.intro-dialog { width: min(520px, calc(100% - 24px)); max-height: calc(100dvh - 24px); padding: 24px 30px; border-radius: 28px; }
.intro-top, .intro-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.intro-top { color: var(--color-muted); font-size: 13px; }
.intro-top button, #intro-back { background: transparent; padding: 0 10px; text-decoration: underline; text-underline-offset: 4px; }
.intro-art { height: 174px; background: var(--color-cream); border-radius: 18px; overflow: hidden; margin: 8px 0 22px; }
.intro-art .town-diorama { display: block; width: 100%; height: 100%; }
.intro-eyebrow { font-size: 12px; font-weight: 800; letter-spacing: 1.1px; text-transform: uppercase; color: var(--color-muted); margin: 0 0 10px; }
.intro-dialog h2 { font-size: clamp(25px, 5vw, 33px); line-height: 1.08; margin: 0 0 16px; }
.intro-text { font-size: 17px; line-height: 1.45; margin: 0 0 16px; }
.intro-note { font-size: 14px; line-height: 1.45; background: var(--color-cream); padding: 14px; border-radius: 12px; margin: 18px 0; }
.intro-steps { list-style: none; padding: 0; margin: 16px 0; counter-reset: step; display: grid; gap: 14px; }
.intro-steps li { position: relative; padding-left: 39px; counter-increment: step; }
.intro-steps li::before { content: counter(step); position: absolute; left: 0; top: 1px; width: 27px; height: 27px; border-radius: 50%; background: var(--color-accent); display: grid; place-items: center; font-weight: 800; color: var(--color-ink); }
.intro-steps strong, .intro-steps span { display: block; }
.intro-steps span { font-size: 14px; margin-top: 3px; }
.intro-actions .primary-button { flex: 1; margin: 0; white-space: normal; min-height: 50px; }
.help-guide h3 { margin-bottom: 6px; }
.help-guide ol { padding-left: 22px; }
.help-guide li { margin-bottom: 12px; }
.help-guide details { border-top: 1px solid var(--color-rule); padding: 14px 0; }
.help-guide summary { cursor: pointer; font-weight: 700; min-height: 32px; }
.help-guide .intro-note { margin-top: 0; }
#replay-intro { margin-bottom: 12px; width: 100%; }
@media (max-width: 480px) { .intro-dialog { padding: 16px 20px 20px; } .intro-art { height: 140px; margin-bottom: 16px; } .intro-text { font-size: 16px; } }
@media (max-height: 660px) { .intro-art { height: 100px; margin-bottom: 12px; } }
.intro-top > span { max-width: 175px; }
#intro-progress { white-space: nowrap; }
#intro-heading:focus { outline: none; }
.intro-actions { background: var(--color-paper); padding: 12px 0 2px; }
@media (max-width: 480px) { .intro-top { font-size: 11px; gap: 4px; } .intro-top > span { max-width: 180px; } }
.intro-dialog[open] { display: flex; flex-direction: column; overflow: hidden; }
#intro-content { min-height: 0; overflow-y: auto; }
.intro-top, .intro-actions { flex-shrink: 0; }
.intro-brand-products { height: 100%; display: flex; align-items: center; justify-content: center; gap: 24px; background: var(--color-brand); padding: 12px; }
.intro-brand-products > img { width: 110px; height: 100%; object-fit: contain; }
.intro-brand-products > span { height: 85%; display: flex; align-items: center; gap: 8px; }
.intro-brand-products svg { height: 100%; width: auto; }
@media(max-width:480px) { .intro-brand-products { gap: 14px; } .intro-brand-products > img { width: 90px; } }