/* rihan.io: same look as the Yalla app (system fonts, iOS greys, Yalla orange) */
@font-face{font-family:Nunito;font-weight:900;font-display:swap;src:url(/assets/fonts/nunito-latin-900-normal.woff2) format("woff2")}
:root{--bg:#F2F2F7;--panel:#FFFFFF;--ink:#1C1C1E;--muted:#6E6E73;--line:rgba(60,60,67,.13);--brand:#F2311D;--grad:linear-gradient(135deg,#FF8A1F,#F2311D);--ok:#34C759;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#000;--panel:#1C1C1E;--ink:#fff;--muted:#98989D;--line:rgba(84,84,88,.4);color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.5 -apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,Roboto,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
main{max-width:640px;margin:0 auto;padding:40px 16px 56px}
a{color:var(--brand)}
h1{font-size:30px;line-height:1.15;letter-spacing:-.025em;margin:0}
h2{font-size:20px;letter-spacing:-.02em;margin:0 0 6px}
p{margin:8px 0}
.muted{color:var(--muted);font-size:15px}
.brand{display:flex;align-items:center;gap:14px;margin-bottom:28px;text-decoration:none;color:inherit}
.brand img{width:56px;height:56px;border-radius:13px;box-shadow:0 8px 22px rgba(242,49,29,.28)}
.wordmark{font:900 34px/1 Nunito,-apple-system,sans-serif;letter-spacing:-.03em}
.tagline{color:var(--muted);font-size:15px;margin-top:2px}
.card{background:var(--panel);border-radius:18px;padding:18px 20px;margin-top:16px}
.code{font:700 34px/1 ui-monospace,"SF Mono",Menlo,monospace;letter-spacing:.12em;text-align:center;padding:18px 8px;margin:14px 0 4px;background:var(--bg);border-radius:14px;user-select:all;-webkit-user-select:all}
ol.steps{list-style:none;margin:6px 0 0;padding:0;counter-reset:s}
ol.steps li{counter-increment:s;display:grid;grid-template-columns:34px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
ol.steps li:first-child{border-top:0}
ol.steps li::before{content:counter(s);width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;font-size:15px;display:grid;place-items:center}
.step-title{font-weight:600}
.btn{display:flex;align-items:center;justify-content:center;min-height:50px;margin-top:10px;padding:12px 18px;border-radius:14px;background:var(--grad);color:#fff;font-weight:600;font-size:17px;text-decoration:none;border:0;cursor:pointer;width:100%}
.btn.ghost{background:var(--bg);color:var(--ink)}
.btn[aria-disabled=true]{opacity:.45;pointer-events:none}
.note{font-size:14px;color:var(--muted);margin-top:8px}
.tabs{display:flex;gap:6px;background:var(--panel);border-radius:12px;padding:4px;margin-top:16px}
.tabs button{flex:1;min-height:40px;border:0;border-radius:9px;background:transparent;color:var(--ink);font:600 15px/1 inherit;cursor:pointer}
.tabs button[aria-selected=true]{background:var(--bg)}
.hidden{display:none!important}
footer{margin-top:36px;color:var(--muted);font-size:14px;text-align:center}
footer a{color:var(--muted)}
ul.plain{padding-left:20px;margin:6px 0}
ul.plain li{margin:4px 0}
section.card h2{margin-top:2px}