.pr-stage [hidden],.pr-list [hidden],.pr-ic [hidden],.pr-result-stack[hidden]{display:none!important}
.pr-result-stack{display:flex;flex-direction:column;gap:12px}

/* Practice hub */
.pr-today{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:baseline;padding:2px 2px 4px}
.pr-today strong{font-size:13px}.pr-today span{font-size:12px;color:var(--muted)}
.pr-list{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.pr-row{display:grid;grid-template-columns:40px 1fr auto;gap:14px;align-items:center;width:100%;padding:16px 18px;border:0;border-top:1px solid var(--line);background:none;color:var(--ink);font:inherit;text-align:left;cursor:pointer}
.pr-row:first-child{border-top:0}.pr-row:hover{background:var(--chat)}
.pr-glyph{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent)}
.pr-glyph.grammar{background:var(--red-soft);color:var(--red)}
.pr-glyph.voice{background:var(--green-soft);color:var(--green-ink)}
.pr-glyph svg{width:20px;height:20px}
.pr-row h2{font-size:15px;margin:0 0 3px}.pr-row p{font-size:12.5px;color:var(--muted);margin:0;line-height:1.55}
.pr-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;font-size:11px;color:var(--muted);white-space:nowrap}
.pr-due{background:var(--accent-soft);color:var(--accent);font-weight:700;border-radius:999px;padding:3px 8px}
.pr-row[aria-disabled="true"]{cursor:default}.pr-row[aria-disabled="true"] h2,.pr-row[aria-disabled="true"] .pr-glyph{opacity:.45}
.pr-section-lab{font-size:11px;letter-spacing:.06em;color:var(--muted);font-weight:700;margin:10px 2px 0}
.pr-recent{display:flex;gap:8px;flex-wrap:wrap}

/* Game stage (shared by vocabulary + grammar) */
.pr-stage{width:100%;max-width:560px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.pr-bar{display:flex;align-items:center;gap:12px}
.pr-quit{border:0;background:none;color:var(--muted);font:inherit;font-size:13px;cursor:pointer;padding:8px 4px}
.pr-progress{flex:1;display:flex;gap:4px}
.pr-progress i{flex:1;height:5px;border-radius:999px;background:var(--line)}
.pr-progress i.ok{background:var(--green)}.pr-progress i.ng{background:var(--red)}.pr-progress i.now{background:var(--accent)}
.pr-combo{font-size:12px;font-weight:750;color:var(--accent);min-width:56px;text-align:right;font-variant-numeric:tabular-nums}
.pr-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px 22px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.pr-kind{font-size:11px;letter-spacing:.06em;color:var(--muted);font-weight:700;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pr-source{font-size:10.5px;letter-spacing:0;border-radius:999px;padding:3px 8px;background:var(--red-soft);color:var(--red);font-weight:700}
.pr-prompt{font-size:24px;line-height:1.45;margin:0;font-weight:650;overflow-wrap:anywhere}
.pr-prompt.en{font-size:21px;font-weight:550}
.pr-blank{display:inline-block;min-width:4.5em;border-bottom:2px solid var(--accent);margin:0 .15em}
.pr-sub{font-size:13px;color:var(--muted);margin:0}
.pr-listen{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:999px;padding:9px 14px;font:inherit;font-size:13px;cursor:pointer}
.pr-listen svg{width:16px;height:16px;color:var(--accent)}
.pr-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pr-options.sentences{grid-template-columns:1fr}
.pr-option{display:flex;gap:12px;align-items:center;min-height:56px;border:1.5px solid var(--line);background:var(--panel);color:var(--ink);border-radius:14px;padding:12px 14px;font:inherit;font-size:15px;text-align:left;cursor:pointer;overflow-wrap:anywhere}
.pr-option:hover{border-color:var(--accent)}
.pr-key{flex:none;width:22px;height:22px;border-radius:6px;border:1px solid var(--line);display:grid;place-items:center;font-size:11px;color:var(--muted);font-weight:700}
.pr-option.correct{border-color:var(--green);background:var(--green-soft);color:var(--green-ink)}
.pr-option.wrong{border-color:var(--red);background:var(--red-soft);color:var(--red)}
.pr-option.dim{opacity:.5}
.pr-option:disabled{cursor:default}
.pr-feedback{display:flex;flex-direction:column;gap:8px;border-radius:14px;padding:14px 16px;font-size:13px;line-height:1.65}
.pr-feedback.ok{background:var(--green-soft);color:var(--green-ink)}
.pr-feedback.ng{background:var(--red-soft);color:var(--ink)}
.pr-feedback b{font-size:14px}
.pr-example{font-size:14px;color:var(--ink)}
.pr-actions{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.pr-next{min-width:140px;min-height:44px;background:var(--accent)}
.pr-hint-keys{font-size:11px;color:var(--muted)}

/* Pair match */
.pr-pairs{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pr-pairs .col{display:flex;flex-direction:column;gap:10px}
.pr-tile{min-height:52px;border:1.5px solid var(--line);background:var(--panel);color:var(--ink);border-radius:13px;padding:10px 12px;font:inherit;font-size:15px;cursor:pointer;text-align:center;overflow-wrap:anywhere}
.pr-tile[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.pr-tile.matched{border-color:transparent;background:var(--green-soft);color:var(--green-ink);cursor:default}
.pr-tile.miss{animation:shake .3s}
@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.pr-timer{font-variant-numeric:tabular-nums;font-size:12px;color:var(--muted)}

/* Word-order tiles (grammar) */
.pr-answer{min-height:58px;display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start;padding:10px;border:1.5px dashed var(--line);border-radius:14px;background:var(--chat)}
.pr-bank{display:flex;flex-wrap:wrap;gap:8px}
.pr-word{border:1.5px solid var(--line);background:var(--panel);color:var(--ink);border-radius:10px;padding:9px 12px;font:inherit;font-size:15px;cursor:pointer;min-height:44px}
.pr-word.used{visibility:hidden}

/* Results */
.pr-result-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.pr-score{font-size:40px;font-weight:760;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.pr-score small{font-size:16px;color:var(--muted);font-weight:600;letter-spacing:0}
.pr-items{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.pr-item{display:grid;grid-template-columns:22px 1fr auto;gap:10px;align-items:center;padding:11px 2px;border-bottom:1px solid var(--line);font-size:13.5px}
.pr-mark{font-weight:800;text-align:center}.pr-item.ok .pr-mark{color:var(--green-ink)}.pr-item.ng .pr-mark{color:var(--red)}
.pr-item small{color:var(--muted);font-size:11.5px;display:block}
.pr-honest{font-size:12px;color:var(--muted);line-height:1.7;margin:0}

/* Shadowing */
.pr-target{font-size:24px;line-height:1.55;font-weight:550;margin:0;overflow-wrap:anywhere}
.pr-target .w{border-radius:4px;padding:0 1px}
.pr-target .w.hit{box-shadow:inset 0 -2px 0 var(--green)}
.pr-target .w.miss{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--red);text-decoration-thickness:2px}
.pr-gloss{font-size:13px;color:var(--muted);margin:0}
.pr-speed{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.pr-speed button{border:0;background:var(--panel);color:var(--muted);font:inherit;font-size:12px;padding:8px 12px;cursor:pointer;min-height:36px}
.pr-speed button[aria-pressed="true"]{background:var(--accent-soft);color:var(--accent);font-weight:700}
.pr-modes{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pr-modes button{border:0;background:var(--panel);color:var(--ink);font:inherit;font-size:13px;padding:10px 8px;cursor:pointer;display:flex;flex-direction:column;gap:2px;min-height:52px}
.pr-modes button+button{border-left:1px solid var(--line)}
.pr-modes button small{font-size:11px;color:var(--muted)}
.pr-modes button[aria-pressed="true"]{background:var(--accent-soft);color:var(--accent);font-weight:700}
.pr-rec-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;padding:8px 0 4px}
.pr-rec{width:76px;height:76px;border-radius:50%;border:0;background:var(--accent);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 6px 20px color-mix(in srgb,var(--accent) 35%,transparent)}
.pr-rec svg{width:30px;height:30px}
.pr-rec[aria-pressed="true"]{background:var(--red);animation:pulse-ring 1.4s infinite}
@keyframes pulse-ring{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--red) 45%,transparent)}100%{box-shadow:0 0 0 16px transparent}}
.pr-rec-lab{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.pr-level{display:flex;gap:3px;align-items:center;height:22px}
.pr-level i{width:4px;border-radius:2px;background:var(--red);opacity:.75;animation:lvl 0.9s ease-in-out infinite alternate}
@keyframes lvl{from{height:4px}to{height:20px}}
.pr-heard{background:var(--chat);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.pr-heard small{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.04em}
.pr-heard p{margin:0;font-size:15px}
.pr-ab{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pr-ab button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:12px;font:inherit;font-size:13px;cursor:pointer}
.pr-ab button svg{width:14px;height:14px}
.pr-ab .model svg{color:var(--accent)}.pr-ab .mine svg{color:var(--green-ink)}
.pr-attempts{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--muted)}
.pr-attempt{border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--panel);font-variant-numeric:tabular-nums}
.pr-attempt.best{border-color:var(--green);color:var(--green-ink);font-weight:700}
.pr-queue{display:flex;gap:6px;align-items:center;font-size:12px;color:var(--muted)}
.pr-queue i{width:8px;height:8px;border-radius:50%;background:var(--line)}.pr-queue i.done{background:var(--green)}.pr-queue i.now{background:var(--accent)}

/* Entry-point affordances added to existing surfaces */
.pr-inline{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:999px;padding:6px 11px;font:inherit;font-size:12px;cursor:pointer;min-height:32px}
.pr-inline svg{width:13px;height:13px;color:var(--accent)}
.npc-tools{display:flex;gap:6px;margin-top:4px}

/* Inline practice cards inside the tutor thread (block kind "practice_inline") */
.pr-ic{align-self:flex-start;width:min(460px,76%);background:var(--panel);border:1px solid var(--line);border-radius:16px 16px 16px 5px;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.pr-ic-head{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--accent)}
.pr-ic-head svg{width:14px;height:14px}
.pr-ic.say .pr-ic-head{color:var(--green-ink)}
.pr-ic-head .pr-ic-count{margin-left:auto;color:var(--muted);font-weight:600;letter-spacing:0}
.pr-ic-label{font-size:14px;margin:0}
.pr-ic .pr-prompt{font-size:17px}.pr-ic .pr-prompt.en{font-size:17px}
.pr-ic .pr-options{gap:8px}
.pr-ic .pr-option{min-height:44px;font-size:14px;padding:9px 12px;border-radius:12px}
.pr-ic .pr-feedback{padding:10px 12px;font-size:12.5px}
.pr-ic .pr-target{font-size:19px}
.pr-ic-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.pr-ic .pr-rec{width:48px;height:48px;box-shadow:none}.pr-ic .pr-rec svg{width:20px;height:20px}
.pr-ic-sum{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:8px}
.pr-ic-sum .pr-item{padding:6px 0;border:0;font-size:13px}
.pr-ic-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.pr-ic-foot .word-link{font-size:12.5px}
@media(max-width:820px){.pr-ic{width:92%}}
@media(max-width:480px){.pr-ic{width:100%}}

@media(max-width:600px){
  .pr-options{grid-template-columns:1fr}
  .pr-prompt{font-size:21px}.pr-target{font-size:21px}
  .pr-card{padding:18px 16px 20px}
  .pr-hint-keys{display:none}
  .pr-row{grid-template-columns:36px 1fr auto;gap:12px;padding:14px}
  .pr-glyph{width:36px;height:36px}
}
@media(pointer:coarse){.pr-inline{min-height:44px}.pr-speed button{min-height:44px}}
@media(prefers-reduced-motion:reduce){.pr-rec[aria-pressed="true"],.pr-level i,.pr-tile.miss{animation:none}}


.word-nav[aria-current="page"]{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}
.pr-stage button:focus-visible,.pr-list button:focus-visible,.pr-ic button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.pr-stage,.pr-ic{min-width:0;box-sizing:border-box}.pr-option>span:last-child{min-width:0}.pr-level i{animation:none}

@media(max-width:420px){.topbar .avatar{display:none}.topbar{gap:4px;padding-inline:8px}.topbar .brand{font-size:clamp(12px,4vw,16px)}.topbar .icon-button{width:40px;min-width:40px}}
@media(max-width:360px){.topbar{gap:3px}}

.pr-hub{display:flex;flex-direction:column;gap:14px;width:100%;min-width:0}.pr-hub [hidden]{display:none!important}

.word-headword-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.word-headword-row h3{margin:0}
.npc-tools .npc-play{display:inline-block;margin:0}.npc-tools{align-items:center;justify-content:flex-end}
.practice-view .layout{grid-template-columns:minmax(0,1fr)}.practice-view .rail{display:none}
.pr-listen.playing{border-color:var(--accent);color:var(--accent)}
.pr-why{display:block;font-size:12px;opacity:.85}.pr-new{display:inline-block;font-size:10.5px;font-weight:700;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 7px;margin-right:6px}
.pr-item-tools{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}