:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif;color:#17324a;background:#f8faf9;font-synthesis:none;text-rendering:optimizeLegibility;--navy: #14324a;--navy-soft: #244962;--teal: #2ec4b6;--teal-dark: #159d91;--cream: #f8faf9;--paper: #ffffff;--orange: #ff9f1c;--coral: #ef6f6c;--purple: #6c63d9;--muted: #758796;--line: #e5ecee}*{box-sizing:border-box}html{min-width:320px;background:var(--cream)}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.splash-screen{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:16px;background:var(--navy);color:#fff}.splash-wordmark{font-size:22px;font-weight:800;letter-spacing:-.4px}.loading-dots{display:flex;gap:7px;margin-top:12px}.loading-dots i{width:7px;height:7px;border-radius:50%;background:var(--teal);animation:bounce 1s infinite ease-in-out}.loading-dots i:nth-child(2){animation-delay:.15s}.loading-dots i:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.35}30%{transform:translateY(-8px);opacity:1}}.brand-mark{position:relative;width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:var(--teal);color:#fff;box-shadow:inset 0 -4px #00000017;flex:0 0 auto}.brand-mark span{font-weight:800;font-size:17px;letter-spacing:-1px}.brand-mark i{position:absolute;right:-4px;top:-4px;width:14px;height:14px;border-radius:50%;background:#ffc447;border:3px solid var(--navy)}.brand-mark--large{width:72px;height:72px;border-radius:22px}.brand-mark--large span{font-size:23px}.brand-mark--small{width:38px;height:38px;border-radius:11px}.brand-mark--small span{font-size:13px}.brand-mark--small i{width:11px;height:11px;border-width:2px}.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(480px,1.08fr) minmax(460px,.92fr);background:var(--navy)}.login-visual{min-height:720px;position:relative;overflow:hidden;padding:44px 7vw;color:#fff;display:flex;flex-direction:column}.login-visual:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:linear-gradient(to bottom right,black,transparent 75%);mask-image:linear-gradient(to bottom right,black,transparent 75%);pointer-events:none}.login-visual__glow{position:absolute;border-radius:50%;filter:blur(2px);opacity:.16}.login-visual__glow--one{width:480px;height:480px;background:var(--teal);left:-220px;bottom:-180px}.login-visual__glow--two{width:340px;height:340px;border:1px solid #78e4da;right:-120px;top:130px}.login-brand{display:flex;align-items:center;gap:15px;position:relative;z-index:2}.login-brand strong{font-size:21px;line-height:1}.visual-copy{position:relative;z-index:2;margin:auto 0;max-width:720px}.visual-kicker,.login-card__eyebrow,.page-kicker,.hero-card__label,.section-heading span,.rail-title span,.collection-panel>div:first-child>span{font-size:11px;letter-spacing:2px;font-weight:800}.visual-kicker{color:#7ee5dc;margin-bottom:24px}.visual-copy h1{font-size:clamp(42px,4.6vw,70px);line-height:1.12;letter-spacing:-3px;margin:0;font-weight:800}.visual-copy>p{color:#bfd0db;font-size:17px;line-height:1.8;max-width:590px;margin:26px 0 0}.word-orbit{height:255px;max-width:610px;position:relative;margin-top:28px}.orbit-card{position:absolute;z-index:2;padding:24px 28px;border-radius:24px;background:#ffffff1a;border:1px solid rgba(255,255,255,.14);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 24px 50px #00000026}.orbit-card--main{left:70px;top:36px;width:310px;transform:rotate(-3deg)}.orbit-card__tag{display:block;color:#75ded4;font-size:9px;letter-spacing:1.5px;font-weight:700;margin-bottom:10px}.orbit-card strong{display:block;font-size:31px;letter-spacing:-1px}.orbit-card small{color:#d7e4e9;margin-top:5px;display:block}.orbit-chip{position:absolute;z-index:3;border-radius:999px;padding:10px 16px;font-size:12px;font-weight:700;box-shadow:0 12px 30px #00000026}.orbit-chip--one{top:15px;right:74px;background:var(--orange);color:var(--navy);transform:rotate(5deg)}.orbit-chip--two{left:8px;top:160px;background:#fff;color:var(--navy);transform:rotate(-8deg)}.orbit-chip--three{right:20px;top:160px;background:var(--teal);color:var(--navy);transform:rotate(4deg)}.orbit-line{position:absolute;border:1px dashed rgba(255,255,255,.25);width:500px;height:190px;border-radius:50%;left:5px;top:5px;transform:rotate(-8deg)}.visual-footer{color:#69859a;position:relative;z-index:2}.login-panel{background:#fbfcfb;border-radius:32px 0 0 32px;display:grid;place-items:center;padding:50px 8vw}.mobile-login-brand{display:none}.login-card{width:min(100%,440px)}.login-card__eyebrow{color:var(--teal-dark);margin-bottom:14px}.login-card h2{font-size:34px;line-height:1.25;letter-spacing:-1.2px;margin:0}.login-card>p{color:var(--muted);margin:12px 0 34px}.login-card label{display:block;margin-bottom:20px}.login-card label>span{display:block;font-size:13px;font-weight:700;margin-bottom:9px}.input-wrap{display:flex;align-items:center;height:58px;border:1.5px solid #dce5e8;border-radius:14px;background:#fff;padding:0 17px;color:#9aabb7;transition:.2s ease}.input-wrap:focus-within{border-color:var(--teal);box-shadow:0 0 0 4px #2ec4b61c;color:var(--teal-dark)}.input-wrap svg{width:20px}.input-wrap input{flex:1;border:0;outline:0;padding:0 12px;color:var(--navy);min-width:0;background:transparent}.input-wrap input::placeholder{color:#afbdc5}.form-error{padding:12px 14px;background:#fff0ef;color:#c54c4a;border-radius:11px;font-size:13px;margin:-4px 0 18px}.primary-button{min-height:54px;border-radius:14px;background:var(--navy);color:#fff;font-weight:700;padding:0 23px;display:inline-flex;align-items:center;justify-content:center;gap:12px;box-shadow:0 5px #071d2e;transition:transform .15s,box-shadow .15s}.primary-button:not(:disabled):active{transform:translateY(3px);box-shadow:0 2px #071d2e}.primary-button--login{width:100%;justify-content:space-between;margin-top:4px;padding-left:24px}.button-arrow{width:31px;height:31px;border-radius:9px;background:var(--teal);color:var(--navy);display:grid;place-items:center;font-size:19px}.login-note{margin-top:25px;display:flex;align-items:center;justify-content:center;gap:8px;color:#91a0aa;font-size:12px}.login-note svg{width:21px;color:var(--teal-dark)}.app-shell{min-height:100vh;background:#f8faf9;display:grid;grid-template-columns:188px minmax(0,1fr)}.side-nav{position:fixed;inset:0 auto 0 0;width:188px;z-index:20;background:var(--navy);color:#fff;padding:26px 18px 22px;display:flex;flex-direction:column}.side-brand{display:flex;align-items:center;gap:11px;background:transparent;color:#fff;text-align:left;padding:0 6px}.side-brand strong{font-size:15px;line-height:1.12;letter-spacing:-.3px}.side-nav nav{display:grid;gap:8px;margin-top:70px}.side-nav nav button{height:50px;display:flex;align-items:center;gap:14px;padding:0 15px;border-radius:13px;background:transparent;color:#89a2b3;font-weight:600;position:relative}.side-nav nav button svg{width:21px}.side-nav nav button:hover{background:#ffffff0d;color:#fff}.side-nav nav button.active{background:#2ec4b621;color:#5ee0d4}.side-nav nav button.active:before{content:"";position:absolute;left:-18px;width:4px;height:24px;background:var(--teal);border-radius:0 4px 4px 0}.side-nav__bottom{margin-top:auto;display:grid;gap:16px}.infinity-pill{background:#ffffff0f;color:#87a0b1;display:flex;align-items:center;justify-content:center;gap:7px;height:35px;border-radius:10px;font-size:10px;font-weight:700;letter-spacing:.4px}.infinity-pill svg{width:18px;color:var(--teal)}.mini-profile{background:transparent;color:#fff;display:flex;align-items:center;gap:10px;text-align:left;padding:0}.mini-profile>span{width:36px;height:36px;background:#ffbf5a;color:var(--navy);border-radius:11px;display:grid;place-items:center;font-weight:800}.mini-profile div{display:grid;min-width:0}.mini-profile strong{font-size:12px;overflow:hidden;text-overflow:ellipsis}.mini-profile small{color:#7892a4;font-size:9px}.mobile-header,.bottom-nav{display:none}.content-area{grid-column:2;min-width:0}.global-error{position:fixed;top:20px;left:50%;transform:translate(-50%);z-index:100;background:#fff0ef;color:#b63e3d;border:1px solid #ffd0cf;box-shadow:0 10px 30px #1a314021;padding:12px 13px 12px 17px;border-radius:12px;display:flex;gap:16px;align-items:center;font-size:13px}.global-error button{color:inherit;background:transparent;font-size:19px}.home-content{width:calc(100% - 300px);max-width:950px;margin:0;padding:50px clamp(36px,5vw,78px) 90px}.welcome-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-kicker{color:var(--teal-dark);margin-bottom:7px}.welcome-row h1,.standalone-page>h1{margin:0;font-size:30px;letter-spacing:-1.2px}.welcome-row p,.page-lead{margin:5px 0 0;color:var(--muted);font-size:13px}.mobile-xp-chip{display:none}.hero-card{min-height:290px;overflow:hidden;border-radius:25px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1.18fr .82fr;position:relative;box-shadow:0 18px 45px #14324a21}.hero-card:after{content:"";position:absolute;inset:0;background:linear-gradient(125deg,transparent 45%,rgba(46,196,182,.06));pointer-events:none}.hero-card__copy{padding:37px 0 37px 41px;position:relative;z-index:3}.hero-card__label{color:#69d9cf;display:flex;align-items:center;gap:8px}.hero-card__label span{width:18px;height:2px;background:var(--teal)}.hero-card h2{font-size:clamp(27px,2.5vw,37px);line-height:1.2;letter-spacing:-1.5px;margin:15px 0 9px}.hero-card p{max-width:410px;color:#a9becb;font-size:12px;line-height:1.7;margin:0 0 23px}.hero-button{min-height:48px;border-radius:13px;background:var(--teal);color:var(--navy);padding:0 17px;display:inline-flex;gap:10px;align-items:center;font-weight:800;box-shadow:0 4px #16998e}.hero-button__play{width:24px;height:24px;border-radius:8px;background:#fff;font-size:9px;display:grid;place-items:center}.hero-button__infinity{font-size:21px;margin-left:4px}.hero-card__art{position:relative;min-height:290px}.trail-ring{position:absolute;border:1px solid rgba(106,226,215,.2);border-radius:50%}.trail-ring--outer{width:310px;height:310px;right:-50px;top:-10px}.trail-ring--inner{width:205px;height:205px;right:5px;top:45px;border-style:dashed}.trail-node{position:absolute;z-index:2;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;box-shadow:0 8px 18px #0003}.trail-node--one{right:33px;top:27px;background:var(--orange);color:var(--navy);transform:rotate(8deg)}.trail-node--two{right:195px;top:87px;background:#fff;color:var(--navy);transform:rotate(-9deg)}.trail-node--three{right:35px;bottom:23px;background:var(--purple);color:#fff;transform:rotate(8deg)}.hero-badge{position:absolute;z-index:3;right:73px;top:91px;width:132px;height:132px;border-radius:50%;display:grid;place-content:center;justify-items:center;background:#2ec4b61f;border:1px solid rgba(97,226,214,.25);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.hero-badge svg{width:46px;height:30px;color:var(--teal);stroke-width:1.5}.hero-badge strong{font-size:10px;letter-spacing:1.5px;color:#78e1d7}.hero-badge span{color:#7896a8;font-size:8px;margin-top:2px}.section-heading{margin:38px 0 24px;display:flex;align-items:end;justify-content:space-between}.section-heading span{color:#9aaab3}.section-heading h2{margin:3px 0 0;font-size:20px;letter-spacing:-.5px}.section-heading small{color:#9aaab3;font-size:10px}.trail-list{display:grid;gap:16px}.trail-card{min-height:105px;position:relative;border:1px solid var(--line);border-radius:18px;background:#fff;display:grid;grid-template-columns:42px 67px 1fr 42px;align-items:center;gap:17px;padding:16px 21px 16px 14px;transition:transform .2s,box-shadow .2s,border-color .2s}.trail-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--trail) 45%,white);box-shadow:0 12px 28px #1f3b4c14}.trail-card__step{color:#c1cdd3;font-size:10px;font-weight:800;letter-spacing:1px;text-align:center}.trail-card__icon{width:62px;height:62px;border-radius:19px;color:var(--trail);background:var(--trail-soft);display:grid;place-items:center;box-shadow:inset 0 -3px #0000000a}.trail-card__icon svg{width:27px;height:27px}.trail-card__copy span{color:var(--trail);font-size:8px;font-weight:800;letter-spacing:1.3px}.trail-card__copy h3{margin:3px 0 2px;font-size:16px}.trail-card__copy p{margin:0;color:var(--muted);font-size:11px}.trail-card__go{width:35px;height:35px;border-radius:11px;background:#f2f5f5;color:#9babb4;transition:.2s}.trail-card:hover .trail-card__go{background:var(--trail);color:#fff}.trail-connector{display:none}.stats-rail{position:fixed;z-index:10;right:0;top:0;bottom:0;width:300px;overflow-y:auto;background:#fff;border-left:1px solid var(--line);padding:24px 25px}.stats-rail__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.date-pill{color:#80919c;font-size:10px;font-weight:700;text-transform:uppercase}.avatar-button{width:37px;height:37px;border-radius:11px;background:#ffc15c;color:var(--navy);font-weight:800;box-shadow:inset 0 -3px #00000012}.level-card{border-radius:18px;background:#f3faf9;padding:18px}.level-card__head{display:flex;align-items:center;gap:12px}.level-orb{width:49px;height:49px;border-radius:50%;padding:3px;background:conic-gradient(var(--teal) 78%,#d9eeeb 0)}.level-orb span{width:100%;height:100%;display:grid;place-items:center;border-radius:50%;border:3px solid #f3faf9;background:var(--navy);color:#fff;font-weight:800}.level-card__head div:last-child{display:grid}.level-card__head small,.mastery-card small{color:#8da0a9;font-size:8px;letter-spacing:1.2px;font-weight:800}.level-card__head strong{font-size:14px;margin-top:2px}.level-card__bar{height:6px;background:#dcebea;border-radius:999px;overflow:hidden;margin-top:17px}.level-card__bar i{display:block;height:100%;background:var(--teal);border-radius:inherit}.level-card__foot{display:flex;justify-content:space-between;color:#8a9ba5;font-size:8px;margin-top:6px}.today-card,.mastery-card{margin-top:20px;border-top:1px solid var(--line);padding-top:20px}.rail-title{display:flex;align-items:center;justify-content:space-between;color:#9aa8b0}.rail-title svg{width:17px;color:var(--orange)}.today-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}.today-grid>div{min-height:98px;border:1px solid var(--line);border-radius:15px;padding:12px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:1fr 1fr;align-items:center}.today-grid svg,.percent-icon{grid-row:1 / 3;margin-right:8px;color:var(--orange);width:24px}.percent-icon{font-size:18px;font-weight:800;color:var(--purple)}.today-grid strong{font-size:20px;line-height:1}.today-grid small{color:#8fa0a9;font-size:8px;white-space:nowrap}.mastery-card__head{display:flex;justify-content:space-between;align-items:center}.mastery-card__head>div{display:grid;gap:3px}.mastery-card__head strong{font-size:13px}.mastery-card__head>span{color:var(--teal-dark);font-weight:800;font-size:12px}.mastery-dots{display:grid;grid-template-columns:repeat(10,1fr);gap:5px;margin:15px 0 13px}.mastery-dots i{height:10px;border-radius:3px;background:#e9eeee}.mastery-dots i.filled{background:var(--teal)}.mastery-card button{width:100%;padding:0;background:transparent;color:#7c8e99;display:flex;justify-content:space-between;font-size:10px}.mastery-card button span{color:var(--teal-dark)}.stats-rail blockquote{background:var(--navy);color:#d5e1e7;border-radius:17px;padding:18px;margin:22px 0 0;font-family:Georgia,serif;font-size:12px;line-height:1.6}.stats-rail blockquote small{display:block;color:#6f8b9d;font:8px Inter,ui-sans-serif,system-ui,sans-serif;margin-top:7px}.practice-page{min-height:100vh;background:#fcfdfc;display:flex;flex-direction:column}.practice-header{height:78px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:44px minmax(200px,590px) 60px;align-items:center;justify-content:center;gap:22px;padding:0 32px}.icon-button{width:40px;height:40px;background:transparent;color:#95a4ad;display:grid;place-items:center}.practice-progress{height:8px;border-radius:99px;background:#e7edee;overflow:hidden}.practice-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),#5ad4ca);border-radius:inherit;transition:width .4s}.practice-streak{display:flex;align-items:center;gap:5px;color:var(--orange);font-size:14px;font-weight:800}.practice-streak svg{width:21px}.question-stage{width:min(100%,800px);flex:1;margin:0 auto;padding:42px 36px 35px;display:flex;flex-direction:column}.question-meta{display:flex;justify-content:space-between;align-items:center;color:#9aa8b0;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px}.question-number{display:flex;align-items:center;gap:5px;color:var(--teal-dark)}.question-number svg{width:18px}.question-copy{margin:48px 0 32px}.question-eyebrow{color:#748691;font-size:15px;font-weight:600}.prompt-row{display:flex;align-items:center;gap:15px;margin-top:10px}.prompt-row h1{font-size:clamp(37px,5vw,58px);line-height:1.1;letter-spacing:-2.5px;margin:0;color:var(--navy)}.speak-button{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;color:var(--teal-dark);background:#e4f8f5;box-shadow:inset 0 -3px #199d911a}.part-chip{display:inline-block;margin-top:10px;padding:5px 9px;background:#eef2f3;color:#84949e;border-radius:7px;font-size:10px;font-weight:700}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.answer-options button{min-height:78px;border-radius:17px;border:1.5px solid #dfe7e9;border-bottom-width:4px;background:#fff;color:var(--navy);display:grid;grid-template-columns:33px 1fr 26px;align-items:center;text-align:left;padding:13px 16px;transition:.15s}.answer-options button:hover:not(.correct):not(.wrong){border-color:#a5dcd7;background:#f9fdfc}.answer-options button.selected{border-color:var(--teal);background:#ecfbf9}.answer-options button.correct{border-color:var(--teal);background:#e8faf7;color:#167f76}.answer-options button.wrong{border-color:var(--coral);background:#fff0ef;color:#b84e4b}.option-key{width:28px;height:28px;border:1px solid #dce4e7;border-radius:8px;display:grid;place-items:center;color:#9baab3;font-size:11px;font-weight:700}.answer-options button.selected .option-key,.answer-options button.correct .option-key{background:var(--teal);color:#fff;border-color:var(--teal)}.answer-options button.wrong .option-key{background:var(--coral);color:#fff;border-color:var(--coral)}.answer-options strong{font-size:15px}.option-state{width:23px;height:23px;border-radius:50%;background:#f0f3f4;display:grid;place-items:center;color:transparent}.option-state svg{width:14px}.answer-options button.selected .option-state{color:var(--teal-dark);background:#cff3ee}.answer-options button.correct .option-state{color:#fff;background:var(--teal)}.spell-answer label{display:block;font-size:12px;font-weight:700;color:#6f808a;margin-bottom:9px}.spell-input-wrap{height:70px;border:1.5px solid #dce5e8;border-bottom-width:4px;border-radius:17px;display:flex;align-items:center;padding:0 12px 0 20px;background:#fff}.spell-input-wrap:focus-within{border-color:var(--teal)}.spell-input-wrap.correct{border-color:var(--teal);background:#ecfbf9}.spell-input-wrap.wrong{border-color:var(--coral);background:#fff0ef}.spell-input-wrap input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:21px;color:var(--navy);font-weight:700}.spell-input-wrap button{width:44px;height:44px;border-radius:13px;background:#e6f8f5;color:var(--teal-dark);display:grid;place-items:center}.spell-answer>small{color:#9aa8b1;display:block;margin-top:9px}.practice-action{margin-top:auto;padding-top:45px;display:flex;justify-content:flex-end}.check-button,.continue-button{min-width:190px}.continue-button{background:var(--teal-dark);box-shadow:0 5px #0a756d}.practice-action--feedback{display:grid;grid-template-columns:1fr auto;align-items:end;gap:28px;border-top:1px solid var(--line);margin-top:40px}.feedback-copy{display:grid;grid-template-columns:48px 1fr;gap:14px}.feedback-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:900}.is-correct .feedback-icon{background:#d9f7f2;color:var(--teal-dark)}.is-wrong .feedback-icon{background:#ffe2df;color:#c44f4c}.feedback-title-row{display:flex;align-items:center;gap:10px}.feedback-title-row h3{margin:0;font-size:18px}.feedback-title-row span{color:var(--teal-dark);font-weight:800;font-size:12px}.feedback-copy p{margin:4px 0 0;color:#6d7f8b;font-size:12px}.example-line small{display:block;color:#9aa8b0;margin-top:2px}.question-loading{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#8798a2;font-size:13px;gap:14px}.loading-ring{width:38px;height:38px;border-radius:50%;border:4px solid #dceeed;border-top-color:var(--teal);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.standalone-page{max-width:950px;padding:58px clamp(35px,6vw,85px) 100px;margin:0 auto}.standalone-page .page-lead{font-size:14px}.progress-hero{margin-top:35px;min-height:205px;padding:35px 42px;border-radius:24px;background:var(--navy);color:#fff;display:flex;align-items:center;gap:36px;overflow:hidden;position:relative}.progress-hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;border:1px solid rgba(46,196,182,.14);right:-60px;top:-90px}.progress-level-ring{--percent: 0deg;flex:0 0 auto;width:127px;height:127px;border-radius:50%;padding:8px;background:conic-gradient(var(--teal) var(--percent),rgba(255,255,255,.12) 0)}.progress-level-ring>div{height:100%;border-radius:50%;background:var(--navy);display:grid;place-content:center;text-align:center}.progress-level-ring small{color:#7894a5;font-size:9px;letter-spacing:1px}.progress-level-ring strong{font-size:43px;line-height:1}.progress-hero__copy{flex:1;position:relative;z-index:2}.progress-hero__copy>span{color:#83a0b1;font-size:11px}.progress-hero__copy>strong{display:block;font-size:30px;margin-top:3px}.progress-hero__copy p{color:#9db2bf;font-size:11px}.progress-hero__copy>div{height:8px;background:#ffffff1f;border-radius:999px;overflow:hidden;margin-top:17px}.progress-hero__copy i{display:block;height:100%;background:var(--teal);border-radius:inherit}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:20px}.metric-grid article{border:1px solid var(--line);background:#fff;border-radius:18px;padding:20px;display:grid;grid-template-columns:46px 1fr;grid-template-rows:repeat(3,auto);column-gap:14px}.metric-icon{grid-row:1 / 4;width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800}.metric-icon svg{width:21px}.metric-icon--teal{color:var(--teal-dark);background:#e0f8f4}.metric-icon--orange{color:#d9830a;background:#fff1dc}.metric-icon--purple{color:var(--purple);background:#eeecff}.metric-icon--green{color:#318c50;background:#e4f6e9}.metric-grid small{color:#8c9ba4;font-size:10px}.metric-grid strong{font-size:22px;line-height:1.2}.metric-grid p{color:#a1adb4;font-size:9px;margin:0}.collection-panel{margin-top:20px;padding:28px;border:1px solid var(--line);background:#fff;border-radius:20px;display:grid;grid-template-columns:1fr auto;gap:18px 30px}.collection-panel h2{margin:4px 0;font-size:19px}.collection-panel p{margin:0;color:var(--muted);max-width:540px;font-size:11px;line-height:1.6}.collection-panel>div:first-child>span{color:var(--teal-dark)}.collection-panel__number{display:grid;text-align:right}.collection-panel__number strong{font-size:28px;color:var(--teal-dark)}.collection-panel__number span{color:#9aa7af;font-size:10px}.collection-bar{grid-column:1 / 3;height:9px;border-radius:999px;background:#e7eeee;overflow:hidden}.collection-bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--teal),#75ddd4)}.collection-panel .primary-button{grid-column:2;min-height:46px;box-shadow:none}.profile-page{max-width:790px}.profile-card{margin-top:35px;padding:30px;border-radius:21px;background:var(--navy);color:#fff;display:flex;align-items:center;gap:20px}.profile-avatar{width:74px;height:74px;border-radius:22px;background:#ffc15c;color:var(--navy);display:grid;place-items:center;font-size:28px;font-weight:800;box-shadow:inset 0 -5px #00000014}.profile-card small{color:#7592a4;letter-spacing:1.2px;font-size:8px;font-weight:800}.profile-card h2{margin:3px 0;font-size:24px}.profile-card p{margin:0;color:#9eb2bf;font-size:11px}.profile-settings{margin-top:18px;display:grid;gap:12px}.profile-settings article{display:grid;grid-template-columns:50px 1fr auto;gap:14px;align-items:center;border:1px solid var(--line);border-radius:17px;background:#fff;padding:15px 18px}.settings-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:#e5f8f5;color:var(--teal-dark)}.profile-settings h3{margin:0;font-size:14px}.profile-settings p{margin:3px 0 0;color:var(--muted);font-size:10px}.status-dot{color:var(--teal-dark);background:#def7f3;border-radius:999px;padding:5px 9px;font-size:8px;font-weight:800}.logout-button{width:100%;height:50px;border-radius:14px;margin-top:25px;background:#fff0ef;color:#bf4b48;font-weight:700}.account-hint{color:#a1adb4;font-size:10px;text-align:center}@media(max-width:1080px){.app-shell{grid-template-columns:82px minmax(0,1fr)}.side-nav{width:82px;padding-inline:13px}.side-brand{justify-content:center;padding:0}.side-brand>strong,.side-nav nav button span,.infinity-pill,.mini-profile div{display:none}.side-nav nav button{justify-content:center;padding:0}.side-nav nav button.active:before{left:-13px}.mini-profile{justify-content:center}.content-area{grid-column:2}.home-content{width:calc(100% - 275px);padding-inline:32px}.stats-rail{width:275px;padding-inline:20px}.hero-card{grid-template-columns:1.4fr .6fr}.hero-card__art{opacity:.65}.hero-badge{right:30px}.trail-node--two{display:none}}@media(max-width:840px){.login-page{display:block;background:#fbfcfb}.login-visual{display:none}.login-panel{min-height:100vh;border-radius:0;padding:36px 24px;display:flex;flex-direction:column;justify-content:center}.mobile-login-brand{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:47px}.mobile-login-brand strong{font-size:20px}.login-card h2{font-size:29px}.app-shell{display:block;padding-bottom:calc(76px + env(safe-area-inset-bottom))}.app-shell--practice{padding-bottom:0}.side-nav{display:none}.mobile-header{position:sticky;z-index:30;top:0;height:66px;background:#14324af7;color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 18px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.mobile-header .side-brand>strong{display:block;font-size:14px}.mobile-streak{display:flex;align-items:center;gap:4px;color:#ffb23e;font-weight:800;font-size:13px}.mobile-streak svg{width:20px}.content-area{width:100%}.bottom-nav{position:fixed;z-index:40;inset:auto 0 0;height:calc(70px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);border-top:1px solid #e1e8ea;background:#fffffff5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:grid;grid-template-columns:repeat(3,1fr)}.bottom-nav button{background:transparent;color:#9aabb4;display:grid;place-content:center;justify-items:center;gap:3px;font-size:9px;font-weight:700}.bottom-nav svg{width:22px}.bottom-nav button.active{color:var(--teal-dark)}.bottom-nav button.active:before{content:"";width:25px;height:3px;position:absolute;top:0;background:var(--teal);border-radius:0 0 3px 3px}.home-content{width:100%;max-width:none;padding:27px 17px 45px}.stats-rail{display:none}.mobile-xp-chip{display:flex;align-items:center;gap:5px;border-radius:10px;padding:8px 10px;color:var(--purple);background:#eeecff;font-size:10px;font-weight:800}.mobile-xp-chip svg{width:16px}.welcome-row{margin-bottom:20px}.welcome-row h1{font-size:25px}.welcome-row p{font-size:11px}.hero-card{min-height:265px;grid-template-columns:1fr}.hero-card__copy{padding:28px 24px}.hero-card__art{position:absolute;inset:0;opacity:.36}.hero-card__copy{position:relative;z-index:4}.hero-card h2{font-size:29px}.hero-card p{max-width:260px}.hero-badge{right:22px;top:58px}.trail-node--two{display:grid;right:158px}.section-heading{margin-top:30px}.trail-list{gap:0;padding-left:0}.trail-card{border:0;background:transparent;min-height:117px;padding:11px 3px;grid-template-columns:30px 64px 1fr 35px;gap:11px}.trail-card:hover{transform:none;box-shadow:none}.trail-card__icon{width:58px;height:58px;z-index:2}.trail-connector{display:block;position:absolute;left:61px;top:78px;width:2px;height:40px;border-left:2px dashed #dce6e7}.trail-card__copy p{max-width:220px;line-height:1.4}.trail-card__go{background:#fff;border:1px solid var(--line)}.practice-page{min-height:100dvh}.practice-header{height:64px;grid-template-columns:38px 1fr 45px;gap:10px;padding:0 14px}.practice-header .icon-button{width:36px}.question-stage{padding:27px 18px max(22px,env(safe-area-inset-bottom))}.question-copy{margin:35px 0 25px}.question-eyebrow{font-size:13px}.prompt-row h1{font-size:39px;letter-spacing:-1.8px}.speak-button{width:44px;height:44px;border-radius:13px}.answer-options{grid-template-columns:1fr;gap:11px}.answer-options button{min-height:64px;border-radius:15px}.practice-action{padding-top:28px;width:100%}.check-button,.continue-button{width:100%}.practice-action--feedback{grid-template-columns:1fr;gap:19px;padding-top:22px;margin-top:28px}.feedback-copy{grid-template-columns:39px 1fr;gap:11px}.feedback-icon{width:38px;height:38px;border-radius:12px}.feedback-title-row h3{font-size:16px}.example-line{line-height:1.5}.standalone-page{padding:29px 17px 50px}.standalone-page>h1{font-size:27px}.progress-hero{padding:28px 22px;gap:21px}.progress-level-ring{width:92px;height:92px;padding:6px}.progress-level-ring strong{font-size:33px}.progress-hero__copy>strong{font-size:24px}.metric-grid{grid-template-columns:1fr}.collection-panel{grid-template-columns:1fr auto;padding:22px 19px;gap:15px}.collection-panel .primary-button{grid-column:1 / 3}.profile-card{padding:22px 19px}.profile-avatar{width:60px;height:60px;border-radius:18px}}@media(max-width:430px){.login-panel{justify-content:flex-start;padding-top:31px}.mobile-login-brand{margin:0 0 50px;justify-content:flex-start}.login-card h2,.hero-card h2{font-size:27px}.hero-badge{width:113px;height:113px;right:8px}.trail-node--two,.section-heading small{display:none}.question-meta>span:first-child{max-width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.prompt-row h1{font-size:36px}.collection-panel__number strong{font-size:23px}.profile-settings article{grid-template-columns:43px 1fr auto;padding-inline:13px}.settings-icon{width:41px;height:41px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}