*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --primary:#0f766e; --primary-d:#115e59; --pl:#ccfbf1;
  --ok:#2e7d32; --okl:#e8f5e9;
  --warn:#f57f17; --warnl:#fff8e1;
  --danger:#c62828; --dangerl:#ffebee;
  --g1:#f4f6f9; --g2:#dfe6ee; --g3:#c9d4e0;
  --g5:#8a97a8; --g6:#5f6f83; --g9:#17232f;
  --card:#ffffff; --bg:#eef2f7; --text:#17232f;
  --radius:14px; --shadow:0 2px 10px rgba(20,40,80,.08);
}
body.dark{
  --card:#1c2733; --bg:#101821; --text:#e8eef5;
  --g1:#232f3d; --g2:#2e3c4d; --g3:#3a4a5e;
  --g5:#7c8ba0; --g6:#a7b4c6; --g9:#eef3f9;
  --pl:#0d3330; --okl:#14351f; --warnl:#3d3010; --dangerl:#3d1516;
  --shadow:0 2px 10px rgba(0,0,0,.4);
}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}

/* ---------- LOGIN ---------- */
.login-screen{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:linear-gradient(160deg,#0d4f4a,#0f766e 55%,#14b8a6);z-index:100;padding:20px;overflow-y:auto}
.login-screen.active{display:flex}
.login-card{background:#fff;border-radius:20px;padding:34px 26px;width:100%;max-width:360px;box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center}
.login-logo{width:70px;height:70px;border-radius:18px;background:linear-gradient(135deg,#0d4f4a,#14b8a6);display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:#fff}
.login-logo .material-icons{font-size:38px}
.login-card h1{font-size:26px;color:#0d4f4a}
.login-card h2{font-size:13px;color:#5f6f83;font-weight:700;margin-bottom:6px;letter-spacing:1px}
.login-card>p{font-size:12px;color:#8a97a8;margin-bottom:18px}
.login-card input{width:100%;padding:12px;border:2px solid #dfe6ee;border-radius:10px;margin-bottom:10px;font-size:14px}
.login-card button{width:100%;padding:13px;border:none;border-radius:10px;font-size:14px;font-weight:700;cursor:pointer}
.btn-login{background:linear-gradient(135deg,#0d4f4a,#14b8a6);color:#fff}

/* ---------- APP ---------- */
.app-screen{display:none;padding-bottom:24px;min-height:100vh}
.app-screen.active{display:block}
.app-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:12px;background:var(--card);padding:12px 20px;box-shadow:var(--shadow);flex-wrap:wrap}
.header-title{font-weight:800;font-size:18px;color:var(--primary)}
.menu-btn{background:var(--g1);border:none;border-radius:10px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;color:var(--text);cursor:pointer}
.proyecto-select{border:2px solid var(--g2);border-radius:10px;padding:8px 12px;font-size:13px;font-weight:700;background:var(--card);color:var(--g9)}
.sync-indicator{margin-left:auto;display:flex;align-items:center;gap:4px;font-size:11px;color:#fff;background:#2e7d32;border-radius:20px;padding:4px 10px;opacity:0;transition:.3s}
.sync-indicator.show{opacity:1}
.sync-indicator.offline{background:#c62828}
.sync-indicator.syncing{background:#f57f17}
.sync-indicator .material-icons{font-size:14px}

main{max-width:1100px;margin:0 auto;padding:20px}

.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}
.card-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.form-row{display:flex;gap:12px}
.form-row .form-group{flex:1}
.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:11px;font-weight:700;color:var(--g6);text-transform:uppercase;letter-spacing:.4px;margin-bottom:5px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:2px solid var(--g2);border-radius:8px;font-size:14px;background:var(--card);color:var(--g9)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 16px;border:none;border-radius:10px;font-size:13px;font-weight:700;cursor:pointer;background:var(--g1);color:var(--text)}
.btn-primary2{background:linear-gradient(135deg,#0d4f4a,#14b8a6);color:#fff}
.btn-outline{background:transparent;border:2px solid var(--g2);color:var(--text)}
.btn-danger{background:var(--dangerl);color:var(--danger)}
.btn-success{background:var(--okl);color:var(--ok)}
.btn-whatsapp{background:#25d366;color:#fff}
.btn-full{width:100%}
.btn-sm{padding:7px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}
.stat-card{background:var(--card);border-radius:var(--radius);padding:14px 10px;text-align:center;box-shadow:var(--shadow)}
.stat-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin:0 auto 6px}
.stat-card h4{font-size:20px}
.stat-card p{font-size:11px;color:var(--g6)}

.chips-row{display:flex;gap:6px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:none}
.chip{flex:none;border:2px solid;border-radius:20px;padding:6px 13px;font-size:12px;font-weight:700;cursor:pointer;background:var(--card)}

.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700}
.badge-gray{background:var(--g1);color:var(--g6)}
.badge-orange{background:var(--warnl);color:var(--warn)}
.badge-green{background:var(--okl);color:var(--ok)}
.badge-red{background:var(--dangerl);color:var(--danger)}

.leads-table{width:100%;border-collapse:collapse;font-size:13px}
.leads-table th{text-align:left;font-size:11px;text-transform:uppercase;color:var(--g6);padding:8px 10px;border-bottom:2px solid var(--g2);white-space:nowrap}
.leads-table td{padding:10px;border-bottom:1px solid var(--g1);vertical-align:middle}
.leads-table tr:hover td{background:var(--g1)}
.lead-name{font-weight:700}
.lead-sub{font-size:11px;color:var(--g6)}
.table-wrap{overflow-x:auto}

.empty-state{text-align:center;padding:40px 16px;color:var(--g5)}
.empty-state .material-icons{font-size:44px;opacity:.4;display:block;margin-bottom:8px}

.floating-bar{position:fixed;left:0;right:0;bottom:0;background:var(--g9);color:#fff;padding:12px 20px;display:flex;align-items:center;gap:10px;z-index:70}

.material-icons{font-size:20px;vertical-align:middle}
#toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);background:#17232f;color:#fff;padding:11px 18px;border-radius:24px;font-size:13px;opacity:0;transition:.3s;z-index:200;max-width:90%;text-align:center}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.switch{position:relative;display:inline-block;width:42px;height:24px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;inset:0;background:var(--g3);transition:.3s;border-radius:24px}
.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background:#fff;transition:.3s;border-radius:50%}
input:checked+.slider{background:var(--primary)}
input:checked+.slider:before{transform:translateX(18px)}

@media (max-width:640px){
  .stats-grid{grid-template-columns:1fr 1fr}
  main{padding:12px}
  .app-header{padding:10px 12px}
}