:root{
  --purple:#6d1657; --purple-2:#8a1f6e; --magenta:#b5197a; --orange:#f47b20;
  --bg:#f6f7fb; --surface:#ffffff; --border:#e7e8ef; --text:#1f2430; --muted:#6b7280;
  --green:#16a34a; --red:#dc2626; --amber:#f59e0b; --shadow:0 1px 3px rgba(20,20,40,.06),0 1px 2px rgba(20,20,40,.04);
  --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
a{color:inherit}
.hidden{display:none!important}

/* ---------- login ---------- */
#login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--purple) 0%,var(--magenta) 60%,var(--orange) 140%)}
.login-card{background:#fff;border-radius:16px;padding:34px 30px;width:340px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-logo{font-size:22px;font-weight:800;color:var(--purple);text-align:center}
.login-sub{text-align:center;color:var(--muted);font-size:12.5px;margin:4px 0 22px}
.login-card label{font-size:12px;font-weight:600;color:var(--muted);display:block;margin:12px 0 5px}
.login-card input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px}
.login-card input:focus{outline:none;border-color:var(--magenta)}
.login-err{color:var(--red);font-size:12.5px;margin-top:10px;min-height:16px}

/* ---------- shell ---------- */
#app{display:flex;min-height:100vh}
.sidebar{width:236px;background:linear-gradient(180deg,var(--purple),var(--purple-2));color:#fff;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{padding:20px 20px 12px}
.brand-title{font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px}
.brand-sub{font-size:11px;opacity:.7;margin-top:2px}
.nav{flex:1;overflow-y:auto;padding:6px 10px}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;cursor:pointer;
  font-size:13.5px;font-weight:500;opacity:.82;transition:.15s;margin-bottom:2px}
.nav-item:hover{background:rgba(255,255,255,.10);opacity:1}
.nav-item.active{background:rgba(255,255,255,.16);opacity:1;font-weight:600}
.nav-ic{width:20px;text-align:center;font-size:15px}
.side-foot{padding:12px;border-top:1px solid rgba(255,255,255,.12)}
.status-pill{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  padding:9px 11px;border-radius:9px;background:rgba(255,255,255,.10)}
.dot{width:9px;height:9px;border-radius:50%;background:#9ca3af;flex-shrink:0}
.dot.on{background:#4ade80;box-shadow:0 0 0 3px rgba(74,222,128,.25)}
.dot.off{background:#f87171}
.btn-logout{margin-top:8px;width:100%;background:rgba(255,255,255,.10);color:#fff;border:none;
  padding:8px;border-radius:8px;cursor:pointer;font-size:12.5px;font-weight:600}
.btn-logout:hover{background:rgba(255,255,255,.18)}

/* ---------- main ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 26px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px;font-weight:700}
.topbar-actions{display:flex;gap:8px;align-items:center}
.content{padding:24px 26px;flex:1}

/* ---------- ui bits ---------- */
.btn{border:none;border-radius:9px;padding:9px 14px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:.15s}
.btn-primary{background:var(--magenta);color:#fff}
.btn-primary:hover{background:#9c1568}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{filter:brightness(.95)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{background:#f3f4f8}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.grid{display:grid;gap:16px}
.stat{display:flex;flex-direction:column;gap:4px}
.stat .n{font-size:28px;font-weight:800;line-height:1}
.stat .l{font-size:12.5px;color:var(--muted)}
.card.clickable{cursor:pointer;transition:.15s}.card.clickable:hover{border-color:var(--magenta);box-shadow:0 4px 14px rgba(181,25,122,.12)}
.tempbar{display:flex;height:9px;border-radius:6px;overflow:hidden;background:#eef0f4}
.tempbar>span{display:block;height:100%}
svg.lucide{width:1.05em;height:1.05em;vertical-align:-0.16em;stroke-width:2px;flex-shrink:0}
.nav-ic svg.lucide{width:18px;height:18px;vertical-align:middle}
.wa-ic svg.lucide{width:22px;height:22px}
.cdot{display:inline-block;width:9px;height:9px;border-radius:50%;vertical-align:middle;margin-right:2px}
.section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin:6px 0 12px}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:3px 9px;border-radius:20px}
.tag.wa{background:#e7f7ee;color:#0f7a43}
.tag.ig{background:#fdecf5;color:#b5197a}
.tag.on{background:#e7f7ee;color:#0f7a43}
.tag.off{background:#f3f4f6;color:#6b7280}
.tag.breve{background:#fff4e5;color:#b45309}
.muted{color:var(--muted)}
label.f{font-size:12px;font-weight:600;color:var(--muted);display:block;margin:0 0 6px}
textarea,input.f,select.f{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:9px;font-size:13.5px;font-family:inherit}
textarea:focus,input.f:focus,select.f:focus{outline:none;border-color:var(--magenta)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#111827;color:#fff;
  padding:11px 18px;border-radius:10px;font-size:13px;box-shadow:0 8px 30px rgba(0,0,0,.3);opacity:0;transition:.25s;z-index:50}
.toast.show{opacity:1}

/* conversas */
.conv-wrap{display:grid;grid-template-columns:320px 1fr;gap:16px;min-height:60vh}
.conv-list{display:flex;flex-direction:column;gap:6px;max-height:70vh;overflow-y:auto}
.conv-item{padding:11px 12px;border:1px solid var(--border);border-radius:10px;cursor:pointer;background:#fff}
.conv-item:hover{border-color:var(--magenta)}
.conv-item.active{border-color:var(--magenta);background:#fdf4fa}
.conv-top{display:flex;justify-content:space-between;gap:8px;align-items:center}
.conv-name{font-weight:700;font-size:13.5px}
.conv-last{font-size:12.5px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{background:var(--magenta);color:#fff;font-size:10px;font-weight:700;border-radius:20px;padding:1px 7px}
.chat{display:flex;flex-direction:column;gap:10px;max-height:70vh;overflow-y:auto;padding:6px}
.msg{max-width:75%;padding:9px 13px;border-radius:12px;font-size:13px;line-height:1.5}
.msg.lead{background:#f1f3f7;align-self:flex-start;border-bottom-left-radius:3px}
.msg.sara{background:var(--magenta);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.msg.humano{background:var(--orange);color:#fff;align-self:flex-end;border-bottom-right-radius:3px}
.msg .t{display:block;font-size:10px;opacity:.65;margin-top:4px}
.composer{display:flex;gap:8px;margin-top:10px;border-top:1px solid var(--border);padding-top:10px}
.composer input{flex:1}
.list-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 4px;border-bottom:1px solid var(--border)}
.list-row:last-child{border-bottom:none}
pre.logs{background:#0b1020;color:#c8e1ff;border-radius:10px;padding:14px;font-size:12.5px;line-height:1.7;max-height:62vh;overflow:auto;white-space:pre-wrap}
.empty{text-align:center;color:var(--muted);padding:40px 10px}
.empty .i{font-size:34px;margin-bottom:8px}

/* whatsapp connections */
.wa-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:#fff}
.wa-ic{width:42px;height:42px;border-radius:11px;background:#e7f7ee;color:#0f7a43;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.wa-meta{flex:1;min-width:0}
.wa-name{font-weight:700;font-size:14px}
.wa-num{font-size:12.5px;color:var(--muted);margin-top:1px}
.wa-actions{display:flex;gap:6px;flex-shrink:0}
.wa-add{border:1.5px dashed var(--border);border-radius:12px;padding:14px 16px;display:flex;align-items:center;gap:12px;cursor:pointer;background:#fbfbfd;color:var(--magenta);font-weight:700}
.wa-add:hover{border-color:var(--magenta);background:#fdf4fa}
.wa-add .plus{width:42px;height:42px;border-radius:11px;background:#fdecf5;color:var(--magenta);display:flex;align-items:center;justify-content:center;font-size:22px}

/* modal */
.modal-ov{position:fixed;inset:0;background:rgba(17,24,39,.45);display:none;align-items:center;justify-content:center;z-index:60;padding:20px}
.modal-ov.open{display:flex}
.modal{background:#fff;border-radius:16px;width:440px;max-width:100%;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.3)}
.modal h3{font-size:17px;font-weight:800;margin-bottom:4px}
.modal .sub{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.modal-x{float:right;cursor:pointer;color:var(--muted);font-size:18px;line-height:1}
.qr-box{width:180px;height:180px;margin:6px auto 12px;border:2px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--muted);font-size:12px;padding:12px;background:#fafafa}