:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#152139;background:#f5f7fb;font-synthesis:none;--blue:#4c7dff;--muted:#79869c;--line:#e8edf5;--navy:#142139;--green:#36a894}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{border:0;background:none;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #86a6ff;outline-offset:4px}button:disabled{cursor:default;opacity:.5}a{color:inherit;text-decoration:none}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}aside{position:fixed;inset:0 auto 0 0;width:224px;background:#f9fbfd;border-right:1px solid var(--line);padding:30px 18px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;align-items:center;gap:10px;font-weight:750;font-size:23px;letter-spacing:-.8px;margin:0 9px 46px}.brandmark{display:grid;place-items:center;width:36px;height:36px;background:var(--blue);border-radius:50%;color:white}.brandmark svg{width:25px;height:25px}nav{display:grid;gap:9px}.nav-item{display:flex;align-items:center;gap:14px;height:48px;padding:0 18px;border-radius:12px;font-size:16px;color:#768299;font-weight:550}.nav-item:hover{background:#edf2fa}.nav-item.active{background:#eaf0ff;color:var(--blue)}.side-bottom{margin-top:auto;display:grid;gap:12px}.member-link{border:1px solid #e2e9f5;border-radius:12px;padding:14px;font-size:13px;line-height:1.8;background:#fff;color:var(--muted)}.member-link strong{display:block;color:#324464;font-size:14px}.member-link span{color:var(--blue)}main{margin-left:224px;padding:0 40px 40px;min-height:100vh;max-width:1800px}.topbar{height:90px;display:flex;align-items:center;justify-content:flex-end;gap:16px}.topbar .round{width:38px;height:38px;background:white;border:1px solid #edf1f7}.avatar{background:#dce6fa;border-radius:50%;width:38px;height:38px;display:grid;place-items:center;color:#5676af;font-weight:650}.round{border-radius:50%;display:inline-grid;place-items:center}.page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:12px 0 30px}.eyebrow{font-size:12px;letter-spacing:1.8px;color:var(--muted);text-transform:uppercase;margin:0 0 9px}h1{font-size:30px;line-height:1.3;letter-spacing:-.6px;margin:0;font-weight:700}h2{font-size:20px;margin:0;line-height:1.4}h3{font-size:17px;line-height:1.5;margin:0}.subtitle{font-size:15px;color:var(--muted);margin:10px 0 0;line-height:1.7}.head-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 20px;border-radius:9px;font-size:14px;font-weight:600;border:1px solid #e1e7f1;background:white;transition:background .15s,transform .15s}.btn:hover{background:#f0f4fb}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}.btn.primary:hover{background:#283c60}.btn.blue{background:var(--blue);color:white;border-color:var(--blue)}.btn.quiet{background:#edf1f7;border-color:transparent;color:#5c6a80}.muted{color:var(--muted)}.resume{display:grid;grid-template-columns:1.12fr 1fr;min-height:252px;border-radius:16px;overflow:hidden;background:white;border:1px solid #edf1f7}.resume-copy{padding:28px 30px}.resume-inner{display:flex;align-items:center;gap:21px;margin-top:23px}.resume-thumb{width:112px;height:112px;object-fit:cover;border-radius:11px}.resume-inner p{font-size:14px;color:var(--muted);margin:7px 0 17px}.resume-photo{width:100%;height:100%;max-height:292px;object-fit:cover}.section-head{display:flex;align-items:center;justify-content:space-between;margin:32px 0 18px}.text-btn{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:8px}.text-btn:hover{color:var(--blue)}.cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}.scene-card{text-align:left;padding:0;border:1px solid #e9eef6;border-radius:12px;background:white;overflow:hidden;transition:transform .18s,box-shadow .18s}.scene-card:hover{transform:translateY(-4px);box-shadow:0 10px 22px #2234530c}.scene-card img{display:block;width:100%;aspect-ratio:1.45;object-fit:cover}.scene-info{padding:15px 14px 17px}.scene-info p{font-size:13px;color:var(--muted);margin:7px 0 0;display:flex;gap:6px;align-items:center}.scene-info svg{width:15px;height:15px}.scene-info h3{font-size:15px}.bottom-note{display:flex;align-items:center;gap:9px;color:#93a0b4;font-size:13px;margin-top:26px}.practice-head{display:flex;align-items:center;gap:16px}.practice-head .btn{font-size:13px;min-height:36px;padding:8px 12px}.stepper{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px}.stepper span{margin-right:9px}.stepper i{display:block;width:8px;height:8px;border-radius:50%;background:#d7dfed}.stepper i.done{background:var(--blue)}.conversation-layout{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(290px,1fr);gap:24px}.video{position:relative;aspect-ratio:4/3;border-radius:14px;overflow:hidden;background:#e4e8ee}.video img{width:100%;height:100%;object-fit:cover}.video:after{content:"";position:absolute;inset:60% 0 0;background:linear-gradient(transparent,#0003);pointer-events:none}.video-tools{position:absolute;top:18px;left:18px;right:18px;display:flex;justify-content:space-between;z-index:1}.video-tools button{background:#111a2466;color:white;border:1px solid #ffffff50;width:36px;height:36px}.bubble{position:absolute;right:20px;bottom:24px;max-width:78%;background:#fffffff2;border:1px solid #ffffffb0;border-radius:14px 14px 3px 14px;padding:17px 20px;font-size:17px;line-height:1.5;z-index:1;box-shadow:0 6px 24px #0001}.bubble small{display:block;font-size:12px;color:#7c8799;margin-bottom:5px}.controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;padding:0 10px}.control{display:flex;flex-direction:column;align-items:center;gap:9px;color:var(--muted);font-size:13px}.control .round{width:40px;height:40px;background:white;border:1px solid var(--line)}.control.mic{color:#516485;margin:0 auto}.mic .round{width:72px;height:72px;background:var(--blue);border:4px solid white;color:#fff;box-shadow:0 7px 20px #4c7dff35}.mic svg{width:32px;height:32px}.mic.recording .round{background:#e96378;animation:pulse 1s infinite}.task-panel{background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden;align-self:start}.tabs{display:flex;border-bottom:1px solid var(--line)}.tabs button{flex:1;min-height:56px;font-size:15px;color:var(--muted);position:relative}.tabs button.active{color:var(--blue);font-weight:600}.tabs button.active:after{content:"";height:3px;width:44px;background:var(--blue);position:absolute;bottom:0;left:calc(50% - 22px);border-radius:4px}.task-body{padding:24px}.task-body>p{font-size:15px;color:#718099;line-height:1.85;margin:10px 0 22px}.checklist{list-style:none;padding:0;display:grid;gap:22px;margin:24px 0 28px}.checklist li{display:flex;align-items:center;gap:12px;font-size:14px;line-height:1.5;color:#6e7b90}.check-circle{border:1.5px solid #adb9cb;width:21px;height:21px;border-radius:50%;flex-shrink:0;display:grid;place-items:center}.check-circle.complete{border-color:var(--green);background:var(--green);color:white}.check-circle svg{width:14px;height:14px}.help-card{border-top:1px solid var(--line);padding-top:20px;display:flex;align-items:center;gap:12px}.help-card img{width:80px;height:86px;object-fit:cover;border-radius:9px}.help-card h3{font-size:14px}.help-card 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85%);border-radius:50%;padding:7px;flex-shrink:0}.score-inner{background:white;width:100%;height:100%;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column}.score strong{font-size:38px;line-height:1.2;letter-spacing:-1px}.score span{font-size:12px;color:var(--muted);margin-top:3px}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;width:100%}.metric header{display:flex;justify-content:space-between;gap:6px;font-size:14px;margin-bottom:14px}.metric header span{color:var(--muted)}.bar{height:7px;border-radius:6px;background:#e9edf4;overflow:hidden}.bar i{display:block;height:100%;border-radius:6px;background:var(--color);width:var(--value)}.feedback-head{display:flex;align-items:center;gap:30px;margin:30px 0 20px}.filters{display:flex;gap:7px}.filters button{font-size:14px;color:var(--muted);padding:10px 18px;border-radius:9px}.filters .active{background:#e7edfa;color:#243858;font-weight:600}.feedback-list{display:grid;gap:12px}.feedback-row{background:white;border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:26px minmax(0,1fr) minmax(0,1.15fr) auto;gap:20px;align-items:center;min-height:104px;padding:20px 24px;font-size:14px;line-height:1.65}.status{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#42ad96;color:white}.status.warning{background:#f1ac40}.status svg{width:15px;height:15px}.suggestion{color:#7a879a;border-left:1px solid var(--line);padding-left:24px}.suggestion em{color:#359b8a;font-style:normal}.feedback-row .btn{min-height:36px;padding:7px 15px;font-size:13px}.billing{display:flex;align-items:center;border:1px solid var(--line);border-radius:12px;padding:5px;background:#edf1f7}.billing button{font-size:14px;padding:10px 20px;border-radius:8px;color:#6f7d91}.billing button.active{background:white;color:#23334c;box-shadow:0 2px 7px #1729480a}.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding-top:16px}.plan{position:relative;background:white;border:1px solid var(--line);border-radius:14px;min-height:420px;padding:30px 26px;display:flex;flex-direction:column}.plan.featured{border:2px solid var(--blue);padding:29px 25px;box-shadow:0 8px 30px #4c7dff0a}.badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--blue);border-radius:20px;padding:6px 20px;color:white;font-size:12px;white-space:nowrap}.plan.featured h3{color:var(--blue)}.price{font-size:40px;font-weight:750;letter-spacing:-1.6px;margin:14px 0 7px}.price span{font-size:14px;letter-spacing:0;font-weight:400;color:var(--muted)}.plan-description{font-size:14px;color:var(--muted);margin:0;line-height:1.7}.plan ul{list-style:none;padding:0;margin:30px 0;display:grid;gap:18px}.plan li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.5}.plan li svg{width:17px;height:17px;color:var(--blue);margin-top:2px}.plan .btn{width:100%;margin-top:auto}.pricing-note{text-align:center;color:var(--muted);font-size:12px;line-height:1.8;margin-top:24px}.empty{padding:50px 20px;text-align:center;border:1px solid var(--line);background:white;border-radius:14px;color:var(--muted)}.empty h2{color:#263852;margin:15px 0}.empty p{line-height:1.8;font-size:14px;margin-bottom:24px}.history-row{background:white;border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;align-items:center;gap:20px}.history-row img{width:80px;height:64px;object-fit:cover;border-radius:9px}.history-row .btn{margin-left:auto}dialog{width:min(580px,calc(100% - 32px));padding:28px;border:1px solid var(--line);border-radius:18px;color:#152139;box-shadow:0 20px 80px #14213930}dialog::backdrop{background:#1c2d4c55;backdrop-filter:blur(4px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}.dialog-head button{padding:5px}.dialog-copy{color:var(--muted);line-height:1.8;font-size:14px}.dialog-scenes{display:grid;gap:9px}.dialog-scenes button{text-align:left;background:#f5f7fb;padding:15px;border-radius:10px;display:flex;align-items:center;gap:15px}.dialog-scenes img{width:60px;height:45px;object-fit:cover;border-radius:6px}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);padding:13px 22px;background:#17263f;color:white;border-radius:11px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:30;max-width:90vw}#toast.show{opacity:1;transform:translate(-50%,0)}@keyframes pulse{50%{box-shadow:0 0 0 10px #e9637815}}@media(min-width:1600px){main{padding-left:56px;padding-right:56px}.resume{min-height:290px}.resume-photo{max-height:320px}}@media(max-width:1150px){aside{width:190px;padding:25px 12px}.brand{font-size:20px;gap:7px}.brandmark{width:32px;height:32px}main{margin-left:190px;padding:0 26px 32px}.cards{gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}.conversation-layout{grid-template-columns:minmax(0,1.45fr) minmax(265px,1fr);gap:18px}.task-body{padding:20px}.metrics{gap:17px}.summary{gap:25px;padding:22px}.feedback-row{gap:13px;padding:18px}.plan{padding:27px 20px}.plan.featured{padding:26px 19px}.plans{gap:14px}.practice-head{flex-wrap:wrap}}@media(max-width:850px){aside{width:76px;padding:22px 12px}.brand{margin:0 auto 30px}.brand>span:last-child,.nav-item>span,.member-link{display:none}.nav-item{padding:0;justify-content:center}.nav-item svg{width:23px;height:23px}main{margin-left:76px;padding:0 24px 30px}.conversation-layout{grid-template-columns:1fr}.video{aspect-ratio:16/10}.task-panel{margin-top:12px}.metrics{grid-template-columns:repeat(2,1fr);gap:22px}.plans{grid-template-columns:1fr}.plan{min-height:360px}.feedback-row{grid-template-columns:24px 1fr auto}.suggestion{grid-column:2/4;border:0;padding:0}.feedback-row>.btn{grid-column:3;grid-row:1}.page-head{align-items:flex-start;flex-wrap:wrap}.resume-copy{padding:25px}.resume-inner{gap:12px}.resume-thumb{width:74px;height:90px}.resume{grid-template-columns:1.2fr 1fr}.feedback-head{flex-wrap:wrap;gap:14px}.topbar{height:76px}}@media(max-width:540px){aside{position:fixed;inset:auto 0 0;width:100%;height:66px;border-top:1px solid var(--line);border-right:0;padding:6px 8px;background:#fffffff7;backdrop-filter:blur(10px)}aside .brand,.side-bottom{display:none}nav{display:flex;justify-content:space-around;gap:2px}.nav-item{flex-direction:column;gap:2px;height:52px;padding:4px 12px;font-size:10px}.nav-item>span{display:block;font-size:10px}.nav-item svg{width:19px;height:19px}main{margin-left:0;padding:0 18px 96px}.topbar{height:66px;gap:10px}.page-head{margin:8px 0 24px;gap:15px}h1{font-size:25px}.subtitle{font-size:14px}.resume{grid-template-columns:1fr}.resume-copy{padding:22px}.resume-photo{height:155px;grid-row:1;object-position:50% 55%}.resume-thumb{width:80px;height:80px}.resume-inner{margin-top:17px;gap:18px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.scene-info{padding:13px 11px}.scene-info h3{font-size:14px}.scene-card img{aspect-ratio:1.4}.section-head{margin-top:26px}.bottom-note{align-items:flex-start;line-height:1.7}.practice-head h1{font-size:23px}.practice-head{gap:10px}.stepper{font-size:12px}.bubble{font-size:14px;padding:12px 15px;bottom:16px;right:13px}.video{aspect-ratio:4/3}.controls{padding:0;gap:6px}.control.mic .round{width:65px;height:65px}.summary{flex-direction:column;gap:25px}.score{width:115px;height:115px}.metrics{gap:24px;width:100%}.filters{gap:0;flex-wrap:wrap}.filters button{padding:9px 13px}.feedback-head{margin-top:26px}.feedback-row{padding:17px 13px;gap:11px;font-size:13px}.feedback-row .btn{padding:6px 10px}.billing button{padding:10px 19px}.plan{min-height:390px}.head-actions .btn{padding:9px 14px;min-height:39px}.history-row{gap:12px;padding:15px}.history-row .btn{font-size:12px;padding:8px}.practice-answer{flex-wrap:wrap}.practice-answer input{width:100%;flex-basis:100%}}

/* Lollipop-derived application system: semantic colors and restrained surfaces. */
:root{--accent:#191919;--blue:var(--accent);--navy:#1a1d2e;--muted:#666;--line:#eee;--green:#166534;--surface:#f8f8f8;--subtle:#767676;--radius-panel:12px;--radius-large:20px;color:#171717;background:#fff;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB",system-ui,"Segoe UI","Microsoft YaHei",sans-serif}
body{background:#fff}body[data-page=home]{background:radial-gradient(ellipse at 80% 63%,#eaf0fd 0,transparent 62%),radial-gradient(ellipse at 15% 95%,#f6eef9 0,transparent 55%),#fafbfe;background-attachment:fixed}button,input,textarea{font:inherit}svg{stroke-width:2}aside{width:240px;inset:16px auto 16px 16px;border:1px solid var(--line);border-radius:var(--radius-large);background:#fafafa;padding:24px 16px}body[data-page=home] aside{background:#ffffff99;border-color:#fff}.brand{font-size:22px;font-weight:600;margin:0 8px 32px;letter-spacing:-.02em}.brandmark{background:var(--accent);width:32px;height:32px}.brandmark svg{width:24px;height:24px}.nav-item{font-weight:500;color:var(--muted);height:44px;padding:0 16px;gap:12px}.nav-item.active{background:#1919190a;color:var(--accent)}.nav-item:hover{background:#1919190a}.nav-item svg{width:20px;height:20px}.member-link{box-shadow:none;border-color:var(--line);font-size:12px}.member-link strong{font-weight:500;color:var(--accent)}.member-link span{color:var(--muted)}main{margin-left:280px;padding:0 40px 40px;max-width:1280px}.topbar{height:80px;gap:12px}.topbar .round{border-color:transparent}.avatar{background:#f0f0f0;color:var(--accent);font-weight:500}.round{border-radius:12px}.topbar svg{width:20px;height:20px}h1{font-size:32px;font-weight:600;line-height:1.1;letter-spacing:-.02em}h2{font-size:20px;font-weight:500;line-height:1.3}h3{font-weight:500}.subtitle{font-size:14px;line-height:1.6;color:var(--muted)}.eyebrow{display:none}.page-head{margin:24px 0 32px}.btn{border-radius:12px;font-size:14px;font-weight:500;border-color:var(--line);transition:background 120ms ease,border-color 120ms ease;min-height:44px;padding:10px 20px}.btn.primary,.btn.blue{background:var(--accent);border-color:var(--accent);font-weight:600;color:#fff}.btn.primary:hover,.btn.blue:hover{background:#000}.btn:hover{background:var(--surface);border-color:#d1d5db}.btn:active{transform:none}.btn.quiet{background:var(--surface);color:var(--muted)}.btn svg{display:none}.btn[data-action=switch] svg{display:block;width:16px;height:16px}.text-btn{min-height:44px;color:var(--muted)}.text-btn svg{display:none}.text-btn:hover{color:var(--accent)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.resume{border-radius:20px;border-color:var(--line)}.resume-copy{padding:24px}.resume-inner{gap:24px}.resume-thumb{border-radius:12px}.section-head{margin:32px 0 16px}.cards{gap:16px}.scene-card{border-color:var(--line);border-radius:20px;transition:border-color 120ms ease;background:white}.scene-card:hover{transform:none;box-shadow:none;border-color:#d1d5db}.scene-info{padding:16px}.scene-info h3{font-size:16px;font-weight:500}.scene-info p{font-size:12px;color:var(--subtle)}.scene-info svg{display:none}.bottom-note{color:var(--subtle);font-size:12px}.bottom-note svg{display:none}.video{border-radius:20px}.bubble{font-size:16px;box-shadow:none;border-radius:16px 16px 4px 16px}.bubble small{color:var(--subtle)}.task-panel{border-radius:20px}.task-body{padding:24px}.task-body>p{font-size:14px;color:var(--muted)}.tabs{border:none;margin:0 24px;border-bottom:1px solid var(--line)}.tabs button{font-size:14px;min-height:56px}.tabs button.active{font-weight:500}.tabs button.active:after{height:2px}.checklist li{color:var(--muted)}.check-circle.complete{background:var(--accent);border-color:var(--accent)}.help-card .btn{background:var(--surface);font-size:12px}.mic .round{background:var(--accent);border-radius:50%;box-shadow:none}.control,.control.mic{color:var(--muted)}.control .round{border-color:var(--line)}.practice-answer input{border-color:var(--line);border-radius:12px}.demo-note{color:var(--subtle)}.stepper{color:var(--subtle)}.stepper i{background:#eee}.summary{border-radius:20px;padding:24px;gap:32px}.score{background:conic-gradient(var(--accent) 0 85%,#eee 85%)}.score strong{font-weight:600}.score span{color:var(--muted)}.bar{background:#eee}.filters button{font-size:14px}.filters .active{background:#f0f0f0;color:var(--accent);font-weight:500}.feedback-row{border-radius:12px;gap:16px;padding:24px}.suggestion{color:var(--muted)}.suggestion em{color:var(--green)}.status{background:var(--green)}.status.warning{background:#b45309}.billing{background:var(--surface);box-shadow:none}.billing button.active{box-shadow:none;color:var(--accent)}.plan{border-radius:20px;padding:32px 24px;box-shadow:none}.plan.featured{border:1px solid var(--accent);padding:32px 24px;box-shadow:none}.plan.featured h3{color:var(--accent)}.badge{background:var(--accent)}.price{font-weight:600}.plan li svg{color:var(--accent)}.empty{border:0;max-width:440px;margin:40px auto}.empty h2{color:var(--accent)}dialog{border-radius:20px;padding:32px;box-shadow:0 20px 40px #00000014}dialog::backdrop{background:#000c;backdrop-filter:none}.dialog-head button{border-radius:12px;width:32px;height:32px;color:var(--muted)}.dialog-scenes button{background:var(--surface);min-height:64px}.history-row{border-radius:12px}.history-row img{border-radius:8px}#toast{background:var(--accent)}
.home-hero{max-width:880px;margin:64px auto 0;text-align:center}.home-kicker{font-size:14px;color:var(--muted);margin:0 0 16px}.home-hero h1{font-size:32px}.home-hero>.subtitle{margin:16px 0 32px}.home-prompt{padding:24px;background:#fff;border:1px solid var(--line);border-radius:20px;text-align:left}.home-prompt textarea{display:block;resize:vertical;width:100%;min-height:104px;max-height:240px;border:0;background:transparent;line-height:1.6;font-size:16px;color:var(--accent);padding:0}.home-prompt textarea::placeholder{color:var(--subtle)}.prompt-toolbar{display:flex;align-items:center;gap:16px;margin-top:16px}.prompt-toolbar>.btn{margin-left:auto;white-space:nowrap}.prompt-toolbar .text-btn{border:1px solid var(--line);border-radius:9999px;padding:8px 16px;font-size:14px}.prompt-hint{font-size:12px;color:var(--subtle)}.suggestions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:24px}.suggestions button{border:1px solid #fff;background:#ffffffb3;padding:10px 16px;border-radius:9999px;font-size:14px;min-height:44px}.suggestions button:hover{border-color:#d1d5db;background:white}.home-demo{color:var(--subtle);font-size:12px;margin:16px 0 0}.home-discover{max-width:1040px;margin:56px auto 0}.home-discover .section-head{align-items:center}.home-discover .subtitle{margin-top:8px}.home-discover .cards{grid-template-columns:repeat(3,minmax(0,1fr))}.home-discover .scene-card img{aspect-ratio:2.1}.home-discover .scene-card{background:#ffffffb3;border-color:#fff}.home-result{max-width:880px;margin:32px auto}.request-bubble{background:#19191908;border-radius:16px;padding:16px 20px;margin:0 0 24px auto;max-width:80%;width:fit-content;overflow-wrap:anywhere;font-size:14px}.match-list{display:grid;gap:12px;margin-top:24px}.match-list button{display:flex;align-items:center;gap:16px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.match-list img{width:80px;height:64px;object-fit:cover;border-radius:8px}.match-list strong{display:block;font-size:16px;font-weight:500}.match-list small{display:block;color:var(--muted);font-size:14px;margin-top:8px}.match-action{margin-left:auto;white-space:nowrap;font-size:14px}
@media(min-width:1600px){main{padding-left:40px;padding-right:40px;margin-right:auto;margin-left:max(280px,calc((100vw - 1000px)/2))}}
@media(max-width:1150px){aside{width:200px}main{margin-left:232px;padding:0 24px 32px}.brand{font-size:20px}.home-hero{margin-top:40px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:850px){aside{width:72px;inset:12px auto 12px 12px;padding:20px 8px}.brand{margin:0 auto 24px}.nav-item{padding:0}.nav-item svg{width:20px;height:20px}main{margin-left:96px;padding:0 24px 32px}.home-hero{margin-top:32px}.prompt-hint{display:none}.home-discover .cards{grid-template-columns:repeat(2,minmax(0,1fr))}.home-discover .scene-card:last-child{display:none}.home-hero h1{font-size:28px}.plans{gap:24px}}
@media(max-width:540px){aside{inset:auto 0 0;width:100%;height:72px;border-radius:0;padding:8px;border:0;border-top:1px solid var(--line);background:#fff}main{margin-left:0;padding:0 16px 96px}.nav-item{padding:4px 10px;height:52px}.nav-item>span{font-size:12px}.nav-item svg{width:20px;height:20px}.home-hero{margin-top:24px}.home-hero h1{font-size:26px;line-height:1.3}.home-kicker{font-size:12px}.home-prompt{padding:16px}.home-prompt textarea{min-height:120px;font-size:16px}.prompt-toolbar{gap:8px}.prompt-toolbar .btn{padding:10px 16px}.suggestions{justify-content:flex-start;gap:8px;margin-top:16px}.suggestions button{font-size:12px;padding:8px 12px}.home-demo{text-align:left;line-height:1.6}.home-discover{margin-top:40px}.home-discover .cards{grid-template-columns:1fr}.home-discover .scene-card:last-child{display:block}.home-discover .section-head{gap:16px;align-items:flex-start}.home-discover .text-btn{font-size:12px;white-space:nowrap}.home-discover h2{font-size:18px}.home-discover .subtitle{font-size:12px}.match-list button{flex-wrap:wrap}.match-list img{width:56px;height:56px}.match-list button>span:not(.match-action){flex:1}.match-action{margin-left:72px}.request-bubble{max-width:95%}.page-head h1{font-size:26px}.cards{grid-template-columns:1fr}.summary{gap:24px}.feedback-row{padding:16px}.task-body{padding:24px}.scene-card img{aspect-ratio:2}.plan{padding:24px}.plan.featured{padding:24px}.practice-answer .text-btn{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* Reference sidebar geometry: 280px expanded, 72px icon rail. */
:root{--sidebar-width:280px;--sidebar-gap:16px}
aside{width:var(--sidebar-width);padding:20px;transition:width 220ms ease,padding 220ms ease;overflow:hidden}
.sidebar-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:36px;margin-bottom:24px;flex-shrink:0}
.sidebar-heading .brand{margin:0;gap:8px;font-size:22px;white-space:nowrap;letter-spacing:-.04em}
.sidebar-heading .brandmark{flex-shrink:0}.sidebar-toggle{display:grid;place-items:center;width:32px;height:32px;flex-shrink:0;color:var(--muted);border-radius:8px}.sidebar-toggle:hover{background:#1919190a;color:var(--accent)}.sidebar-toggle svg{width:20px;height:20px}
main{margin-left:calc(var(--sidebar-width) + 40px);margin-right:0;max-width:none;padding-left:32px;padding-right:40px;transition:margin-left 220ms ease}
body[data-collapsed=true]{--sidebar-width:72px}
body[data-collapsed=true] aside{padding:20px 8px}
body[data-collapsed=true] .sidebar-heading{flex-direction:column;gap:16px;margin-bottom:20px}
body[data-collapsed=true] .brand>span:last-child,body[data-collapsed=true] .nav-item>span,body[data-collapsed=true] .member-link{display:none}
body[data-collapsed=true] .nav-item{justify-content:center;padding:0}
body[data-collapsed=false] .brand>span:last-child,body[data-collapsed=false] .nav-item>span{display:inline}
body[data-collapsed=false] .member-link{display:block}
body[data-collapsed=false] .nav-item{justify-content:flex-start;padding:0 8px;gap:12px}
body[data-page=home]{background:#f7faff}
.water-background{position:fixed;inset:0;pointer-events:none;z-index:-1;display:none;overflow:hidden;background:radial-gradient(ellipse at 12% 55%,#d7ebff 0,transparent 48%),radial-gradient(ellipse at 88% 45%,#e5e5ff 0,transparent 50%),radial-gradient(ellipse at 60% 95%,#def7fb 0,transparent 48%),#fbfdff}
body[data-page=home]{isolation:isolate}body[data-page=home] .water-background{display:block}
.water-background canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.85;filter:blur(3px)}
/* Frosted glass: opaque fallback, enhanced only where backdrop blur is supported. */
#app-sidebar{background:#f4f8ff;border-color:#ffffffd9;box-shadow:inset 0 1px 0 #fff,0 8px 32px #25446a12}
@supports ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  #app-sidebar{background:linear-gradient(145deg,#ffffff8c,#ffffff40);-webkit-backdrop-filter:blur(32px) saturate(135%);backdrop-filter:blur(32px) saturate(135%)}
}
@media(max-width:540px){#app-sidebar{background:#f7faffd9;-webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%);box-shadow:0 -4px 24px #25446a0d}}
@media(min-width:1600px){main{margin-left:calc(var(--sidebar-width) + 40px);margin-right:0;padding:0 40px 40px}}
@media(min-width:541px) and (max-width:850px){:root{--sidebar-width:240px}body[data-collapsed=true]{--sidebar-width:72px}aside{inset:12px auto 12px 12px}.sidebar-heading .brand{font-size:20px}.sidebar-heading{gap:4px}main{margin-left:calc(var(--sidebar-width) + 32px);padding-left:16px;padding-right:24px}.home-hero h1{font-size:26px}}
@media(max-width:540px){aside{width:100%;padding:8px!important;overflow:visible;transition:none}.sidebar-heading{display:none}main,body[data-collapsed=true] main{margin-left:0;padding:0 16px 96px;transition:none}body[data-collapsed] .nav-item{flex-direction:column;justify-content:center;gap:2px;padding:4px 10px}body[data-collapsed] .nav-item>span{display:block}body[data-collapsed] .member-link{display:none}.water-background canvas{opacity:.7}}

/* Prompt focus belongs to the rounded shell, not the inner text area. */
.home-prompt textarea:focus,
.home-prompt textarea:focus-visible{outline:none;box-shadow:none}
.home-prompt:focus-within{border-color:#d1d5db}
@media(forced-colors:active){.home-prompt:focus-within{outline:2px solid Highlight;outline-offset:2px}}

/* Approved logo, sized against Lollipop's 109 x 24px lockup. */
.sidebar-heading .brand{display:block;width:109px;height:27px;flex-shrink:0;mix-blend-mode:multiply}
.pebble-logo{display:block!important;position:relative;width:109px;height:27px;overflow:hidden}
.pebble-logo img{position:absolute;width:138px;max-width:none;height:auto;left:-15px;top:-31.5px}
body[data-collapsed=true] .sidebar-heading .brand{width:24px;height:24px}
body[data-collapsed=true] .brand .pebble-logo{display:block!important;width:24px;height:24px}
body[data-collapsed=true] .pebble-logo img{width:117px;left:-12.7px;top:-26.1px}

/* Lollipop geometry: centered work area, 32px heading, 16px composer, 18px navigation icons. */
body[data-page=home] main,body[data-page=chat] main{margin-left:calc(var(--sidebar-width) + 24px);padding-left:32px;padding-right:32px;max-width:none}
body[data-page=home] .topbar,body[data-page=chat] .topbar{height:80px}
.home-hero{max-width:896px;margin:48px auto 0;text-align:center}
.home-hero h1{font-size:32px;line-height:1.225;font-weight:600}
.home-hero .home-prompt{margin-top:32px}
.home-prompt{border-radius:30px;padding:20px;min-height:162px}
.home-prompt textarea{font-family:inherit;font-size:16px;line-height:1.55;min-height:62px;resize:none;padding:4px 8px}
.prompt-toolbar{margin-top:16px;gap:12px}
.prompt-toolbar .btn,.prompt-toolbar .text-btn{min-height:36px;font-size:14px;border-radius:999px;padding:7px 14px}
.suggestions{margin-top:24px}.suggestions button{min-height:38px;font-size:14px;padding:8px 16px}
.home-discover{max-width:1136px;margin:56px auto 0}
#app-sidebar nav{gap:8px;flex-shrink:0}
#app-sidebar .nav-item{height:32px;font-size:14px;font-weight:500;border-radius:8px}
#app-sidebar .nav-item svg,.sidebar-toggle svg{width:18px;height:18px}
.chat-history{border-top:1px solid var(--line);margin-top:24px;padding-top:12px;min-height:0;display:flex;flex-direction:column;flex:1;margin-bottom:20px}
.chat-history-heading{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--muted);padding:0 8px 8px}
.chat-history-heading a{font-size:20px;width:28px;text-align:center;border-radius:6px}
.chat-history-list{overflow:auto;min-height:0;display:grid;gap:4px}
.chat-history-item{display:block;padding:8px;border-radius:8px;font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-history-item:hover,.chat-history-item.active,.chat-history-heading a:hover{background:#1919190a;color:var(--accent)}
.side-bottom{flex-shrink:0}body[data-collapsed=true] .chat-history{display:none}
.chat-page{max-width:896px;margin:24px auto 0;min-height:calc(100dvh - 144px);display:flex;flex-direction:column}
.chat-page-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:32px}
.chat-page-heading h1{font-size:20px;line-height:1.4;overflow-wrap:anywhere}
.chat-page-heading a{white-space:nowrap}
.chat-messages{display:grid;gap:28px;padding-bottom:32px}
.chat-message{font-size:16px;line-height:1.75;overflow-wrap:anywhere;white-space:pre-wrap;max-width:100%}
.chat-author{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.chat-message.user{margin-left:auto;max-width:80%;background:#ffffffb3;border:1px solid var(--line);padding:12px 20px;border-radius:20px 20px 4px 20px}
.chat-message.assistant{padding:0 8px}
.chat-composer{margin-top:auto;position:sticky;bottom:0;padding-top:16px}
.chat-note{text-align:center;font-size:12px;color:var(--muted);margin:8px 0}
.mobile-chat-history{display:none}.mobile-history-list{display:grid;gap:8px}.mobile-history-list a{padding:12px;border-radius:8px;background:var(--surface);overflow-wrap:anywhere}
@media(min-width:541px) and (max-width:1000px){.home-hero{margin-top:32px}.home-hero h1{font-size:28px}}
@media(max-width:540px){body[data-page=home] main,body[data-page=chat] main{margin-left:0;padding:0 16px 96px}.home-hero{margin-top:24px}.home-hero h1{font-size:26px}.home-prompt{padding:16px;border-radius:24px}.home-hero .home-prompt{margin-top:24px}.home-prompt textarea{min-height:80px}.suggestions{justify-content:center;flex-wrap:nowrap}.suggestions button{flex:1 1 0;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;padding:8px 12px}#app-sidebar .nav-item{height:52px;font-size:12px}.chat-history{display:none}.mobile-chat-history{display:flex;margin-right:auto}.chat-page{margin-top:16px}.chat-page-heading h1{font-size:18px}.chat-page-heading{gap:12px}.chat-composer{bottom:72px}.chat-message.user{max-width:90%}.chat-page .match-action{margin-left:0}.chat-page .match-list button{gap:8px}}

/* Conversation surface follows the supplied Lollipop reference. */
body[data-page=chat]{background:#fcfcfc;overflow:hidden}
body[data-page=chat] main{height:100dvh;min-height:0;display:flex;flex-direction:column;padding-bottom:24px}
body[data-page=chat] .topbar{height:64px;min-height:64px;flex-shrink:0}
.chat-close{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;color:#777;margin-left:auto}
.chat-close:hover{background:#eee}.chat-close svg{width:18px;height:18px}
.chat-page{width:100%;max-width:780px;flex:1;min-height:0;margin:0 auto;display:flex;flex-direction:column}
.chat-messages{display:flex;flex-direction:column;gap:44px;flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:24px 4px 32px;scrollbar-width:thin}
.chat-message{font-size:16px;line-height:1.75;flex-shrink:0}
.chat-message.user{padding:8px 16px;border:0;border-radius:24px;background:#f0f0f0;max-width:80%;margin-left:auto;align-self:flex-end}
.chat-message.assistant{padding:0 4px;max-width:100%}
.chat-composer{position:static;flex-shrink:0;margin:0;padding-top:20px}
.chat-input-bar.home-prompt{min-height:62px;border-radius:36px;padding:8px;display:flex;align-items:flex-end;gap:8px;border:1px solid #ededed;box-shadow:0 12px 30px #00000008}
.chat-input-bar textarea{min-height:44px;height:44px;max-height:120px;flex:1;width:0;line-height:24px;padding:10px 4px;resize:none;overflow-y:auto}
.chat-add,.chat-send{flex-shrink:0;display:grid;place-items:center;width:44px;height:44px;border-radius:50%}
.chat-add{font-size:21px;color:#888}.chat-add:hover{background:#f3f3f3}
.chat-send{background:#191919;color:#fff}.chat-send svg{width:20px;height:20px;stroke-width:2}
.chat-send:disabled{background:#f4f4f4;color:#888;opacity:1}
@media(max-width:540px){body[data-page=chat] main{height:100dvh;padding-bottom:88px}.chat-messages{gap:28px;padding-top:16px}.chat-composer{padding-top:12px}.chat-input-bar.home-prompt{padding:6px;min-height:58px}.chat-input-bar textarea{font-size:16px}.chat-message.user{max-width:90%}}

/* Text-only scenario square, matching the reference's quiet card hierarchy. */
body[data-page=practice],body[data-page=explore]{background:linear-gradient(150deg,#f7f9ff 5%,#dce7ff 55%,#ede7fc 100%);background-attachment:fixed}
body[data-page=practice] aside,body[data-page=explore] aside{background:#ffffffa6;border-color:#fff}
.catalog-page{padding-top:28px;margin:0 auto;max-width:1440px}
.catalog-tabs{display:flex;gap:24px;margin-bottom:18px}.catalog-tabs button{padding:0;font-size:16px;color:#888;min-height:28px;font-weight:400}.catalog-tabs [aria-selected=true]{color:#191919;font-weight:500}
.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.catalog-filters{display:flex;gap:8px;flex-wrap:wrap}.catalog-filters button{padding:6px 12px;min-height:32px;border-radius:9px;background:#19191906;font-size:14px;color:#60636c;border:1px solid transparent}.catalog-filters [aria-pressed=true]{background:#ffffffb8;border-color:#fff;color:#191919}
.catalog-search{display:flex;align-items:center;gap:8px;border:1px solid #fff;background:#ffffffc2;border-radius:999px;padding:8px 14px;width:240px;max-width:100%;height:34px;margin-left:auto}.catalog-search svg{width:16px;height:16px;color:#888}.catalog-search input{min-width:0;width:100%;background:none;border:0;font-size:14px;outline:none;color:#191919}.catalog-search:focus-within{outline:2px solid #777;outline-offset:2px}
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));gap:16px}
.catalog-card{min-width:0;padding:20px;border:1px solid #fff;border-radius:20px;background:#ffffffb3;display:flex;flex-direction:column;min-height:208px}
.catalog-card-heading{display:flex;align-items:flex-start;gap:8px}.catalog-card h2{font-size:16px;font-weight:400;line-height:1.5;flex:1;overflow-wrap:anywhere;margin:0}.favorite{display:grid;place-items:center;flex-shrink:0;width:24px;height:24px;border-radius:6px;padding:4px;color:#8b8b91}.favorite:hover{background:#19191908;color:#191919}.favorite svg{width:16px;height:16px;stroke-width:1.5}.favorite.saved{color:#191919}.favorite.saved svg{fill:currentColor}
.catalog-goal{font-size:14px;line-height:1.6;color:#777;margin:6px 0 14px;min-height:0}
.catalog-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}.catalog-tags span{font-size:12px;background:#ffffffba;border-radius:6px;padding:4px 8px;color:#808087;line-height:1.3}
.catalog-card-footer{display:flex;align-items:center;gap:12px;border-top:1px solid #fff;padding-top:14px;margin-top:auto}.catalog-card-footer>svg{width:28px;height:28px;background:#fff;border-radius:8px;padding:5px;color:#646b7a}.catalog-card-footer span{font-size:14px;color:#4e5057}.catalog-card-footer small{display:block;font-size:12px;color:#999;margin-top:4px}
.catalog-count{font-size:12px;color:#888;margin:20px 0}.catalog-empty{padding:64px 20px;text-align:center;color:#777}.catalog-empty h2{font-size:18px;color:#333}.catalog-empty p{font-size:14px;line-height:1.7}


@media(max-width:540px){.catalog-search{width:100%}.catalog-page{padding-top:16px}.catalog-card{min-height:200px}.catalog-filters{gap:6px}.catalog-filters button{padding:6px 11px}}

/* Scenario square belongs below the home composer. */
body[data-page=home] .catalog-page{margin:56px auto 0;max-width:1440px;padding-top:0;scroll-margin-top:24px}
@media(max-width:540px){body[data-page=home] .catalog-page{margin-top:40px}#app-sidebar nav{justify-content:space-around}}