/* The schedule starts with the selected course and real next session. */
body[data-page="lo-trinh"] .site-header{position:relative;inset:auto;transform:none;margin:18px auto;width:calc(100% - 36px);max-width:1200px}
body[data-page="lo-trinh"] .tracker-board{padding:clamp(18px,3vw,38px)}
body[data-page="lo-trinh"] .buoi .body{min-width:0}
body[data-page="lo-trinh"] .buoi .b-title{font-family:var(--tl-font-ui);font-size:18px;line-height:1.55;font-weight:600}
body[data-page="lo-trinh"] .buoi .b-desc{font-size:16px;line-height:1.65}
body[data-page="lo-trinh"] .course-sub a{color:var(--tl-focus,#1f7087)}
body[data-page="lo-trinh"] .tracker{padding-top:26px;scroll-margin-top:18px}
body[data-page="lo-trinh"] .section-heading{margin-bottom:18px}
body[data-page="lo-trinh"] .section-heading h1{font-family:var(--tl-font-ui);font-size:clamp(26px,4vw,38px);line-height:1.2;margin:0 0 8px}
body[data-page="lo-trinh"] .section-heading p{margin:0;max-width:65ch}
.roadmap-course-label{display:block;font-size:16px;margin-bottom:8px}
#courseSelect{min-height:50px;width:100%;max-width:420px;border:1px solid currentColor;border-radius:12px;background:transparent;color:inherit;padding:8px 12px;font:inherit;font-size:16px}
#courseSelect option{background:#172833;color:#fff}
html[data-theme="light"] #courseSelect option{background:#fff;color:#172833}
.roadmap-next{margin:18px 0;padding:18px 0;border-block:1px solid currentColor;scroll-margin-top:18px}
.roadmap-next-label{font-weight:600;margin:0 0 8px}
.roadmap-next h2{font:600 clamp(20px,3vw,28px)/1.4 var(--tl-font-ui);margin:0 0 8px}
.roadmap-next p{font-size:16px;line-height:1.6}
.roadmap-actions{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}
.roadmap-actions a{display:flex;align-items:center;justify-content:center;min-height:50px;padding:8px 18px;border:1px solid currentColor;border-radius:12px;font-size:16px;color:inherit;text-decoration:none}
.roadmap-actions a:first-child{background:var(--tl-seal,#a53b2e);border-color:var(--tl-seal,#a53b2e);color:#fff}
.roadmap-session-link{display:flex;align-items:center;min-height:44px;color:inherit;text-decoration:underline;text-underline-offset:4px}
.roadmap-hint{margin:8px 0 0;font-size:16px}
.roadmap-next:focus{outline:2px solid var(--tl-focus,#1f7087);outline-offset:4px}
#courseSelect:focus-visible,.roadmap-actions a:focus-visible,.roadmap-session-link:focus-visible{outline:3px solid var(--tl-focus,#1f7087);outline-offset:4px}
@media(max-width:600px){body[data-page="lo-trinh"] .tracker{padding-top:18px}.roadmap-next{padding:12px 0}.roadmap-actions{gap:8px}.roadmap-actions a{flex:1 1 100%}}