:root{--bg:#0f0f12;--card:#15161a;--muted:#8e96a3;--text:#e8e8ef;--primary:#6ea8fe;--accent:#7ee787;--danger:#ff6b6b;--radius:14px}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif}
.container{max-width:1100px;margin:0 auto;padding:20px}.row{display:flex;gap:12px}.between{justify-content:space-between}.center{align-items:center}
a{color:var(--primary);text-decoration:none}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;background:var(--primary);color:#fff;text-decoration:none;border:1px solid rgba(255,255,255,.1)}
.btn.secondary{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn.small{padding:8px 12px;font-size:14px}
.logo{height:36px;margin-right:8px}.logo-fallback{margin-right:8px}
.site-header{position:sticky;top:0;background:rgba(0,0,0,.35);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid #222;z-index:50}
.brand{display:flex;align-items:center;font-weight:700;font-size:18px;color:var(--text);text-decoration:none}
.nav a{margin-left:14px}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;margin-top:20px}
.card{background:var(--card);padding:18px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.06)}
.card h3{margin:0 0 8px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.list{display:grid;gap:10px}
.input,select,textarea{width:100%;padding:10px;border-radius:10px;border:1px solid #333;background:#0e0f13;color:var(--text)}
label{font-size:13px;color:var(--muted)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid #2a2d33;text-align:left}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#2a2d33;color:#cfd6e6;font-size:12px}
.prog{height:8px;background:#2a2d33;border-radius:999px;overflow:hidden}.prog>span{display:block;height:100%;background:var(--accent)}
.site-footer{border-top:1px solid #222;margin-top:30px;padding:14px 0;color:#a7afbd}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.alert{padding:10px 12px;border-radius:12px;background:#16202a;border:1px solid #253544}
.alert.error{background:#2a1616;border-color:#442525;color:#ffb3b3}
.chat{display:flex;flex-direction:column;gap:8px;max-height:380px;overflow:auto;padding:10px;border:1px solid #2a2d33;border-radius:12px;background:#0e0f13}
.msg{padding:8px 12px;border-radius:12px;max-width:70%}
.msg.me{align-self:flex-end;background:var(--primary);color:#fff}
.msg.them{align-self:flex-start;background:#1e2430}
.empty{opacity:.75}

/* Floating WhatsApp icon */
.whatsapp-fab{position:fixed;right:18px;bottom:18px;display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;background:#25D366;border:2px solid #128C7E;box-shadow:0 6px 18px rgba(0,0,0,.35);z-index:60}
.whatsapp-fab img{width:28px;height:28px;display:block}