.hero-lite { padding: 64px 0 34px; }
.hero-lite .lede { margin-top: 16px; }
.practice-personalize { margin-bottom: 22px; padding: 0; overflow: hidden; }
.personalize-saved {
  display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 24px 26px;
}
.personalize-saved[hidden], .personalize-wizard[hidden] { display: none; }
.personalize-saved h3 { margin: 4px 0 7px; font-size: 22px; }
.personalize-saved p { color: var(--ink-soft); margin: 0; }
.personalize-saved .btn { flex: 0 0 auto; }
.personalize-status {
  display: inline-block; color: #236a4b; background: #e9f7f0; border-radius: 999px;
  padding: 4px 9px; font-size: 11px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
}
.personalize-wizard { padding: 28px 30px 24px; }
.personalize-progress-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.personalize-progress-row > span:last-child { color: var(--ink-faint); font-size: 12px; }
.personalize-progress { height: 5px; margin: 10px 0 28px; overflow: hidden; border-radius: 999px; background: var(--line); }
.personalize-progress i { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .25s ease; }
#personalize-form fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
#personalize-form legend { padding: 0; color: var(--ink); font-size: clamp(23px, 3vw, 31px); font-weight: 700; line-height: 1.15; }
.personalize-hint { margin: 8px 0 20px; color: var(--ink-faint); font-size: 14px; }
.personalize-choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.personalize-choices.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.personalize-choice {
  position: relative; display: block; min-width: 0; padding: 14px 42px 14px 15px;
  border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.personalize-choice:hover { border-color: var(--accent); }
.personalize-choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }
.personalize-choice:has(input:checked)::after {
  content: "✓"; position: absolute; right: 15px; top: 13px; color: var(--accent); font-weight: 800;
}
.personalize-choice:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.personalize-choice input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.personalize-choice span { display: grid; gap: 3px; }
.personalize-choice b { font-size: 14.5px; }
.personalize-choice small { color: var(--ink-faint); font-size: 12.5px; line-height: 1.35; }
.personalize-write { display: grid; gap: 7px; }
.personalize-subhead { display: block; margin: 20px 0 9px; }
.personalize-write + .personalize-write { margin-top: 14px; }
.personalize-actions { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 24px; }
.personalize-actions .btn { min-width: 150px; }
.personalize-skip { display: block; margin: 16px auto 0; border: 0; color: var(--ink-faint); background: none; font: inherit; font-size: 13px; cursor: pointer; }
.personalize-skip:hover { color: var(--accent); }
.personalize-privacy { margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: 12px; text-align: center; }
@supports not selector(:has(*)) {
  .personalize-choice { padding-left: 42px; }
  .personalize-choice input { inset: auto; top: 16px; left: 15px; width: 16px; height: 16px; opacity: 1; }
}
.practice-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 22px; padding-bottom: 72px; align-items: start; }
.practice-grid aside { display: grid; gap: 18px; }
.key-card, .practice-problem-card, .practice-board-card { padding: 24px; }
.key-card .btn { margin: 12px 0 8px; }
.practice-problem-card textarea { margin-bottom: 14px; }
.practice-board-card { min-width: 0; }
.practice-problem-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.practice-problem-row .image-drop { flex: 1 1 260px; }
.practice-image-preview { display: flex; align-items: center; gap: 8px; padding: 0; }
.practice-image-preview[hidden] { display: none; }
.practice-image-preview img { width: 56px; height: 42px; object-fit: cover; border-radius: 6px; }
.practice-canvas-stage {
  position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 12px;
  background-color: #fff; background-image: radial-gradient(circle, #d7dce2 1.2px, transparent 1.2px);
  background-size: 22px 22px;
}
.practice-canvas-stage > img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; pointer-events: none;
}
.practice-canvas-stage .whiteboard { position: relative; z-index: 2; border: 0; border-radius: 0; background: transparent; }
.margin-is-drawing {
  position: absolute; right: 12px; top: 12px; z-index: 3; padding: 6px 10px; border-radius: 999px;
  color: #6246a8; background: #f2edff; box-shadow: var(--shadow-sm); font-size: 12px; font-weight: 700;
}
.practice-question-label { display: grid; gap: 6px; }

@media (max-width: 800px) {
  .practice-grid { grid-template-columns: 1fr; }
  .personalize-choices.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .practice-grid { padding-bottom: 40px; }
}

@media (max-width: 600px) {
  .hero-lite { padding-top: 38px; }
  .personalize-saved { align-items: stretch; flex-direction: column; gap: 18px; padding: 22px 20px; }
  .personalize-saved .btn { width: 100%; }
  .personalize-wizard { padding: 22px 20px 20px; }
  .personalize-choices, .personalize-choices.compact { grid-template-columns: 1fr; }
  .personalize-actions .btn { min-width: 0; flex: 1; }
}