.guide-dialog{box-sizing:border-box;width:min(1100px,96vw);height:92vh;max-height:92dvh;padding:0;border:1px solid #46617c;border-radius:16px;background:#0b1725;color:#edf4ff;box-shadow:0 24px 90px #0009;overflow:hidden}.guide-dialog::backdrop{background:#020914bd}.guide-dialog[open]{display:flex;flex-direction:column}.guide-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;font:16px system-ui}.guide-dialog-header button{background:#233d59;color:white;border:1px solid #6988a8;border-radius:8px;padding:10px 16px;cursor:pointer}.guide-dialog iframe{width:100%;flex:1;min-height:0;border:0;background:#0b1725}.guide-dialog button:focus-visible{outline:3px solid #79dce0;outline-offset:2px}