/* Quiet practice controls, with learning context beside the exercise. */
.verb-cue{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;font-size:.65em;vertical-align:middle}
.verb-cue-text{display:inline-block;min-width:3.5em;letter-spacing:.02em;color:var(--ink)}
.verb-cue-text.is-blurred{filter:blur(3px);opacity:.65;user-select:none}
.verb-hint{border:1px solid var(--line);background:var(--light);color:#5f497f;border-radius:8px;padding:8px 12px;min-height:44px;font:500 12px/1.3 'DM Sans','Trebuchet MS',sans-serif}
.verb-hint:hover{background:#e8def7}
.verb-hint:focus-visible{outline:2px solid var(--purple);outline-offset:3px}
html[data-theme="dark"] .verb-hint{color:#e2d2f9;background:#383047;border-color:#655476}
html[data-theme="dark"] .verb-hint:hover{background:#493b60}
.inline-rule .sentence-translation{margin:12px 0;font-family:'DM Sans','Trebuchet MS',sans-serif;font-size:13px;line-height:1.7}
.practice-toggle{display:inline-flex;align-items:center;gap:2px;padding:4px;border:1px solid rgba(112,84,160,.18);border-radius:999px;background:rgba(239,236,247,.76);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);box-shadow:inset 0 1px 0 rgba(255,255,255,.65)}
.practice-toggle button{min-width:68px;min-height:36px;padding:7px 12px;border:0;border-radius:999px;background:transparent;color:#615775;font:500 12px/1.3 'DM Sans','Trebuchet MS',sans-serif;white-space:nowrap;transition:background .18s ease-out,color .18s ease-out}
.practice-toggle button:hover{background:rgba(255,255,255,.5);color:#44325f}
.practice-toggle button[aria-pressed="true"]{background:rgba(255,255,255,.92);color:#533b85;font-weight:650;box-shadow:0 2px 5px rgba(57,38,91,.08)}
.practice-toggle button:focus-visible{outline:2px solid var(--purple);outline-offset:2px}
.card-footer.adaptive-card-footer{gap:12px;padding:12px 20px}
.card-footer>.practice-toggle{gap:2px}
.practice-dock{display:flex;justify-content:center;margin-top:20px}
.learning-picture{padding:24px 2px 0;margin-top:24px;border-top:1px solid var(--line);color:var(--ink);font-size:12px;line-height:1.7}
.learning-picture h2{font-size:13px;font-weight:600;margin:0 0 16px}
.current-practice-level{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:18px;font-variant-numeric:tabular-nums}
.current-practice-level strong{font-size:24px;font-weight:550;line-height:1.2;letter-spacing:-.02em}
.current-practice-level span{color:#716780;font-size:11px}
.learning-meter{position:relative;height:7px;margin:0 8px;border-radius:999px;background:linear-gradient(90deg,#bfdac8 0 25%,#e7dfa8 25% 50%,#e8c69f 50% 75%,#e4ae9a 75% 100%)}
.learning-meter-fill{position:absolute;inset:0 auto 0 0;border-radius:inherit;background:linear-gradient(90deg,#579d7b,#bf805e)}
.learning-meter-thumb{position:absolute;top:50%;width:15px;height:15px;border:3px solid var(--paper);border-radius:50%;background:#7054a5;box-shadow:0 2px 5px rgba(48,29,70,.2);transform:translate(-50%,-50%);z-index:1}
.learning-meter.unassessed .learning-meter-thumb{background:#8d8499}
.learning-scale{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;margin-top:8px;font-size:11px;font-weight:600;color:#716780}
.learning-estimate{margin-top:12px;font-size:12px;line-height:1.7}
.learning-estimate summary{cursor:pointer;color:#675582;padding:8px 0;min-height:40px}
.learning-estimate summary:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:4px}
.learning-estimate p{margin:12px 0;color:#716780}
.learning-levels{display:grid;gap:12px;margin-top:8px;font-variant-numeric:tabular-nums}
.learning-levels span{display:block;font-size:11px;color:#716780}
.learning-levels strong{font-size:12px;font-weight:600}
.learning-estimate ul{list-style:none;padding:0;margin:12px 0 0}
.learning-estimate li{display:flex;flex-direction:column;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--line)}
.learning-estimate li button{text-align:left;min-height:32px;font-size:12px}
.learning-estimate small{font-size:11px;color:#716780}
html[data-theme="dark"] .practice-toggle{background:rgba(56,52,76,.62);border-color:rgba(202,187,228,.2);box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}
html[data-theme="dark"] .practice-toggle button{color:#c0b6d1}
html[data-theme="dark"] .practice-toggle button:hover{background:rgba(219,201,248,.08);color:#eee4ff}
html[data-theme="dark"] .practice-toggle button[aria-pressed="true"]{color:#f1e9ff;background:rgba(209,188,244,.17);box-shadow:0 2px 5px rgba(10,8,20,.15)}
html[data-theme="dark"] :is(.current-practice-level span,.learning-scale,.learning-estimate p,.learning-levels span,.learning-estimate small){color:#bcb0cd}
html[data-theme="dark"] .learning-estimate summary{color:#c5ade8}
html[data-theme="dark"] .learning-meter{background:linear-gradient(90deg,#314b41 0%,#314b41 49.5%,#555036 50%,#555036 100%)}
html[data-theme="dark"] .learning-meter-thumb{background:#c7abf3}
@media(max-width:1000px){
  .adaptive-layout .right-rail{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:650px;margin:28px auto 0;padding-top:24px;border-top:1px solid var(--line)}
  .adaptive-layout .right-rail>:is(.rule-rail,.tip-note){display:none}
  .adaptive-layout .learning-picture{margin:0;padding:0;border:0}
}
@media(max-width:560px){
  .card-footer.adaptive-card-footer{padding:10px 12px;gap:8px}
  .practice-toggle button{min-width:0;min-height:44px;padding:8px 10px;font-size:11px}
  .adaptive-card-footer .round-button{width:32px;height:44px;border-radius:16px}
  .adaptive-layout .right-rail{grid-template-columns:1fr;gap:24px}
  .adaptive-layout .learning-picture{padding:0 4px}
  .learning-estimate li button{min-height:44px}
}
@media(max-width:380px){
  .practice-toggle button{min-width:44px;padding-inline:6px;font-size:10px}
}

.grammar-level-filter{display:flex;flex-wrap:wrap;gap:6px;margin:20px 0 24px}
.grammar-level-filter button{min-height:44px;min-width:44px;padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);font:inherit;font-size:13px;cursor:pointer}
.grammar-level-filter button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.grammar-level-filter button:focus-visible{outline:2px solid var(--purple);outline-offset:3px}

.topic-guidance{display:flex;align-items:center;flex-wrap:wrap;gap:4px 10px;color:var(--page-muted);font-size:13px;line-height:1.7;margin:12px 0 18px}
.topic-guidance .text-button{min-height:44px;text-align:left}
.topic-guidance small{font-size:12px}
.topic-grade-status{color:var(--page-muted);font-size:12px;line-height:1.5}
.topic-grade{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:auto;color:var(--page-muted);font-size:12px;font-variant-numeric:tabular-nums}
.topic-grade strong{font-size:17px;font-weight:600;color:var(--ink);text-align:right}
.topic-card .topic-progress{margin:10px 0 8px}
.topic-card .topic-card-bottom{margin-top:0}
@media(max-width:560px){.topic-guidance{align-items:flex-start;flex-direction:column;gap:0}.topic-guidance .text-button{padding-inline:0}.topic-grade strong{font-size:16px}}