:root{--bg:#e6e5e2;--bar:rgba(18,18,18,.9);--fg:#f2f0ea;--bar-h:92px;--ui:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:#222;font:500 12px/1.2 var(--ui);overflow:hidden}
.stage{position:fixed;inset:0 0 var(--bar-h) 0;display:flex;align-items:center;justify-content:center;gap:40px;padding:16px 24px 0}
.pane{display:flex;flex-direction:column;align-items:center;gap:8px;flex:none}
.cap{font:600 11px/1 var(--ui);letter-spacing:.12em;text-transform:uppercase;color:#6d6b66}
.shell{position:relative;background:#fff;box-shadow:0 10px 40px rgba(0,0,0,.18),0 0 0 1px rgba(0,0,0,.08);overflow:hidden}
.desk{border-radius:10px}.phone{border-radius:34px;background:#111;padding:8px;box-shadow:0 10px 40px rgba(0,0,0,.25)}
.topstrip{height:22px;background:#f4f3f0;border-bottom:1px solid rgba(0,0,0,.08);display:flex;align-items:center;gap:6px;padding:0 10px}
.topstrip i{width:8px;height:8px;border-radius:50%;background:#c9c7c1}
.vp{position:relative;overflow:hidden;border-radius:inherit}
.phone .vp{border-radius:27px;background:#fff}
iframe{position:absolute;left:0;top:0;border:0;background:#fff;transform-origin:0 0}
#f-desktop{width:1440px;height:900px}#f-phone{width:390px;height:844px}
.bar{position:fixed;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translateX(-50%);z-index:50;display:flex;align-items:center;gap:18px;
  padding:10px 18px;border-radius:22px;background:var(--bar);color:var(--fg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 8px 30px rgba(0,0,0,.28);max-width:calc(100vw - 24px)}
.grp{display:flex;flex-direction:column;align-items:center;gap:7px}
.lbl{font:600 10px/1 var(--ui);letter-spacing:.12em;text-transform:uppercase;opacity:.6}
.row{display:flex;gap:6px}
.row button{position:relative;width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.22);background:none;color:inherit;font:600 13px/1 var(--ui);cursor:pointer;padding:0}
.row button:hover:not(:disabled){background:rgba(255,255,255,.12)}
.row button[aria-pressed="true"]{background:var(--fg);color:#141414;border-color:var(--fg)}
.row button:disabled{opacity:.35;cursor:not-allowed}
.row button[data-tip]:hover::after,.row button[data-tip]:focus-visible::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 12px);left:50%;transform:translateX(-50%);
  white-space:nowrap;background:#000;color:#fff;font:500 12px/1 var(--ui);padding:7px 10px;border-radius:8px;pointer-events:none}
.row button.wide{width:auto;border-radius:999px;padding:0 14px;white-space:nowrap}
.stage,.guide{transition:opacity .3s ease,visibility .3s}
.stage.off,.guide:not(.on){opacity:0;visibility:hidden;pointer-events:none}
.guide{position:fixed;inset:0 0 var(--bar-h) 0;z-index:10;display:flex;justify-content:center;padding:16px 24px 8px}
.gp{position:relative;width:100%;max-width:1200px;height:100%;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 40px rgba(0,0,0,.22),0 0 0 1px rgba(0,0,0,.08)}
.gp iframe{width:100%;height:100%}
.gx{position:absolute;top:12px;right:22px;border:0;border-radius:999px;background:rgba(18,18,18,.9);color:var(--fg);font:600 12px/1 var(--ui);padding:10px 14px;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.gx:hover{background:#000}.gx:focus-visible{outline:2px solid #e9c77b;outline-offset:2px}
@media (prefers-reduced-motion:reduce){.stage,.guide{transition:none}}
.sep{width:1px;align-self:stretch;background:rgba(255,255,255,.15)}
.tools{display:flex;gap:4px;align-items:center}
.tools button,.tools a{color:inherit;font:inherit;text-decoration:none;border:0;background:none;cursor:pointer;border-radius:999px;padding:9px 11px;white-space:nowrap}
.tools button:hover,.tools a:hover{background:rgba(255,255,255,.1)}
.tools button[aria-pressed="true"]{background:#e9c77b;color:#141414}
.bar :focus-visible,.gate :focus-visible{outline:2px solid #e9c77b;outline-offset:2px}
.now{position:fixed;left:0;right:0;bottom:calc(var(--bar-h) - 6px);text-align:center;color:#55534e;font:500 12px/1 var(--ui);pointer-events:none}
.gate{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(230,229,226,.55);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.gate[hidden]{display:none}
.gate-card{max-width:360px;text-align:center;background:rgba(18,18,18,.92);color:var(--fg);border-radius:20px;padding:28px 24px;box-shadow:0 12px 40px rgba(0,0,0,.3)}
.gate-card h1{margin:0 0 10px;font:600 20px/1.2 var(--ui)}.gate-card p{margin:0 0 18px;font:400 14px/1.5 var(--ui);opacity:.8}
.gate-card button{border:0;border-radius:999px;background:var(--fg);color:#141414;font:600 13px/1 var(--ui);padding:12px 18px;cursor:pointer}