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36px;--callout-radius: 12px;--callout-shadow: 0 5px 0 rgba(5,5,5,.18);--callout-arrow-size: 14px;--motion-fast: .1s;--motion-base: .16s;--motion-slow: .24s;--ease-standard: cubic-bezier(.2, 0, 0, 1);--ease-emphasized: cubic-bezier(.16, 1, .3, 1)}html[data-theme=dark],body[data-theme=dark]{--planet-black: #050505;--planet-white: #13272e;--bg: #07171d;--surface: #10242b;--surface-hi: #18343c;--border: #2f5660;--border-hi: #82d2ef;--text: #eaf9fc;--muted: #9bc0c7;--accent: #82d2ef;--accent-dim: #12bcea;--green: #c9ef68;--amber: #fcb831;--error: #ff8e84;--mint: #243a20;--soft-blue: #173947;--streak: #c9ef68;--focus-ring: #fcb831}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{background:var(--bg);font-size:16px;min-height:100%}body{font-family:Space Grotesk,sans-serif;background:linear-gradient(180deg,#dff8ff,#eefbd0 54%,#dff8ff);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}body[data-theme=dark]{background:linear-gradient(180deg,#07171d,#10242b 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2;height:42px;width:42px}.intro-creator-name{align-items:baseline;display:flex;gap:5px;line-height:1;white-space:nowrap}.intro-creator-name>span{font-size:.62rem;font-weight:700;letter-spacing:0;opacity:.72}.intro-creator-name strong{color:#10252c;font-size:.88rem;font-weight:900;letter-spacing:-.025em}.intro-creator-name strong span{color:var(--accent)}.intro-creator-links{display:flex;gap:4px}.intro-social-link{background:transparent;border:1px solid rgba(5,5,5,.2);border-radius:999px;box-shadow:0 2px #05050538;color:#31515a;font-size:.58rem;font-weight:900;line-height:1;padding:4px 7px;text-decoration:none;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease,transform .16s ease}.intro-social-link:hover{text-decoration:none;transform:translateY(-1px)}.intro-social-link:active{box-shadow:none;transform:translateY(1px)}.intro-social-link:focus-visible{outline:3px solid 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var(--ease-standard),transform var(--motion-fast) var(--ease-standard);width:44px;z-index:6}.intro-nav-btn:hover:not(:disabled){background:var(--planet-lime)}.intro-nav-btn:active:not(:disabled){transform:translateY(calc(-50% + 2px))}.intro-nav-btn:disabled{cursor:default;opacity:.22}.intro-nav-previous{left:14px}.intro-nav-next{right:14px}body[data-theme=dark] .intro-nav-btn{background:#10242be6;color:var(--text)}.intro-scene{align-items:center;display:grid;inset:0;opacity:0;overflow-wrap:anywhere;padding:clamp(32px,6vw,86px) clamp(66px,7vw,96px);pointer-events:none;position:absolute;transform:scale(1.025);transition:opacity .65s var(--ease-standard),transform .9s var(--ease-emphasized);visibility:hidden}.intro-scene>*,.intro-copy,.intro-city-copy,.intro-feature-demo{min-width:0}.intro-scene h1,.intro-scene h2,.intro-scene p,.intro-scene span,.intro-scene small{max-width:100%;overflow-wrap:normal;word-break:normal;hyphens:none}.intro-trailer[data-scene="0"] 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i:nth-child(4){animation-delay:.27s}.intro-trailer[data-scene="1"] .intro-source-activity i:nth-child(5){animation-delay:.36s}.intro-progress-spark{align-items:center;background:linear-gradient(145deg,#e6f9ff,#f1ffd2);border:3px solid var(--planet-black);border-radius:50%;bottom:3%;box-shadow:0 7px #05050529,0 18px 42px #12bcea38;color:#10232a;display:flex;flex-direction:column;height:clamp(126px,14vw,158px);justify-content:center;left:50%;opacity:0;position:absolute;transform:translate(-50%,16px) scale(.84);width:clamp(126px,14vw,158px);z-index:3}.intro-trailer[data-scene="1"] .intro-progress-spark{animation:introProgressCoreIn .68s var(--ease-emphasized) .62s forwards}.intro-progress-orbit{animation:introOrbitSpin 12s linear infinite;border:2px dashed rgba(7,156,200,.52);border-radius:50%;inset:-14px;position:absolute}.intro-progress-mark{bottom:-18px;filter:drop-shadow(0 5px 5px rgba(5,5,5,.14));margin:0;position:absolute;right:-20px;width:clamp(38px,5vw,54px);z-index:2}.intro-progress-spark strong{font-size:clamp(.62rem,1.1vw,.76rem);line-height:1.05;max-width:78%;text-align:center}.intro-spark-ring{align-items:center;animation:introSparkPulse 1.5s ease-in-out infinite;background:var(--planet-lime);border:2px solid var(--planet-black);border-radius:999px;color:var(--planet-black);display:flex;font-size:clamp(.78rem,1.3vw,.95rem);font-weight:900;height:30px;justify-content:center;margin-bottom:3px;min-width:46px;padding:0 9px}.intro-source-particle{animation:introSourceParticle 2.4s ease-in-out infinite;background:var(--planet-lime);border:2px solid var(--planet-black);border-radius:50%;height:12px;position:absolute;width:12px;z-index:1}.intro-source-particle-one{left:3%;top:58%}.intro-source-particle-two{animation-delay:-.8s;right:5%;top:62%}.intro-source-particle-three{animation-delay:-1.6s;height:8px;left:68%;top:48%;width:8px}.intro-progress-spark{align-items:center;color:var(--muted);display:flex;flex-direction:column;font-size:.72rem;font-weight:800;gap:7px;grid-column:1 / -1;justify-content:center;margin-top:6px}.intro-spark-ring{align-items:center;animation:introSparkPulse 1.5s ease-in-out infinite;background:var(--planet-lime);border:3px solid var(--planet-black);border-radius:50%;color:var(--planet-black);display:flex;font-size:1rem;font-weight:900;height:48px;justify-content:center;width:48px}.intro-scene-city{align-items:center;align-content:center;gap:clamp(28px,4vw,62px);grid-template-columns:minmax(230px,.72fr) minmax(0,1.28fr)}.intro-city-copy{align-content:center;display:grid;gap:clamp(10px,1.5vw,16px);text-align:left}.intro-city-copy h2{font-size:clamp(2rem,3.1vw,3.5rem);line-height:.98;max-width:12ch;white-space:pre-line}html:lang(es) .intro-city-copy h2,html:lang(fr) .intro-city-copy h2{font-size:clamp(1.85rem,2.8vw,3.15rem);line-height:1.03;max-width:14ch}html:lang(zh-Hant) .intro-city-copy h2,html:lang(zh-Hans) .intro-city-copy h2{font-size:clamp(1.65rem,2.55vw,2.7rem);line-height:1.16;max-width:100%;word-break:keep-all}html:lang(zh-Hant) .intro-scene-purpose .intro-copy h2,html:lang(zh-Hans) .intro-scene-purpose .intro-copy h2{white-space:pre-line;word-break:keep-all}.intro-city-growth{align-items:center;display:grid;grid-template-columns:30px minmax(12px,1fr) 30px minmax(12px,1fr) 30px minmax(12px,1fr) 34px;margin-top:clamp(4px,1vw,10px);max-width:340px;width:100%}.intro-city-growth button{align-items:center;background:var(--planet-white);border:2px solid var(--planet-black);border-radius:50%;color:var(--text);cursor:pointer;display:flex;font-family:inherit;font-size:.68rem;font-weight:900;height:30px;justify-content:center;padding:0;position:relative;transition:box-shadow .16s ease,transform .16s ease;width:30px;z-index:2}.intro-city-growth button:hover{box-shadow:0 0 0 4px #12bcea33;transform:scale(1.08)}.intro-city-growth button:focus-visible{outline:3px solid var(--planet-cyan);outline-offset:3px}.intro-city-growth button:last-child{height:34px;width:34px}.intro-city-growth i{background:var(--soft-blue);border-block:2px solid var(--planet-black);display:block;height:8px;transform:scaleX(0);transform-origin:left}.intro-trailer[data-scene="2"] .intro-city-growth button{animation:introGrowthStep .42s var(--ease-emphasized) both}.intro-trailer[data-scene="2"] .intro-city-growth i{animation:introGrowthRail .52s var(--ease-emphasized) both}.intro-trailer[data-scene="2"] .intro-city-growth i:nth-of-type(1),.intro-trailer[data-scene="2"] .intro-city-growth button:nth-of-type(2){animation-delay:2.3s}.intro-trailer[data-scene="2"] .intro-city-growth i:nth-of-type(2),.intro-trailer[data-scene="2"] .intro-city-growth button:nth-of-type(3){animation-delay:4.9s}.intro-trailer[data-scene="2"] .intro-city-growth i:nth-of-type(3),.intro-trailer[data-scene="2"] .intro-city-growth button:nth-of-type(4){animation-delay:7.5s}.intro-city-viewport{aspect-ratio:4 / 3;background:#dff8ff;border:3px solid var(--planet-black);border-radius:clamp(14px,2vw,24px);box-shadow:0 8px #05050526,0 24px 48px #194b5829;justify-self:stretch;max-height:min(58vh,590px);overflow:hidden;position:relative;width:100%}.intro-city-viewport:after{background:linear-gradient(180deg,rgba(255,255,255,.12),transparent 32%,rgba(7,23,29,.08));box-shadow:inset 0 0 0 1px #ffffff47;content:"";inset:0;pointer-events:none;position:absolute;z-index:3}.intro-city-frame{height:100%;inset:0;object-fit:cover;object-position:center 66%;opacity:0;position:absolute;transform:scale(1.22);transform-origin:center 66%;width:100%}.intro-trailer[data-scene="2"] .intro-city-frame-one{animation:introCityOne 10.4s linear both}.intro-trailer[data-scene="2"] .intro-city-frame-two{animation:introCityTwo 10.4s linear both}.intro-trailer[data-scene="2"] .intro-city-frame-three{animation:introCityThree 10.4s linear both}.intro-trailer[data-scene="2"] .intro-city-frame-four{animation:introCityFour 10.4s linear both}.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-frame{animation:none;opacity:0}.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-frame.is-selected{opacity:1;transform:scale(1.16)}.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-frame-four.is-selected{transform:translate(-4%) scale(1.16)}.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-growth button,.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-growth i{animation:none}.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-growth button.is-reached{background:var(--planet-lime)}.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-growth button.is-selected{box-shadow:0 0 0 4px #12bcea52;transform:scale(1.08)}.intro-trailer.is-manual-city-level[data-scene="2"] .intro-city-growth i.is-reached{background:linear-gradient(90deg,var(--planet-cyan),var(--planet-lime));transform:scaleX(1)}.intro-level-chip{background:#ffffffe0;border:2px solid var(--planet-black);border-radius:999px;bottom:14px;color:#10232a;font-size:clamp(.65rem,1.3vw,.82rem);font-weight:800;left:50%;padding:7px 12px;position:absolute;transform:translate(-50%);white-space:nowrap;z-index:5}.intro-level-chip b{color:#087fa6}.intro-scene-features{gap:clamp(28px,6vw,78px);grid-template-columns:minmax(300px,.95fr) minmax(0,1.05fr)}.intro-feature-demo{background:var(--planet-white);border:3px solid var(--planet-black);border-radius:20px;box-shadow:0 8px #05050524;display:grid;gap:clamp(12px,2vw,20px);padding:clamp(16px,3vw,28px);position:relative;transform:rotate(-2deg);width:100%}.intro-demo-head{align-items:center;display:flex;font-weight:900;gap:8px;justify-content:space-between}.intro-demo-head>span:first-child{min-width:0}.intro-demo-pill{background:var(--soft-blue);border-radius:999px;color:var(--accent-dim);font-size:.65rem;flex:0 0 auto;padding:5px 8px;white-space:nowrap}.intro-demo-stats{display:grid;gap:10px;grid-template-columns:1fr 1fr}.intro-demo-stats div{display:grid}.intro-demo-stats b{color:var(--text);font-size:clamp(1.2rem,2.6vw,2rem)}.intro-demo-stats span{color:var(--muted);font-size:.68rem;line-height:1.2}.intro-demo-heatmap{display:grid;gap:clamp(3px,.7vw,7px);grid-template-columns:repeat(7,1fr)}.intro-demo-heatmap i{aspect-ratio:1;background:var(--soft-blue);border:1px solid rgba(5,5,5,.08);border-radius:3px;transform:scale(0)}.intro-trailer[data-scene="3"] .intro-demo-heatmap i{animation:introHeatmapCell .42s var(--ease-emphasized) forwards}.intro-demo-heatmap i:nth-child(3n){animation-delay:.16s!important}.intro-demo-heatmap i:nth-child(4n){animation-delay:.3s!important}.intro-demo-heatmap i:nth-child(5n){animation-delay:.44s!important}.intro-demo-heatmap i.level-1{background:#c9ef68}.intro-demo-heatmap i.level-2{background:#a9dd4e}.intro-demo-heatmap i.level-3{background:#79bd31}.intro-demo-heatmap i.level-4{background:#487d1c}.intro-demo-insight{backdrop-filter:blur(9px);background:linear-gradient(145deg,#fffffff5,#eefbd0f0);border:2px solid var(--planet-black);border-radius:14px;bottom:-64px;box-shadow:0 5px #0505051f,0 13px 28px #194b5829;color:#10232a;display:grid;gap:5px;left:12px;opacity:0;padding:clamp(9px,1.4vw,13px);position:absolute;right:clamp(70px,9vw,92px);transform:translateY(14px) rotate(1deg);z-index:3}.intro-trailer[data-scene="3"] .intro-demo-insight{animation:introInsightIn .62s var(--ease-emphasized) .56s forwards}.intro-demo-insight:after{color:var(--accent);content:"\2726";font-size:.72rem;position:absolute;right:8px;top:-10px}.intro-demo-insight-head{align-items:center;display:flex;gap:8px;justify-content:space-between;min-width:0}.intro-demo-insight-brand{align-items:center;color:#087fa6;display:flex;font-size:clamp(.52rem,.9vw,.64rem);font-weight:900;gap:5px;letter-spacing:.05em;min-width:0;text-transform:uppercase}.intro-demo-insight-brand img{flex:0 0 auto;height:22px;width:22px}.intro-demo-insight-trend{background:var(--planet-lime);border:1px solid var(--planet-black);border-radius:999px;color:var(--planet-black);flex:0 0 auto;font-size:clamp(.5rem,.85vw,.62rem);font-weight:900;padding:3px 6px}.intro-demo-insight>strong{font-size:clamp(.68rem,1.15vw,.84rem);line-height:1.16;overflow-wrap:anywhere;padding-right:8px}.intro-demo-insight>p{color:#54737b;font-size:clamp(.56rem,.95vw,.68rem);font-weight:600;line-height:1.28;overflow-wrap:anywhere}body[data-theme=dark] .intro-demo-insight{background:linear-gradient(145deg,#10242bf5,#243a20f0);border-color:var(--border-hi);color:var(--text)}body[data-theme=dark] .intro-demo-insight>p{color:var(--muted)}.intro-demo-goal{align-items:center;aspect-ratio:1;background:conic-gradient(var(--planet-cyan) 0 80%,var(--soft-blue) 80% 100%);border:3px solid var(--planet-black);border-radius:50%;bottom:-24px;display:flex;flex-direction:column;height:clamp(78px,10vw,116px);justify-content:center;position:absolute;right:-24px;z-index:4}.intro-demo-goal:before{background:var(--planet-white);border-radius:50%;content:"";inset:9px;position:absolute}.intro-demo-goal b,.intro-demo-goal small{position:relative;z-index:1}.intro-demo-goal b{color:var(--text);font-size:clamp(.95rem,2vw,1.35rem)}.intro-demo-goal small{color:var(--muted);font-size:.52rem;font-weight:800;line-height:1.05;text-align:center;width:74%}.intro-scene-finale{justify-items:center;text-align:center}.intro-finale-mark{animation:introMarkFloat 2.4s ease-in-out infinite;filter:drop-shadow(0 12px 13px rgba(5,5,5,.18));margin-bottom:clamp(16px,3vw,28px);width:clamp(86px,13vw,154px)}.intro-scene-finale h2{font-size:clamp(3.1rem,7.6vw,7rem);margin:8px 0 12px}.intro-start{font-size:clamp(.85rem,1.5vw,1rem);margin-top:clamp(18px,3vw,30px);padding:12px 24px}.intro-timeline{bottom:max(20px,env(safe-area-inset-bottom));display:grid;gap:7px;grid-template-columns:repeat(5,minmax(20px,62px));left:50%;position:absolute;transform:translate(-50%);z-index:3}.intro-timeline span{background:#05050529;border-radius:999px;height:4px;overflow:hidden;position:relative}.intro-timeline span.is-complete{background:var(--accent)}.intro-timeline span.is-active:after{animation:introTimelineFill var(--intro-duration) linear forwards;background:var(--accent);border-radius:inherit;content:"";inset:0;position:absolute;transform-origin:left}@keyframes introMarkFloat{0%,to{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-10px) rotate(2deg)}}@keyframes introOrbitSpin{to{transform:rotate(360deg)}}@keyframes introSourceYouTubeIn{0%{opacity:0;transform:translate(-18px,-6px) rotate(-4deg) scale(.9)}to{opacity:1;transform:translate(0) rotate(-2deg) scale(1)}}@keyframes introSourceAnkiIn{0%{opacity:0;transform:translate(18px,-6px) rotate(4deg) scale(.9)}to{opacity:1;transform:translate(0) rotate(2deg) scale(1)}}@keyframes introProgressCoreIn{0%{opacity:0;transform:translate(-50%,16px) scale(.84)}to{opacity:1;transform:translate(-50%) scale(1)}}@keyframes introFlowDash{to{stroke-dashoffset:-30}}@keyframes introSourceBar{0%{opacity:.25;transform:scaleY(.12)}to{opacity:1;transform:scaleY(1)}}@keyframes introSourceParticle{0%,to{opacity:.45;transform:translateY(0) scale(.8)}50%{opacity:1;transform:translateY(-10px) scale(1)}}@keyframes introSparkPulse{0%,to{box-shadow:0 0 #c9ef6880}50%{box-shadow:0 0 0 14px #c9ef6800}}@keyframes introTimelineFill{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes introHeatmapCell{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes introInsightIn{0%{opacity:0;transform:translateY(14px) rotate(1deg) scale(.96)}to{opacity:1;transform:translateY(0) rotate(1deg) scale(1)}}@keyframes introGrowthStep{0%{background:var(--planet-white);transform:scale(.78)}to{background:var(--planet-lime);transform:scale(1)}}@keyframes introGrowthRail{0%{background:var(--soft-blue);transform:scaleX(0)}to{background:linear-gradient(90deg,var(--planet-cyan),var(--planet-lime));transform:scaleX(1)}}@keyframes introCityOne{0%,22.12%{opacity:1;transform:scale(1.22)}26.16%,to{opacity:0;transform:scale(1.16)}}@keyframes introCityTwo{0%,22.12%{opacity:0}26.16%,47.12%{opacity:1}51.16%,to{opacity:0}}@keyframes introCityThree{0%,47.12%{opacity:0}51.16%,72.12%{opacity:1}76.16%,to{opacity:0}}@keyframes introCityFour{0%,72.12%{opacity:0;transform:translate(-4%) scale(1.22)}76.16%,to{opacity:1;transform:translate(-4%) scale(1.16)}}.legacy-progress-migration{align-items:center;background:radial-gradient(circle,rgba(5,5,5,.045) 1px,transparent 1.8px) 0 0 / 16px 16px,linear-gradient(145deg,#dff8ff,#eefbd0);display:flex;inset:0;justify-content:center;overflow-y:auto;padding:max(24px,env(safe-area-inset-top)) 18px max(24px,env(safe-area-inset-bottom));position:fixed;z-index:340}body[data-theme=dark] .legacy-progress-migration{background:radial-gradient(circle,rgba(130,210,239,.07) 1px,transparent 1.8px) 0 0 / 16px 16px,linear-gradient(145deg,#07171d,#10242b)}.legacy-progress-migration-card{background:var(--surface);border:3px solid var(--planet-black);border-radius:18px;box-shadow:0 7px #05050533,0 18px 42px #05050529;display:grid;gap:16px;margin:auto;max-width:620px;padding:clamp(22px,5vw,38px);width:min(620px,calc(100vw - 36px))}.legacy-progress-migration-brand{color:var(--accent);font-family:Bebas Neue,sans-serif;font-size:2rem;letter-spacing:.09em;line-height:1;text-shadow:1px 1px 0 var(--planet-black)}.legacy-progress-migration-card h1{color:var(--text);font-family:Bebas Neue,sans-serif;font-size:clamp(2rem,7vw,3rem);font-weight:400;letter-spacing:.03em;line-height:1}.legacy-progress-migration-card p{color:var(--muted);line-height:1.55}.legacy-progress-migration-status{font-size:.82rem;font-weight:700;min-height:1.3em}.legacy-progress-migration-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.legacy-progress-migration-actions [data-legacy-progress-action=continue]{flex-basis:100%;text-align:right}.legacy-progress-recovery-settings{display:grid;gap:8px;margin-top:12px}.onboarding-panel{align-items:center;background:radial-gradient(circle,rgba(5,5,5,.045) 1px,transparent 1.8px) 0 0 / 16px 16px,linear-gradient(145deg,#dff8ff,#eefbd0);display:flex;inset:0;justify-content:center;overflow-y:auto;padding:max(24px,env(safe-area-inset-top)) 18px max(24px,env(safe-area-inset-bottom));position:fixed;z-index:300}body[data-theme=dark] .onboarding-panel{background:radial-gradient(circle,rgba(130,210,239,.07) 1px,transparent 1.8px) 0 0 / 16px 16px,linear-gradient(145deg,#07171d,#10242b)}body.onboarding-active{overflow:hidden}body.onboarding-active #mainApp{visibility:hidden}body.onboarding-active .toast{z-index:320}.onboarding-card{background:var(--surface);border:3px solid var(--planet-black);border-radius:18px;box-shadow:0 7px #05050533,0 18px 42px #05050529;display:grid;gap:18px;margin:auto;max-width:760px;padding:clamp(20px,4vw,36px);width:min(760px,calc(100vw - 36px))}.onboarding-brand{color:var(--accent);font-family:Bebas Neue,sans-serif;font-size:2rem;letter-spacing:.09em;line-height:1;text-shadow:1px 1px 0 var(--planet-black)}.onboarding-promise{color:var(--muted);font-size:.82rem;font-weight:600;line-height:1.45;margin-top:-8px;max-width:52ch}.onboarding-progress{display:grid;gap:6px}.onboarding-progress-label{color:var(--muted);font-size:.72rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.onboarding-progress-track{background:var(--soft-blue);border:2px solid var(--planet-black);border-radius:999px;display:block;height:9px;overflow:hidden}.onboarding-progress-fill{background:linear-gradient(90deg,var(--planet-cyan),var(--planet-lime));display:block;height:100%;position:relative;transition:width var(--motion-slow) var(--ease-emphasized);width:33.333%}.onboarding-progress-fill:after{content:"";position:absolute;top:50%;right:0;width:2px;height:12px;border-radius:999px;background:var(--planet-black);transform:translate(50%,-50%)}.onboarding-content{display:grid;gap:20px}.onboarding-sound{position:fixed;right:max(18px,env(safe-area-inset-right));top:max(18px,env(safe-area-inset-top));z-index:5}.onboarding-language-picker{position:fixed;right:max(18px,env(safe-area-inset-right));top:max(66px,calc(env(safe-area-inset-top) + 58px));width:min(190px,52vw);z-index:5}.onboarding-language-picker .intro-locale-menu{width:100%}.onboarding-heading{display:grid;gap:8px}.onboarding-eyebrow{color:var(--accent-dim);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.onboarding-title{color:var(--text);font-family:Bebas Neue,sans-serif;font-size:clamp(2rem,6vw,3rem);font-weight:400;letter-spacing:.04em;line-height:1}.onboarding-subtitle{color:var(--muted);font-size:.95rem;line-height:1.55;max-width:62ch}.onboarding-choice-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.onboarding-choice{align-items:center;background:var(--planet-white);border:2px solid var(--planet-black);border-radius:14px;box-shadow:0 4px #0505051f;color:var(--text);cursor:pointer;display:flex;gap:10px;min-height:68px;padding:12px;text-align:left;transition:background var(--motion-base) var(--ease-standard),transform var(--motion-fast) var(--ease-standard),box-shadow var(--motion-fast) var(--ease-standard);width:100%}.onboarding-choice:hover{background:var(--surface-hi);transform:translateY(-1px)}.onboarding-choice[aria-pressed=true]{background:var(--planet-lime);box-shadow:0 2px #05050533;transform:translateY(2px)}.onboarding-choice-icon{align-items:center;background:var(--soft-blue);border:2px 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var(--border);border-radius:12px;color:var(--text);cursor:pointer;display:grid;gap:12px;grid-template-columns:42px minmax(0,1fr) 28px;padding:11px;text-align:left;width:100%}.onboarding-channel[aria-pressed=true]{background:var(--surface-hi);border-color:var(--green)}.onboarding-channel-avatar{align-items:center;background:linear-gradient(145deg,var(--planet-sky),var(--planet-lime));border:2px solid var(--planet-black);border-radius:10px;color:var(--planet-black);display:flex;font-family:Bebas Neue,sans-serif;font-size:1.15rem;height:42px;justify-content:center;letter-spacing:.04em;overflow:hidden;width:42px}.onboarding-channel-avatar img{height:100%;object-fit:cover;width:100%}.onboarding-channel-copy{display:grid;gap:3px;min-width:0}.onboarding-channel-name{font-size:.86rem;font-weight:900}.onboarding-channel-meta{color:var(--accent-dim);font-size:.72rem;font-weight:800;line-height:1.35}.onboarding-channel-check{align-items:center;border:2px solid 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scale(1.012)}.city-level-up-confetti{inset:0;overflow:hidden;pointer-events:none;position:absolute;z-index:4}.city-confetti-emitter{bottom:3px;height:1px;position:absolute;width:1px}.city-confetti-emitter-left{left:3px}.city-confetti-emitter-right{right:3px}.city-confetti-emitter i{animation:cityConfettiBurst var(--confetti-duration) cubic-bezier(.16,.74,.36,1) var(--confetti-delay) both;background:var(--confetti-color);border-radius:1px;box-shadow:0 1px #05050524;height:var(--confetti-height);left:0;opacity:0;position:absolute;top:0;transform-origin:center;width:var(--confetti-width);will-change:transform,opacity}.city-confetti-emitter .city-confetti-streamer{border-radius:999px;height:calc(var(--confetti-height) * 1.65);width:max(2px,calc(var(--confetti-width) * .48))}.city-confetti-emitter .city-confetti-ribbon{background:transparent;border:max(1.5px,calc(var(--confetti-width) * .24)) solid 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4px;height:34px;opacity:.72;padding:0;position:relative;transition:opacity .12s ease}.city-wave-bar:before{background:var(--bar-color);border-radius:999px;content:"";height:calc(var(--bar-height) + var(--hover-boost));left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);transition:height .12s ease,background .12s ease;width:4px}.city-wave-bar:nth-child(2n){--bar-height: 10px}.city-wave-bar:nth-child(3n){--bar-height: 16px}.city-wave-bar:nth-child(5n){--bar-height: 22px}.city-wave-bar:nth-child(8n){--bar-height: 8px}.city-wave-bar.is-hidden-wave-day{display:none}.city-wave-bar.is-anchor-wave-day{opacity:.72}.city-wave-bar.has-activity{--bar-color: rgba(245, 247, 248, .78)}.city-wave-bar.has-level-change{--bar-color: rgba(246, 194, 86, .86)}.city-wave-bar.selected{--bar-color: rgba(5, 5, 5, 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8px;--city-level-filled-center: 0%;--city-level-progress: 0%;--city-level-remaining-center: 50%;min-width:0;padding-bottom:calc(.72rem + 8px);width:100%}.city-level-progress-labels{align-items:center;display:flex;justify-content:space-between;margin-bottom:8px;min-width:0}.city-level-label{color:var(--muted);font-size:.72rem;font-weight:800;line-height:1;white-space:nowrap}.city-level-label-next{text-align:right}.city-level-progress-track{position:relative}.city-level-progress .city-level-progress-rail{margin-bottom:0}.city-level-progress-fill{width:var(--city-level-progress)}.city-level-remaining-hover{bottom:-4px;left:var(--city-level-progress);position:absolute;right:0;top:-4px;z-index:4}.city-stage{display:none}.city-next{align-items:flex-start;background:var(--surface);border:2px solid var(--planet-black);border-radius:var(--callout-radius);box-shadow:var(--callout-shadow);color:var(--text);display:inline-flex;flex-direction:column;font-size:.72rem;font-weight:700;line-height:1.35;padding:9px 10px;position:relative;white-space:nowrap}.city-next:before{background:var(--surface);border:2px solid var(--planet-black);border-bottom:0;border-right:0;content:"";height:var(--callout-arrow-size);left:50%;margin-left:-7px;pointer-events:none;position:absolute;top:-8px;transform:rotate(45deg);width:var(--callout-arrow-size)}.city-next-effort{color:var(--muted);font-size:.68rem;font-weight:600;margin-top:4px}.city-level-progress-actions{align-items:center;display:flex;left:var(--city-level-remaining-center);opacity:0;pointer-events:none;position:absolute;top:calc(100% + 10px);transform:translate(-50%);transition:opacity var(--motion-fast) var(--ease-standard);z-index:5}.city-level-remaining-hover:hover~.city-level-progress-actions,.city-level-progress.is-level-ready 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var(--planet-black);border-left:0;border-top:0;bottom:-8px;content:"";height:var(--callout-arrow-size);left:50%;margin-left:-7px;pointer-events:none;position:absolute;transform:rotate(45deg);width:var(--callout-arrow-size)}.city-level-milestone-points{color:var(--muted);display:flex;font-size:.64rem;font-weight:700;justify-content:space-between;left:0;line-height:1;position:absolute;right:0;top:calc(100% + 8px)}.analytics-section{padding:var(--gap) 20px;display:flex;flex-direction:column;gap:var(--gap)}.goal-card{background:var(--surface);border:2px solid var(--planet-black);border-radius:var(--radius);padding:14px 16px;box-shadow:0 4px #0505051f}.goal-header{display:flex;justify-content:space-between;align-items:baseline;font-size:.82rem;color:var(--muted);font-weight:500;margin-bottom:10px}.goal-nums{font-family:Bebas Neue,sans-serif;font-size:1.4rem;letter-spacing:.04em;color:var(--text)}.goal-slash{color:var(--muted);margin:0 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var(--border);color:var(--muted);display:flex;font-size:.76rem;font-weight:600;gap:7px;line-height:1.4;margin-top:10px;padding-top:8px}.goal-pace[data-state=on-track],.goal-pace[data-state=complete]{color:var(--green)}.study-insight-card{align-items:start;background:radial-gradient(circle at 100% 0,rgba(201,239,104,.34),transparent 42%),linear-gradient(135deg,var(--surface),var(--soft-blue));border:2px solid var(--planet-black);border-radius:var(--radius);box-shadow:0 4px #0505051f;display:grid;gap:12px;grid-template-columns:minmax(0,1fr) 28px;padding:14px 16px}body[data-theme=dark] .study-insight-card{background:radial-gradient(circle at 100% 0,rgba(122,161,46,.22),transparent 42%),linear-gradient(135deg,var(--surface),#102d38)}.study-insight-icon{display:block;flex:0 0 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