.wto-learning-page{ min-height:100vh;padding:28px clamp(20px,5vw,80px);background:#101923;color:#e8f2f5;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.wto-learning-header{display:flex;align-items:center;justify-content:space-between;gap:20px}.wto-learning-brand{color:#7dd3fc;font-family:system-ui,sans-serif;font-size:23px;font-weight:750;text-decoration:none}.wto-learning-header nav{display:flex;flex-wrap:wrap;gap:18px}.wto-learning-header nav a{color:#a5bcc6;font-size:13px;text-decoration:none}.wto-learning-header nav a:hover{color:#7dd3fc}.wto-learning-page main{max-width:1080px;margin:80px auto}.wto-learning-intro{max-width:680px}.wto-eyebrow{margin:0 0 9px;color:#38bdf8;font-size:12px;text-transform:uppercase;letter-spacing:1.3px}.wto-learning-intro h1{margin:0;color:#f1fbff;font-family:system-ui,sans-serif;font-size:clamp(32px,5vw,56px);letter-spacing:-2px}.wto-learning-intro p:not(.wto-eyebrow){color:#a5bcc6;font-size:16px;line-height:1.7}.wto-practice-grid,.wto-lesson-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:45px}.wto-practice-grid button,.wto-lesson-grid button{min-height:150px;border:1px solid #284150;border-radius:12px;padding:18px;background:#152430;color:#e8f2f5;text-align:left;cursor:pointer;transition:transform .16s,border-color .16s,background .16s}.wto-practice-grid button:hover,.wto-lesson-grid button:hover{border-color:#38bdf8;background:#193344;transform:translateY(-3px)}.wto-practice-grid b{display:block;margin-bottom:10px;color:#7dd3fc;font-size:18px}.wto-practice-grid span{color:#a5bcc6;font-size:12px;line-height:1.5}.wto-lesson-grid button{display:flex;gap:15px;align-items:center;min-height:118px}.wto-lesson-grid b{display:grid;place-items:center;min-width:35px;height:35px;border-radius:50%;background:#df6c3b;color:#fff;}.wto-lesson-grid strong,.wto-lesson-grid small{display:block}.wto-lesson-grid small{margin-top:6px;color:#a5bcc6}.wto-practice-runner,.wto-lesson-runner{width: min(100%, 1120px);max-width: none;    margin: 0 auto 1.25rem;margin-top:38px;border:1px solid #284150;border-radius:14px;padding:25px;background:#152430}.wto-runner-top{display:flex;justify-content:space-between;gap:12px;color:#a5bcc6;font-size:13px}.wto-runner-top button,.wto-secondary-button{border:0;background:none;color:#df6c3b;font:inherit;cursor:pointer}.wto-runner-stats{display:flex;gap:32px;margin:28px 0 12px;color:#a5bcc6;font-size:12px}.wto-runner-stats strong{color:#f1fbff;font-size:19px}.wto-drill-text{min-height:140px;color:#758b94;font-size:26px;line-height:1.65}.wto-drill-text i{font-style:normal}.wto-drill-text i.is-correct{color:#e8f2f5}.wto-drill-text i.is-wrong{color:#fb7185;text-decoration:underline}.wto-drill-text i.is-current{border-left:2px solid #38bdf8}.wto-drill-input{width:100%;box-sizing:border-box;border:1px solid #3b5969;border-radius:8px;padding:13px;background:#0f1b24;color:#f1fbff;font:16px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;outline:0}.wto-drill-input:focus{border-color:#38bdf8}.wto-custom-entry{margin:22px 0}.wto-custom-entry label{display:block;margin-bottom:8px;color:#a5bcc6;font-size:13px}.wto-custom-entry textarea{width:100%;min-height:100px;box-sizing:border-box;border:1px solid #3b5969;border-radius:8px;padding:12px;background:#0f1b24;color:#f1fbff;font:inherit}.wto-custom-entry button,.wto-calculator button{margin-top:10px;border:0;border-radius:7px;padding:10px 14px;background:#38bdf8;color:#10202d;font:inherit;font-weight:700;cursor:pointer}.wto-lesson-keyboard{display:grid;gap:5px;width:max-content;margin:28px auto;padding:10px;border-radius:9px;background:#0f1b24}.wto-lesson-keyboard div{display:flex;gap:5px}.wto-lesson-keyboard i{display:grid;place-items:center;width:28px;height:25px;border-radius:4px;background:#1c3342;color:#a5bcc6;font-style:normal;font-size:12px}.wto-lesson-keyboard i.is-active{background:#38bdf8;color:#10202d}.wto-calculator{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:600px;margin-top:45px;border:1px solid #284150;border-radius:14px;padding:25px;background:#152430}.wto-calculator label{color:#a5bcc6;font-size:13px}.wto-calculator input{display:block;width:100%;box-sizing:border-box;margin-top:8px;border:1px solid #3b5969;border-radius:7px;padding:12px;background:#0f1b24;color:#f1fbff;font:inherit}.wto-calculator button{grid-column:1/-1}.wto-calculator-results{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.wto-calculator-results div{border-radius:10px;padding:18px;background:#0f1b24}.wto-calculator-results span{display:block;color:#a5bcc6;font-size:12px}.wto-calculator-results strong{color:#7dd3fc;font-size:44px}@media(max-width:800px){.wto-learning-page{padding:20px}.wto-learning-header{align-items:flex-start;flex-direction:column}.wto-learning-page main{margin:48px auto}.wto-practice-grid,.wto-lesson-grid{grid-template-columns:repeat(2,1fr)}.wto-drill-text{font-size:20px}.wto-calculator{grid-template-columns:1fr}}@media(max-width:430px){.wto-practice-grid,.wto-lesson-grid{grid-template-columns:1fr}.wto-runner-top{flex-wrap:wrap}.wto-runner-stats{gap:14px}.wto-calculator-results{grid-template-columns:1fr 1fr}}