:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,PingFang SC,Helvetica Neue,sans-serif;font-synthesis:none;--ink: #17211f;--muted: #65716e;--surface: #ffffff;--background: #f5f7f4;--line: #dce3df;--primary: #123b35;--primary-soft: #deebe6;--accent: #e9664b;--accent-soft: #fbe8e3;--warning: #9c5b08;--danger: #b63f35;--shadow: 0 10px 30px rgba(21, 43, 38, .08)}*{box-sizing:border-box}[hidden]{display:none!important}html,body{min-height:100%;margin:0;background:var(--background);color:var(--ink)}body{min-height:100dvh;-webkit-tap-highlight-color:transparent;letter-spacing:0}button,input,textarea,select{font:inherit;letter-spacing:0}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid rgba(233,102,75,.28);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.5}svg{width:20px;height:20px;stroke-width:2}.app-shell{min-height:100dvh;max-width:720px;margin:0 auto;background:var(--background)}.topbar{position:sticky;top:0;z-index:20;height:calc(62px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 16px 0;display:flex;align-items:center;justify-content:space-between;background:#f7f8f5f5;border-bottom:1px solid var(--line)}.brand-lockup{display:flex;align-items:center;gap:10px;min-width:0}.brand-lockup img{border-radius:8px}.brand-lockup div{min-width:0;display:grid}.brand-lockup strong{font-size:15px;line-height:19px}.brand-lockup span{color:var(--muted);font-size:11px;line-height:15px}.topbar-actions{display:flex;align-items:center;gap:8px}.status-dot{width:9px;height:9px;border-radius:50%;background:#9aa39f;box-shadow:0 0 0 4px #9aa39f21}.status-dot[data-state=ready]{background:#24865f;box-shadow:0 0 0 4px #24865f21}.status-dot[data-state=error]{background:var(--danger);box-shadow:0 0 0 4px #b63f351f}.icon-button{width:40px;height:40px;padding:0;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.main-content{padding:18px 16px calc(92px + env(safe-area-inset-bottom))}.app-view{min-height:calc(100dvh - 172px)}#talk-view.is-active{height:calc(100dvh - 162px - env(safe-area-inset-top) - env(safe-area-inset-bottom));min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto}.view-heading{min-height:54px;margin-bottom:18px;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.view-heading h1{margin:3px 0 0;font-size:24px;line-height:30px}.eyebrow{display:block;color:var(--accent);font-size:11px;font-weight:750;line-height:14px}.segmented{min-height:40px;padding:3px;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:2px;border:1px solid var(--line);border-radius:8px;background:#edf1ee}.segmented.compact{min-width:128px}.segmented button{min-height:32px;padding:5px 12px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:13px;font-weight:650;white-space:nowrap}.segmented button.is-selected{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #17211f14}.conversation{min-height:0;display:grid;align-content:start;gap:8px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none}.conversation::-webkit-scrollbar{display:none}.empty-state{min-height:100%;display:grid;place-items:center;align-content:center;gap:8px;color:var(--muted);text-align:center}.empty-state svg{width:36px;height:36px;color:var(--primary)}.empty-state strong{color:var(--ink);font-size:16px}.empty-state span{font-size:13px}.conversation-turn{border-bottom:1px solid var(--line)}.conversation-turn>summary{min-height:52px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;list-style:none;cursor:pointer}.conversation-turn>summary::-webkit-details-marker{display:none}.conversation-turn>summary span{overflow:hidden;font-size:14px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.conversation-turn>summary time{color:var(--muted);font-size:11px}.turn-body{padding-bottom:14px}.utterance{padding:12px 0;border-top:1px solid var(--line)}.content-heading{min-height:28px;margin-bottom:7px;display:flex;align-items:center;justify-content:space-between;gap:8px}.content-heading>strong{font-size:12px}.inline-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.mini-button{min-height:32px;padding:0 9px;display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:11px;font-weight:700}.mini-button svg{width:15px;height:15px}.conversation-turn .recognized{margin:0 0 12px;color:var(--ink);font-size:15px;line-height:1.55}.conversation-turn .reply{margin:0 0 12px;padding-left:12px;border-left:3px solid var(--accent);font-size:15px;line-height:1.55}.score-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}.score-strip span{min-width:0;padding:6px 2px;display:grid;gap:2px;text-align:center;background:var(--primary-soft);border-radius:5px}.score-strip strong{font-size:14px}.score-strip small{overflow:hidden;color:var(--muted);font-size:9px;text-overflow:ellipsis}.feedback-list{margin:7px 0 0;padding-left:19px;color:var(--muted);font-size:13px;line-height:1.6}.feedback-block{margin-top:12px}.feedback-block h3{margin:0;font-size:12px}.feedback-block p,.utterance>p{color:var(--muted);font-size:13px;line-height:1.6}.improved-box{margin-top:12px;padding:12px;border-left:3px solid var(--primary);background:var(--primary-soft)}.improved-box p{margin:0;font-size:13px;line-height:1.6}.correction-box{margin-top:10px;padding:10px 12px;border-left:3px solid var(--accent);background:var(--accent-soft)}.correction-box>strong{font-size:11px}.correction-box p{margin:4px 0;font-size:13px;line-height:1.5}.correction-box ul{margin:5px 0 0;padding-left:18px;color:var(--muted);font-size:12px;line-height:1.5}.audio-actions{display:flex;gap:8px;margin-top:10px}.record-dock,.exam-record-dock{position:relative;min-height:106px;padding:14px 86px 14px 15px;border:1px solid var(--line);border-radius:8px;background:#fffffff7;box-shadow:var(--shadow)}.record-dock{margin-top:12px}.record-status,.exam-record-dock>div:first-child{display:flex;justify-content:space-between;gap:10px;font-size:13px;font-weight:650}.record-status time,.exam-record-dock time{color:var(--muted);font-variant-numeric:tabular-nums}.level-track{height:4px;margin-top:13px;overflow:hidden;border-radius:2px;background:#e7ece9}.level-track span{display:block;width:4%;height:100%;background:var(--accent);transform-origin:left;transition:width 80ms linear}.record-button{position:absolute;right:14px;bottom:14px;width:62px;height:62px;padding:0;display:grid;place-items:center;border:0;border-radius:50%;background:var(--primary);color:#fff;box-shadow:0 7px 18px #123b353d}.record-button svg{width:26px;height:26px}.record-button.is-recording{background:var(--accent)}.record-button.is-recording svg{fill:currentColor}.record-button.small{width:58px;height:58px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mode-option{min-height:112px;padding:14px;display:grid;align-content:start;justify-items:start;gap:5px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-align:left}.mode-option span{color:var(--accent);font-size:10px;font-weight:750}.mode-option strong{font-size:16px}.mode-option small{color:var(--muted);font-size:12px}.mode-option.is-selected{border-color:var(--primary);box-shadow:inset 0 0 0 1px var(--primary)}.form-band{margin-top:16px;padding:14px 0;display:grid;gap:9px;border-top:1px solid var(--line)}.form-band label{color:var(--muted);font-size:12px;font-weight:650}.primary-button,.secondary-button,.danger-button,.icon-text-button{min-height:44px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;font-weight:700}.primary-button{border:1px solid var(--primary);background:var(--primary);color:#fff}.secondary-button,.icon-text-button{border:1px solid var(--line);background:var(--surface);color:var(--ink)}.danger-button{border:1px solid var(--danger);background:var(--danger);color:#fff}.full-width{width:100%;margin-top:18px}.text-button{padding:8px 0;border:0;background:transparent;color:var(--primary);font-size:13px;font-weight:700}.danger-text{display:block;margin:22px auto 0;color:var(--danger)}.practice-meta{margin-bottom:14px;display:flex;justify-content:space-between;color:var(--muted);font-size:12px;font-weight:700}.cue-card{padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cue-card h2{margin:6px 0 12px;font-size:20px;line-height:1.35}.cue-card ul{margin:0;padding-left:21px;color:var(--muted);font-size:14px;line-height:1.65}.countdown{padding:24px 0;display:grid;justify-items:center;gap:7px}.countdown>strong{font-size:46px;line-height:52px;font-variant-numeric:tabular-nums}.countdown>span{color:var(--muted);font-size:12px}.countdown>div{width:100%;height:5px;margin:10px 0;overflow:hidden;background:var(--line)}.countdown i{display:block;width:100%;height:100%;background:var(--accent);transform-origin:left}.question-stage{padding:30px 0 22px;text-align:center}.question-source{color:var(--accent);font-size:11px;font-weight:750}.question-stage h2{max-width:620px;margin:10px auto 18px;font-size:23px;line-height:1.4}.question-actions{display:flex;justify-content:center;gap:8px}.help-sheet{margin:0 -16px;padding:16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--primary-soft)}.help-sheet header{display:flex;align-items:center;justify-content:space-between}.help-sheet .icon-button{background:transparent}.help-sheet h3{margin:14px 0 5px;font-size:13px}.help-sheet ul{margin:0;padding-left:20px;font-size:13px;line-height:1.55}.answer-log{display:grid;gap:0}.answer-item{padding:13px 0;border-bottom:1px solid var(--line)}.answer-item span{color:var(--muted);font-size:11px}.answer-item p{margin:5px 0 0;font-size:14px;line-height:1.5}.exam-record-dock{position:relative;right:auto;bottom:auto;left:auto;margin-top:20px}.result-view{text-align:center}.result-score{display:grid;justify-content:center;justify-items:center;padding:25px 0 12px}.result-score span{color:var(--muted);font-size:12px}.result-score strong{color:var(--primary);font-size:64px;line-height:70px;font-variant-numeric:tabular-nums}.result-score small{color:var(--muted)}.disclaimer{margin:0 0 22px;color:var(--muted);font-size:11px}.score-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.score-item{min-height:76px;padding:12px;display:grid;align-content:center;gap:4px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.score-item strong{font-size:22px}.score-item span{color:var(--muted);font-size:11px}.result-section{padding:18px 0;border-bottom:1px solid var(--line);text-align:left}.result-section h2{margin:0 0 9px;font-size:15px}.result-section ul{margin:0;padding-left:20px;color:var(--muted);font-size:13px;line-height:1.6}.improved-examples{display:grid;gap:8px}.example-line{padding:11px 12px;border-left:3px solid var(--primary);background:var(--primary-soft);font-size:13px;line-height:1.55}.timing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.timing-cell{min-height:62px;padding:10px;display:grid;align-content:center;justify-items:center;gap:3px;border:1px solid var(--line);background:var(--surface)}.timing-cell strong{font-size:17px;font-variant-numeric:tabular-nums}.timing-cell span{color:var(--muted);font-size:10px}.card-review{display:grid;gap:15px}.card-review-block{display:grid;gap:6px}.card-review-block small{color:var(--muted);font-size:10px;font-weight:700}.card-review-block>strong{font-size:14px;line-height:1.45}.card-review-block ol,.card-review-block ul{margin:0;padding-left:20px}.card-review-block li span{display:block;color:var(--accent);font-size:10px;font-weight:700}.result-turns{display:grid}.exam-turn-card{border-bottom:1px solid var(--line)}.exam-turn-card>summary{min-height:58px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;list-style:none;cursor:pointer}.exam-turn-card>summary::-webkit-details-marker{display:none}.exam-turn-card>summary strong{font-size:12px}.exam-turn-card>summary span{color:var(--muted);font-size:10px}.exam-turn-body{padding-bottom:10px}.exam-turn-body>section{padding:10px 0;border-top:1px solid var(--line)}.exam-turn-body>section>strong{font-size:12px}.exam-turn-body p{margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.exam-turn-body ul{margin-top:6px}.result-actions{display:grid}.empty-inline{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.history-list{display:grid;margin-top:14px}.history-row{border-bottom:1px solid var(--line)}.history-row>summary{min-height:72px;display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:8px;list-style:none;cursor:pointer}.history-row>summary::-webkit-details-marker{display:none}.history-label{padding:3px 6px;border-radius:4px;background:var(--primary-soft);color:var(--primary);font-size:9px;font-weight:750}.history-title{min-width:0;display:grid;gap:3px}.history-title strong,.history-title small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-title strong{font-size:13px}.history-title small{color:var(--muted);font-size:11px;font-weight:400}.history-row time{color:var(--muted);font-size:10px}.history-row>summary>svg{width:16px;height:16px;color:var(--muted);transition:transform .16s ease}.history-row[open]>summary>svg{transform:rotate(180deg)}.history-detail{padding:4px 0 16px}.history-detail>.turn-body{padding-bottom:0}.history-actions{display:flex;gap:8px;margin-top:12px}.settings-section{margin:0 -16px;padding:18px 16px;border-top:1px solid var(--line);background:var(--surface)}.settings-section+.settings-section{margin-top:10px}.settings-section>header{margin-bottom:14px;display:flex;align-items:center;justify-content:space-between}.settings-section h2{margin:0;font-size:15px}.section-status{color:var(--muted);font-size:12px}.activation-form>label{display:block;margin-bottom:7px;color:var(--muted);font-size:12px;font-weight:650}.activation-form>div{display:grid;grid-template-columns:1fr auto;gap:8px}input,textarea,select{width:100%;min-height:44px;border:1px solid #cdd6d1;border-radius:7px;background:var(--surface);color:var(--ink)}input,select{padding:0 12px}textarea{padding:10px 12px;resize:vertical;line-height:1.45}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field-grid label,#prompts-form label,.card-dialog label{display:grid;gap:6px;color:var(--muted);font-size:11px;font-weight:650}.toggle-row,.select-row{min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:15px}.toggle-row+.select-row{border-top:1px solid var(--line)}.toggle-row span{display:grid;gap:3px}.toggle-row strong{font-size:14px}.toggle-row small{color:var(--muted);font-size:11px}.toggle-row input{position:absolute;opacity:0;pointer-events:none}.toggle-row i{position:relative;width:48px;height:28px;flex:0 0 auto;border-radius:14px;background:#cbd3cf}.toggle-row i:after{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;content:"";transition:transform .16s ease}.toggle-row input:checked+i{background:var(--primary)}.toggle-row input:checked+i:after{transform:translate(20px)}.select-row{font-size:14px}.select-row select{width:135px;border:0;text-align:right}.storage-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.storage-stats div{min-height:66px;padding:10px 5px;display:grid;place-items:center;align-content:center;border:1px solid var(--line);border-radius:7px}.storage-stats strong{font-size:17px}.storage-stats span{color:var(--muted);font-size:10px}.action-list{margin-top:13px;border-top:1px solid var(--line)}.action-list button{width:100%;min-height:58px;padding:0;display:grid;grid-template-columns:28px 1fr 20px;align-items:center;gap:10px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left}.action-list button>svg:first-child{color:var(--primary)}.action-list button>svg:last-child{color:#9ba49f}.action-list button span{display:grid;gap:2px}.action-list button strong{font-size:13px}.action-list button small{color:var(--muted);font-size:10px}.disclosure{padding-top:0;padding-bottom:0}.disclosure summary{min-height:62px;display:flex;align-items:center;justify-content:space-between;list-style:none;cursor:pointer}.disclosure summary::-webkit-details-marker{display:none}.disclosure summary span{display:grid;gap:3px}.disclosure summary strong{font-size:15px}.disclosure summary small{color:var(--muted);font-size:10px}.disclosure[open] summary>svg{transform:rotate(180deg)}#prompts-form{padding:0 0 18px;display:grid;gap:14px}.form-actions{display:flex;justify-content:flex-end;gap:8px}.bank-toolbar{display:grid;grid-template-columns:1fr auto;gap:8px;padding:0 0 10px}.bank-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;padding-bottom:12px}.bank-actions button{min-width:0;padding:0 7px;font-size:12px}.bank-list{max-height:480px;overflow:auto;border-top:1px solid var(--line)}.bank-row{padding:12px 0;display:grid;grid-template-columns:1fr auto;gap:5px 10px;border-bottom:1px solid var(--line)}.bank-row strong{font-size:13px;line-height:1.4}.bank-row span{color:var(--muted);font-size:10px}.bank-row-actions{grid-column:1 / -1;display:flex;gap:7px}.bank-row-actions button{min-height:32px;padding:0 9px;border:1px solid var(--line);border-radius:6px;background:transparent;font-size:11px}.bottom-nav{position:fixed;z-index:20;right:max(0px,calc((100vw - 720px)/2));bottom:0;left:max(0px,calc((100vw - 720px)/2));height:calc(64px + env(safe-area-inset-bottom));padding:4px 8px env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);background:#fffffff7}.bottom-nav button{min-width:0;padding:5px 2px;display:grid;place-items:center;align-content:center;gap:3px;border:0;background:transparent;color:var(--muted);font-size:10px}.bottom-nav button svg{width:21px;height:21px}.bottom-nav button.is-selected{color:var(--primary);font-weight:750}dialog{width:min(calc(100% - 32px),440px);padding:0;border:0;border-radius:8px;color:var(--ink);box-shadow:0 18px 60px #111f1c47}dialog::backdrop{background:#111f1c75}.confirm-dialog form{padding:22px;text-align:center}.dialog-icon{width:44px;height:44px;margin:0 auto;display:grid;place-items:center;border-radius:50%;background:var(--accent-soft);color:var(--danger)}.confirm-dialog h2{margin:13px 0 7px;font-size:18px}.confirm-dialog p{margin:0 0 18px;color:var(--muted);font-size:13px;line-height:1.5}.confirm-dialog form>div:last-child{display:grid;grid-template-columns:1fr 1fr;gap:8px}.card-dialog form{max-height:85dvh;padding:18px;display:grid;gap:12px;overflow:auto}.card-dialog header{display:flex;align-items:center;justify-content:space-between}.card-dialog h2{margin:0;font-size:17px}.busy-overlay{position:fixed;z-index:50;inset:0;display:grid;place-items:center;align-content:center;gap:13px;background:#f7f8f5eb}.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}.busy-overlay strong{font-size:14px}.toast-region{position:fixed;z-index:60;right:16px;bottom:calc(78px + env(safe-area-inset-bottom));left:16px;display:grid;justify-items:center;pointer-events:none}.toast{max-width:520px;padding:11px 14px;border-radius:7px;background:var(--ink);color:#fff;font-size:12px;box-shadow:var(--shadow);animation:toast-in .18s ease-out}.toast.is-error{background:var(--danger)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes toast-in{0%{opacity:0;transform:translateY(6px)}}@media(min-width:700px){.main-content{padding-right:24px;padding-left:24px}.settings-section{margin-right:-24px;margin-left:-24px;padding-right:24px;padding-left:24px}}@media(max-width:370px){.view-heading{align-items:flex-start;flex-direction:column}.segmented.compact{width:100%}.field-grid{grid-template-columns:1fr}.mode-option{min-height:104px;padding:11px}.question-stage h2{font-size:20px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}