/* ═══════════════════════════════════════════════════════════
   atr-card — Card shell (flat | raised | accent | clickable)
   Depends: tokens.css or tokens.shared.css + ds-tokens where available
   Demo: /static/components-demo.html#card
   ═══════════════════════════════════════════════════════════ */

.atr-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-radius: var(--ds-radius-lg, 16px);
  border: 1px solid var(--atr-border, #e5e7eb);
  background: var(--ds-surface-raised, #fff);
  box-shadow: var(--ds-shadow-sm, 0 1px 2px rgba(15, 23, 42, 0.05));
  overflow: hidden;
}

.atr-card--flat {
  box-shadow: none;
  background: var(--ds-surface-muted, #f7f7f8);
}

.atr-card--raised {
  box-shadow: var(--ds-shadow-md, 0 4px 16px rgba(15, 23, 42, 0.07));
}

.atr-card--accent {
  border-color: color-mix(in srgb, var(--atr-accent, #e8622a) 35%, var(--atr-border, #e5e7eb));
}

.atr-card--clickable {
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.atr-card--clickable:hover {
  box-shadow: var(--ds-shadow-md, 0 4px 16px rgba(15, 23, 42, 0.08));
  border-color: var(--atr-border-strong, #d9d9d9);
}
.atr-card--clickable:active {
  transform: scale(0.99);
}

.atr-card--sm { border-radius: var(--ds-radius-md, 12px); }
.atr-card--lg { border-radius: var(--ds-radius-xl, 20px); }

/* Accent stripe */
.atr-card--stripe-top::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--atr-accent, #e8622a), var(--atr-accent-strong, #c95522));
}
.atr-card--stripe-left {
  border-left: 3px solid var(--atr-accent, #e8622a);
}

.atr-card__header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px 0;
  flex-shrink: 0;
}
.atr-card__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ds-text, #1a1a1a);
}
.atr-card__body {
  flex: 1;
  min-height: 0;
  padding: 14px 18px 18px;
  font-size: 14px;
  color: var(--ds-text-secondary, #6b7280);
  line-height: 1.55;
}
.atr-card__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 18px 16px;
  flex-shrink: 0;
}
.atr-card__footer:empty {
  display: none;
}