:root{
  --teal:#0F766E;
  --emerald:#10B981;
  --bg-cream:#F8F4F0;
  --bg-mint:#F1F8F6;
  --text:#203034;
  --muted:#64748b;
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:linear-gradient(180deg,var(--bg-cream),#fff 40%,var(--bg-mint));color:var(--text);}
.text-teal{color:var(--teal)!important;}
.bg-light-soft{background:rgba(255,255,255,.72);}
.btn-teal{background:var(--teal);border-color:var(--teal);color:#fff;}
.btn-teal:hover{background:#0b5b56;border-color:#0b5b56;color:#fff;}
.btn-emerald{background:var(--emerald);border-color:var(--emerald);color:#fff;}
.card-soft{border:1px solid rgba(15,118,110,.08);box-shadow:0 10px 30px rgba(2,8,23,.05);border-radius:20px;background:#fff;}
.hero{padding:5rem 0;}
.hero-badge{display:inline-block;padding:.4rem .8rem;border-radius:999px;background:rgba(16,185,129,.1);color:var(--teal);font-weight:600;font-size:.9rem;}
.chat-window{height:58vh;overflow:auto;background:rgba(255,255,255,.75);border-radius:18px;padding:1rem;border:1px solid rgba(15,118,110,.08);}
.msg{max-width:86%;padding:.9rem 1rem;border-radius:18px;margin-bottom:.8rem;white-space:pre-wrap;}
.msg-user{background:#dff5f0;margin-left:auto;}
.msg-ai{background:#fff;border:1px solid rgba(15,118,110,.08);}
.mic-btn.listening{background:#dc3545!important;border-color:#dc3545!important;color:#fff!important;}
.progress-stat{font-size:2rem;font-weight:700;color:var(--teal);}
textarea{resize:none;}