/* Theme variables */
:root {
  --wise-admin-bg: #0f1117;
  --wise-admin-card: #ffffff;
  --wise-admin-surface: #f5f6fb;
  --wise-admin-text: #111827;
  --wise-admin-muted: #6b7280;
  --wise-admin-primary: #417690; /* requested color */
  --wise-admin-primary-dark: #417690;
  --wise-admin-border: #dce1f4;
}

/* Prefer dark theme to match Django admin dark UI */
@media (prefers-color-scheme: dark) {
  :root {
    --wise-admin-bg: #0b0e14;
    --wise-admin-card: #0f1629; /* deep navy */
    --wise-admin-surface: #0c1220;
    --wise-admin-text: #e5e7eb;
    --wise-admin-muted: #9ca3af;
    --wise-admin-primary: #417690;
    --wise-admin-primary-dark: #417690;
    --wise-admin-border: #233255;
  }
}

.chart-studio {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.chart-studio__intro h1 {
  margin: 0 0 6px;
  font-size: 28px;
  color: var(--wise-admin-text);
}

.chart-studio__intro p {
  margin: 0;
  font-size: 15px;
  color: var(--wise-admin-muted);
  max-width: 560px;
}

.chart-studio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.chart-studio__form-card {
  background: var(--wise-admin-card);
  border-radius: 22px;
  padding: 26px 28px;
  box-shadow: 0 18px 36px rgba(30, 34, 67, 0.1);
}

.chart-form fieldset {
  border: none;
  padding: 0;
  margin: 0 0 20px;
}

.chart-form__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 22px;
  gap: 18px;
  flex-wrap: wrap;
}

.chart-form__title-block h2 {
  margin: 0;
  font-size: 22px;
  color: var(--wise-admin-text);
}

.chart-form__title-block p {
  margin: 6px 0 0;
  color: var(--wise-admin-muted);
  font-size: 14px;
  max-width: 520px;
}

.chart-form legend {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--wise-admin-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.chart-form__columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.chart-form__column {
  /* rgb(65,118,144) from #417690 */
  background: linear-gradient(160deg, rgba(65, 118, 144, 0.10), rgba(65, 118, 144, 0.04));
  border: 1px solid rgba(65, 118, 144, 0.18);
  border-radius: 18px;
  padding: 18px 20px 20px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.chart-form__column legend {
  color: var(--wise-admin-primary-dark);
  letter-spacing: 0.12em;
}

.chart-form__column-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chart-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.chart-form__field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--wise-admin-text);
}

.chart-form__field input,
.chart-form__field select {
  border-radius: 10px;
  border: 1px solid var(--wise-admin-border);
  padding: 12px 14px;
  min-height: 44px;
  line-height: 1.3;
  font-size: 14px;
  background: var(--wise-admin-card);
  color: var(--wise-admin-text);
  width: 85%;
  max-width: 520px;
  align-self: flex-start;
}

/* Select-specific tweaks to make the control taller and room for arrow */
.chart-form__field select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding-right: 36px;
}

.chart-form__input {
  border-radius: 10px;
  border: 1px solid var(--wise-admin-border);
  padding: 12px 14px;
  min-height: 44px;
  line-height: 1.3;
  width: 85%;
  max-width: 520px;
  align-self: flex-start;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  background: var(--wise-admin-card);
  color: var(--wise-admin-text);
}

.chart-form__input:focus {
  border-color: var(--wise-admin-primary);
  box-shadow: 0 0 0 3px rgba(65, 118, 144, 0.22);
  outline: none;
}

.chart-form__input::placeholder {
  color: rgba(101, 113, 153, 0.75);
}

.chart-form__field--pair {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.chart-form__field--pair > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chart-form__hint {
  margin: 0;
  font-size: 13px;
  color: var(--wise-admin-muted);
  line-height: 1.5;
}

.chart-form__errors {
  background: rgba(239, 106, 106, 0.12);
  border: 1px solid rgba(239, 106, 106, 0.3);
  color: #d6455d;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 13px;
}

.chart-form__actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.button--ghost {
  background: var(--wise-admin-card);
  color: var(--wise-admin-primary);
  border: 1px solid rgba(65, 118, 144, 0.38);
  box-shadow: none;
}

.button--ghost:hover {
  background: rgba(65, 118, 144, 0.10);
  transform: none;
  box-shadow: none;
}

.chart-studio__results {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.chart-studio__empty {
  background: linear-gradient(135deg, rgba(65, 118, 144, 0.12), rgba(65, 118, 144, 0.05));
  border: 1px dashed rgba(65, 118, 144, 0.40);
  border-radius: 18px;
  padding: 36px;
  text-align: center;
  color: var(--wise-admin-muted);
  font-size: 15px;
}

.chart-card {
  background: var(--wise-admin-card);
  border-radius: 22px;
  padding: 24px 26px;
  box-shadow: 0 18px 34px rgba(30, 34, 67, 0.1);
}

.chart-card__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.chart-card__header h2 {
  margin: 0;
  font-size: 20px;
  color: var(--wise-admin-text);
}

.chart-card__meta {
  font-size: 13px;
  color: var(--wise-admin-muted);
}

.chart-card__svg {
  border-radius: 18px;
  background: var(--wise-admin-surface);
  padding: 18px;
  overflow-x: auto;
}

.chart-card__svg svg {
  width: 100%;
  height: auto;
}

.chart-card__details {
  margin-top: 16px;
  background: rgba(65, 118, 144, 0.08);
  border-radius: 14px;
  padding: 12px 16px;
  border: 1px solid rgba(65, 118, 144, 0.22);
}

.chart-card__details summary {
  font-weight: 600;
  color: var(--wise-admin-text);
  cursor: pointer;
}

.chart-card__details-body {
  margin-top: 10px;
  color: var(--wise-admin-text);
  font-size: 14px;
}

@media (max-width: 1024px) {
  .chart-studio__grid {
    grid-template-columns: 1fr;
  }

  .chart-studio__form-card {
    position: static;
  }

  .chart-form__columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .chart-card {
    padding: 20px;
  }

  .chart-card__svg {
    padding: 12px;
  }

  .chart-form__columns {
    grid-template-columns: 1fr;
  }
}