.language-planner {
  --planner-surface: var(--bg-surface);
  --planner-muted: var(--text-muted);
  --planner-line: var(--border-base);
  --planner-control: var(--bg-muted);
  --planner-accent: var(--primary);
  --planner-accent-soft: var(--primary-bg);
  --planner-shadow: var(--shadow-base);
  --planner-success: var(--color-success);
  --planner-warning: var(--color-warning);
  --planner-danger: var(--color-error);

  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(290px, 0.9fr) minmax(400px, 1.1fr);
  padding: clamp(1.25rem, 3vw, 2.25rem);
  background: var(--planner-surface);
  border: 1px solid var(--planner-line);
  border-radius: 1.25rem;
  box-shadow: 0 1rem 2.5rem var(--planner-shadow);
  color: var(--text-base);
}

.planner-editor,
.planner-output {
  min-width: 0;
}

.planner-output {
  padding-left: clamp(1rem, 3vw, 2rem);
  border-left: 1px solid var(--planner-line);
}

.form-intro,
.result-heading,
.form-actions,
.preset-row,
.output-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.form-intro {
  align-items: flex-start;
  margin-bottom: 1.4rem;
}

.eyebrow,
.section-title,
.metric-label,
.allocation-label,
.status-label,
.milestone-hours {
  margin: 0;
  color: var(--planner-accent);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.form-intro h2,
.empty-result h2,
.error-result h2,
.output-heading h2 {
  margin: 0.45rem 0;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.form-note,
.empty-result p,
.error-result p {
  max-width: 27rem;
  margin: 0;
  color: var(--planner-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 0.7rem;
}

.form-grid label {
  display: grid;
  gap: 0.35rem;
  margin: 0.85rem 0 0.4rem;
  font-size: 0.78rem;
  font-weight: 800;
}

.wide-field {
  grid-column: span 2;
}

select,
input {
  width: 100%;
  min-height: 2.85rem;
  box-sizing: border-box;
  padding: 0.7rem;
  border: 1px solid var(--planner-line);
  border-radius: 0.6rem;
  background: var(--planner-control);
  color: var(--text-base);
  font: inherit;
}

select {
  appearance: auto;
}

select:focus-visible,
input:focus-visible,
button:focus-visible {
  outline: 3px solid var(--planner-accent-soft);
  outline-offset: 2px;
}

button {
  cursor: pointer;
  border: 1px solid var(--planner-line);
  border-radius: 999px;
  background: var(--planner-control);
  color: var(--text-base);
  font: inherit;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.55rem 0.75rem;
}

button:hover {
  border-color: var(--planner-accent);
}

.preset-row {
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--planner-line);
}

.preset-row > span {
  color: var(--planner-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.preset-row button,
.text-button {
  border-color: transparent;
  background: var(--planner-accent-soft);
  color: var(--planner-accent);
}

.form-actions {
  justify-content: flex-start;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--planner-line);
}

.primary-button {
  border-color: var(--planner-accent);
  border-radius: 0.6rem;
  background: var(--planner-accent);
  color: var(--text-on-primary, #fff);
  padding: 0.8rem 1.1rem;
}

.text-button {
  padding: 0.45rem 0.7rem;
}

.output-heading {
  align-items: flex-start;
  margin-bottom: 1.4rem;
}

.live-badge {
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  background: var(--planner-accent-soft);
  color: var(--planner-accent);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.empty-result,
.error-result {
  display: flex;
  min-height: 13rem;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
}

.route-mark {
  display: grid;
  width: 3.2rem;
  height: 3.2rem;
  place-items: center;
  border-radius: 50%;
  background: var(--planner-accent);
  color: var(--text-on-primary, #fff);
  font-size: 1.8rem;
}

.error-result {
  min-height: auto;
  padding: 1rem;
  border: 1px solid var(--planner-danger);
  border-left-width: 4px;
  border-radius: 0.75rem;
  background: var(--planner-control);
}

.error-result h2 {
  color: var(--planner-danger);
  font-size: 1.2rem;
}

.plan-result {
  display: grid;
  gap: 1.5rem;
}

.status-banner {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px solid currentcolor;
  border-left-width: 4px;
  border-radius: 0.5rem;
  background: var(--planner-control);
}

.status-banner.on-track {
  color: var(--planner-success);
}

.status-banner.tight {
  color: var(--planner-warning);
}

.status-banner.insufficient {
  color: var(--planner-danger);
}

.status-copy {
  color: var(--text-base);
  line-height: 1.45;
}

.result-heading {
  align-items: flex-end;
}

.result-level {
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  font-weight: 850;
  line-height: 1;
  text-align: right;
}

.metric-grid,
.allocation-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric-card {
  display: grid;
  gap: 0.45rem;
  padding: 0.8rem 0;
  border-top: 3px solid var(--planner-accent);
}

.metric-label,
.allocation-label,
.section-title {
  color: var(--planner-muted);
}

.metric-value {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 850;
}

.metric-detail,
.milestone-date {
  color: var(--planner-muted);
  font-size: 0.72rem;
}

.allocation-section,
.milestones-section {
  display: grid;
  gap: 0.75rem;
}

.allocation-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.75rem 0;
  border-bottom: 3px solid var(--planner-accent);
}

.allocation-time {
  font-size: 1.1rem;
  font-weight: 800;
}

.milestone-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.milestone-list li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--planner-line);
}

.milestone-level {
  font-weight: 800;
}

@media (max-width: 820px) {
  .language-planner {
    grid-template-columns: 1fr;
  }

  .planner-output {
    padding-top: 1.5rem;
    padding-left: 0;
    border-top: 1px solid var(--planner-line);
    border-left: 0;
  }
}

@media (max-width: 700px) {
  .form-intro,
  .result-heading {
    display: grid;
  }

  .form-grid,
  .metric-grid,
  .allocation-grid {
    grid-template-columns: 1fr 1fr;
  }

  .wide-field {
    grid-column: span 2;
  }

  .milestone-list li {
    grid-template-columns: 1fr auto;
  }

  .milestone-hours {
    grid-column: 1 / -1;
  }
}

@media (max-width: 460px) {
  .form-grid,
  .metric-grid,
  .allocation-grid {
    grid-template-columns: 1fr;
  }

  .wide-field {
    grid-column: auto;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .text-button {
    width: 100%;
  }
}