@use '@angular/material' as mat;
@use '../../../core/tokens/token-utils';
@use './m3-kpi-card';

$fallbacks: m3-kpi-card.get-tokens();

.acp-kpi-card {
  --acp-kpi-card-bg: #{token-utils.slot(kpi-card-primary-bg, $fallbacks)};
  --acp-kpi-card-fg: #{token-utils.slot(kpi-card-primary-color, $fallbacks)};

  display: flex;
  vertical-align: middle;
  width: 100%;
  max-width: 100%;

  &__card {
    width: 100%;
    display: flex;
    flex-direction: column;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    background-color: #ffffff;
  }

  // Default (md) sizes - baseline
  &__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    gap: 12px;
  }

  &__header-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
  }

  &__icon-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  &__icon {
    font-size: 24px;
    width: 24px;
    height: 24px;
    color: var(--acp-kpi-card-fg);
  }

  &__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--acp-kpi-card-bg) 30%, transparent);
    color: var(--acp-kpi-card-fg);
    font-weight: 500;
    font-size: 14px;
    flex-shrink: 0;
  }

  &__avatar-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
  }

  &__avatar-initials {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--acp-kpi-card-bg) 30%, transparent);
    color: var(--acp-kpi-card-fg);
    font-weight: 500;
    font-size: 14px;
    flex-shrink: 0;
  }

  &__title-container {
    flex: 1;
    min-width: 0;
  }

  &__title {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.25px;
    color: var(--acp-kpi-card-fg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  &__subtitle {
    margin: 2px 0 0 0;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.4px;
    color: rgba(var(--acp-kpi-card-fg), 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  &__menu-button {
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity 0.2s ease-in-out;

    &:hover {
      opacity: 1;
    }

    &:focus-visible {
      outline: 2px solid currentColor;
      outline-offset: 2px;
    }
  }

  &__menu {
    will-change: transform;
  }

  &__content {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  &__value-section {
    display: flex;
    align-items: baseline;
    gap: 8px;
  }

  &__value {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--acp-kpi-card-fg);
    line-height: 1.2;
  }

  &__metric {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.25px;
    color: rgba(var(--acp-kpi-card-fg), 0.8);
  }

  &__trend-icon {
    font-size: 16px;
    width: 16px;
    height: 16px;
    // Trend icon inherits color from parent metric element
  }

  &__percentage {
    white-space: nowrap;
  }

  // Trend color styling - applied to metric section when trending
  &.acp-kpi-card--success &__metric {
    color: #{token-utils.slot(kpi-card-success-color, $fallbacks)};
  }

  &.acp-kpi-card--success-light &__metric {
    color: #{token-utils.slot(kpi-card-success-light-color, $fallbacks)};
  }

  &.acp-kpi-card--warning &__metric {
    color: #{token-utils.slot(kpi-card-warning-color, $fallbacks)};
  }

  &.acp-kpi-card--warning-light &__metric {
    color: #{token-utils.slot(kpi-card-warning-light-color, $fallbacks)};
  }

  &.acp-kpi-card--error &__metric {
    color: #{token-utils.slot(kpi-card-error-color, $fallbacks)};
  }

  &.acp-kpi-card--error-light &__metric {
    color: #{token-utils.slot(kpi-card-error-light-color, $fallbacks)};
  }

  &.acp-kpi-card--info &__metric {
    color: #{token-utils.slot(kpi-card-info-color, $fallbacks)};
  }

  &.acp-kpi-card--info-light &__metric {
    color: #{token-utils.slot(kpi-card-info-light-color, $fallbacks)};
  }

  &__description {
    margin: 0;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.4px;
    color: rgba(var(--acp-kpi-card-fg), 0.6);
    line-height: 1.5;
  }

  &__progress {
    height: 4px;
    border-radius: 2px;
    background-color: rgba(var(--acp-kpi-card-fg), 0.12);
  }

  &__footer {
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.4px;
    color: rgba(var(--acp-kpi-card-fg), 0.6);
  }

  &__footer-text {
    margin: 0;
  }

  &__skeleton {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  &__skeleton-header {
    width: 60%;
    height: 16px;
    background: linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.1) 25%,
      rgba(0, 0, 0, 0.05) 50%,
      rgba(0, 0, 0, 0.1) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
  }

  &__skeleton-value {
    width: 40%;
    height: 28px;
    background: linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.1) 25%,
      rgba(0, 0, 0, 0.05) 50%,
      rgba(0, 0, 0, 0.1) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
  }

  &__skeleton-text {
    width: 80%;
    height: 12px;
    background: linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.1) 25%,
      rgba(0, 0, 0, 0.05) 50%,
      rgba(0, 0, 0, 0.1) 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
  }

  @keyframes loading {
    0% {
      background-position: 200% 0;
    }
    100% {
      background-position: -200% 0;
    }
  }

  // Colors
  &.acp-kpi-card--primary {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-primary-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-primary-color, $fallbacks)};
  }

  &.acp-kpi-card--secondary {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-secondary-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-secondary-color, $fallbacks)};
  }

  &.acp-kpi-card--success {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-success-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-success-color, $fallbacks)};
  }

  &.acp-kpi-card--success-light {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-success-light-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-success-light-color, $fallbacks)};
  }

  &.acp-kpi-card--warning {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-warning-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-warning-color, $fallbacks)};
  }

  &.acp-kpi-card--warning-light {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-warning-light-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-warning-light-color, $fallbacks)};
  }

  &.acp-kpi-card--error {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-error-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-error-color, $fallbacks)};
  }

  &.acp-kpi-card--error-light {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-error-light-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-error-light-color, $fallbacks)};
  }

  &.acp-kpi-card--info {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-info-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-info-color, $fallbacks)};
  }

  &.acp-kpi-card--info-light {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-info-light-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-info-light-color, $fallbacks)};
  }

  &.acp-kpi-card--neutral {
    --acp-kpi-card-bg: #{token-utils.slot(kpi-card-neutral-bg, $fallbacks)};
    --acp-kpi-card-fg: #{token-utils.slot(kpi-card-neutral-color, $fallbacks)};
  }

  &.acp-kpi-card--white {
    --acp-kpi-card-bg: #ffffff;
    --acp-kpi-card-fg: #1f2937;
  }

  &.acp-kpi-card--custom {
    --acp-kpi-card-bg: var(
      --acp-kpi-card-custom-bg,
      #{token-utils.slot(kpi-card-custom-bg, $fallbacks)}
    );
    --acp-kpi-card-fg: var(
      --acp-kpi-card-custom-fg,
      #{token-utils.slot(kpi-card-custom-color, $fallbacks)}
    );
  }

  // Variants - Professional Material Design 3 styling
  &.acp-kpi-card--default &__card {
    background: var(--acp-kpi-card-bg);
    color: var(--acp-kpi-card-fg);
    border: 1px solid rgba(var(--acp-kpi-card-fg), 0.12);
  }

  &.acp-kpi-card--elevated &__card {
    background: var(--acp-kpi-card-bg);
    color: var(--acp-kpi-card-fg);
    box-shadow:
      0 3px 8px rgba(0, 0, 0, 0.08),
      0 1px 3px rgba(0, 0, 0, 0.04);
  }

  &.acp-kpi-card--outlined &__card {
    background: transparent;
    color: var(--acp-kpi-card-fg);
    border: 2px solid rgba(var(--acp-kpi-card-fg), 0.2);
  }

  &.acp-kpi-card--filled &__card {
    background: var(--acp-kpi-card-bg);
    color: var(--acp-kpi-card-fg);
  }

  &.acp-kpi-card--tonal &__card {
    // Subtle tonal background using color-mix for better theme support
    background: color-mix(in srgb, var(--acp-kpi-card-bg) 12%, transparent);
    color: var(--acp-kpi-card-fg);
    border: 1px solid rgba(var(--acp-kpi-card-fg), 0.08);
  }

  // States - Professional interaction patterns
  &.acp-kpi-card--clickable &__card {
    cursor: pointer;

    &:hover {
      // Subtle elevation increase on hover
      box-shadow:
        0 6px 12px rgba(0, 0, 0, 0.1),
        0 2px 4px rgba(0, 0, 0, 0.06);
      // Minimal vertical translation for feedback
      transform: translateY(-1px);
    }

    &:active {
      // Slight press-down effect
      transform: translateY(0);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    }

    &:focus-visible {
      outline: 2px solid currentColor;
      outline-offset: 2px;
    }
  }

  &.acp-kpi-card--disabled &__card {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
  }

  &.acp-kpi-card--selected &__card {
    // Subtle selection indicator using border instead of inset shadow
    border: 2px solid var(--acp-kpi-card-fg);
  }

  &.acp-kpi-card--loading &__card {
    pointer-events: none;
    opacity: 0.8;
  }

  // Responsive
  @media (max-width: 768px) {
    &__header {
      padding: 12px;
    }

    &__content {
      padding: 12px;
    }

    &__value {
      font-size: 24px;
    }

    &__title {
      font-size: 13px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    &__card {
      transition: none;
    }

    &__skeleton-header,
    &__skeleton-value,
    &__skeleton-text {
      animation: none;
    }
  }

  @media (prefers-contrast: more) {
    &__card {
      border-width: 2px;
    }
  }
}

// Responsive scaling - Mobile first
@media (max-width: 768px) {
  .acp-kpi-card {
    &__header {
      padding: 12px;
      gap: 8px;
    }

    &__content {
      padding: 12px;
      gap: 8px;
    }

    &__footer {
      padding: 12px;
    }

    &__icon {
      font-size: 20px;
      width: 20px;
      height: 20px;
    }

    &__avatar,
    &__avatar-image,
    &__avatar-initials {
      width: 32px;
      height: 32px;
      font-size: 12px;
    }

    &__title {
      font-size: 13px;
    }

    &__subtitle {
      font-size: 11px;
    }

    &__value {
      font-size: 24px;
    }
  }
}

// Size variants with harmonic scaling
// xs: Very compact (tables, lists)
.acp-kpi-card__card.acp-kpi-card--xs {
  min-height: 96px;

  .acp-kpi-card__header {
    padding: 8px;
    gap: 6px;
  }

  .acp-kpi-card__content {
    padding: 8px;
    gap: 6px;
  }

  .acp-kpi-card__footer {
    padding: 8px;
  }

  .acp-kpi-card__icon {
    font-size: 16px;
    width: 16px;
    height: 16px;
  }

  .acp-kpi-card__avatar,
  .acp-kpi-card__avatar-image,
  .acp-kpi-card__avatar-initials {
    width: 28px;
    height: 28px;
    font-size: 11px;
  }

  .acp-kpi-card__title {
    font-size: 12px;
  }

  .acp-kpi-card__subtitle {
    font-size: 10px;
    margin-top: 1px;
  }

  .acp-kpi-card__value {
    font-size: 18px;
  }

  .acp-kpi-card__percentage {
    font-size: 10px;
  }

  .acp-kpi-card__description {
    font-size: 11px;
  }
}

// sm: Compact (forms, filters)
.acp-kpi-card__card.acp-kpi-card--sm {
  min-height: 128px;

  .acp-kpi-card__header {
    padding: 12px;
    gap: 8px;
  }

  .acp-kpi-card__content {
    padding: 12px;
    gap: 8px;
  }

  .acp-kpi-card__footer {
    padding: 12px;
  }

  .acp-kpi-card__icon {
    font-size: 20px;
    width: 20px;
    height: 20px;
  }

  .acp-kpi-card__avatar,
  .acp-kpi-card__avatar-image,
  .acp-kpi-card__avatar-initials {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .acp-kpi-card__title {
    font-size: 13px;
  }

  .acp-kpi-card__subtitle {
    font-size: 11px;
  }

  .acp-kpi-card__value {
    font-size: 22px;
  }

  .acp-kpi-card__percentage {
    font-size: 11px;
  }

  .acp-kpi-card__description {
    font-size: 12px;
  }
}

// md: Standard (general use) - DEFAULT
.acp-kpi-card__card.acp-kpi-card--md {
  min-height: 160px;

  .acp-kpi-card__header {
    padding: 16px;
    gap: 12px;
  }

  .acp-kpi-card__content {
    padding: 16px;
    gap: 12px;
  }

  .acp-kpi-card__footer {
    padding: 16px;
  }

  .acp-kpi-card__icon {
    font-size: 24px;
    width: 24px;
    height: 24px;
  }

  .acp-kpi-card__avatar,
  .acp-kpi-card__avatar-image,
  .acp-kpi-card__avatar-initials {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }

  .acp-kpi-card__title {
    font-size: 14px;
  }

  .acp-kpi-card__subtitle {
    font-size: 12px;
  }

  .acp-kpi-card__value {
    font-size: 28px;
  }

  .acp-kpi-card__percentage {
    font-size: 12px;
  }

  .acp-kpi-card__description {
    font-size: 13px;
  }
}

// lg: Large (dashboards, featured)
.acp-kpi-card__card.acp-kpi-card--lg {
  min-height: 224px;

  .acp-kpi-card__header {
    padding: 20px;
    gap: 16px;
  }

  .acp-kpi-card__content {
    padding: 20px;
    gap: 16px;
  }

  .acp-kpi-card__footer {
    padding: 20px;
  }

  .acp-kpi-card__icon {
    font-size: 32px;
    width: 32px;
    height: 32px;
  }

  .acp-kpi-card__avatar,
  .acp-kpi-card__avatar-image,
  .acp-kpi-card__avatar-initials {
    width: 48px;
    height: 48px;
    font-size: 16px;
  }

  .acp-kpi-card__title {
    font-size: 16px;
  }

  .acp-kpi-card__subtitle {
    font-size: 13px;
  }

  .acp-kpi-card__value {
    font-size: 36px;
  }

  .acp-kpi-card__percentage {
    font-size: 14px;
  }

  .acp-kpi-card__description {
    font-size: 14px;
  }
}