body{background-size:28px 28px}button,a,input,select,summary{touch-action:manipulation}button{min-height:44px}h1,h2,h3,p{margin:0}p{line-height:1.6}h1{font-size:clamp(34px,4vw,56px);line-height:1.02;letter-spacing:-.045em;font-weight:900}h2{font-size:24px;letter-spacing:-.035em}h3{font-size:17px;line-height:1.3}.review{padding:10px 28px;background:var(--fg);color:white;display:flex;gap:24px;align-items:center;font-size:12px}.review span{opacity:.75}.review button{margin-left:auto;color:var(--c2);font-size:12px;min-height:28px}#review-panel{padding:14px 28px;background:white;border-bottom:2px solid;gap:14px;align-items:center;flex-wrap:wrap;font-size:12px}#review-panel:not([hidden]){display:flex}#review-panel label{display:flex;gap:8px;align-items:center}select{padding:8px;border:1px solid;border-radius:8px;font:inherit}#review-panel button,#review-panel a{border:1px solid;padding:8px 12px;border-radius:8px;min-height:36px}#frame{min-height:90vh;container-type:inline-size}.top{max-width:1320px;margin:auto;padding:24px 40px;display:flex;align-items:center;gap:26px;border-bottom:2px solid}.brand-sub{font-size:11px;font-weight:600;letter-spacing:.03em;border-left:1px solid;padding-left:12px}.exam-pill,.tag{border:1.5px solid;border-radius:99px;padding:7px 12px;font-size:11px;font-weight:800;background:white;display:inline-block}.exam-pill{margin-left:auto;background:var(--c2)}#account{font-size:12px;display:flex;gap:16px;align-items:center}#account button{text-decoration:underline}#workspace{display:flex;align-items:stretch;max-width:1320px;margin:auto}main{padding:38px 40px 100px;min-width:0;flex:1}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:16px}.intro{display:flex;justify-content:space-between;gap:30px;align-items:center;margin-bottom:32px}.intro p{font-size:14px;max-width:490px;margin-top:18px}.highlight{background:var(--c4);padding:0 8px;display:inline-block;transform:rotate(-1deg);border:2px solid}.hand{font-family:var(--font-hand);font-size:28px;transform:rotate(-4deg)}.path-note{width:210px;padding:18px;border-left:2px dashed}.path-note p{font-size:12px}.map-actions{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:22px 0 30px}.small{font-size:12px;line-height:1.5;color:#4d4a43}.action{border:2px solid;border-radius:99px;padding:11px 18px;font-size:12px;font-weight:800;background:white;display:inline-flex;align-items:center;justify-content:center;gap:10px}.action.pink{background:var(--c1);box-shadow:3px 3px 0 var(--fg)}.group{margin:26px 0}.group-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}.group-head h2{font-size:16px}.group-head span{font-size:10px;font-weight:800;color:#555}.group-head:after{content:'';height:1px;background:#c7c0af;flex:1}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.exam-card{position:relative;border:2px solid;border-radius:16px;padding:17px;background:white;box-shadow:4px 4px 0;min-width:0;transition:transform .15s}.exam-card:hover{transform:translate(-2px,-2px)}.card-link{display:block}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.num{font-size:25px;font-weight:900;width:43px;height:43px;border:1.5px solid;border-radius:12px;display:grid;place-items:center;background:var(--accent,var(--c3));transform:rotate(-4deg)}.arrow{font-size:21px}.exam-card h3{min-height:44px}.track{height:5px;background:#e7e4db;border-radius:5px;margin:14px 0 9px;overflow:hidden}.track i{display:block;height:100%;background:var(--fg)}.due{display:inline-block;background:var(--c2);font-size:11px;font-weight:800;border:1px solid;padding:6px 10px;border-radius:99px;margin-top:12px}.bread{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;margin-bottom:30px}.bread a{text-decoration:underline}.subtitle{margin:14px 0 24px;font-size:14px}.sheet{border:2px solid;border-radius:18px;background:white;box-shadow:5px 5px 0;padding:26px;margin-top:22px}.type-row{display:flex;gap:22px;align-items:center;justify-content:space-between}.type-copy{flex:1}.segments{display:flex;gap:6px;margin:14px 0 8px;max-width:330px}.segments i{height:12px;border:1.5px solid;border-radius:3px;flex:1;background:white}.segments i:nth-child(4){margin-left:8px}.segments i.done{background:var(--c3)}.segments i.done:nth-child(n+4){background:var(--c4)}.segments-labels{display:flex;justify-content:space-between;max-width:330px;font-size:10px;font-weight:700}.summary-row{display:flex;align-items:center;gap:20px;justify-content:space-between}.summary-row>div{flex:1}.theory summary{font-weight:800;cursor:pointer}.theory p{font-size:14px;margin-top:16px;max-width:650px}.formula{font-size:26px;font-weight:700;letter-spacing:.01em;margin:22px 0;background:var(--bg);border:1px solid;padding:20px;border-radius:12px}.example{border-left:4px solid var(--c2);padding:0 18px;margin:22px 0}.task-head{display:flex;gap:12px;align-items:center;justify-content:space-between;border-bottom:1px solid #ddd;padding-bottom:18px;margin-bottom:24px}.task-statement{font-size:20px;line-height:1.6;max-width:600px}.problem{display:flex;gap:24px;align-items:center}.problem svg{width:220px;max-width:100%;flex-shrink:0}.answer-form{display:flex;gap:12px;flex-wrap:wrap;align-items:end;margin-top:24px}.answer-form .field{max-width:220px}.answer-form .btn-primary{padding:15px 24px;min-height:50px}.notice{padding:16px;border:1.5px solid;border-radius:12px;background:var(--c2);font-size:13px;line-height:1.55;margin-top:20px}.notice.success{background:var(--c4)}.notice.error{background:#ffe0e9}.notice a{text-decoration:underline}.next{margin-top:18px}.login-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;padding:60px 0}.login-copy p{margin-top:24px;font-size:15px}.login-form{max-width:430px;padding:30px}.login-form .field{margin:20px 0}.login-form .btn-primary{width:100%;justify-content:center}.login-form h2{font-size:28px}.chat-launch{position:fixed;bottom:24px;right:30px;background:var(--fg);color:white;padding:16px 24px;border-radius:99px;box-shadow:4px 4px 0 var(--c3);font-size:13px;font-weight:800;z-index:60}.foot{border-top:1px solid #b9b3a4;max-width:1240px;margin:auto;padding:20px 0 28px;display:flex;justify-content:space-between;font-size:11px}.foot span{color:#57534b}#chat{width:360px;flex-shrink:0;border-left:2px solid;background:white;position:sticky;top:0;align-self:flex-start;height:calc(100dvh - 44px);z-index:70;display:flex;flex-direction:column}#chat[hidden]{display:none}.chat-head{padding:20px;border-bottom:2px solid;display:flex;align-items:center;justify-content:space-between;background:var(--c3)}.chat-head h2{font-size:17px}.chat-context{padding:12px 18px;background:#f3f0e7;font-size:11px;line-height:1.5;border-bottom:1px solid #ccc}.messages{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:14px}.message{border:1px solid;border-radius:12px;padding:13px;background:var(--bg);font-size:13px;line-height:1.55;overflow-wrap:anywhere;white-space:pre-wrap}.message.user{background:#e1f6ff;margin-left:20px}.message img{max-width:100%;max-height:170px;display:block;margin-bottom:10px}.chat-bottom{padding:14px;border-top:1px solid;display:grid;gap:9px}.chat-bottom textarea{width:100%;font:inherit;font-size:13px;min-height:70px;resize:vertical;border:1.5px solid;border-radius:10px;padding:12px}.chat-bottom .action{padding:8px 12px;font-size:11px}.chat-buttons{display:flex;gap:8px;flex-wrap:wrap}.chat-bottom .small{font-size:10px}.quote{border-left:3px solid var(--c5);padding:8px;font-size:11px}.mistake-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:22px}.error-list{display:grid;gap:12px;align-content:start}.error-choice{text-align:left;border:1.5px solid;border-radius:12px;padding:16px;background:white;display:block}.error-choice.selected{background:var(--c2)}.error-choice b{display:block;font-size:14px;margin-bottom:8px}.mistake-layout .sheet{margin:0}.empty{padding:40px 20px;text-align:center}.empty p{margin:14px 0 22px}.repeat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.repeat-grid>div{border:1px solid;padding:16px;border-radius:12px;font-size:12px}.repeat-grid b{display:block;font-size:24px;margin-bottom:8px}.calm{background-image:none}.calm .exam-card{box-shadow:2px 2px 0}.calm .num{background:var(--bg);transform:none}.calm .highlight{background:var(--c2);transform:none}.calm .hand{transform:none}.calm .sheet{box-shadow:2px 2px 0}.phone #frame{width:390px;max-width:100%;margin:20px auto;border:2px solid;border-radius:24px;overflow:clip;background-color:var(--bg);box-shadow:10px 10px 0 #1a1a1a22}.phone #chat{position:fixed;inset:0 0 0 auto;width:min(100%,390px);height:100dvh}.phone .chat-launch{right:max(20px,calc((100vw - 350px)/2));bottom:20px}
@media(max-width:850px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.path-note{display:none}.brand-sub{display:none}.problem{flex-direction:column;align-items:flex-start}.login-layout{gap:28px}.mistake-layout{grid-template-columns:1fr}.top{gap:12px;padding:20px 24px}main{padding:30px 24px 90px}.foot{padding:20px 24px}.login-layout{grid-template-columns:1fr}.login-copy{max-width:500px}}
@media(max-width:520px){.top{padding:18px 20px;flex-wrap:wrap}.brand{font-size:20px}.brand-mark{width:32px;height:32px}.exam-pill{font-size:9px;padding:6px 8px}#account{width:100%;justify-content:space-between;font-size:11px}main{padding:28px 20px 90px}.intro{margin-bottom:24px}.intro p{font-size:13px}.cards{grid-template-columns:1fr;gap:14px}.exam-card h3{min-height:0}.card-top{margin-bottom:12px}.group{margin:26px 0}.map-actions{align-items:flex-start;flex-direction:column}.sheet{padding:20px}.type-row{align-items:flex-start;gap:12px}.type-row .arrow{display:none}.task-statement{font-size:18px}.answer-form{align-items:stretch}.answer-form .field{max-width:none;width:100%}.answer-form .action,.answer-form .btn-primary{width:100%;justify-content:center}.task-head{gap:8px;align-items:flex-start}.tag{font-size:10px}.repeat-grid{grid-template-columns:1fr}.repeat-grid b{font-size:20px}.foot{display:block;font-size:10px;padding:20px}.foot span{display:block;margin-top:8px}.login-layout{padding:12px 0}.login-form{margin-top:0}.summary-row{gap:12px}.review{padding:8px 16px;gap:12px}.review span{display:none}}
@media(max-width:980px){#workspace:has(#chat:not([hidden])) main{padding-right:24px}#chat{position:fixed;inset:0 0 0 auto;width:min(100%,390px);height:100dvh;box-shadow:-15px 0 60px #0003}.review{flex-wrap:wrap;gap:4px 12px}.review span{display:none}.chat-launch{right:20px}.foot{margin:0 24px}}[hidden]{display:none!important}
/* Правки этапа 1: согласован дизайн А, сообщения и инструменты чата. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.composer{border:2px solid var(--fg);border-radius:18px;background:white;padding:10px;display:grid;gap:6px}
.chat-bottom .composer textarea{border:0;border-radius:8px;padding:8px;min-height:66px;max-height:160px;resize:vertical;background:transparent;box-shadow:none}
.composer-tools{display:flex;justify-content:space-between;align-items:center;gap:12px}
.attach-button,.send-button{width:40px;height:40px;min-height:40px;border-radius:50%;display:grid;place-items:center;font-size:24px;font-weight:600;line-height:1}
.attach-button{border:1px solid #ccc;background:var(--bg)}.send-button{background:var(--fg);color:white;border:1px solid var(--fg)}
.context-actions{margin:8px 14px;padding:8px;font-size:12px}.context-actions .action{font-size:11px;padding:8px 12px}
#chat{height:calc(100dvh - 44px)}#chat .messages{min-height:80px}#chat .chat-bottom{flex-shrink:0}.chat-bottom .small{font-size:10px}
.selection-quote{position:fixed;z-index:200;background:var(--fg);color:white;border:1.5px solid var(--fg);border-radius:12px;padding:9px 14px;font-size:12px;font-weight:700;min-height:40px;box-shadow:3px 3px 0 var(--c2)}
.selection-quote:after{content:'';position:absolute;bottom:-6px;left:calc(50% - 5px);width:10px;height:10px;background:var(--fg);transform:rotate(45deg)}
.task-feedback{font-size:14px;font-weight:800;color:#8e1739;margin:18px 0}
.mistake-chat{padding:0;overflow:hidden;max-width:850px;margin:24px auto 0;display:flex;flex-direction:column;height:670px;max-height:85dvh}
.mistake-chat .messages{min-height:120px;flex:1}.mistake-chat .message{max-width:90%;align-self:flex-start}.mistake-chat .message.user{align-self:flex-end;background:#e1f6ff}.mistake-chat .error-list{margin-top:14px}.mistake-chat .error-choice{background:white}
@media(max-width:980px){#chat{height:100dvh}}
@media(max-width:520px){.mistake-chat{height:660px;max-height:none;margin-left:-4px;margin-right:-4px}.mistake-chat .chat-head{padding:16px}.mistake-chat .chat-head .small{display:none}.mistake-chat .message{max-width:100%}}
.composer textarea:focus-visible{outline:none}.composer:focus-within{outline:3px solid var(--c7);outline-offset:3px}
/* Приложение этапа 2: общий визуальный язык согласованного дизайна А. */
.workspace{max-width:1320px;margin:auto}.account{display:flex;align-items:center;gap:20px;font-size:12px}.account form{margin:0}.logout{text-decoration:underline;font-size:12px}.summary-row{margin-top:24px}.card-note{margin-top:16px}
progress{display:block;width:100%;height:5px;appearance:none;border:0;border-radius:5px;background:#e7e4db;margin:14px 0 9px;overflow:hidden}progress::-webkit-progress-bar{background:#e7e4db}progress::-webkit-progress-value{background:var(--fg)}progress::-moz-progress-bar{background:var(--fg)}
.login-form>input:not([type=hidden]){width:100%;min-height:50px;padding:13px 16px;border:2px solid var(--fg);border-radius:12px;background:white;color:var(--fg);font:500 15px var(--font-body)}.login-form .field{margin:20px 0 8px}.login-form .field-error{margin:14px 0}.login-note{margin-top:22px}.login-form [aria-invalid=true]{border-color:#8e1739!important}
.demo-label{font-size:11px;font-weight:700;color:#4c401c;display:inline-block;margin-top:14px;padding:6px 10px;border:1px solid;border-radius:8px;background:var(--c2)}
.chat-panel#chat{position:fixed;top:0;right:0;bottom:0;height:100dvh;width:min(390px,100vw);z-index:100;box-shadow:-15px 0 60px #0003;min-width:0}.chat-backdrop{position:fixed;inset:0;background:#1a1a1a33;z-index:90}.chat-head button{min-width:44px}.messages{min-height:0}.chat-panel .messages{flex:1}.chat-panel .chat-bottom{background:white}.chat-panel textarea:disabled,.mistake-chat textarea:disabled{background:#f5f2ea;opacity:1;color:#5c5851}.composer textarea:focus-visible{outline:none}.composer:focus-within{outline:3px solid var(--c7);outline-offset:3px}
.theory p{max-width:740px}.example p{margin-top:10px}.empty p{max-width:550px;margin:16px auto 24px}.foot{margin:0 auto}.mistake-chat{height:500px;max-height:none}
@media(max-width:650px){.top{padding:18px 20px;gap:12px;flex-wrap:wrap}.account{width:100%;justify-content:space-between;gap:12px}.exam-pill{font-size:10px}.brand-sub{display:none}.brand{font-size:20px}.brand-mark{width:32px;height:32px}.chat-launch{right:20px;bottom:20px}.foot{margin:0 20px}.intro h1{font-size:clamp(30px,8.5vw,44px)}}

/* Замечания заказчика к карте, 31 октября 2026. */
.group-head:after{content:none;display:none}.header-mistakes{margin-left:auto;white-space:nowrap}.top{gap:20px}@media(max-width:650px){.header-mistakes{font-size:11px;padding:10px 12px}.top{gap:12px}.brand{gap:8px}}

.mistakes-entry{display:flex;justify-content:flex-start;margin:0 0 30px}.account{margin-left:auto}
.bank-statement{font-size:18px;line-height:1.7;overflow-wrap:anywhere}.bank-statement img{max-width:100%;height:auto}.bank-statement .formula{display:inline;padding:0;border:0;background:none;margin:0}.bank-statement .illustration{display:block;margin:20px auto}

.theory-heading{margin-top:24px}.theory-steps{padding-left:24px;line-height:1.65;max-width:760px}.theory-steps li{padding-left:6px;margin:10px 0}.theory-pitfall{border-left:4px solid var(--c2);padding-left:16px;margin-top:22px!important}
#chat-error{padding:0 16px;font-size:12px}#photo-confirm{padding:12px 16px;background:var(--bg);max-height:34dvh;overflow:auto;font-size:12px;line-height:1.5;border-top:1px solid}#photo-confirm .action{font-size:11px;padding:8px 12px;margin:8px 8px 0 0}#chat .chat-bottom .small{font-size:11px}.older{font-size:11px}.message{flex-shrink:0}#chat .message img{width:100%;max-height:180px;object-fit:contain}

/* AI waiting and reply reveal; reduced motion keeps the complete response visible. */
.typing-indicator{display:flex;align-items:center;gap:6px;align-self:flex-start;min-height:44px}
.typing-indicator span{width:7px;height:7px;border-radius:50%;background:currentColor;animation:chat-typing 1.2s infinite ease-in-out}
.typing-indicator span:nth-child(2){animation-delay:.15s}.typing-indicator span:nth-child(3){animation-delay:.3s}
@keyframes chat-typing{0%,60%,100%{opacity:.35;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}
.typing-text::after{content:'▍';animation:chat-caret .8s steps(1) infinite}
@keyframes chat-caret{50%{opacity:0}}
@media(prefers-reduced-motion:reduce){.typing-indicator span,.typing-text::after{animation:none}.typing-text::after{display:none}}
/* Mobile sheets reach the viewport edges; controls retain a small touch gutter. */
@media(max-width:650px){
 #main{padding-left:12px;padding-right:12px}
 #training-task.sheet,.sheet.theory,.sheet.theory-access{margin-left:-12px;margin-right:-12px;padding:18px 4px;border-left:0;border-right:0;border-radius:0;box-shadow:none}
 #training-task>img{display:block;width:100%;max-width:100%;height:auto}
 #training-task .task-head,#training-task .answer-form,#training-task .next,.sheet.theory summary,.sheet.theory>p,.sheet.theory>h3,.sheet.theory-access>p,.sheet.theory-access>button{margin-left:8px;margin-right:8px}
 .sheet.theory .formula{padding:12px;overflow-wrap:anywhere}
}

.notification-settings{margin:0 0 22px}.notification-settings .small{margin-top:8px}.review-schedule .repeat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.repeat-grid p{font-size:12px;margin-top:8px}@media(max-width:650px){.repeat-grid{grid-template-columns:1fr!important}.notification-settings .action{max-width:100%}}
@media(max-width:650px){.type-row{flex-wrap:wrap;gap:12px}.type-row .type-copy{flex-basis:100%;min-width:0}.type-row .due{margin-top:0}.type-row .arrow{margin-left:auto}}

.home-actions{display:flex;align-items:center;gap:14px}.home-actions .action{white-space:nowrap}@media(max-width:650px){.home-actions{gap:8px}.home-actions .action{font-size:11px;padding:10px 12px}}

.control-task-head{display:block}.control-instruction{margin-top:8px;font-size:13px}
#mistakes-practice{height:760px;max-height:none;padding:0;overflow:hidden;display:flex;flex-direction:column}#mistakes-practice .messages{min-height:180px}#mistake-options{display:flex;gap:8px;overflow-x:auto;padding:12px;border-top:1px solid #ddd;flex-shrink:0}#mistake-options .error-choice{min-width:190px;max-width:230px;font-size:12px;padding:10px}#mistake-options .error-choice span{display:block;margin-top:5px}#mistake-error{padding:0 14px}#mistake-form .composer-tools{justify-content:space-between}#mistake-form .action{font-size:11px;padding:8px 12px}#mistake-form textarea{min-height:115px}.mistake-chat .message{max-width:100%}@media(max-width:650px){#mistakes-practice{height:800px;margin-left:-12px;margin-right:-12px;border-left:0;border-right:0;border-radius:0;box-shadow:none}}

/* Responsive layouts are viewport queries: the production page has no #frame container. */
@media(max-width:850px){.login-layout{grid-template-columns:minmax(0,1fr);gap:24px;padding:16px 0}.login-copy{max-width:100%}.login-form{width:100%;max-width:480px;margin:0 auto}.intro>div:first-child{min-width:0}}
@media(max-width:650px){.login-copy h1{font-size:clamp(32px,9vw,44px)}.login-copy p{margin-top:14px;font-size:14px}.login-copy .hand{display:none}.login-form{padding:22px 18px}.login-form h2{font-size:25px}.login-form input{font-size:16px;min-width:0}.intro{display:block}.intro h1{font-size:clamp(30px,8.5vw,44px)}.intro p{font-size:14px}.home-actions{gap:8px}.home-actions .action{flex:1;min-width:0;font-size:11px;padding:10px 8px;white-space:normal;text-align:center}.cards{grid-template-columns:1fr}.exam-card{padding:18px}.exam-card h3{min-height:0}.top .account{margin-left:0}.login-layout .sheet{margin-top:0}}
@media(max-width:650px){.login-form>input:not([type=hidden]){font-size:16px}}