/*
 * Modale del grafico andamento margine (dialog #margin-chart nel layout, disegnato da
 * margin_chart_controller con Chart.js). File componente separato da application.css.
 * Regole: una property per riga, niente box-shadow (design system).
 */

.margin-chart-dialog {
  width: min(720px, calc(100vw - 2rem));
  max-width: 720px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}

.margin-chart-dialog::backdrop {
  background: rgba(26, 29, 33, 0.45);
}

.margin-chart-box {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.4rem 1.5rem 1.2rem;
}

.margin-chart-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.margin-chart-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
}

.margin-chart-subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.82rem;
  color: var(--gray-text);
}

.margin-chart-close {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: var(--surface);
  color: var(--gray-text);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
}

.margin-chart-close:hover {
  background: var(--azure-soft);
  color: var(--navy);
}

.margin-chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 320px;
}

.margin-chart-note {
  margin: 0;
  font-size: 0.75rem;
  color: var(--gray-text);
}

@media (max-width: 600px) {
  .margin-chart-canvas-wrap {
    height: 260px;
  }
}