.vb{--vb-soft:#edf1e7;--vb-dark:#244d39;max-width:1160px;margin:0 auto;padding-bottom:36px}.vb a{color:inherit}.vb button,.vb a,.vb input,.vb textarea{outline-offset:4px}.vb h1{font-size:clamp(30px,3.2vw,43px);font-weight:650;letter-spacing:-1.5px}.vb h2{font-size:25px;letter-spacing:-.6px}.vb h3{font-size:21px;letter-spacing:-.45px}.vb p{line-height:1.6}.vb-eyebrow{font-size:11px!important;letter-spacing:1.5px;font-weight:700;color:var(--green);margin-bottom:14px!important}.vb-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:11px 17px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--green)!important;text-decoration:none;font-size:13px;font-weight:650;line-height:1.4;text-align:center;transition:background .16s,transform .16s}.vb-button:hover{background:#eff3e9}.vb-button:active{transform:translateY(1px)}.vb-button.vb-primary{background:var(--green);border-color:var(--green);color:#fff!important}.vb-button.vb-primary:hover{background:#1d4230}.vb-button:disabled{cursor:not-allowed}.vb-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:28px;background:#eaf0e1;border:1px solid #d9e2d1;border-radius:17px;padding:37px 40px}.vb-hero h1{max-width:530px}.vb-lead{max-width:560px;color:#586752;margin:17px 0 24px!important;font-size:15px}.vb-hero-art{position:relative;min-height:220px;align-self:center}.vb-art-orbit{position:absolute;width:218px;height:218px;border:1px solid #c6d3bb;border-radius:50%;top:0;left:10px}.vb-art-orbit:after{content:'';position:absolute;inset:17px;border:1px dashed #c6d3bb;border-radius:50%}.vb-art-word{position:absolute;top:48px;left:5px;display:grid;padding:17px 28px 20px;background:#fffdf3;box-shadow:0 12px 28px #3c55321c;transform:rotate(-8deg);font-family:Georgia,serif;font-size:49px;line-height:1.15;color:#365341;border:1px solid #dedfcd;border-radius:9px}.vb-art-word span{font:13px var(--ui);color:#8b916d;margin-top:5px;letter-spacing:.4px}.vb-art-note{position:absolute;bottom:17px;right:5px;background:#d9edb2;padding:20px;color:var(--green);border:1px solid #bbce99;border-radius:13px;transform:rotate(9deg);box-shadow:0 9px 19px #3c553212}.vb-art-spark{position:absolute;font-size:34px;right:15px;top:1px;color:#6a8253}.vb-stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:12px;margin:20px 0;background:white}.vb-stats>div{padding:21px 24px;display:flex;flex-direction:column;gap:4px}.vb-stats>div+div{border-left:1px solid var(--line)}.vb-stats strong{font-size:28px;font-weight:600;color:var(--green);letter-spacing:-.8px;line-height:1.2}.vb-stats strong small{font-size:15px;color:#8b9484;font-weight:400;letter-spacing:0;margin-left:3px}.vb-stats span{font-size:12px;color:var(--muted)}.vb-shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:35px}.vb-shortcuts>a{display:flex;align-items:center;gap:15px;padding:20px;border:1px solid var(--line);border-radius:12px;text-decoration:none;background:#fff;transition:border-color .15s,background .15s}.vb-shortcuts>a:hover{background:#f3f6ed;border-color:#a6b797}.vb-shortcuts>a>span:nth-child(2){display:grid;gap:4px;flex:1}.vb-shortcuts strong{font-size:15px;font-weight:650}.vb-shortcuts small{font-size:12px;color:var(--muted)}.vb-shortcut-icon{display:grid;place-items:center;flex:none;width:46px;height:46px;background:#edf2e7;color:var(--green);border-radius:11px}.vb-section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:19px}.vb-section-heading h2{font-size:24px;margin-bottom:6px}.vb-section-heading p{font-size:13px;color:var(--muted)}.vb-mission-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.vb-mission{position:relative;background:white;border:1px solid var(--line);border-radius:13px;padding:23px 22px 19px;display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s}.vb-mission:hover{border-color:#afbc9e;box-shadow:0 5px 17px #2a392008}.vb-mission-complete{border-color:#b4c5a6}.vb-mission-top{display:flex;align-items:center;gap:12px;min-height:42px;margin-bottom:24px}.vb-mission-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:11px;flex:none;color:#46613f;background:#e9efdd}.vb-color-1{background:#f3e8d9;color:#816a40}.vb-color-2{background:#e4ecea;color:#526c67}.vb-color-3{background:#ece8f0;color:#71617c}.vb-mission-number{font-family:var(--mono);font-size:10px;letter-spacing:.6px;color:#7c8577}.vb-mini-stamp{margin-left:auto;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#e3efd7;color:#477039}.vb-category{color:#78836f;font-size:11px;letter-spacing:.3px;margin-bottom:7px!important}.vb-mission h3{margin-bottom:11px;line-height:1.25}.vb-mission-goal{font-size:13px;color:var(--muted);flex:1;min-height:62px;margin-bottom:18px!important}.vb-meta{font-size:11px;color:#7b8474;margin-bottom:13px!important}.vb-progress-track{height:4px;background:#edf0e8;border-radius:3px;overflow:hidden;margin-bottom:14px}.vb-progress-track>span{height:100%;background:#8aa765;display:block;border-radius:3px;transition:width .25s}.vb-card-bottom{display:grid;gap:10px}.vb-card-bottom>span{font-size:10px;color:#7c8575}.vb-card-bottom>a{display:inline-flex;justify-content:space-between;align-items:center;gap:8px;padding:4px 0;min-height:30px;text-decoration:none;color:var(--green);font-weight:650;font-size:13px}.vb-explainer{margin-top:27px;padding:18px 22px;border:1px solid var(--line);border-radius:10px;background:#f4f5ee;font-size:13px;color:var(--muted)}.vb-explainer summary{cursor:pointer;font-weight:650;color:var(--green)}.vb-explainer p{margin-top:12px;max-width:900px}.vb-crumbs{display:flex;gap:11px;font-size:12px;color:#7a8373;margin:0 0 26px;align-items:center;flex-wrap:wrap}.vb-crumbs>a{text-decoration:none;color:var(--green);font-weight:600}.vb-crumbs>a:hover{text-decoration:underline}.vb-session-heading{display:flex;align-items:center;gap:24px;justify-content:space-between;margin-bottom:26px}.vb-session-heading h1{font-size:35px;margin-bottom:10px}.vb-session-heading p:not(.vb-eyebrow){font-size:14px;color:var(--muted)}.vb-session-heading .vb-eyebrow{margin-bottom:9px!important}.vb-session-heading>.vb-button{flex:none}.vb-stepper{padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);margin:23px 0 27px;gap:8px}.vb-stepper li{display:flex;align-items:center;gap:10px;font-size:12px;color:#8a9183;border-bottom:2px solid #e3e7dc;padding:0 0 13px}.vb-stepper li>span{display:grid;place-items:center;border:1px solid #d9dfcf;width:25px;height:25px;font-size:11px;border-radius:50%;flex:none}.vb-stepper li.is-current{color:var(--green);font-weight:700;border-color:var(--green)}.vb-stepper li.is-current>span{background:var(--green);color:white;border-color:var(--green)}.vb-stepper li.is-done{color:#74935a;border-color:#a6bc8b}.vb-stepper li.is-done>span{background:#eaf1e1;border-color:#cddcbd}.vb-session-card{max-width:760px;margin:0 auto;background:white;border:1px solid var(--line);border-radius:16px;padding:29px 34px 32px;box-shadow:0 8px 35px #2c3b1e05}.vb-card-eyebrow{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:#7a8572;border-bottom:1px solid #ecede7;margin-bottom:26px;padding-bottom:18px}.vb-card-eyebrow>span:last-child{display:flex;align-items:center;gap:6px}.vb-intro{color:var(--muted);font-size:13px;background:#f5f7f0;border-radius:8px;padding:13px 15px;margin-bottom:24px!important}.vb-word-stage{position:relative;padding:5px 0 11px}.vb-word-stage h2{font-size:52px;letter-spacing:-1.5px;color:var(--green);line-height:1.13;margin-bottom:10px;max-width:calc(100% - 70px);overflow-wrap:anywhere}.vb-word-stage>p{font-size:18px;color:#66745f;max-width:calc(100% - 70px)}.vb-large-icon{position:absolute;right:0;top:10px;display:grid;place-items:center;width:59px;height:59px;background:#f0f4e8;color:#6b8156;border-radius:15px}.vb-audio{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin:10px 0}.vb-audio-button{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;background:#f1f4eb;border:1px solid #e4e9db;border-radius:7px;color:var(--green);font-size:12px;font-weight:600;min-height:36px}.vb-audio-button:hover{background:#e5edda}.vb-audio>a{font-size:10px;color:#738366;text-decoration:none;line-height:1.5;padding:6px 0}.vb-audio>a:hover{text-decoration:underline}.vb-example{margin:24px 0 18px;padding:20px 21px;background:#f7f8f2;border-left:3px solid #b9cc9a;border-radius:0 9px 9px 0;color:#69735f;font-size:14px}.vb-label{font-family:var(--mono);font-size:10px!important;letter-spacing:.7px;text-transform:uppercase;color:#889078;margin-bottom:9px!important}.vb-english{font-size:21px!important;line-height:1.5!important;color:#35482f;margin-bottom:5px!important}.vb-example .vb-audio{margin-bottom:0;margin-top:14px}.vb-help{font-size:13px;color:var(--muted);margin:11px 0 20px!important;line-height:1.65!important}.vb-small{font-size:11px}.vb-footer{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:22px}.vb-footer>span{display:inline-flex;align-items:center;gap:5px;font-size:10px;color:#88917e}.vb-session-card h2+.vb-help{margin-top:10px!important}.vb-prompt{background:#f2f5e9;border:1px solid #e3e9d6;border-radius:10px;padding:21px 24px;margin:22px 0;color:#425438;font-size:19px;line-height:1.65}.vb-choices{display:grid;gap:11px}.vb-choices>button{display:flex;justify-content:space-between;align-items:center;gap:15px;width:100%;padding:17px 21px;background:#fff;border:1px solid #dbe1d2;border-radius:9px;font-size:19px;color:#344a2d;text-align:left;min-height:60px}.vb-choices>button:hover:not(:disabled){background:#f0f5e7;border-color:#9caf85}.vb-choices>button:disabled{cursor:default}.vb form label,.vb-input-label{display:block;font-size:12px;font-weight:650;color:#56624b;margin-bottom:8px}.vb input[type=text],.vb input[type=search],.vb input:not([type]),.vb textarea{display:block;width:100%;padding:13px 15px;border:1px solid #bdc9af;border-radius:8px;background:#fff;color:var(--ink);font-size:17px;line-height:1.6;min-width:0}.vb input::placeholder,.vb textarea::placeholder{font-size:14px;color:#8f9688}.vb textarea{resize:vertical;min-height:111px}.vb-answer-actions{display:flex;gap:12px;margin-top:17px;flex-wrap:wrap}.vb-hint{margin-top:22px;background:#fff9e8;border:1px solid #e6dfc3;border-radius:9px;padding:20px;color:#786e4a;font-size:13px}.vb-hint>strong{display:block;color:#5d593f;font-size:24px;margin-bottom:7px}.vb-answer-feedback{margin-top:24px;padding:21px;border-radius:10px;font-size:13px;line-height:1.65}.vb-answer-feedback>strong{display:flex;align-items:center;gap:9px;font-size:17px;margin-bottom:7px}.vb-answer-feedback p+p{margin-top:5px}.vb-answer-feedback>.vb-button{margin-top:18px}.vb-answer-right{background:#edf5e4;border:1px solid #cedfbb;color:#4c6540}.vb-answer-wrong{background:#fbf4e5;border:1px solid #e9dabe;color:#806a43}.vb-xp-award{display:inline-flex;background:#dcecae;border:1px solid #c0d58b;border-radius:20px;padding:5px 12px;font:600 11px var(--ui);color:#4a642d;margin:7px 0 12px}.vb-checkline{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.65;color:#53614a;margin:16px 0;cursor:pointer}.vb-checkline input{width:18px;height:18px;flex:none;accent-color:var(--green);margin:2px 0}.vb-check-goal{display:flex;gap:10px;background:#ebf1df;color:#52673c;border-radius:7px;padding:13px 15px;margin-top:18px;font-size:13px}.vb-check-goal svg{flex:none;margin-top:3px}.vb-transfer-example{margin-bottom:10px}.vb-replay{display:flex;align-items:flex-start;gap:13px;background:#f0f3e9;border:1px solid #e0e6d4;border-radius:8px;padding:12px 16px;font-size:12px;color:#6a795c;margin-bottom:18px}.vb-replay strong{white-space:nowrap;color:var(--green)}.vb-completion{max-width:780px;margin:24px auto;background:#fff;border:1px solid var(--line);border-radius:17px;text-align:center;padding:42px}.vb-stamp{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:7px;border:2px solid #8da76f;outline:1px solid #c5d5ad;outline-offset:5px;border-radius:50%;width:131px;height:131px;color:#65834d;background:#f3f7ec;margin:0 auto 30px;transform:rotate(-8deg)}.vb-stamp span{font-family:var(--mono);font-size:9px;letter-spacing:.7px;max-width:100px;line-height:1.4}.vb-completion h1{font-size:35px;margin:0 auto 18px;max-width:550px}.vb-completion>p:not(.vb-eyebrow){max-width:580px;margin:0 auto;color:var(--muted);font-size:14px}.vb-complete-words{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:23px 0}.vb-complete-words span{display:inline-flex;border:1px solid #dce4d0;border-radius:7px;padding:7px 13px;background:#f5f8f0;color:#577045;font-size:15px}.vb-complete-actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;margin:25px 0 18px}.vb-page-heading{margin:5px 0 30px;max-width:720px}.vb-page-heading h1{margin-bottom:16px}.vb-page-heading>p:not(.vb-eyebrow){color:var(--muted);font-size:14px}.vb-empty{display:flex;align-items:center;flex-direction:column;text-align:center;gap:17px;padding:44px 30px;background:#fff;border:1px solid var(--line);border-radius:13px;color:#7c8e6a;min-height:250px;justify-content:center}.vb-empty h2{font-size:24px;color:#35482d;max-width:660px}.vb-empty>p{font-size:14px;color:var(--muted);max-width:580px}.vb-empty .vb-complete-actions{margin:6px 0}.vb-next-due{font-size:12px!important;background:#f0f4e9;padding:8px 14px;border-radius:6px}.vb-search{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.vb-search label{font-size:12px;font-weight:600;color:#657258;flex:none}.vb-search input{max-width:390px;background:white!important;font-size:14px!important;min-height:44px}.vb-search>span{font-size:12px;color:#839078;margin-left:auto}.vb-word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.vb-word-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:24px;display:flex;flex-direction:column}.vb-word-card-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.vb-word-card-title h2{color:var(--green);font-size:27px;overflow-wrap:anywhere}.vb-word-card-title>span{color:#96a881;background:#f2f6e9;border-radius:8px;padding:8px;display:flex}.vb-word-meaning{font-size:14px;color:#708062;margin:9px 0 13px!important}.vb-badges{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 18px}.vb-badge{display:inline-flex;align-items:center;gap:4px;font-size:9px;border:1px solid #dce4d1;background:#f6f8f1;border-radius:5px;padding:4px 6px;color:#6a7c58;line-height:1.4}.vb-badge-recalled{background:#eef4e4;border-color:#c9d9b5;color:#638044}.vb-badge-used{background:#f0edf4;border-color:#dcd3e5;color:#7b6c87}.vb-badge-remembered{background:#e4efd0;border-color:#bbce99;color:#527337}.vb-word-example{font-size:16px;color:#43553a;margin:0 0 5px!important}.vb-word-translation{font-size:12px;color:#829076;flex:1}.vb-word-card .vb-audio{margin:19px 0 16px}.vb-word-card-footer{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid #edf0e7;padding-top:15px}.vb-word-card-footer>span{font-size:10px;color:#80916f}.vb-word-card-footer>a{font-size:11px;color:var(--green);font-weight:600;text-decoration:none;display:flex;align-items:center;gap:4px}.vb-word-card-footer>a:hover{text-decoration:underline}.vb-notice{display:flex;gap:12px;align-items:center;justify-content:space-between;position:sticky;top:12px;z-index:5;background:#eef4e4;border:1px solid #cbd9b6;border-radius:10px;padding:13px 17px;margin-bottom:18px;color:#536b3e;font-size:13px;box-shadow:0 6px 18px #2634150c}.vb-notice-error{background:#fff7e7;border-color:#e7d2a7;color:#786442}.vb-notice .vb-button{flex:none}.vb-notice p{margin:0}.vb-content[inert]{opacity:.68;pointer-events:none}.vb .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1450px){.vb-mission-grid{gap:21px}.vb-mission{padding:27px 25px 21px}}
@media(max-width:1100px){.vb-hero{padding:30px;grid-template-columns:minmax(0,1fr) 180px;gap:10px}.vb-hero-art{transform:scale(.83);transform-origin:center right}.vb-mission-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vb-stats>div{padding:18px}.vb-shortcuts>a{padding:16px;gap:11px}.vb-shortcut-icon{width:39px;height:39px}.vb-session-heading{align-items:flex-start}.vb-session-heading>.vb-button{font-size:11px;padding:10px 12px}.vb-search>span{margin-left:0}}
@media(max-width:760px){.vb-hero{grid-template-columns:minmax(0,1fr) 130px;padding:25px}.vb-hero-art{transform:scale(.65);transform-origin:center center;width:180px;left:-20px}.vb-hero h1{font-size:34px}.vb-lead{font-size:14px}.vb-hero .vb-eyebrow{font-size:10px!important}.vb-stats{margin:16px 0}.vb-stats>div{padding:17px 13px}.vb-stats span{font-size:10px}.vb-stats strong{font-size:25px}.vb-session-heading h1{font-size:31px}.vb-session-card{padding:24px}.vb-completion{padding:34px 25px}.vb-word-grid{gap:14px}.vb-word-card{padding:20px}.vb-page-heading h1{font-size:33px}.vb-notice{top:8px}}
@media(max-width:520px){.vb{padding-bottom:20px}.vb-hero{display:block;padding:27px 23px}.vb-hero-art{display:none}.vb-hero h1{font-size:34px;max-width:320px}.vb-hero .vb-lead{margin:15px 0 21px!important}.vb-hero .vb-button{width:100%}.vb-stats{grid-template-columns:repeat(2,1fr)}.vb-stats>div{padding:17px 19px}.vb-stats>div:nth-child(3){border-left:0;border-top:1px solid var(--line)}.vb-stats>div:nth-child(4){border-top:1px solid var(--line)}.vb-stats span{font-size:11px}.vb-shortcuts{grid-template-columns:1fr;gap:11px;margin-bottom:29px}.vb-shortcuts>a{padding:17px}.vb-shortcuts strong{font-size:14px}.vb-section-heading h2{font-size:22px}.vb-mission-grid{grid-template-columns:1fr;gap:14px}.vb-mission{padding:22px}.vb-mission-top{margin-bottom:17px}.vb-mission-goal{min-height:0;margin-bottom:17px!important}.vb-card-bottom{grid-template-columns:1fr auto;align-items:center;gap:10px}.vb-card-bottom>a{gap:8px;font-size:12px}.vb-card-bottom>span{font-size:9px}.vb-session-heading{display:block;margin-bottom:24px}.vb-session-heading>.vb-button{margin-top:17px}.vb-session-heading h1{font-size:30px}.vb-stepper{gap:7px;margin-top:23px}.vb-stepper li{font-size:10px;gap:6px;flex-wrap:wrap;padding-bottom:11px}.vb-stepper li>span{width:22px;height:22px;font-size:10px}.vb-session-card{padding:21px 19px 25px;border-radius:12px}.vb-card-eyebrow{font-size:10px;margin-bottom:21px;padding-bottom:15px}.vb-session-card h2{font-size:25px;line-height:1.25}.vb-word-stage h2{font-size:43px}.vb-word-stage>p{font-size:16px}.vb-large-icon{width:48px;height:48px;border-radius:11px}.vb-example{padding:17px;margin-top:20px}.vb-english{font-size:19px!important}.vb-audio{gap:11px}.vb-audio>a{font-size:9px}.vb-footer{display:block}.vb-footer>.vb-button{width:100%}.vb-footer>span{justify-content:center;display:flex;margin-top:12px}.vb-prompt{padding:17px 18px;font-size:17px}.vb-choices>button{padding:16px 17px;font-size:18px}.vb-answer-actions{gap:9px}.vb-answer-actions>.vb-primary{flex:1}.vb-answer-actions>.vb-button{font-size:12px}.vb-answer-feedback{padding:18px}.vb-checkline{font-size:12px}.vb-replay{display:block}.vb-replay strong{display:block;margin-bottom:5px}.vb-completion{padding:30px 20px}.vb-completion h1{font-size:29px}.vb-completion>.vb-help{font-size:12px}.vb-complete-actions{display:grid;grid-template-columns:1fr;width:100%}.vb-completion .vb-complete-actions{margin-top:23px}.vb-word-grid{grid-template-columns:1fr}.vb-word-card{padding:22px}.vb-word-card-title h2{font-size:28px}.vb-search{display:grid;grid-template-columns:1fr;gap:9px}.vb-search input{max-width:none}.vb-search>span{font-size:11px}.vb-notice{flex-wrap:wrap;font-size:12px;padding:13px 15px}.vb-notice>.vb-button{width:100%}.vb-empty{padding:32px 21px}.vb-empty h2{font-size:22px}.vb-crumbs{margin-bottom:22px}.vb-page-heading h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){.vb *{transition:none!important;animation:none!important;scroll-behavior:auto!important}}