/* Tutorial: página longa e simples, no mesmo tema do app. */
body.tutorial { margin: 0; background: var(--bg); color: var(--text); }
.tut-head { text-align: center; padding: 32px 16px 16px; }
.tut-head h1 { margin: 8px 0 4px; }
main { max-width: 720px; margin: 0 auto; padding: 0 16px 32px; }
#toc { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 12px 16px; margin: 16px 0 24px; }
#toc ol { margin: 0; padding-left: 22px; display: grid; gap: 6px; }
#toc a { color: var(--accent); text-decoration: none; }
.step { scroll-margin-top: 12px; padding: 20px 0; border-top: 1px solid var(--line); }
.step h2 { margin: 0 0 8px; font-size: 1.3rem; }
.step ol { padding-left: 22px; display: grid; gap: 6px; }
.step code { background: var(--surface-2); border-radius: 6px; padding: 1px 6px; }
.step figure { margin: 16px 0 0; text-align: center; }
.step img { max-width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--line); }
.step figcaption { color: var(--muted); font-size: .85rem; margin-top: 6px; }
.tut-foot { text-align: center; padding: 8px 16px 40px; }
.tut-head .btn-link, .tut-foot .btn-link { width: min(100%, 310px); min-height: 42px; padding: 8px 18px; margin: 14px auto 0; }