:root{--bg:#f4f5fb;--card:#fff;--text:#1e1b4b;--muted:#6b7280;--pri:#4338ca;--pri2:#6366f1;--soft:#eef2ff;--ok:#16a34a;--bad:#dc2626;--line:#e5e7eb;--warn:#fef3c7}
.dark{--bg:#0f1020;--card:#1a1b2e;--text:#e5e7ff;--muted:#9ca3af;--pri:#818cf8;--pri2:#6366f1;--soft:#25274a;--line:#2e3052;--warn:#3a3218}
*{box-sizing:border-box}body{margin:0;font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--text);padding-bottom:80px;line-height:1.8}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:10px 16px;background:linear-gradient(135deg,#4338ca,#7c3aed);color:#fff;box-shadow:0 2px 10px #0003}
.brand{display:flex;align-items:center;gap:10px;flex:1}.brand img{width:36px;height:36px;border-radius:10px}.brand small{display:block;opacity:.8;font-size:.75em;line-height:1}
#stats{display:flex;gap:8px}.pill{background:#fff2;padding:2px 10px;border-radius:99px;font-size:.9em}
.icon-btn{background:#fff2;color:#fff;border:0;border-radius:10px;width:38px;height:38px;cursor:pointer;font-size:1.1em}
main{max-width:760px;margin:auto;padding:14px}
.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:var(--card);border-top:1px solid var(--line);padding:4px 0 calc(4px + env(safe-area-inset-bottom));z-index:5}
.tabs button{background:none;border:0;color:var(--muted);font-family:inherit;font-size:.75em;display:flex;flex-direction:column;align-items:center;cursor:pointer;padding:4px 8px}.tabs button span{font-size:1.4em}.tabs button.on{color:var(--pri)}
.card{background:var(--card);border-radius:16px;padding:16px;margin:12px 0;box-shadow:0 1px 3px #0001,0 4px 14px #0000000a;border:1px solid var(--line)}
h2,h3{margin:.2em 0}.muted{color:var(--muted);font-size:.9em}
.btn{font-family:inherit;border:0;border-radius:12px;padding:9px 16px;background:var(--soft);color:var(--text);cursor:pointer;margin:3px;font-size:.95em;transition:.15s}.btn:hover{filter:brightness(.95)}
.btn.p{background:var(--pri2);color:#fff}.btn.sm{padding:4px 10px;font-size:.85em}.btn:disabled{opacity:.4}
.en{direction:ltr;text-align:left;unicode-bidi:isolate;font-family:"Segoe UI",Roboto,Arial,sans-serif}span.en{display:inline-block}
.ok{color:var(--ok)}.bad{color:var(--bad)}.big{font-size:1.6em}
input,select,textarea{font-family:inherit;padding:10px;border:1px solid var(--line);border-radius:10px;width:100%;background:var(--bg);color:var(--text);margin:4px 0}
.bar{height:8px;background:var(--line);border-radius:5px;overflow:hidden}.bar>i{display:block;height:100%;background:linear-gradient(90deg,#22c55e,#4ade80)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.lvl-h{display:flex;align-items:center;gap:8px;margin-top:22px}.badge{background:var(--pri2);color:#fff;border-radius:8px;padding:0 10px;font-weight:bold}
.node{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:12px;cursor:pointer;text-align:center;transition:.15s}.node:hover{border-color:var(--pri2);transform:translateY(-2px)}
.node .ic{font-size:2em}.node.done{border-color:var(--ok)}.node.rec{box-shadow:0 0 0 3px #6366f155}
.seg{display:flex;flex-wrap:wrap;gap:4px;background:var(--soft);padding:4px;border-radius:12px;margin:8px 0}.seg button{flex:1;min-width:max-content;border:0;background:none;padding:6px 8px;border-radius:9px;font-family:inherit;color:var(--text);cursor:pointer;font-size:.85em}.seg button.on{background:var(--card);box-shadow:0 1px 3px #0002;font-weight:bold}
.bubble{max-width:88%;padding:10px 14px;border-radius:16px;margin:8px 0;background:var(--soft)}.bubble.me{margin-right:auto;margin-left:0;background:#4f46e522;border-bottom-left-radius:4px}.bubble.them{border-bottom-right-radius:4px}
.bubble .fa{color:var(--muted);font-size:.88em}.who{font-size:.75em;color:var(--muted)}
.chunk{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 0;border-bottom:1px dashed var(--line)}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}.cmp div{padding:8px;border-radius:10px}.book{background:#fee2e2aa}.dark .book{background:#4c1d1d}.casual{background:#dcfce7aa}.dark .casual{background:#14361f}
.tip{background:var(--warn);border-radius:12px;padding:10px;margin:6px 0}
.chip{display:inline-block;background:var(--warn);padding:6px 12px;border-radius:10px;margin:3px;cursor:pointer}
.stat{text-align:center}.stat b{display:block;font-size:1.6em;color:var(--pri)}
.hidden{display:none}
/* v3 additions */
body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
.top{padding-top:calc(10px + env(safe-area-inset-top));padding-left:calc(16px + env(safe-area-inset-left));padding-right:calc(16px + env(safe-area-inset-right))}
.skip{position:absolute;right:-999px}.skip:focus{right:8px;top:8px;z-index:99;background:#fff;color:#000;padding:8px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:3px solid #f59e0b;outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.banner{background:#f59e0b;color:#111;padding:8px 16px;text-align:center}.banner button{margin-inline-start:8px}
.modal{position:fixed;inset:0;background:#0008;z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}.modal-box{background:var(--card);color:var(--text);border-radius:18px;padding:20px;max-width:440px;width:100%;max-height:85vh;overflow:auto}
.day{display:flex;gap:10px;align-items:center;padding:10px;border-radius:12px;border:2px solid var(--line);margin:6px 0;cursor:pointer;background:var(--card)}.day.today{border-color:var(--pri2)}.day.done{border-color:var(--ok)}.day .n{min-width:44px;height:44px;border-radius:12px;background:var(--soft);display:flex;align-items:center;justify-content:center;font-weight:bold}
.task{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line)}.task .ck{font-size:1.3em}.task div{flex:1}
.voice-dot{display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--muted);vertical-align:middle}.voice-dot.listen{background:#dc2626;animation:pulse 1s infinite}.voice-dot.think{background:#f59e0b}.voice-dot.speak{background:#16a34a}
@keyframes pulse{50%{opacity:.3}}
.modes{display:flex;flex-wrap:wrap;gap:6px}.modes button{flex:1 1 30%}
.summary li{margin:4px 0}
.row{display:flex;gap:6px;align-items:center}.row input{flex:1}
.loading{text-align:center;color:var(--muted)}
.modal.hidden,.hidden{display:none!important}
/* v4: recording bar + level meter */
.recbar{position:fixed;inset-inline:12px;bottom:calc(76px + env(safe-area-inset-bottom));z-index:60;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:14px;background:var(--card,#fff);box-shadow:0 6px 24px rgba(0,0,0,.18);border:1px solid rgba(220,38,38,.35)}
.recdot{width:12px;height:12px;border-radius:50%;background:#dc2626;animation:recp 1s infinite}
@keyframes recp{50%{opacity:.3}}
.meter{flex:1;height:10px;border-radius:6px;background:rgba(127,127,127,.2);overflow:hidden;direction:ltr}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#16a34a,#84cc16,#eab308);transition:width .06s}
.meter.big{height:18px;margin:10px 0}
@media (prefers-reduced-motion:reduce){.recdot{animation:none}.meter i{transition:none}}
.recbar.hidden{display:none!important}

.pill.net{font-size:.8em;white-space:nowrap}.pill.net.on{background:#16a34a33}.pill.net.half{background:#eab30840}.pill.net.off{background:#64748b55}
.chain{list-style:none;padding:0;margin:6px 0}.chain li{display:flex;align-items:center;gap:6px;padding:4px 0;border-bottom:1px solid #8882}.chain li b{flex:1}
details.prov{border:1px solid #8884;border-radius:10px;padding:6px 10px;margin:6px 0}details.prov summary{cursor:pointer;font-weight:600}