.wrap{max-width:440px;margin:0 auto;padding:20px 16px 28px}
/* Card matches the existing .pd-chat-demo look */
.pd-demo{--pd-ink:#111;--pd-ink2:#666;--pd-line:#dcdcdc;--pd-paper:#fff;--pd-link:#1a8cff;--pd-ok:#43a047;background:#fff;color:#111;font-family:Lato,"Helvetica Neue",Helvetica,Arial,sans-serif;border:1px solid var(--border,#dcdcdc);border-radius:28px;padding:16px;box-shadow:var(--shadow-3,0 10px 30px rgba(0,0,0,.08));max-width:400px;margin:0 auto;width:100%}
.pd-demo *{box-sizing:border-box}
.steps{display:flex;gap:6px;margin:2px 2px 10px}
.steps .pd-s{flex:1;font-size:11px;font-weight:700;letter-spacing:.02em;color:#9a9a9a;border-top:3px solid #e4e4e4;padding-top:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.steps .pd-s.pd-on{color:var(--pd-ink);border-top-color:var(--pd-ink)}
.pd-viewport{position:relative;width:100%;aspect-ratio:360/500;border-radius:20px;overflow:hidden;border:1px solid var(--pd-line);background:#fff}
.pd-stage{position:absolute;left:0;top:0;width:360px;height:500px;transform-origin:0 0;background:#fff}
/* App screens */
.pd-screen{position:absolute;inset:0;background:#fff;opacity:0;visibility:hidden;transform:translateX(14px);transition:opacity .28s,transform .28s,visibility 0s .28s}
.pd-screen.pd-active{opacity:1;visibility:visible;transform:none;transition:opacity .28s,transform .28s}
.pd-bar{height:56px;display:flex;align-items:center;gap:14px;padding:0 16px;font-size:20px;font-weight:500}
.pd-bar svg{width:22px;height:22px;flex:none}
.pd-bar .pd-right{margin-left:auto}
.pd-banner{background:var(--pd-banner);color:#777;font-size:13px;line-height:1.35;padding:10px 15px}
.pd-banner b{color:var(--pd-link);text-decoration:underline;font-weight:700}
.pd-label{font-size:17px;color:#888;padding:10px 15px 6px;border-bottom:1px solid var(--pd-line);margin:0 15px 0 15px;padding-left:0}
.pd-row{display:flex;align-items:center;gap:14px;padding:11px 15px}
.pd-row .pd-ic{width:22px;height:22px;flex:none}
.pd-row .pd-t{flex:1;min-width:0}
.pd-row .pd-t b{display:block;font-weight:500;font-size:19px;line-height:1.2}
.pd-row .pd-t span{display:block;color:#777;font-size:16px;line-height:1.25;margin-top:2px}
.pd-row .pd-chev{width:16px;height:16px;color:#888;flex:none}
.pd-toggle{width:40px;height:24px;border-radius:12px;background:#111;position:relative;flex:none}
.pd-toggle:after{content:"";position:absolute;right:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff}
/* centred empty state */
.pd-center{position:absolute;left:0;right:0;top:130px;text-align:center;padding:0 18px;font-size:17px;line-height:1.35}
.pd-logo{width:48px;height:48px;border-radius:50%;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:26px;margin:0 auto 14px;overflow:hidden}
.pd-logo img{width:100%;height:100%;display:block}
.pd-inputbar{position:absolute;left:8px;right:8px;bottom:10px;height:46px;border-radius:23px;background:#eee;display:flex;align-items:center;padding:0 8px 0 20px;font-size:17px}
.pd-inputbar .pd-pre{color:var(--pd-ink);margin-right:5px}
.pd-inputbar .pd-typed{color:var(--pd-ink)}
.pd-inputbar .pd-caret{display:inline-block;width:1px;height:20px;background:#111;margin-left:1px;animation:pd-blink 1s steps(1) infinite}
@keyframes pd-blink{50%{opacity:0}}
.pd-send{margin-left:auto;width:34px;height:34px;border-radius:50%;background:#111;display:flex;align-items:center;justify-content:center;flex:none}
.pd-send svg{width:16px;height:16px;color:#fff}
.pd-btn{position:absolute;left:8px;right:8px;bottom:10px;height:46px;border-radius:23px;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
/* crawled list */
.pd-list{position:absolute;left:0;right:0;top:56px;bottom:0;overflow:hidden;padding-top:4px}
.pd-item{display:flex;gap:14px;align-items:flex-start;padding:9px 15px;font-size:16px;line-height:1.3;opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s}
.pd-item.pd-in{opacity:1;transform:none}
.pd-item .pd-u{word-break:break-word;padding-top:1px}
.pd-cb{width:22px;height:22px;border-radius:5px;background:#9a9a9a;flex:none;display:flex;align-items:center;justify-content:center;transition:background .15s;margin-top:1px}
.pd-cb svg{width:16px;height:16px;color:#fff}
.pd-cb.pd-off{background:#fff;border:2px solid #aaa}
.pd-cb.pd-off svg{display:none}
.pd-fade{position:absolute;left:0;right:0;bottom:0;height:90px;background:linear-gradient(rgba(255,255,255,0),#fff 70%);pointer-events:none}
/* status list */
.pd-srow{display:flex;gap:12px;padding:10px 15px;border-bottom:1px solid var(--pd-line);opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s}
.pd-srow.pd-in{opacity:1;transform:none}
.pd-srow .pd-ico{width:26px;flex:none;padding-top:2px;color:#888}
.pd-srow .pd-ico svg{width:24px;height:24px}
.pd-srow.pd-done .pd-ico{color:var(--pd-ok)}
.pd-srow .pd-tx{flex:1;min-width:0;font-size:16px;line-height:1.3}
.pd-srow .pd-tt{font-size:18px}
.pd-srow .pd-url{font-style:italic;word-break:break-all}
.pd-srow .pd-st{display:flex;justify-content:space-between;color:#8a8a8a;font-size:15px;margin-top:1px}
.pd-srow .pd-done-only{display:none}
.pd-srow.pd-done .pd-done-only{display:block}
.pd-srow.pd-done .pd-wait-only{display:none}
.pd-srow .pd-dots{line-height:1}
/* file picker */
.pd-picker{position:absolute;inset:0;background:#fff;z-index:6;transform:translateY(100%);transition:transform .3s}
.pd-picker.pd-on{transform:none}
.pd-picker .pd-ph{height:56px;display:flex;align-items:center;padding:0 16px;font-size:20px;font-weight:500;border-bottom:1px solid var(--pd-line)}
.pd-picker .pd-pl2{padding:6px 0}
.pd-pf{display:flex;align-items:center;gap:14px;padding:11px 16px;font-size:15px}
.pd-pf .pd-fi{width:38px;height:38px;border-radius:8px;background:#e8eaed;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#555;flex:none}
.pd-pf .pd-fi.pd-pdf{background:#fde7e5;color:#d93025}
.pd-pf small{display:block;color:#8a8a8a;font-size:12px}
.pd-pf.pd-sel{background:#dbe8fd}
/* overlay + toast */
.pd-overlay{position:absolute;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .2s;z-index:6}
.pd-overlay.pd-on{opacity:1;visibility:visible}
.pd-overlay .pd-pl{background:#0d0d0d;color:#fff;border-radius:10px;width:130px;padding:16px 0 14px;text-align:center;font-size:15px}
.pd-spin{width:32px;height:32px;margin:0 auto 12px;border-radius:50%;border:4px solid #444;border-top-color:#fff;animation:pd-sp .8s linear infinite}
@keyframes pd-sp{to{transform:rotate(360deg)}}
.pd-toast{position:absolute;left:10px;right:10px;top:8px;background:#0d0d0d;color:#fff;border-radius:14px;padding:12px 14px;display:flex;gap:10px;font-size:14px;line-height:1.35;transform:translateY(-130%);transition:transform .35s;z-index:7}
.pd-toast.pd-on{transform:none}
.pd-toast svg{width:22px;height:22px;color:var(--pd-ok);flex:none;margin-top:1px}
/* tap pointer */
.pd-tap{position:absolute;left:0;top:0;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;background:rgba(0,0,0,.16);border:2px solid rgba(0,0,0,.4);pointer-events:none;opacity:0;z-index:9;transition:transform .55s cubic-bezier(.3,.7,.3,1),opacity .2s}
.pd-tap.pd-show{opacity:1}
.pd-tap.pd-press{background:rgba(0,0,0,.3)}
.pd-ta{position:absolute;left:8px;right:8px;top:60px;bottom:64px;border-radius:22px;background:#eee;padding:16px 18px;font-size:17px;line-height:1.55;color:#111;overflow:hidden}
.pd-ta .pd-caret{display:inline-block;width:1px;height:19px;background:#111;vertical-align:-3px;margin-left:1px;animation:pd-blink 1s steps(1) infinite}
.pd-dlg{background:#fff;border-radius:24px;width:296px;padding:22px 24px 18px;color:#111}
.pd-dlg h4{margin:0 0 14px;font-size:24px;font-weight:500}
.pd-dlg p{margin:0 0 26px;font-size:16px;line-height:1.35}
.pd-dlg .pd-ok{text-align:right;font-size:17px;padding-right:12px}
.pd-btn.pd-dim{background:#555;color:#999}
.pd-lbl{position:absolute;left:16px;top:64px;display:flex;align-items:center;gap:8px;font-size:20px;font-weight:500}
.pd-lbl svg{width:20px;height:20px;color:#888}
.pd-code{position:absolute;left:12px;right:12px;top:104px;border-radius:20px;background:#eee;padding:14px 16px;font-size:17px;line-height:1.5;color:#777}
.pd-code i{font-style:normal;padding-left:16px;display:block}
.pd-hint{position:absolute;left:16px;right:16px;top:290px;font-size:15px;line-height:1.35;color:#888}
.pd-copied{position:absolute;left:50%;top:176px;transform:translateX(-50%) scale(.9);background:#000;color:#fff;border-radius:18px;padding:18px 28px;font-size:20px;opacity:0;transition:opacity .2s,transform .2s;z-index:5}
.pd-copied.pd-on{opacity:1;transform:translateX(-50%) scale(1)}
.pd-ed{background:#1e1e1e}
.pd-edbar{height:40px;display:flex;align-items:center;gap:6px;padding:0 14px;background:#2b2b2b;color:#bbb;font:13px ui-monospace,Menlo,Consolas,monospace}
.pd-edbar b{width:10px;height:10px;border-radius:50%;background:#555;display:inline-block}
.pd-edbar span{margin-left:10px}
.pd-lines{padding:14px 0;font:13.5px/1.65 ui-monospace,Menlo,Consolas,monospace;color:#d4d4d4}
.pd-ln{display:flex;white-space:pre;padding-right:10px}
.pd-ln em{font-style:normal;width:34px;text-align:right;padding-right:14px;color:#6b6b6b;flex:none}
.pd-ln.pd-pasted{background:rgba(80,150,255,.28)}
.pd-ln.pd-hide{display:none}
.pd-t{color:#569cd6}.pd-a{color:#9cdcfe}.pd-v{color:#ce9178}
.pd-cur{display:inline-block;width:2px;height:16px;background:#fff;vertical-align:-3px;animation:pd-blink 1s steps(1) infinite}
.pd-site .pd-nav{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--pd-line)}
.pd-site .pd-nav b{font-size:17px}
.pd-site .pd-nav span{display:flex;gap:10px}.pd-site .pd-nav span i{width:30px;height:7px;border-radius:4px;background:#ddd;display:block}
.pd-site h2{margin:34px 20px 12px;font-size:30px;line-height:1.15}
.pd-site .pd-ph{height:9px;border-radius:5px;background:#e6e6e6;margin:0 20px 10px}
.pd-site .pd-cta{margin:22px 20px;width:130px;height:42px;border-radius:21px;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.pd-bub{position:absolute;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;transform:scale(0);transition:transform .45s cubic-bezier(.3,1.6,.5,1);box-shadow:0 6px 18px rgba(0,0,0,.3)}
.pd-bub.pd-on{transform:scale(1)}
.pd-bub svg{width:28px;height:28px}
.pd-w{position:absolute;left:12px;right:12px;top:58px;bottom:84px;background:#000;border-radius:22px;display:flex;flex-direction:column;color:#fff;transform-origin:100% 100%;transform:scale(.15);opacity:0;transition:transform .38s cubic-bezier(.2,.9,.3,1),opacity .2s;box-shadow:0 10px 30px rgba(0,0,0,.35);z-index:4;font-family:Roboto,"Helvetica Neue",Arial,sans-serif}
.pd-w.pd-on{transform:none;opacity:1}
.pd-wh{display:flex;align-items:center;gap:10px;padding:13px 14px 10px;border-bottom:1px solid #222}
.pd-wav{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#5b8cff,#c36cff 60%,#ff8fb1);flex:none;display:flex;align-items:center;justify-content:center;overflow:hidden}
.pd-wav svg{width:22px;height:22px;margin-top:4px;color:#fff}
.pd-wt{font-size:18px;font-weight:700;flex:1}
.pd-wh svg{width:20px;height:20px;color:#fff}
.pd-msgs{flex:1;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:10px 14px;gap:12px}
.pd-mu{align-self:flex-end;background:#2b2b2b;border-radius:18px;padding:8px 14px;font-size:15px;max-width:82%}
.pd-ma{font-size:15px;line-height:1.4;max-width:94%}
.pd-inp{margin:0 10px 10px;height:42px;border-radius:21px;background:#1e1e1e;display:flex;align-items:center;padding:0 8px 0 14px;font-size:15px;color:#8a8a8a}
.pd-inp .pd-tp{color:#fff}
.pd-inp .pd-ic{margin-left:auto;width:28px;height:28px;display:flex;align-items:center;justify-content:center;color:#fff}
.pd-inp .pd-ic svg{width:20px;height:20px}
.pd-inp .pd-ic.pd-snd{background:#fff;color:#000;border-radius:50%}
.pd-inp .pd-ic.pd-snd svg{width:15px;height:15px}