/* Shared English tutorial card; videos load only after opening the dialog. */
.tutorial-video { margin: 34px 0 46px; color: var(--ink); }
.method-guide > .tutorial-video { margin: 0 0 34px; }
.tutorial-video-card { display: grid; grid-template-columns: 150px minmax(0, 1fr); align-items: center; gap: 32px; padding: 16px 36px 16px 16px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(115deg, var(--accent-soft), var(--surface) 70%); color: var(--ink); text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.tutorial-video-card:hover { border-color: var(--accent); box-shadow: 0 8px 26px #1017220d; }
.tutorial-video-card:focus-visible, .tutorial-video-dialog :is(button, a):focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.tutorial-video-poster { position: relative; display: block; width: 150px; aspect-ratio: 9 / 16; overflow: hidden; border-radius: 14px; background: #172236; box-shadow: 0 7px 18px #10172226; }
.tutorial-video-poster img { display: block; width: 100%; height: 100%; object-fit: cover; }
.tutorial-video [hidden] { display: none !important; }
.tutorial-video-play { position: absolute; left: 50%; top: 50%; display: grid; place-items: center; width: 48px; height: 48px; transform: translate(-50%, -50%); border: 1px solid #ffffff9c; border-radius: 50%; background: #111827b3; box-shadow: 0 4px 16px #0003; }
.tutorial-video-play svg { width: 24px; height: 24px; fill: #fff; }
.tutorial-video-copy { display: flex; align-items: flex-start; flex-direction: column; gap: 12px; min-width: 0; }
.tutorial-video-eyebrow { color: var(--accent-readable, var(--accent)); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.tutorial-video-heading { display: block; font-size: clamp(24px, 3vw, 34px); font-weight: 700; line-height: 1.2; letter-spacing: -.025em; }
.tutorial-video-description { max-width: 650px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.tutorial-video-language { color: var(--muted); font-size: 12px; line-height: 1.5; }
.tutorial-video-action { display: inline-flex; align-items: center; justify-content: center; gap: 12px; margin-top: 4px; padding: 8px 10px 8px 18px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 14px; font-weight: 600; line-height: 1.5; }
.tutorial-video-action > span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: #ffffff2e; }
.tutorial-video-action .icon { width: 18px; height: 18px; }
.tutorial-video-dialog { width: min(470px, calc(100% - 28px)); max-height: calc(100dvh - 28px); padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); color: var(--ink); box-shadow: 0 25px 90px #0006; overflow: auto; }
.tutorial-video-dialog::backdrop { background: #080f20c4; backdrop-filter: blur(4px); }
.tutorial-video-dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 12px; }
.tutorial-video-dialog-heading h2 { margin: 0; font-size: 16px; line-height: 1.35; }
.tutorial-video-dialog-heading button { flex: 0 0 40px; width: 40px; height: 40px; }
.tutorial-video-dialog video { display: block; width: min(100%, 38.25dvh, 405px); height: auto; aspect-ratio: 9 / 16; max-width: 100%; margin: 0 auto; border-radius: 10px; background: #101721; }
.tutorial-video-error { color: var(--accent-readable, var(--accent)); font-size: 13px; line-height: 1.5; }
@media (max-width: 600px) {
    .tutorial-video-card { grid-template-columns: 110px minmax(0, 1fr); gap: 20px; padding: 14px; border-radius: 18px; }
    .tutorial-video-poster { width: 110px; border-radius: 10px; }
    .tutorial-video-copy { gap: 8px; }
    .tutorial-video-heading { font-size: 23px; }
    .tutorial-video-description { font-size: 13px; }
    .tutorial-video-eyebrow { font-size: 10px; }
    .tutorial-video-action { gap: 8px; padding: 6px 8px 6px 12px; font-size: 12px; }
    .tutorial-video-action > span { width: 24px; height: 24px; }
}
@media (max-width: 390px) {
    .tutorial-video-card { grid-template-columns: 90px minmax(0, 1fr); gap: 14px; padding: 12px; }
    .tutorial-video-poster { width: 90px; }
    .tutorial-video-heading { font-size: 20px; }
    .tutorial-video-description { display: none; }
    .tutorial-video-play { width: 38px; height: 38px; }
}
@media (prefers-reduced-motion: reduce) { .tutorial-video-card { transition: none; } }
@media print { .tutorial-video { display: none; } }

.tutorial-video-dialog video::cue { color: #fff; background: #101721eb; font-family: Arial, sans-serif; font-size: clamp(12px, 2.8vw, 16px); line-height: 1.25; white-space: pre-line; }

.tutorial-video-dialog video:fullscreen::cue { font-size: min(3vh, 5vw); }

/* Keep English video copy readable inside every translated guide. */
.tutorial-video[lang="en"]{font-family:"Google Sans Flex",sans-serif}
.keyboard-guide>.tutorial-video{margin:0 0 30px}