/* The tutorial is a separate page: these styles never affect the calculator. */
.tutorial-page { background: #f5f8f2; color: #243a30; min-height: 100vh; }
.tutorial-page [hidden] { display: none !important; }
.tutorial-header {
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    max-width: 1240px; margin: auto; padding: 28px 40px;
    border-bottom: 1px solid #dce5d7;
}
.tutorial-header img { display: block; width: 180px; height: auto; }
.tutorial-return, .tutorial-footer a { color: #368235; text-decoration: none; font-size: 14px; font-weight: 700; }
.tutorial-return span, .tutorial-footer a span { margin-left: 10px; }
.tutorial-main { max-width: 1240px; margin: auto; padding: 48px 40px 28px; }
.tutorial-intro { margin-bottom: 36px; }
.tutorial-eyebrow { color: #368235; font-size: 11px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; margin: 0 0 14px; }
.tutorial-intro h1 { font-size: clamp(32px, 4.5vw, 52px); line-height: 1.08; letter-spacing: -1.6px; margin: 0 0 18px; font-weight: 700; }
.tutorial-intro > p:last-child { max-width: 510px; margin: 0; color: #5c6b60; font-size: 16px; line-height: 1.6; }
.tutorial-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 28px; align-items: start; }
.tutorial-lesson { min-width: 0; border: 1px solid #dce5d7; border-radius: 18px; background: white; overflow: hidden; box-shadow: 0 8px 30px #243a3008; }
.tutorial-player { position: relative; background: #17271f; padding: 12px; }
.tutorial-player video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #17271f; border-radius: 8px; }
.tutorial-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border: 0; border-radius: 10px; background: #fff; color: #286a28; box-shadow: 0 4px 24px #17271f40; font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; white-space: nowrap; }
.tutorial-play:hover { background: #ecf7ef; }
.tutorial-lesson-body { padding: 26px 28px; }
.tutorial-lesson-body .tutorial-eyebrow { margin-bottom: 10px; }
.tutorial-lesson h2 { font-size: 25px; line-height: 1.25; letter-spacing: -.5px; margin: 0 0 12px; }
.tutorial-description { color: #5c6b60; font-size: 15px; line-height: 1.6; margin: 0 0 14px; }
.tutorial-video-link { display: inline-block; color: #5c6b60; font-size: 12px; text-underline-offset: 3px; padding: 6px 0; }
.tutorial-video-error { color: #8a3227; font-size: 14px; line-height: 1.5; }
.tutorial-pagination { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid #e6ece2; margin-top: 22px; padding-top: 22px; }
.tutorial-pagination a { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; text-decoration: none; }
.tutorial-previous { color: #5c6b60; }
.tutorial-next { margin-left: auto; color: white; background: #368235; border-radius: 8px; padding: 10px 20px; }
.tutorial-next:hover { background: #286a28; }
.tutorial-outline { padding-top: 6px; }
.tutorial-outline-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0 4px 16px; }
.tutorial-outline h2 { font-size: 17px; margin: 0; }
.tutorial-outline-heading > span { font-size: 12px; color: #667565; white-space: nowrap; }
.tutorial-outline ol { list-style: none; padding: 0; margin: 0; }
.tutorial-outline li + li { margin-top: 5px; }
.tutorial-outline li a { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 17px 14px; border-radius: 10px; color: #425548; text-decoration: none; border: 1px solid transparent; }
.tutorial-outline li a:hover { background: #eaf1e4; }
.tutorial-outline li a[aria-current] { background: #e5f2dc; color: #285e25; border-color: #b9d5a6; }
.tutorial-number { color: #82917b; font-size: 13px; font-variant-numeric: tabular-nums; }
[aria-current] .tutorial-number { color: #368235; font-weight: 700; }
.tutorial-list-title { font-size: 14px; line-height: 1.4; }
[aria-current] .tutorial-list-title { font-weight: 700; }
.tutorial-duration { color: #667565; font-size: 12px; font-variant-numeric: tabular-nums; }
.tutorial-outline-note { color: #667565; font-size: 13px; line-height: 1.6; margin: 22px 14px 0; padding-top: 18px; border-top: 1px solid #dce5d7; }
.tutorial-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 38px; color: #667565; font-size: 13px; }
.tutorial-page a:focus-visible, .tutorial-page button:focus-visible, .tutorial-page video:focus-visible, #lessonTitle:focus-visible { outline: 3px solid #66a51b; outline-offset: 4px; border-radius: 5px; }
@media (max-width: 900px) {
    .tutorial-layout { grid-template-columns: minmax(0, 1fr); }
    .tutorial-header { padding: 22px 24px; }
    .tutorial-main { padding: 32px 24px 24px; }
    .tutorial-intro h1 br { display: none; }
    .tutorial-intro { margin-bottom: 26px; }
    .tutorial-outline { padding-top: 8px; }
}
@media (max-width: 480px) {
    .tutorial-header { padding: 20px 18px; gap: 14px; }
    .tutorial-header img { width: 132px; }
    .tutorial-return { font-size: 12px; }
    .tutorial-return span { margin-left: 3px; }
    .tutorial-main { padding: 28px 18px 24px; }
    .tutorial-eyebrow { font-size: 10px; letter-spacing: 1px; }
    .tutorial-intro > p:last-child { font-size: 15px; }
    .tutorial-player { padding: 6px; }
    .tutorial-lesson-body { padding: 22px 20px; }
    .tutorial-lesson h2 { font-size: 22px; }
    .tutorial-next { padding: 10px 14px; }
    .tutorial-footer { margin-top: 26px; }
}