/* ================= V3: White / Yellow Accent ================= */
*{box-sizing:border-box}
:root{
  --bg:#ffffff; --bg2:#f7f7f7;
  --card:#ffffff; --cardSoft:#f9f9f9;
  --stroke:rgba(0,0,0,.08);
  --text:#1a1a1a; 
  --muted:#7a7a7a;
  --yellow:#ffd84d; 
  --yellow-strong:#ffb400;
  --ok:#ffe066;
}
html,body{height:100%}
body{margin:0; font-family:"Sora",system-ui,Segoe UI,Roboto; color:var(--text);
  background:linear-gradient(180deg,var(--bg),var(--bg2));
  overflow-x:hidden;
}
#app{min-height:100%; display:flex; flex-direction:column}

/* Topbar */
.topbar.v3{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px clamp(16px,4vw,28px);
  border-bottom:1px solid var(--stroke);
  position:sticky; top:0; backdrop-filter:blur(10px);
  background:linear-gradient(180deg, rgba(255,255,255,.9), rgba(255,255,255,.85));
  z-index:10;
}
.brand{display:flex; align-items:center; gap:12px}
.avatar{
  width:36px; height:36px; border-radius:12px; display:grid; place-items:center;
  background:linear-gradient(135deg,#fff7d9,#fff0a6); border:1px solid var(--stroke);
  color:#a87a00; font-weight:800; letter-spacing:.5px;
  box-shadow:inset 0 -4px 12px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.08);
}
.hello h1{margin:0; font-size:18px}
.hello .tiny{margin-bottom:2px}

.controls{display:flex; align-items:center; gap:12px}
.segmented{display:flex; background:rgba(0,0,0,.03); border:1px solid var(--stroke); padding:4px; border-radius:14px}
.seg{appearance:none; background:transparent; border:none; color:var(--muted);
  padding:8px 12px; border-radius:10px; font-weight:700; cursor:pointer}
.seg.active{color:#0b0f1d; background:linear-gradient(180deg, var(--yellow), var(--yellow-strong))}
.status{padding:6px 10px; border-radius:999px; border:1px solid var(--stroke); color:var(--muted)}

/* Layout */
.container.narrow{max-width:460px; width:100%; margin:0 auto; padding:22px; display:grid; gap:18px}
.card.v3{
  background:var(--card); border:1px solid var(--stroke); border-radius:22px; padding:18px;
  box-shadow: 0 8px 24px rgba(0,0,0,.08), inset 0 1px 0 rgba(255,255,255,.6);
}
.header-card h2{margin:0}

/* Inputs & Buttons */
label{display:block; font-size:12px; color:var(--muted); margin:6px 0 8px 2px}
input{
  width:100%; padding:14px 16px; border-radius:14px;
  background:#fff;
  border:1px solid var(--stroke); color:var(--text); outline:none;
}
input:focus{box-shadow:0 0 0 3px rgba(255,212,77,.4)}

.btn{
  appearance:none; border:none; border-radius:14px; padding:12px 16px; cursor:pointer;
  display:inline-flex; align-items:center; gap:8px; font-weight:800;
  background:rgba(0,0,0,.04); color:var(--text);
  transition:.18s transform,.18s filter,.18s background;
}
.btn:hover{transform:translateY(-1px); filter:brightness(1.05)}
.btn:active{transform:translateY(0) scale(.98)}
.btn.primary{
  background:linear-gradient(180deg, var(--yellow), var(--yellow-strong));
  color:#1a1a1a; text-shadow:0 1px 0 rgba(255,255,255,.7);
  box-shadow:0 8px 20px rgba(255,212,77,.3);
}
.btn.ghost{background:transparent; border:1px solid var(--stroke)}

/* Meta */
.pill.who{display:inline-block; padding:8px 12px; border-radius:999px; border:1px dashed var(--stroke); color:var(--muted); margin:8px 0 12px}

/* Panels */
.panel.soft{
  background:var(--cardSoft); border:1px solid var(--stroke); border-radius:18px; padding:14px;
  box-shadow: inset 0 1px 0 rgba(0,0,0,.04);
}
.output{
  min-height:128px; background:#fff; border:1px solid var(--stroke); border-radius:12px;
  padding:14px; white-space:pre-wrap; line-height:1.6; font-size:15.5px;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.03);
}
.actions{display:flex; gap:10px; margin-top:12px; flex-wrap:wrap}

/* Footer */
.foot.v3{padding:18px; text-align:center; color:var(--muted); border-top:1px solid var(--stroke)}

/* Mobile */
@media (max-width:460px){
  .container.narrow{padding:16px}
  .btn{padding:12px 14px}
}