@use '../../styles/card' as card;
@use '../../styles/state' as state;
@use '../../styles/tokens' as t;

:host {
  display: block;
  min-width: 0;
}

.summary-metric-card {
  --metric-accent: #{t.$color-text-secondary};
  @include card.metric-card(default);
  min-height: 132px;

  &.compact {
    min-height: 108px;
    padding: 14px 16px;
  }

  &.size-sm {
    min-height: 96px;
    padding: 12px 14px;

    .metric-value-row strong {
      font-size: 22px;
    }
  }

  &.size-lg {
    min-height: 156px;
    padding: 22px 24px;

    .metric-value-row strong {
      font-size: 36px;
    }
  }

  &.size-xl {
    min-height: 148px;
    padding: 22px 24px;

    .metric-value-row strong {
      font-size: 40px;
      letter-spacing: -0.03em;
    }
  }

  &.variant-plain {
    box-shadow: none;
    background: t.$color-surface;
    border: 1px solid t.$color-border-soft;

    &::before {
      display: none;
    }
  }

  &.variant-elevated {
    box-shadow: t.$shadow-float;
  }

  &.variant-gradient-soft {
    background: linear-gradient(145deg, #ffffff 0%, t.$color-surface-muted 100%);
  }

  &.variant-warning {
    background: linear-gradient(135deg, rgba(t.$color-amber, 0.08), t.$color-surface 46%);
    border-color: rgba(t.$color-amber, 0.3);
  }

  &.variant-urgent {
    background: linear-gradient(135deg, rgba(t.$color-red, 0.11), t.$color-surface 58%);
    border-color: rgba(t.$color-red, 0.36);
    box-shadow: 0 14px 34px rgba(t.$color-red, 0.12);

    &::before {
      width: 4px;
      background: linear-gradient(180deg, rgba(t.$color-red, 0.98), rgba(t.$color-red, 0.42));
    }

    .metric-icon {
      color: t.$color-red;
      background: rgba(t.$color-red, 0.1);
      box-shadow: none;
    }
  }

  &.emphasis-primary {
    .metric-value-row strong {
      color: var(--metric-accent);
    }
  }

  &.clickable {
    cursor: pointer;

    &::after {
      content: '›';
      position: absolute;
      top: 16px;
      right: 14px;
      color: #94a3b8;
      font-size: 18px;
      line-height: 1;
      font-weight: 500;
    }

    &:hover {
      transform: translateY(-1px);
      background: t.$color-accent;
      border-color: t.$color-border;
      box-shadow: t.$shadow-elev-1;
    }

    &:focus-visible {
      @include t.focus-ring;
    }
  }

  &.tone-blue {
    --metric-accent: #{t.$color-blue};
    @include card.metric-card(blue);
  }

  &.tone-green {
    --metric-accent: #{t.$color-green};
    @include card.metric-card(green);
  }

  &.tone-amber {
    --metric-accent: #{t.$color-amber};
    @include card.metric-card(amber);
  }

  &.tone-red {
    --metric-accent: #{t.$color-red};
    @include card.metric-card(red);
  }

  &.tone-purple {
    --metric-accent: #{t.$color-purple};
    @include card.metric-card(purple);
  }
}

.metric-secondary-value {
  margin-left: 6px;
  color: t.$color-text-muted;
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}

.metric-meta {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed t.$color-border-soft;
  color: t.$color-text-muted;
  font-size: 12px;

  strong {
    color: t.$color-text;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
  }
}

.metric-meta-confidence {
  display: inline-flex;
  align-items: center;
  gap: 4px;

  .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;

    &.confidence-high { background: t.$color-green; }
    &.confidence-medium { background: t.$color-amber; }
    &.confidence-low { background: t.$color-red; }
  }
}

.metric-slot {
  position: relative;
  z-index: 1;
  &:empty {
    display: none;
  }
}

.metric-topline,
.metric-value-row,
.metric-footer {
  position: relative;
  z-index: 1;
}

.metric-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: t.$color-text-muted;
  font-size: 13px;
  font-weight: 700;
}

.metric-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.metric-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid t.$color-border-soft;
  background: t.$color-surface-muted;
  color: t.$color-text-muted;
  font-size: 11px;
  font-weight: 600;
  cursor: help;
  position: relative;
  line-height: 1;

  &:hover,
  &:focus-visible {
    border-color: t.$color-blue;
    color: t.$color-blue;
    background: rgba(t.$color-blue, 0.08);

    .metric-tooltip {
      display: block;
    }
  }
}

.metric-tooltip {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.82);
  color: #fff;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  width: 260px;
  z-index: 1000;
  white-space: normal;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);

  &::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid rgba(0, 0, 0, 0.82);
  }
}

.metric-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 12px;
  background: t.$color-surface-muted;
  border: 1px solid t.$color-border-soft;
  box-shadow: t.$shadow-card-flat;
}

.metric-value-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 14px;

  strong {
    color: t.$color-text;
    font-size: 30px;
    font-weight: t.$font-weight-metric;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.03em;
    line-height: 1.1;
  }

  span {
    color: t.$color-text-muted;
    font-size: 13px;
    font-weight: 700;
  }
}

.metric-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 14px;
  color: t.$color-text-muted;
  font-size: 12px;
  line-height: 1.5;
}

.metric-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;

  &.up {
    color: t.$color-green;
  }

  &.down {
    color: t.$color-red;
  }

  &.flat {
    color: t.$color-text-muted;
  }
}

.metric-skeleton {
  @include state.skeleton-line;
  position: relative;
  z-index: 1;

  &.title {
    width: 42%;
  }

  &.value {
    width: 58%;
    height: 30px;
    margin-top: 18px;
  }

  &.desc {
    width: 76%;
    margin-top: 18px;
  }
}

@media (max-width: 768px) {
  .summary-metric-card {
    min-height: 112px;
    padding: 14px;
  }

  .metric-topline {
    font-size: 12px;
  }

  .metric-icon {
    width: 28px;
    height: 28px;
    border-radius: 10px;
  }

  .metric-value-row {
    margin-top: 10px;

    strong {
      font-size: 26px;
      font-variant-numeric: tabular-nums;
      letter-spacing: -0.025em;
    }
  }

  .metric-footer {
    margin-top: 10px;
    font-size: 12px;
  }
}