/* BrainBuz app manual page */
.manual-page{background:#f1f2f0;color:#202322}
.manual-page .topbar{position:fixed;z-index:30;background:#fafbf8}.topbar-link{color:#59635c;font-size:12px;letter-spacing:.08em}.topbar-link:hover{text-decoration:underline;text-underline-offset:4px}
.manual{max-width:920px;margin:0 auto;padding:112px 24px 80px}
.manual-hero{padding:40px 0 36px}.manual-hero h1{font-size:clamp(34px,6vw,60px);line-height:1.15;letter-spacing:-.05em;margin:18px 0 20px;word-break:keep-all}.manual-hero p{max-width:620px;line-height:1.8;color:#444;word-break:keep-all}.manual-note{font-size:13px;color:#687269}
.manual-toc{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:1px;background:#c9ceca;border:1px solid #c9ceca;margin-bottom:64px}.manual-toc a{background:#fafbf8;padding:13px 14px;font-size:14px;letter-spacing:-.03em}.manual-toc a:hover{background:#fff;text-decoration:underline;text-underline-offset:4px}
.manual-section{padding:48px 0;border-top:1px solid #c9ceca}.manual-section>header{display:flex;align-items:baseline;gap:16px;margin-bottom:22px}.manual-section h2{font-size:clamp(24px,3.4vw,34px);letter-spacing:-.05em;margin:0;line-height:1.25;word-break:keep-all}.manual-section h3{font-size:18px;letter-spacing:-.04em;margin:34px 0 12px}.manual-section p,.manual-section li{line-height:1.8;font-size:15px;word-break:keep-all}.manual-section p{margin:0 0 14px;color:#333}
.goal{display:inline-block;background:#202322;color:#fff!important;padding:9px 14px;font-size:14px!important;margin-bottom:20px!important}.goal b{color:#f5a524}
.steps{list-style:none;counter-reset:s;padding:0;margin:0 0 18px;display:grid;gap:14px}.steps li{counter-increment:s;position:relative;padding-left:48px;min-height:34px}.steps li::before{content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;border-radius:50%;background:#f5a524;color:#111;display:grid;place-items:center;font-weight:700;font-size:14px;line-height:1}
.tips{margin:0 0 18px;padding:0 0 0 20px;display:grid;gap:8px}.tips li::marker{color:#f5a524}
.small{font-size:13px!important;color:#687269!important}
.callout{background:#fafbf8;border-left:3px solid #f5a524;padding:14px 16px;margin:22px 0!important;font-size:14px!important}
.cue-grid{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 14px}.cue-grid .app-cue{display:inline-block;margin:0}
.manual-table{width:100%;border-collapse:collapse;margin:8px 0 16px;font-size:14px;background:#fafbf8}.manual-table th,.manual-table td{border:1px solid #c9ceca;padding:11px 14px;text-align:left;vertical-align:top;line-height:1.6;word-break:keep-all}.manual-table th{background:#e8ebe6;font-weight:700;white-space:nowrap}
.download-card{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;background:#fafbf8;border:1px solid #c9ceca;padding:26px;margin-bottom:12px;align-items:center}.download-card h3{margin:0 0 14px}
.apk-meta{margin:0;display:grid;gap:6px;font-size:14px}.apk-meta>div{display:flex;gap:14px}.apk-meta dt{flex:0 0 76px;font-weight:700}.apk-meta dd{margin:0;color:#444}
#apkHash code{word-break:break-all;font-family:var(--mono)}
.download-btn{display:flex;align-items:center;justify-content:center;height:54px;background:#050505;color:#fff;font-size:15px;font-weight:700;letter-spacing:-.02em;margin-bottom:10px;cursor:pointer}.download-btn:hover{background:#333}.download-btn[aria-disabled=true]{background:#b8bdb9;color:#fff;cursor:not-allowed;pointer-events:none}
.faq details{background:#fafbf8;border:1px solid #c9ceca;margin-bottom:8px}.faq summary{padding:15px 16px;cursor:pointer;font-weight:700;font-size:15px;list-style:none;display:flex;justify-content:space-between}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+"}.faq details[open] summary::after{content:"−"}.faq details p{padding:0 16px 14px;margin:0}
@media(max-width:760px){.manual{padding:92px 18px 56px}.download-card{grid-template-columns:1fr;padding:20px}.steps li{padding-left:42px}.manual-section>header{gap:10px}.manual-table th{white-space:normal}}