-slide-down var(--ds-duration-medium) var(--ds-ease-out);
}

.c-notification--exiting {
  animation: c-notification-fade-out var(--ds-duration-medium) var(--ds-ease-in) forwards;
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

/* High contrast mode */
@media (prefers-contrast: high) {
  .c-notification {
    border-width: 2px;
  }
  
  .c-notification--filled {
    outline: 2px solid currentColor;
    outline-offset: -2px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .c-notification--entering {
    animation: none;
  }
  
  .c-notification--exiting {
    animation: none;
    opacity: 0;
  }
}

/* Responsive */
@media (max-width: 640px) {
  .c-notification-stack--fixed {
    top: var(--ds-space-s);
    right: var(--ds-space-s);
    left: var(--ds-space-s);
  }
  
  .c-notification {
    --c-notification-padding: var(--ds-space-s);
  }
  
  .c-notification__actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .c-notification__action {
    width: 100%;
    text-align: center;
  }
}