/* az.ai builder v2: uses az.css tokens; only layout for the chat + preview workspace */
.z-sites{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:8px}
.z-site{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding:10px 12px;border:1px solid rgba(255,255,255,.12);border-radius:12px}
.z-open{background:none;border:0;color:inherit;font:inherit;font-weight:700;cursor:pointer;min-height:44px;padding:0;text-align:left}
.z-site small{opacity:.75}
.z-newf{display:grid;gap:12px;max-width:720px}
.z-addrrow{display:flex;align-items:center;gap:6px}.z-addrrow span{opacity:.8;white-space:nowrap}.z-addrrow .inp{flex:1;min-width:0}
.z-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-bottom:12px}.z-head h2{margin:0}.z-addr{opacity:.75;font-size:14px;word-break:break-all}
.z-grid{display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
@media (min-width:1000px){.z-grid{grid-template-columns:minmax(320px,400px) minmax(0,1fr)}}
.z-chat{display:flex;flex-direction:column;gap:10px;min-height:420px}
.z-log{flex:1;overflow:auto;max-height:60vh;display:flex;flex-direction:column;gap:8px;padding-right:4px}
.z-b{padding:10px 12px;border-radius:12px;white-space:pre-wrap;line-height:1.45;font-size:15px;max-width:92%}
.z-b.me{align-self:flex-end;background:rgba(56,189,248,.16)}
.z-b.ai{align-self:flex-start;background:rgba(255,255,255,.07)}
.z-b.sys{align-self:center;font-size:13px;opacity:.8}
.z-b small.z-cost{display:block;opacity:.65;margin-top:6px}
.z-warn{color:#fbbf24}.z-note{opacity:.8;font-size:14px}
.z-form{display:grid;gap:8px}
.z-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.z-best{display:flex;align-items:center;gap:8px;min-height:44px;font-size:14px}
.z-side{display:grid;gap:12px;min-width:0}
.z-bar{display:flex;flex-wrap:wrap;gap:6px}
.z-view{border:1px solid rgba(255,255,255,.12);border-radius:14px;overflow:hidden;background:#fff;min-height:300px;display:flex;justify-content:center}
.z-none,.z-view .z-warn{color:#334;padding:24px;margin:0}
.z-frame{border:0;width:100%;height:70vh;background:#fff}
.z-frame.phone{width:390px;max-width:100%}
.z-panel h3{margin:0 0 8px}
.z-vers{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px;max-height:240px;overflow:auto}
.z-vers li{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px}
.z-vers li span{flex:1;min-width:0;opacity:.85}
#z-pub{display:flex;flex-wrap:wrap;gap:8px;align-items:center}#z-pub p{flex-basis:100%;margin:0}
.btn.xs{min-height:44px;padding:6px 12px;font-size:13px}
.msg.bad{color:#fca5a5}

/* AZ3_1017 */.z-pubrow{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.z-app{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.z-app .h5{margin:0 0 4px;font-size:15px}.z-app .btn{margin:6px 8px 0 0}.z-app .fine{margin:8px 0 0;color:var(--t3);font-size:13px}.z-pubmsg{margin:0 0 10px;padding:10px 12px;border-radius:12px;border:1px solid rgba(97,242,221,.4);background:rgba(97,242,221,.06)}

/* SIMPLE_1017 */.z-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.z-bigbox{font-size:18px;line-height:1.5;min-height:150px;padding:14px 16px}.z-go{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:12px 0 4px}.z-bigbtn{min-height:56px;font-size:18px;padding:0 28px}.z-more{margin:14px 0 0}.z-more summary{cursor:pointer;min-height:44px;display:flex;align-items:center;color:var(--t2);font-weight:600}.z-more[open] summary{margin-bottom:8px}.z-live{width:100%;min-height:60px;font-size:19px;font-weight:800}.z-livehint{margin:8px 0 0;color:var(--t2);font-size:14px}

/* SIMPLE2_1017 */.z-working .page-hero{display:none}.z-working .sec.tight{padding-top:16px}

/* SIMPLE3_1017 */.z-busy{font-size:18px;font-weight:600;animation:zpulse 1.6s ease-in-out infinite}@keyframes zpulse{50%{opacity:.55}}@media (prefers-reduced-motion:reduce){.z-busy{animation:none}}

/* SIMPLE4_1017 */.z-livebar{display:none}@media (max-width:760px){.z-livebar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:50;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(4,10,20,.94);border-top:1px solid var(--line2)}.z-livebar[hidden]{display:none}.z-livebar .btn{flex:1;min-height:54px;font-size:18px;font-weight:800}.z-working main{padding-bottom:84px}}

/* AZ4-P1 */.z-head .z-askbtn{margin-left:auto}.z-savedrow{display:flex;justify-content:flex-end;margin:-4px 0 0;min-height:22px}.z-newf .ask-h h2{margin:0}
/* SIMPLE6_1017 */.z-livebar.z-off{display:none!important}.z-working #tokRadio{display:none!important}
/* AZ4H AZP-87 */
.z-credit{border:1px solid rgba(255,206,92,.55)!important}.z-credit b{display:block;font-size:17px;margin-bottom:4px}.z-credit p{margin:0 0 10px}

/* AZ4I_LOOK: the chat log only takes the room it needs, so "Want a change?" follows the last card (no dead space at desktop) */
.z-log{flex:0 1 auto}