#courseCenter{--course-blue:#5bc4e5;color:#f3f4f6;font-family:Inter,system-ui,sans-serif;max-width:1160px;margin:auto}#courseCenter button,#courseCenter input{font:inherit}#courseCenter button{cursor:pointer;border:1px solid #46515d;border-radius:6px;background:#1b222b;color:#f3f4f6;padding:10px 15px}#courseCenter button:disabled{opacity:.45;cursor:not-allowed}#courseCenter button:focus-visible,#courseCenter input:focus-visible,#courseCenter a:focus-visible{outline:3px solid #5bc4e5;outline-offset:3px}.course-hero{padding:35px 0 27px}.course-eyebrow{font:11px monospace;letter-spacing:.17em;color:#5bc4e5}.course-hero h1{font:500 clamp(40px,5vw,70px)/1.04 Georgia,serif;margin:20px 0}.course-hero h1 em{color:#e8cf91}.course-hero p{max-width:630px;color:#b8c0c9;font-size:16px;line-height:1.7}.course-progress{font-size:12px;color:#5bc4e5;margin-top:22px}.course-toolbar{border-top:1px solid #46515d;padding:23px 0}.course-toolbar label{display:block;font-size:12px;color:#b8c0c9}.course-toolbar input{display:block;width:100%;padding:15px;border:1px solid #46515d;border-radius:6px;background:#141a22;color:#fff;margin-top:8px}.course-filters{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.course-filters [aria-pressed="true"]{border-color:#5bc4e5!important;color:#5bc4e5!important;background:#152d39!important}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.course-card{border:1px solid #35424f;background:#141a22;border-radius:10px;overflow:hidden;display:flex;flex-direction:column}.course-card-top{position:relative;aspect-ratio:16/9;background:#1b222b}.course-card-top img{width:100%;height:100%;object-fit:cover}.course-duration{position:absolute;right:10px;bottom:10px;background:#10151e;padding:5px 8px;font-size:11px;border-radius:4px}.course-card-body{padding:21px;display:flex;flex-direction:column;flex:1}.course-card-body>small{color:#5bc4e5;text-transform:uppercase;font:10px monospace;letter-spacing:.12em}.course-card-body h2{font-size:20px;line-height:1.3;margin:12px 0}.course-card-body p{font-size:13px;line-height:1.6;color:#b8c0c9;flex:1}.course-card-body button{align-self:flex-start;margin-top:12px}.course-coming{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:13px;font:11px monospace;color:#5bc4e5}.course-coming strong{font:700 38px Inter,system-ui;color:#e8cf91}.course-coming small{font-size:9px}.course-help{padding:32px 0;border-top:1px solid #35424f;margin-top:35px}.course-help p{color:#b8c0c9;line-height:1.65;font-size:14px}.course-help a{color:#5bc4e5}.course-dialog{margin:auto;box-sizing:border-box;width:min(1000px,94vw);max-height:92vh;background:#141a22;color:#f3f4f6;border:1px solid #536273;border-radius:12px;padding:26px}.course-dialog::backdrop{background:#000c}.course-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.course-dialog h2{margin:8px 0 20px}.course-dialog small{color:#5bc4e5}.course-dialog video{display:block;width:100%;max-height:55vh;background:#070b10}.course-video-note{font-size:11px;color:#9eaab7}.course-dialog li{font-size:14px;line-height:1.75;margin-bottom:14px}.course-dialog ol{padding-left:24px}.course-lesson-actions{display:flex;gap:12px;flex-wrap:wrap}.course-lesson-actions a{color:#5bc4e5}.course-dialog #courseSaveStatus{color:#5bc4e5;font-size:12px}#courseCenterNav{background:transparent;border:1px solid #746c55;color:#e8cf91;width:100%;text-align:left;font:600 12px Inter,system-ui;margin-bottom:8px}@media(max-width:900px){.course-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.course-grid{grid-template-columns:1fr}.course-dialog{padding:16px}.course-hero h1{font-size:43px}}