.tutorial-trigger{position:absolute;top:18px;right:40px;z-index:4;display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:0 13px;color:var(--white);font:800 12px/1 var(--font-ui);letter-spacing:.02em;background:var(--canvas);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 20px #0000002e;cursor:pointer;backdrop-filter:blur(8px);transition:color .16s ease,border-color .16s ease,background .16s ease,transform .16s ease}.tutorial-trigger:before{content:"▶";color:var(--orange);font-size:9px}.tutorial-trigger:hover{color:var(--yellow);background:var(--surface);border-color:var(--orange);transform:translateY(-1px)}.tutorial-trigger:focus-visible{outline:2px solid var(--yellow);outline-offset:3px}.display-controls .tutorial-trigger{position:static;z-index:auto;min-height:34px}.tutorial-dialog{width:min(960px,calc(100vw - 32px));max-width:none;max-height:calc(100dvh - 48px);padding:0;overflow:hidden;color:var(--white);background:var(--black);border:1px solid var(--line);border-radius:12px;box-shadow:0 30px 90px #000000a6}.tutorial-dialog::backdrop{background:#000000c7;backdrop-filter:blur(5px)}.tutorial-dialog[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto}.tutorial-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:16px 18px;border-bottom:1px solid var(--line)}.tutorial-dialog-kicker{margin:0 0 5px;color:var(--orange);font:800 10px/1 var(--font-data);letter-spacing:.13em}.tutorial-dialog h2{margin:0;color:var(--white);font-size:20px;letter-spacing:-.035em}.tutorial-close{display:grid;place-items:center;flex:0 0 auto;width:34px;height:34px;padding:0;color:var(--muted);font-size:23px;line-height:1;background:transparent;border:1px solid var(--line);border-radius:8px;cursor:pointer}.tutorial-close:hover{color:var(--white);border-color:var(--muted)}.tutorial-close:focus-visible{outline:2px solid var(--yellow);outline-offset:2px}.tutorial-video{min-height:0;background:#000;aspect-ratio:16 / 9}.tutorial-video iframe{display:block;width:100%;height:100%;border:0}.tutorial-caption{margin:0;padding:12px 18px;color:var(--muted);font-size:11px;line-height:1.7;border-top:1px solid var(--line)}@media(max-width:560px){.tutorial-trigger{min-height:34px;padding:0 10px;font-size:11px}.tutorial-dialog{width:calc(100vw - 16px);max-height:calc(100dvh - 24px);border-radius:10px}.tutorial-dialog-head{padding:13px 14px}.tutorial-caption{padding:10px 14px}}@media(max-width:360px){.display-controls .tutorial-trigger{width:34px;min-width:34px;padding:0;font-size:0}.display-controls .tutorial-trigger:before{font-size:9px}}@media(prefers-reduced-motion:reduce){.tutorial-trigger{transition:none}}