/**
 * FakeMUI Component Styles
 * Material Design 3 component styling for FakeMUI React components
 * Uses M3 design tokens from CSS custom properties
 */

// ============================================
// Layout - App Shell
// ============================================
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-shell__body {
  display: flex;
  flex: 1;
}

.app-shell__main {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

// ============================================
// AppBar & Toolbar
// ============================================
.app-bar {
  display: flex;
  flex-direction: column;
  background-color: var(--mat-sys-surface-container);
  color: var(--mat-sys-on-surface);
  box-shadow: var(--mat-sys-level2);
  z-index: 1100;
  width: 100%;

  &--sticky { position: sticky; top: 0; }
  &--fixed { position: fixed; top: 0; left: 0; right: 0; }
  &--static { position: relative; }
  &--relative { position: relative; }
  &--absolute { position: absolute; top: 0; left: 0; right: 0; }
}

.toolbar {
  display: flex;
  align-items: center;
  padding: 0 16px;
  min-height: 64px;
  gap: 8px;
  width: 100%;

  &--dense { min-height: 48px; }
  &--no-gutters { padding: 0; }
}

// ============================================
// Button (btn class)
// ============================================
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border: none;
  border-radius: var(--mat-sys-corner-full);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 200ms ease;
  text-decoration: none;
  background-color: var(--mat-sys-primary);
  color: var(--mat-sys-on-primary);

  &:hover {
    box-shadow: var(--mat-sys-level1);
    filter: brightness(1.1);
  }

  &--contained, &--filled {
    background-color: var(--mat-sys-primary);
    color: var(--mat-sys-on-primary);
  }

  &--outline, &--outlined {
    background-color: transparent;
    border: 1px solid var(--mat-sys-outline);
    color: var(--mat-sys-primary);

    &:hover {
      background-color: color-mix(in srgb, var(--mat-sys-primary) 8%, transparent);
    }
  }

  &--text, &--ghost {
    background-color: transparent;
    color: var(--mat-sys-primary);

    &:hover {
      background-color: color-mix(in srgb, var(--mat-sys-primary) 8%, transparent);
    }
  }

  &--sm, &--small { padding: 6px 16px; font-size: 13px; }
  &--lg, &--large { padding: 14px 32px; font-size: 15px; }
  &--full-width { width: 100%; }

  &:disabled {
    opacity: 0.38;
    cursor: not-allowed;
  }
}

.btn__content {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn__start-icon {
  display: flex;
  margin-right: 4px;
}

.btn__end-icon {
  display: flex;
  margin-left: 4px;
}

// Legacy button class support
.button {
  @extend .btn;
}

// ============================================
// IconButton (icon-btn class)
// ============================================
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: none;
  border-radius: var(--mat-sys-corner-full);
  background-color: transparent;
  color: var(--mat-sys-on-surface-variant);
  cursor: pointer;
  transition: background-color 200ms ease;

  &:hover {
    background-color: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
  }

  &--sm, &--small { width: 32px; height: 32px; padding: 4px; }
  &--lg, &--large { width: 48px; height: 48px; padding: 12px; }
  &--inherit { color: inherit; }
  &--edge-start { margin-left: -12px; }
  &--edge-end { margin-right: -12px; }
}

// Legacy class support
.icon-button {
  @extend .icon-btn;
}

// ============================================
// Typography
// ============================================
.typography {
  margin: 0;

  &--h1 { font: var(--mat-sys-display-large-font); }
  &--h2 { font: var(--mat-sys-display-medium-font); }
  &--h3 { font: var(--mat-sys-display-small-font); }
  &--h4 { font: var(--mat-sys-headline-large-font); }
  &--h5 { font: var(--mat-sys-headline-medium-font); }
  &--h6 { font: var(--mat-sys-headline-small-font); }
  &--body1 { font: var(--mat-sys-body-large-font); }
  &--body2 { font: var(--mat-sys-body-medium-font); }
  &--subtitle1 { font: var(--mat-sys-title-medium-font); }
  &--subtitle2 { font: var(--mat-sys-title-small-font); }
  &--caption { font: var(--mat-sys-body-small-font); color: var(--mat-sys-on-surface-variant); }
}

// ============================================
// Paper
// ============================================
.paper {
  background-color: var(--mat-sys-surface);
  border-radius: var(--mat-sys-corner-medium);

  &--elevation-0 { box-shadow: none; }
  &--elevation-1 { box-shadow: var(--mat-sys-level1); }
  &--elevation-2 { box-shadow: var(--mat-sys-level2); }
  &--elevation-3 { box-shadow: var(--mat-sys-level3); }
  &--outlined { border: 1px solid var(--mat-sys-outline-variant); box-shadow: none; }
  &--square { border-radius: 0; }
}

// ============================================
// Card
// ============================================
.card {
  background-color: var(--mat-sys-surface-container-low);
  border-radius: var(--mat-sys-corner-medium);
  overflow: hidden;
  box-shadow: var(--mat-sys-level1);
  transition: box-shadow 200ms ease, transform 200ms ease;

  &--elevated { box-shadow: var(--mat-sys-level1); }
  &--outlined {
    border: 1px solid var(--mat-sys-outline-variant);
    box-shadow: none;
  }
  &--clickable {
    cursor: pointer;
    &:hover {
      box-shadow: var(--mat-sys-level3);
      transform: translateY(-2px);
    }
  }
  &--raised { box-shadow: var(--mat-sys-level2); }
}

.card-content {
  padding: 16px;
}

.card-actions {
  padding: 8px 16px;
  display: flex;
  gap: 8px;

  &--no-spacing { gap: 0; }
}

.card-header {
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.card-media {
  width: 100%;
  background-size: cover;
  background-position: center;
}

.card-action-area {
  display: block;
  width: 100%;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
}

// ============================================
// Drawer
// ============================================
.drawer {
  background-color: var(--mat-sys-surface-container-low);
  height: 100%;
  overflow-y: auto;
  width: 280px;
  padding: 8px 0;

  &--temporary {
    position: fixed;
    top: 0;
    z-index: 1200;
    box-shadow: var(--mat-sys-level4);
  }

  &--temporary.drawer--left { left: 0; }
  &--temporary.drawer--right { right: 0; }

  &--persistent {
    flex-shrink: 0;
    border-right: 1px solid var(--mat-sys-outline-variant);
  }

  &--permanent {
    flex-shrink: 0;
    border-right: 1px solid var(--mat-sys-outline-variant);
  }
}

// ============================================
// List
// ============================================
.list {
  list-style: none;
  padding: 8px 0;
  margin: 0;
}

.list-item {
  padding: 0;

  &--no-padding {
    padding: 0;
  }
}

.list-item-button {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--mat-sys-on-surface);
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  font-size: 14px;
  text-align: left;
  transition: background-color 200ms ease;
  border-radius: var(--mat-sys-corner-full);
  margin: 2px 8px;
  width: calc(100% - 16px);

  &:hover {
    background-color: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
  }

  &--selected {
    background-color: var(--mat-sys-secondary-container);
    color: var(--mat-sys-on-secondary-container);
  }
}

.list-item-text {
  flex: 1;
  min-width: 0;
}

.list-item-title {
  font: var(--mat-sys-body-large-font);
  color: var(--mat-sys-on-surface);
}

.list-item-subtitle {
  font: var(--mat-sys-body-medium-font);
  color: var(--mat-sys-on-surface-variant);
}

.list-item-icon {
  margin-right: 16px;
  color: var(--mat-sys-on-surface-variant);
}

.list-subheader {
  padding: 12px 16px 8px;
  font: var(--mat-sys-title-small-font);
  color: var(--mat-sys-on-surface-variant);
}

// ============================================
// Divider
// ============================================
.divider {
  border: none;
  height: 1px;
  background-color: var(--mat-sys-outline-variant);
  margin: 8px 0;

  &--inset {
    margin-left: 72px;
  }
}

// ============================================
// Avatar
// ============================================
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--mat-sys-corner-full);
  background-color: var(--mat-sys-primary-container);
  color: var(--mat-sys-on-primary-container);
  font-weight: 500;
  font-size: 16px;
  overflow: hidden;
}

// ============================================
// Menu
// ============================================
.menu {
  position: absolute;
  background-color: var(--mat-sys-surface-container);
  border-radius: var(--mat-sys-corner-small);
  box-shadow: var(--mat-sys-level2);
  min-width: 180px;
  padding: 8px 0;
  z-index: 1300;
}

.menu-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--mat-sys-on-surface);
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  text-align: left;

  &:hover {
    background-color: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
  }
}

// ============================================
// Tooltip
// ============================================
.tooltip {
  background-color: var(--mat-sys-inverse-surface);
  color: var(--mat-sys-inverse-on-surface);
  padding: 6px 12px;
  border-radius: var(--mat-sys-corner-small);
  font-size: 12px;
  position: absolute;
  z-index: 1500;
  pointer-events: none;
}

// CSS-only tooltip driven by data-tooltip attribute
.tooltip-wrapper {
  position: relative;
  display: inline-flex;

  &::before,
  &::after {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
    z-index: var(--z-tooltip, 1500);
  }

  // Tooltip bubble
  &::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background-color: var(--mat-sys-inverse-surface);
    color: var(--mat-sys-inverse-on-surface);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 1.4;
    white-space: nowrap;
    max-width: 260px;
    white-space: normal;
    text-align: center;
  }

  // Arrow
  &::after {
    content: '';
    position: absolute;
    bottom: calc(100% + 3px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    border: 5px solid transparent;
    border-top-color: var(--mat-sys-inverse-surface);
  }

  &:hover::before,
  &:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  // Placement variants
  &[data-placement='bottom'] {
    &::before {
      bottom: auto;
      top: calc(100% + 8px);
      transform: translateX(-50%) translateY(-4px);
    }
    &::after {
      bottom: auto;
      top: calc(100% + 3px);
      border-top-color: transparent;
      border-bottom-color: var(--mat-sys-inverse-surface);
      transform: translateX(-50%) translateY(-4px);
    }
    &:hover::before,
    &:hover::after { transform: translateX(-50%) translateY(0); }
  }
}

// ============================================
// Chip
// ============================================
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--mat-sys-corner-small);
  font-size: 13px;
  background-color: var(--mat-sys-surface-container-high);
  color: var(--mat-sys-on-surface);

  &--filled {
    background-color: var(--mat-sys-secondary-container);
    color: var(--mat-sys-on-secondary-container);
  }
  &--outlined {
    background: transparent;
    border: 1px solid var(--mat-sys-outline);
  }
  &--small { padding: 4px 8px; font-size: 12px; }
}

// ============================================
// Badge
// ============================================
.badge {
  position: relative;
  display: inline-flex;

  &__content {
    position: absolute;
    top: 0;
    right: 0;
    transform: translate(50%, -50%);
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--mat-sys-corner-full);
    background-color: var(--mat-sys-error);
    color: var(--mat-sys-on-error);
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

// ============================================
// Backdrop
// ============================================
.backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1100;
}

// ============================================
// Progress
// ============================================
.circular-progress {
  animation: rotate 1.4s linear infinite;
}

@keyframes rotate {
  100% { transform: rotate(360deg); }
}

// ============================================
// Snackbar
// ============================================
.snackbar {
  position: fixed;
  z-index: 1400;
  padding: 16px;

  &--bottom { bottom: 0; }
  &--top { top: 0; }
  &--left { left: 0; }
  &--right { right: 0; }
  &--center { left: 50%; transform: translateX(-50%); }
}

.snackbar-content {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background-color: var(--mat-sys-inverse-surface);
  color: var(--mat-sys-inverse-on-surface);
  border-radius: var(--mat-sys-corner-small);
  box-shadow: var(--mat-sys-level3);

  &--success { background-color: #1b5e20; }
  &--error { background-color: var(--mat-sys-error); color: var(--mat-sys-on-error); }
  &--warning { background-color: #e65100; }
  &--info { background-color: var(--mat-sys-primary); color: var(--mat-sys-on-primary); }
}

// ============================================
// Notification Container
// ============================================
.notification-container {
  position: fixed;
  z-index: 1400;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  max-width: 400px;

  &--top-right { top: 0; right: 0; }
  &--top-left { top: 0; left: 0; }
  &--bottom-right { bottom: 0; right: 0; }
  &--bottom-left { bottom: 0; left: 0; }
  &--top-center { top: 0; left: 50%; transform: translateX(-50%); }
  &--bottom-center { bottom: 0; left: 50%; transform: translateX(-50%); }
}

.notification {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--mat-sys-corner-small);
  box-shadow: var(--mat-sys-level2);
  animation: slide-in 200ms ease;

  &--success { background-color: #d4edda; color: #155724; }
  &--error { background-color: var(--mat-sys-error-container); color: var(--mat-sys-on-error-container); }
  &--warning { background-color: #fff3cd; color: #856404; }
  &--info { background-color: var(--mat-sys-primary-container); color: var(--mat-sys-on-primary-container); }

  &__icon { font-size: 20px; }
  &__message { flex: 1; }
  &__close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.7;
    color: inherit;

    &:hover { opacity: 1; }
  }
}

@keyframes slide-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

// ============================================
// Grid System
// ============================================
.grid-container {
  display: flex;
  flex-wrap: wrap;
  margin: -12px;
  width: calc(100% + 24px);
}

.grid-item {
  padding: 12px;
  box-sizing: border-box;
}

// Column classes
.col-12 { width: 100%; }
.col-11 { width: 91.666667%; }
.col-10 { width: 83.333333%; }
.col-9 { width: 75%; }
.col-8 { width: 66.666667%; }
.col-7 { width: 58.333333%; }
.col-6 { width: 50%; }
.col-5 { width: 41.666667%; }
.col-4 { width: 33.333333%; }
.col-3 { width: 25%; }
.col-2 { width: 16.666667%; }
.col-1 { width: 8.333333%; }

@media (min-width: 600px) {
  .col-sm-12 { width: 100%; }
  .col-sm-6 { width: 50%; }
  .col-sm-4 { width: 33.333333%; }
  .col-sm-3 { width: 25%; }
}

@media (min-width: 900px) {
  .col-md-12 { width: 100%; }
  .col-md-6 { width: 50%; }
  .col-md-4 { width: 33.333333%; }
  .col-md-3 { width: 25%; }
}

@media (min-width: 1200px) {
  .col-lg-12 { width: 100%; }
  .col-lg-6 { width: 50%; }
  .col-lg-4 { width: 33.333333%; }
  .col-lg-3 { width: 25%; }
}

// Legacy grid class support
.grid {
  display: flex;
  flex-wrap: wrap;

  &--spacing-1 { margin: -4px; & > * { padding: 4px; } }
  &--spacing-2 { margin: -8px; & > * { padding: 8px; } }
  &--spacing-3 { margin: -12px; & > * { padding: 12px; } }
}

// ============================================
// Breadcrumbs
// ============================================
.breadcrumbs {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--mat-sys-on-surface-variant);
  padding: 8px 0;
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 8px;
}

.breadcrumbs-item {
  display: flex;
  align-items: center;
  gap: 8px;

  a {
    color: var(--mat-sys-primary);
    text-decoration: none;

    &:hover { text-decoration: underline; }
  }

  &::after {
    content: '/';
    color: var(--mat-sys-outline);
    margin-left: 8px;
  }

  &:last-child::after {
    display: none;
  }
}

.breadcrumbs-current {
  color: var(--mat-sys-on-surface);
}

.breadcrumbs__separator {
  color: var(--mat-sys-outline);
  margin: 0 4px;
}

// ============================================
// Link
// ============================================
.link {
  color: var(--mat-sys-primary);
  text-decoration: none;
  cursor: pointer;

  &:hover { text-decoration: underline; }
}

// ============================================
// Accordion
// ============================================
.accordion {
  border: 1px solid var(--mat-sys-outline-variant);
  border-radius: var(--mat-sys-corner-small);

  &--expanded { }
  &--disabled { opacity: 0.38; pointer-events: none; }
}

.accordion-header {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 16px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-align: left;
}

.accordion-content {
  padding: 0 16px 16px;
}

.accordion-actions {
  padding: 8px 16px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

// ============================================
// Utility Classes
// ============================================
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }

.text-text\.secondary {
  color: var(--mat-sys-on-surface-variant);
}

// ============================================
// Main Content Area
// ============================================
main {
  flex: 1;
  padding: 24px;
  background-color: var(--mat-sys-surface);
}

// ============================================
// Page Header
// ============================================
.page-header {
  margin-bottom: 24px;

  h1, h2, h3 {
    margin: 0 0 8px 0;
  }
}