:root{
  --bg:#f5f6f8; --card:#ffffff; --border:#e3e6eb;
  --text:#1a1d24; --text-dim:#6b7280;
  --accent:#4f7cff; --accent-hover:#3d68f0; --accent-soft:#eaf0ff;
  --error:#dc2626; --error-soft:#fdecec;
  --success:#16a34a; --success-soft:#eafaf0;
  --sidebar-bg:#ffffff;
}
*{box-sizing:border-box;}
body{
  margin:0; min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:var(--bg); color:var(--text);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  padding:24px;
}
.card{
  width:100%; max-width:360px; background:var(--card); border:1px solid var(--border);
  border-radius:14px; padding:36px 32px; box-shadow:0 20px 50px -20px rgba(20,24,32,.12);
}
h1{ margin:0 0 22px; font-size:1.3rem; font-weight:700; text-align:center; }
.muted{ color:var(--text-dim); text-align:center; margin:0 0 22px; font-size:.92rem; }
.error{
  background:var(--error-soft); color:var(--error); border-radius:8px;
  padding:10px 12px; font-size:.86rem; margin:0 0 18px; text-align:center;
}
form{ display:flex; flex-direction:column; gap:6px; }
label{ font-size:.8rem; color:var(--text-dim); margin-top:12px; }
input{
  background:#fff; border:1px solid var(--border); border-radius:8px;
  color:var(--text); padding:11px 12px; font-size:.94rem; font-family:inherit;
}
input:focus{ outline:none; border-color:var(--accent); }
button{
  margin-top:22px; background:var(--accent); color:#fff; border:none; border-radius:8px;
  padding:12px; font-size:.95rem; font-weight:600; cursor:pointer; font-family:inherit;
}
button:hover{ background:var(--accent-hover); }
.logout{
  display:block; text-align:center; margin-top:8px; color:var(--text-dim);
  font-size:.86rem; text-decoration:none;
}
.logout:hover{ color:var(--text); }

/* ---------------- app shell (fixed sidebar + scrolling content) ---------------- */
body.app{
  display:block; padding:0; align-items:initial; justify-content:initial;
}
.app-shell{ display:flex; min-height:100vh; }

.sidebar{
  position:fixed; top:0; left:0; width:220px; height:100vh; overflow-y:auto;
  flex:none; background:var(--sidebar-bg); border-right:1px solid var(--border);
  display:flex; flex-direction:column; padding:22px 16px;
}
.sidebar-brand{
  font-weight:700; font-size:1.05rem; padding:0 10px 20px; margin-bottom:14px;
  border-bottom:1px solid var(--border);
}
.sidebar nav{ display:flex; flex-direction:column; gap:2px; flex:1; }
.nav-item{
  display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:8px;
  color:var(--text-dim); text-decoration:none; font-size:.9rem; font-weight:500;
}
.nav-item svg{ width:17px; height:17px; flex:none; }
.nav-item:hover{ background:var(--accent-soft); color:var(--accent); }
.nav-item.is-active{ background:var(--accent); color:#fff; }
.sidebar .logout{ margin:14px 4px 0; text-align:left; }

.content{
  margin-left:220px; width:calc(100% - 220px); height:100vh; overflow-y:auto;
  padding:40px 44px 60px;
}
.content h1{ text-align:left; margin:0 0 6px; font-size:1.6rem; }
.content .muted{ text-align:left; margin:0 0 30px; }

@media (max-width:760px){
  .app-shell{ flex-direction:column; }
  .sidebar{ position:fixed; width:100%; height:auto; flex-direction:row; align-items:center; padding:14px 16px; border-right:none; border-bottom:1px solid var(--border); }
  .sidebar-brand{ padding:0 14px 0 0; margin:0 14px 0 0; border-bottom:none; border-right:1px solid var(--border); }
  .sidebar nav{ flex-direction:row; }
  .sidebar .logout{ margin:0 0 0 auto; }
  .content{ margin-left:0; width:100%; height:auto; margin-top:60px; padding:24px 20px; }
}

/* ---------------- dialer ---------------- */
.dialer-card{
  max-width:420px; background:var(--card); border:1px solid var(--border);
  border-radius:14px; padding:28px;
}
.setup-notice{ color:var(--text-dim); font-size:.9rem; line-height:1.6; margin:0; }
.setup-notice code{
  background:var(--accent-soft); color:var(--accent); border-radius:5px;
  padding:2px 6px; font-size:.85em;
}
.call-status{
  text-align:center; font-weight:600; font-size:.95rem; color:var(--text-dim);
  margin-bottom:18px;
}
.dial-input{
  width:100%; text-align:center; font-size:1.1rem; padding:14px 12px;
  border:1px solid var(--border); border-radius:8px; margin-bottom:16px;
}
.dial-input:focus{ outline:none; border-color:var(--accent); }
.dialer-actions{ display:flex; gap:10px; }
.dialer-actions button{
  flex:1; margin-top:0; padding:13px; border-radius:8px; font-weight:600;
  border:none; cursor:pointer; font-family:inherit; font-size:.95rem;
}
.btn-call{ background:var(--success); color:#fff; }
.btn-call:hover:not(:disabled){ background:#128a3e; }
.btn-hangup{ background:var(--error); color:#fff; }
.btn-hangup:hover:not(:disabled){ background:#b91c1c; }
.dialer-actions button:disabled{ opacity:.45; cursor:not-allowed; }
.call-timer{
  text-align:center; font-size:1.6rem; font-weight:700; font-variant-numeric:tabular-nums;
  margin:-8px 0 16px; color:var(--text);
}
.dialer-hint{ color:var(--text-dim); font-size:.82rem; margin:16px 0 0; }
.dialer-hint a{ color:var(--accent); }
.dialer-actions-secondary{ margin-top:10px; }
.btn-secondary{
  flex:1; margin-top:0; padding:11px; border-radius:8px; font-weight:600;
  border:1px solid var(--border); background:#fff; color:var(--text-dim);
  cursor:pointer; font-family:inherit; font-size:.88rem;
}
.btn-secondary:hover:not(:disabled){ border-color:var(--accent); color:var(--accent); }
.btn-secondary:disabled{ opacity:.45; cursor:not-allowed; }

/* ---------------- stats ---------------- */
.stat-grid{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:26px; }
.stat-card{
  background:var(--card); border:1px solid var(--border); border-radius:12px;
  padding:18px 24px; min-width:110px; display:flex; flex-direction:column; gap:4px;
}
.stat-num{ font-size:1.7rem; font-weight:700; }
.stat-label{ font-size:.78rem; color:var(--text-dim); text-transform:uppercase; letter-spacing:.05em; }
.stat-success .stat-num{ color:var(--success); }
.stat-failed .stat-num{ color:var(--error); }

/* ---------------- tables ---------------- */
.lead-table-wrap{ overflow-x:auto; background:var(--card); border:1px solid var(--border); border-radius:12px; }
.lead-table{ width:100%; border-collapse:collapse; font-size:.88rem; }
.lead-table th{
  text-align:left; padding:12px 16px; color:var(--text-dim); font-weight:600;
  font-size:.76rem; text-transform:uppercase; letter-spacing:.04em; border-bottom:1px solid var(--border);
}
.lead-table td{ padding:12px 16px; border-bottom:1px solid var(--border); vertical-align:middle; }
.lead-table tr:last-child td{ border-bottom:none; }
.lead-phone{ font-weight:600; white-space:nowrap; }
.lead-duration{ color:var(--text-dim); font-size:.78rem; margin-left:8px; }

.btn-mini{
  display:inline-block; background:var(--accent-soft); color:var(--accent); border:none;
  border-radius:6px; padding:7px 12px; font-size:.8rem; font-weight:600; text-decoration:none;
  cursor:pointer; font-family:inherit;
}
.btn-mini:hover{ background:var(--accent); color:#fff; }

.outcome-form{ display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.notes-input{ padding:7px 10px; font-size:.8rem; border-radius:6px; width:130px; }
.btn-success-mini{ background:var(--success-soft); color:var(--success); }
.btn-success-mini:hover{ background:var(--success); color:#fff; }
.btn-failed-mini{ background:var(--error-soft); color:var(--error); }
.btn-failed-mini:hover{ background:var(--error); color:#fff; }

.badge{
  display:inline-block; padding:4px 10px; border-radius:999px; font-size:.76rem; font-weight:600;
}
.badge-success{ background:var(--success-soft); color:var(--success); }
.badge-failed{ background:var(--error-soft); color:var(--error); }
.badge-pending{ background:var(--accent-soft); color:var(--accent); }

.add-numbers-card{ margin-bottom:24px; max-width:100%; }
.add-numbers-card label{ margin-top:0; }
.add-numbers-card textarea{
  width:100%; background:#fff; border:1px solid var(--border); border-radius:8px;
  color:var(--text); padding:11px 12px; font-size:.9rem; font-family:inherit; resize:vertical;
}
.add-numbers-card textarea:focus{ outline:none; border-color:var(--accent); }
.add-numbers-card button{ margin-top:12px; }