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16px}.modes{display:flex;flex-direction:column;gap:10px;margin:16px 0}.mode{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:14px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;cursor:pointer;text-align:left;color:var(--ink);transition:border-color .2s,background .2s,box-shadow .2s}.mode:hover{border-color:var(--gold-2)}.mode--active{border-color:var(--navy);background:var(--cream-2);box-shadow:0 0 0 3px var(--gold-soft)}.mode__icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--sand-2);color:var(--navy)}.mode--active .mode__icon{background:var(--navy);color:var(--gold-2)}.mode__body{display:flex;flex-direction:column;gap:2px;min-width:0}.info__tips{display:flex;flex-wrap:wrap;gap:8px 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.lead{max-width:60ch}.plan__cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.plan__card{display:grid;gap:8px;align-content:start}.plan__card-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-md)}.plan__card-icon--navy{background:var(--navy);color:#fff}.plan__card-icon--gold{background:var(--gold-soft);color:var(--brown)}.plan__card-icon--success{background:var(--success-soft);color:var(--success)}.plan__card-value{font-size:30px;line-height:1.1;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}.plan__card-of{font-size:15px;font-weight:600;color:var(--muted)}.plan__card-bar{margin-top:4px}.plan__list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}.plan__item{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--cream-2)}.plan__item-title{font-weight:700;color:var(--navy);text-decoration:none}.plan__item-title:hover{text-decoration:underline}.plan__item-body{display:grid;gap:2px;min-width:0}.plan__item-meta{display:flex;flex-wrap:wrap;gap:6px}.plan__empty,.plan__note{margin-top:14px}.chat{display:flex;flex-direction:column;height:100%;min-height:0}.chat__list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:4px 2px}.chat__empty{font-size:13px;color:var(--muted)}.bubble{align-self:flex-start;max-width:92%;padding:10px 12px;border-radius:14px 14px 14px 4px;background:var(--cream);display:flex;flex-direction:column;gap:3px}.bubble--me{align-self:flex-end;border-radius:14px 14px 4px;background:var(--navy);color:#fff;align-items:flex-end}.bubble__sender{font-size:11px;font-weight:800;opacity:.7;text-transform:uppercase;letter-spacing:.06em}.bubble__text{font-size:14px;white-space:pre-wrap;word-break:break-word}.bubble--typing .bubble__text:after{content:"";display:inline-block;width:2px;height:1em;margin-left:2px;background:currentColor;vertical-align:-2px;animation:blink .9s steps(1) infinite}.chat__form{display:flex;gap:8px;margin-top:10px}.chat__input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:10px 16px;background:#fff;color:var(--ink);outline:none}.chat__input:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}.goal{display:flex;flex-direction:column;gap:18px}.goal__head{display:flex;flex-direction:column;gap:8px}.goal__objective{font-size:15px;font-weight:700;line-height:1.4}.goal__now{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 14px;border-radius:var(--r-md);background:var(--navy);color:#fff;font-size:14px}.goal__now-label{font-size:12px;color:var(--gold-2);font-weight:700;text-transform:uppercase;letter-spacing:.08em}.goal__vocab-title{display:block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:8px}.vocab{list-style:none;margin:0;padding:0 2px 0 0;display:flex;flex-direction:column;gap:6px;max-height:320px;overflow-y:auto;scrollbar-width:thin}.vocab__item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-sm);border:1px solid transparent;transition:background .2s,border-color .2s}.vocab__item--active{background:var(--gold-soft);border-color:var(--gold-2)}.vocab__icon{color:var(--line);flex-shrink:0}.vocab__icon--success{color:var(--success)}.vocab__icon--gold{color:var(--gold)}.vocab__icon--warn{color:var(--warn)}.vocab__term{flex:1;min-width:0;display:flex;flex-direction:column;font-size:14px}.vocab__meaning{font-size:12px;color:var(--muted)}.goal__result{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:var(--r-md);background:var(--success-soft)}.goal__score{font-size:34px;font-weight:800;color:var(--success);line-height:1}.goal__quiz{padding:12px 14px;border-radius:var(--r-md);background:var(--cream-2);border:1px solid var(--line)}.goal__quiz-count{margin:6px 0 0;font-size:20px;color:var(--navy);font-variant-numeric:tabular-nums}.goal__quiz-score{margin:6px 0 0;color:var(--success);font-weight:700}.board{width:min(100%,640px);display:grid;gap:14px;padding:22px 24px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-md);animation:board-in .25s ease-out}@keyframes board-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.board__title{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.board__text{margin:0;font-size:clamp(22px,3.4vw,30px);font-weight:800;line-height:1.25;color:var(--navy)}.board__translation{margin:6px 0 0;color:var(--muted);font-size:15px}.board__chunks{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.board__chunk{padding:10px 18px;border-radius:var(--r-md);background:var(--sand-2);color:var(--navy);font-size:clamp(20px,3vw,28px);font-weight:800;letter-spacing:.02em}.board__chunk--stress{background:var(--navy);color:#fff}.board__ipa{display:inline-flex;align-items:center;gap:8px;margin:0;color:var(--brown);font-weight:700;font-size:16px}.board__list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.board__list li{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;padding:10px 14px;border-radius:var(--r-sm);background:var(--cream-2);border:1px solid var(--line)}.board__list strong{font-size:17px;color:var(--navy)}.board__list span{color:var(--muted);font-size:14px}.board__figure{margin:0;display:grid;gap:8px}.board__figure img{width:100%;max-height:300px;object-fit:cover;border-radius:var(--r-md)}.board__figure figcaption{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}.board__activity{display:grid;gap:14px}.board__prompt{margin:0;font-size:17px;font-weight:700;color:var(--navy)}.board__blank{margin:0;font-size:clamp(19px,2.8vw,25px);font-weight:700;color:var(--navy);line-height:1.5}.board__gap{display:inline-block;min-width:110px;padding:0 10px;border-bottom:3px solid var(--gold);text-align:center;color:var(--brown)}.board__options{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.board__option{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-radius:var(--r-md);border:2px solid var(--line);background:var(--cream-2);color:var(--navy);font-size:16px;font-weight:700;text-align:left;cursor:pointer;transition:border-color .15s,background .15s,transform .1s}.board__option:hover:not(:disabled){border-color:var(--gold);background:var(--gold-soft)}.board__option:active:not(:disabled){transform:translateY(1px)}.board__option:disabled{cursor:default}.board__option--right{border-color:var(--success);background:var(--success-soft);color:var(--success)}.board__option--wrong{border-color:var(--danger);background:var(--danger-soft);color:var(--danger)}.board__option--chosen:not(.board__option--right):not(.board__option--wrong){border-color:var(--navy)}.board__explain,.board__note{margin:0;font-size:14px;color:var(--muted)}.board__explain{padding:10px 14px;border-radius:var(--r-sm);background:var(--cream-2)}.call{height:100vh;height:100dvh;display:grid;grid-template-columns:1fr 0;background:var(--cream);overflow:hidden;transition:grid-template-columns .3s ease}.call--panel{grid-template-columns:1fr 380px}.call__stage{position:relative;display:flex;flex-direction:column;margin:12px;border-radius:var(--r-xl);background:radial-gradient(120% 100% at 50% 0%,#2e3e6b 0%,var(--navy) 55%,#141c33 100%);color:#fff;overflow:hidden;min-width:0}.call__top{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 24px}.call__lesson{display:flex;flex-direction:column;gap:2px}.call__lesson .eyebrow{color:var(--gold-2)}.call__status{padding:6px 12px;border-radius:999px;background:#ffffff1a;font-size:12px;font-weight:700}.call__status--connected{background:#2f8f5b59}.call__status--error{background:#c8443f66}.call__center{flex:1;display:grid;place-items:center;padding:16px}.call__loading{display:flex;flex-direction:column;align-items:center;gap:16px;font-size:14px;opacity:.9}.call__teacher{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px}.call__avatar{position:relative;width:168px;height:168px;padding:6px;border-radius:50%;background:#ffffff14;border:3px solid rgba(255,255,255,.25);margin-bottom:14px;transition:border-color .3s}.call__avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}.call__avatar--speaking{border-color:var(--gold)}.call__avatar--listening{border-color:#7fd1a0}.call__avatar--speaking:before,.call__avatar--speaking:after{content:"";position:absolute;inset:-8px;border-radius:50%;border:2px solid rgba(201,162,74,.7);animation:pulse 1.6s ease-out infinite}.call__avatar--speaking:after{animation-delay:.8s}@keyframes pulse{0%{transform:scale(1);opacity:1}to{transform:scale(1.45);opacity:0}}.call__name{font-size:28px;font-weight:800}.call__sub{font-size:13px;opacity:.75}.call__skill{margin-top:12px;padding:6px 14px;border-radius:999px;background:#c9a24a2e;color:var(--gold-2);font-size:13px;font-weight:700}.call__self{position:absolute;right:20px;bottom:20px;display:flex;align-items:center;gap:10px;padding:8px 14px 8px 8px;border-radius:999px;background:#ffffff1a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.call__self-name{font-size:13px;font-weight:700;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.call__mascot{width:40px;height:40px;border-radius:50%;overflow:hidden;border:2px solid #fff;background:#f5eee8}.call__mascot img{width:100%;height:100%;object-fit:cover}.call__bar{position:absolute;left:50%;bottom:20px;transform:translate(-50%);display:flex;align-items:center;gap:14px;padding:10px;border-radius:999px;background:#ffffff1f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.call__panel{display:flex;flex-direction:column;min-width:0;overflow:hidden;padding:12px 12px 12px 0}.call__tabs{display:flex;gap:6px;padding:6px;border-radius:999px;background:var(--sand-2);margin-bottom:12px}.call__tab{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;border:none;border-radius:999px;background:transparent;color:var(--muted);font-weight:700;cursor:pointer}.call__tab--active{background:#fff;color:var(--navy);box-shadow:var(--shadow-sm)}.call__tab-count{min-width:20px;padding:0 6px;border-radius:999px;background:var(--navy);color:#fff;font-size:11px;line-height:20px}.call__panel-body{flex:1;min-height:0;overflow-y:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px}@media(max-width:900px){.call{grid-template-columns:1fr;grid-template-rows:1fr 0}.call--panel{grid-template-columns:1fr;grid-template-rows:1fr 46vh}.call__panel{padding:0 12px 12px}.call__self{right:12px;bottom:92px}.call__self-name{display:none}.call__avatar{width:120px;height:120px}}.call__top-right{display:flex;align-items:center;gap:10px}.call__timer{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:#ffffff1f;color:#fff;font-weight:700;font-variant-numeric:tabular-nums;font-size:14px}.call__timer--low{background:var(--danger);animation:timer-pulse 1.6s ease-in-out infinite}@keyframes timer-pulse{0%,to{opacity:1}50%{opacity:.65}}.call__notice{max-width:460px;text-align:center;display:grid;gap:14px;justify-items:center}.call__center--board{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:12px;overflow-y:auto}.call__teacher--mini{flex-direction:row;align-items:center;gap:12px}.call__teacher--mini .call__avatar{width:56px;height:56px}.call__teacher--mini .call__teacher-text{display:flex;flex-direction:column;gap:4px;align-items:flex-start;color:#fff}