:root{--paper:#f5f4ee;--ink:#243e38;--green:#285b4b;--muted:#6c7771;--line:#dce0d6;--lime:#e5edb3}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.6}header,main,footer{max-width:980px;margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:26px 28px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;color:var(--ink);font-weight:750;display:flex;align-items:center;gap:10px;letter-spacing:-.5px}.brand-icon{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--green);color:white;font-size:25px}.beta{font-size:9px;border:1px solid var(--line);border-radius:4px;padding:1px 5px;letter-spacing:1px;color:var(--muted)}main{padding:52px 28px;min-height:78vh}h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:64px;line-height:1.08;letter-spacing:-2px;margin:20px 0}h2{font-size:19px;line-height:1.5;font-weight:600}.eyebrow{font-size:11px;letter-spacing:1.8px;font-weight:700;color:var(--green)}.intro{font-size:18px;color:var(--muted)}button,input,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:9px;min-height:44px;padding:11px 17px;font-size:14px;font-weight:600}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #c19a4b;outline-offset:3px}.primary{background:var(--green);color:#fff}.secondary{background:#e9ecdf;color:var(--ink)}.quiet{background:transparent;color:var(--muted);padding:8px 4px}.welcome-note{display:flex;gap:16px;background:var(--lime);padding:16px 22px;border-radius:12px;margin:28px 0 38px}.welcome-note>span{font-size:27px}.welcome-note p{margin:0;font-size:14px}.welcome-note small{font-size:13px;color:#54654b}.section-label{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-label span{font-size:12px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.card{background:#fffefa;border:1px solid var(--line);text-align:left;padding:23px;border-radius:12px;color:var(--ink);min-height:190px;transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-3px);box-shadow:0 8px 25px #203e3810}.card-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:1.3px;color:var(--muted)}.card h3{font-family:Georgia,serif;font-size:26px;font-weight:400;line-height:1.2;margin:20px 0 8px}.card p{font-size:13px;font-weight:400;color:var(--muted);margin:0}.card-bottom{margin-top:17px;display:flex;justify-content:space-between;font-size:12px;font-weight:500;color:var(--green)}.privacy{margin-top:35px;color:var(--muted);font-size:12px}.privacy button{font-size:12px;text-decoration:underline}footer{border-top:1px solid var(--line);padding:22px 28px;font-size:10px;letter-spacing:1px;display:flex;justify-content:space-between;color:var(--muted)}.invite{max-width:420px;margin-top:36px}.invite label{display:block;font-size:14px;margin-bottom:8px}.invite input{display:block;width:100%;padding:14px;border:1px solid var(--line);border-radius:8px;margin-bottom:14px;background:white}.invite button{width:100%;display:flex;justify-content:space-between}.fine{font-size:12px;color:var(--muted)}.error{color:#a53c27;font-size:14px}.back{margin-bottom:22px}.practice-title{font-size:45px;letter-spacing:-1px}.steps{display:flex;gap:12px;align-items:center;margin:28px 0}.steps button{background:transparent;color:var(--muted)}.steps button.active{background:var(--green);color:#fff}.expressions{border:1px solid var(--line);padding:20px 24px;border-radius:12px;background:#fffefa}.expression{padding:14px 0;border-top:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.expression p{margin:0;font-size:17px}.expression small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.listen{background:#edf0e4;color:var(--green);font-size:12px;white-space:nowrap;min-height:38px;padding:8px 12px}.workspace{margin:32px 0}textarea{display:block;resize:vertical;width:100%;border:1px solid #b8c3b8;border-radius:10px;background:white;padding:16px;color:var(--ink);line-height:1.65;font-size:17px;min-height:160px}textarea:focus,input:focus{outline:2px solid #64846d;outline-offset:2px}.input-meta{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);margin:8px 0 17px}.actions{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.feedback{background:#e9eedd;border-radius:12px;padding:25px}.feedback h3{font-size:12px;text-transform:uppercase;letter-spacing:1px;margin:22px 0 6px}.feedback p{margin:0 0 16px;white-space:pre-wrap;overflow-wrap:anywhere}.improved{background:#fffefa;border-left:3px solid #6e8555;padding:17px;font-family:Georgia,serif;font-size:21px}.feedback details{font-size:14px;margin:18px 0}.feedback details p{margin-top:12px}.history{margin:30px 0;color:var(--muted);font-size:14px}.history article{border-bottom:1px solid var(--line);padding:12px 0;overflow-wrap:anywhere}.history p{white-space:pre-wrap}.history .history-meta{font-size:11px;font-weight:bold;letter-spacing:1px}.history button{font-size:12px}summary{cursor:pointer;padding:8px 0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:600px){header{padding:18px 20px}.brand{font-size:16px}main{padding:34px 20px}h1{font-size:48px}.intro{font-size:16px}.cards{grid-template-columns:1fr;gap:12px}.card{min-height:170px;padding:20px}.card h3{font-size:27px}.welcome-note{padding:15px;margin:24px 0}.section-label h2{font-size:17px}.practice-title{font-size:37px}.expressions{padding:15px}.expression p{font-size:16px}.steps{gap:6px}.steps button{padding:10px;font-size:12px}.feedback{padding:20px}.actions button{flex:1}.actions{gap:8px}footer{padding:20px;letter-spacing:.3px;font-size:9px}.listen{padding:6px 8px}.section-label span{font-size:10px}}@media(prefers-reduced-motion:reduce){.card{transition:none}}
.modes{display:flex;gap:8px;margin:28px 0}.modes button{background:#e8eadf;color:var(--muted)}.modes button.active{background:var(--green);color:white}.expression-copy{flex:1;min-width:0}.choose-expression{font-size:17px;text-align:left;background:transparent;padding:0;min-height:32px;font-weight:500;color:var(--ink);line-height:1.5}.selected-expression .choose-expression{color:var(--green);text-decoration:underline;text-decoration-color:#b5c67a;text-decoration-thickness:3px;text-underline-offset:5px}.selected-expression{border-left:3px solid #92a766;padding-left:12px}.choose-expression[aria-pressed=true]:before{content:'✓ ';font-size:14px}.conversation-head{display:flex;align-items:center;justify-content:space-between;margin-top:34px}.conversation-head p{font-size:13px;color:var(--muted);margin:6px 0}.target-label{font-size:13px;background:var(--lime);padding:12px 16px;border-radius:9px;margin:16px 0;overflow-wrap:anywhere}.messages{display:flex;flex-direction:column;gap:16px;margin:24px 0}.bubble{max-width:88%;border-radius:15px;padding:18px 20px;background:white;border:1px solid var(--line);overflow-wrap:anywhere}.bubble.ai{align-self:flex-start}.bubble.you{align-self:flex-end;background:#e5eddb;border-color:transparent}.bubble-label{font-size:10px;font-weight:700;letter-spacing:1.5px;color:var(--muted)}.bubble p{margin:9px 0 12px;font-size:18px;line-height:1.55;white-space:pre-wrap}.bubble .quiet{font-size:11px;min-height:28px;padding:0}.bubble .listen{min-height:34px}.chat-composer{background:#fffefa;padding:18px;border-radius:12px;border:1px solid var(--line);margin-top:25px}.chat-composer textarea{min-height:96px;margin:9px 0 14px;font-size:16px}.chat-actions{display:flex;gap:8px;flex-wrap:wrap}.record{background:var(--lime);color:var(--ink);flex:1}.record span{margin-right:6px}.record.recording{background:#ae4d35;color:white}.chat-composer .fine{margin:10px 0}.chat-composer .error:empty{display:none}.auto-voice{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:7px;min-height:36px}.auto-voice input{accent-color:var(--green);width:17px;height:17px}#voice-player{border-radius:10px;background:#e9eddf;padding:12px 16px;margin:16px 0}.player-label{font-size:10px;letter-spacing:1px;display:flex;gap:15px;justify-content:space-between;align-items:center}#voice-status{font-size:12px;letter-spacing:0;color:var(--muted)}audio{display:block;width:100%;height:40px;margin-top:8px}#writing-panel>.steps{margin-top:30px}@media(max-width:600px){.choose-expression{font-size:16px}.bubble{max-width:94%;padding:16px}.bubble p{font-size:17px}.chat-composer{padding:14px}.chat-actions button{font-size:13px;padding:10px 12px}.modes button{font-size:13px}.player-label{align-items:flex-start}.chat-actions #cancel-record{flex:0 0 auto}.chat-actions #send-chat{flex:0 0 auto}}
.trial-expiry{font-size:12px;color:var(--green);background:#e9eedd;border-radius:8px;padding:10px 14px;margin:-14px 0 28px}.finish-actions{margin:22px 0 26px;text-align:center}.finish-actions>button{width:100%;border:1px solid #a9bba7;min-height:48px}#end-review{margin-bottom:30px}#end-review .fine{font-family:inherit;font-size:12px}#review-content p{overflow-wrap:anywhere}
.install-card{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid var(--line);background:#fffefa;border-radius:10px;padding:14px 18px;margin:-8px 0 32px}.install-card strong{font-size:14px;font-weight:600}.install-card small{display:block;font-size:12px;color:var(--muted);margin-top:3px}.install-card button{font-size:13px;white-space:nowrap}#install-dialog{color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:16px;width:min(440px,calc(100% - 32px));max-height:85dvh;overflow:auto;padding:22px}#install-dialog::backdrop{background:#203a32aa}.install-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}#install-title{margin:6px 0 18px;font-size:22px}#install-steps{padding-left:22px;font-size:15px}#install-steps li{margin:13px 0}.install-link-row{display:flex;gap:8px;margin-top:6px}.install-link-row input{min-width:0;width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:13px;background:white;color:var(--ink)}.install-link-row button{flex-shrink:0}#install-note{margin-top:18px}@media(max-width:600px){.install-card{padding:13px;gap:10px}.install-card strong{font-size:12px}.install-card small{font-size:11px}.install-card button{padding:10px;font-size:12px}}@media(display-mode:standalone){header{padding-top:calc(18px + env(safe-area-inset-top));padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}main{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}footer{padding-bottom:calc(22px + env(safe-area-inset-bottom))}#install-card{display:none}}
.invite-code-row{display:flex;align-items:stretch;gap:8px}.invite .invite-code-row input{min-width:0;flex:1;margin:0;font-size:20px;letter-spacing:3px}.invite .invite-code-row input::placeholder{font-size:14px;letter-spacing:0}.invite .invite-code-row button{width:auto;flex:0 0 auto;align-items:center;justify-content:center;min-width:62px}.invite #paste-status{margin:8px 0 16px}
/* Weekly learning portal */
.portal-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:5px;background:#e8ebdf;border-radius:12px;margin:0 0 36px}.portal-nav button{background:transparent;color:var(--muted);padding:12px 8px}.portal-nav .active{background:var(--green);color:white;box-shadow:0 2px 8px #243e3815}#home-title{max-width:710px;font-size:58px;line-height:1.12}#home-note{margin-bottom:30px}.lesson-list{display:grid;gap:15px}.lesson-card{display:block;text-align:left;width:100%;border:1px solid var(--line);background:#fffefa;padding:24px;border-radius:12px;color:var(--ink)}.lesson-card:first-child{border-top:3px solid #839663}.lesson-card h2{font-family:Georgia,serif;font-size:29px;font-weight:400;margin:14px 0 5px}.lesson-card p{margin:6px 0;font-weight:400}.download-box{background:#e9eedd;padding:20px 24px;border-radius:12px;margin:28px 0}.download-box h2{margin:0}.download-links{display:grid;gap:10px}.download-link{display:flex;flex-direction:column;background:#fffefa;color:var(--green);text-decoration:none;border-radius:9px;border:1px solid var(--line);padding:14px 16px}.download-link strong{font-size:15px}.download-link small{color:var(--muted);font-size:12px;margin-top:3px}.field{margin:22px 0}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}select,.field input{width:100%;min-width:0;max-width:100%;color:var(--ink);background:white;border:1px solid #b8c3b8;border-radius:9px;font:inherit;padding:13px;font-size:16px}select:focus{outline:2px solid #64846d;outline-offset:2px}.pattern-label{font-size:12px;letter-spacing:.25px;color:var(--green);font-weight:650;margin-bottom:5px}.modes button{flex:1}.card-review-panel{margin:28px 0}.card-review-panel>h2{font-family:Georgia,serif;font-size:27px;font-weight:400}.card-review-panel p{font-size:16px}.mini-exercise{border-left:3px solid #8fa46d;padding:4px 20px;margin:24px 0}.mini-exercise h3{font-size:14px}.mini-exercise summary{font-size:13px;color:var(--green)}.assignment-brief{background:#e9eedd;border-radius:12px;padding:20px 24px;margin:24px 0}.assignment-brief p{white-space:pre-wrap}.hw-submit-actions{margin:25px 0 10px}.hw-submit-actions button{flex:1}#hw-answer{margin-top:10px}.submission{margin:14px 0;border:1px solid var(--line);border-radius:12px;padding:16px;background:#fffefa}.submission summary{font-size:14px;font-weight:600}.submitted-text{white-space:pre-wrap;overflow-wrap:anywhere}.submission .feedback{margin:16px 0}.privacy{line-height:1.7}#hw-status:empty,#hw-error:empty{display:none}.lesson-card,.card,#card-title,#lesson-title,#home-title,#card-pattern{overflow-wrap:anywhere}@media(max-width:600px){#home-title{font-size:43px;letter-spacing:-1px}.portal-nav{margin-bottom:28px}.portal-nav button{font-size:13px}.lesson-card{padding:20px}.lesson-card h2{font-size:26px}.download-box,.assignment-brief{padding:18px}.modes{gap:5px}.modes button{font-size:12px;padding:10px 7px}.submission{padding:13px}.download-box .section-label{flex-wrap:wrap;gap:4px}}@media(max-width:360px){header{padding:16px}.brand{gap:6px;font-size:14px}.brand-icon{width:27px;height:27px}main{padding:28px 16px}.install-card{flex-wrap:wrap}#home-title{font-size:38px}.section-label{flex-wrap:wrap}.trial-expiry{font-size:11px}.modes button{font-size:11px}.expression{gap:8px}.choose-expression{font-size:15px}.portal-nav button{font-size:12px}}
/* Listen first; reveal transcripts after the audio. */
.target-guide{font-size:14px;line-height:1.75;margin:10px 0}.target-legend{font-size:12px;color:var(--muted);margin:10px 0 20px}.target-hit{background:transparent;color:#aa2d2d;font-weight:700;text-decoration:underline;text-decoration-color:#d99988;text-underline-offset:3px}.talk-setup{background:#fffefa;border:1px solid var(--line);border-radius:12px;padding:20px;margin:24px 0}.talk-setup>p{font-size:14px;color:var(--muted)}.talk-setup .primary{width:100%}.bubble-voice-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.bubble-voice-actions .listen,.bubble-voice-actions .secondary{min-height:44px;font-size:12px;padding:10px 12px}.bubble p.bubble-voice-status{font-size:12px;line-height:1.6;color:var(--muted);margin:12px 0 0}.bubble .ai-transcript{border-top:1px solid var(--line);padding-top:15px;margin-top:15px}.correction-card{background:#fffefa;border:1px solid #cbd5c0;border-radius:10px;padding:18px;margin:20px 0}.correction-card h3{margin-top:0!important}.comparison-line{border-radius:8px;padding:12px 14px;margin:12px 0;background:#f5f4ee}.comparison-line.better{background:#eaf1df}.comparison-label{font-size:12px;font-weight:650;color:var(--muted);margin-bottom:6px}.comparison-line p{margin:0!important;font-size:18px;line-height:1.65}.changed-original{color:#a3312b;background:#fce7df;border-radius:3px;font-weight:700;padding:0 2px}.changed-better{color:#24533b;background:#d8e8c4;border-radius:3px;font-weight:700;padding:0 2px}.correction-card h4{font-size:12px;margin:16px 0 6px;color:var(--green)}.correction-card .correction-explanation{font-size:14px;color:#4d5e50;margin-bottom:0!important}@media(max-width:600px){.bubble-voice-actions{gap:7px}.bubble{min-width:0}.correction-card{padding:13px}.comparison-line{padding:10px}.comparison-line p{font-size:16px}.target-guide{font-size:13px}}
/* Invite-only personal accounts */
.auth-tabs{display:flex;gap:10px;margin:26px 0 16px}.auth-tabs button{flex:1;padding:12px;border:1px solid #ccd5c5;border-radius:12px;background:transparent;color:inherit}.auth-tabs .active{background:#285c4f;color:white}.account-form{display:grid;gap:12px;margin:16px 0 24px}.account-form[hidden]{display:none}.account-form input:not([type=checkbox]){width:100%;min-width:0;box-sizing:border-box;font:inherit;font-size:16px;padding:13px;border:1px solid #bdcbbd;border-radius:10px;background:#fff}.account-form .check-row{display:flex;align-items:flex-start;gap:9px;font-size:14px;line-height:1.65}.check-row input{flex:0 0 auto;width:18px;height:18px;margin-top:3px}.saved-conversation{display:block;width:100%;text-align:left;white-space:normal;padding:14px;margin:10px 0;border:1px solid #cbd5c5;border-radius:10px;background:#fff;color:inherit}.account-form details p{line-height:1.7}.account-form button{min-height:44px}