:root{--bg:#FCE3D9;--accent:#F47B4A;--text:#3C2B23;--muted:#7C7E80;--card:#ffffff}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.header{display:flex;justify-content:space-between;align-items:center;padding:18px 28px;border-bottom:1px solid rgba(60,43,35,.06);background:linear-gradient(180deg,#fff9,#fff3);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.brand{display:flex;align-items:center;gap:12px}.logo{width:56px;height:56px;border-radius:8px;object-fit:contain}.h1{font-size:18px;font-weight:700}.sub{font-size:12px;color:var(--muted)}.container{max-width:1100px;margin:28px auto;padding:0 16px}.card{background:var(--card);border-radius:12px;box-shadow:0 6px 20px #3c2b230f;padding:16px}.hero{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;margin-bottom:18px}.btn{background:var(--accent);color:#fff;padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:600;border:none;cursor:pointer}.grid{display:grid;grid-template-columns:1fr 320px;gap:18px}.sidebar{padding:12px;border-radius:10px;background:linear-gradient(180deg,#fff9,#fff6)}.moduleList{margin-top:10px}.moduleItem{display:flex;justify-content:space-between;align-items:center;padding:10px;border-radius:8px;border:1px solid rgba(60,43,35,.04);margin-bottom:8px;cursor:pointer}.videoBox{background:#000;border-radius:8px;height:360px;display:flex;align-items:center;justify-content:center;color:#fff}.small{font-size:13px;color:var(--muted)}.footer{text-align:center;font-size:12px;color:var(--muted);margin:36px 0}.loginBox{max-width:520px;margin:28px auto;padding:18px;border-radius:12px;background:linear-gradient(180deg,#fffc,#fff9);box-shadow:0 8px 30px #3c2b230f}.input{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(60,43,35,.08);margin-top:8px}.label{font-size:13px;color:var(--text);margin-top:8px}.thumbnail{height:96px;border-radius:8px;object-fit:cover;width:160px;background:#faf4f2;border:1px solid rgba(60,43,35,.03);display:block}.badge{background:var(--accent);color:#fff;padding:6px 8px;border-radius:6px;font-weight:700}