:root{
  --brand:#1d4ed8;        /* Talnets blue */
  --brand-2:#2563eb;
  --brand-dark:#1e3a8a;
  --brand-soft:#eff4ff;
  --bg:#f0f4f8;
  --card:#ffffff;
  --ink:#1e293b;
  --muted:#64748b;
  --light:#94a3b8;
  --line:#e6ebf1;
  --green:#16a34a;
  --green-soft:#ecfdf5;
  --red:#dc2626;
  --amber:#d97706;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0}
.muted{color:var(--muted)}

/* ---------- App layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:260px;flex-shrink:0;color:#cdd7ea;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
  background:linear-gradient(180deg,#11224a 0%,#0d1a36 100%);
}
.logo{display:flex;align-items:center;gap:12px;padding:24px 22px;border-bottom:1px solid rgba(255,255,255,.07)}
.logo-mark{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  color:#fff;font-weight:800;font-size:20px;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(37,99,235,.45);
}
.logo-text{font-weight:700;font-size:18px;color:#fff;letter-spacing:-.2px}
.nav{display:flex;flex-direction:column;gap:4px;padding:18px 14px;flex:1}
.nav a{
  display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:10px;
  color:#aab8d4;font-weight:500;font-size:15px;transition:.15s;
}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.nav a.active{background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(29,78,216,.5)}
.ic{width:20px;height:20px;fill:currentColor;flex-shrink:0}
.sidebar-foot{padding:14px;border-top:1px solid rgba(255,255,255,.07)}
.logout{display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:10px;
  color:#aab8d4;font-weight:500;font-size:15px}
.logout:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--card);border-bottom:1px solid var(--line);
  padding:20px 32px;position:sticky;top:0;z-index:5;
}
.page-title{font-size:22px;font-weight:700;letter-spacing:-.3px}
.user{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:17px;
}
.user-meta{display:flex;flex-direction:column;line-height:1.25}
.user-name{font-weight:600;font-size:15px}
.user-role{font-size:13px;color:var(--muted)}

.content{padding:32px;max-width:1180px;width:100%}

/* ---------- Stat cards ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:28px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat .stat-ic{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
}
.stat .stat-ic svg{width:24px;height:24px}
.stat-ic.blue{background:var(--brand-soft)} .stat-ic.blue svg{fill:var(--brand)}
.stat-ic.green{background:var(--green-soft)} .stat-ic.green svg{fill:var(--green)}
.stat-ic.amber{background:#fff7ed} .stat-ic.amber svg{fill:var(--amber)}
.stat-label{font-size:13.5px;color:var(--muted);font-weight:500}
.stat-value{font-size:32px;font-weight:800;letter-spacing:-1px;margin-top:4px}
.stat-sub{font-size:13px;color:var(--light);margin-top:2px}

/* ---------- Panels & tables ---------- */
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:24px;overflow:hidden;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:17px;font-weight:700}
.panel-body{padding:24px}
.panel-body.flush{padding:0}

table{width:100%;border-collapse:collapse;font-size:15px}
thead th{
  text-align:left;padding:14px 24px;font-size:12.5px;font-weight:600;
  text-transform:uppercase;letter-spacing:.5px;color:var(--muted);
  background:#fafbfc;border-bottom:1px solid var(--line);
}
tbody td{padding:15px 24px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafbfd}
tfoot td,tfoot th{padding:15px 24px;font-weight:700;background:#fafbfc;text-align:left;border-top:2px solid var(--line)}
.r{text-align:right}
.email-cell{color:var(--muted);font-size:14px}
.notes-cell{color:var(--muted);font-size:14px;max-width:280px}

/* badges & pills */
.pill{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:600}
.pill.blue{background:var(--brand-soft);color:var(--brand)}
.pill.green{background:var(--green-soft);color:var(--green)}

/* ---------- Forms ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
label{display:block;margin-bottom:16px;font-size:14px;font-weight:500;color:var(--ink)}
label .req{color:var(--red)}
input,select,textarea{
  width:100%;margin-top:7px;padding:11px 13px;border:1px solid #d9e0e8;border-radius:10px;
  font-size:15px;color:var(--ink);background:#fff;font-family:inherit;transition:.15s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(37,99,235,.15);
}
.filter{margin:0}.filter select{width:auto;margin:0;min-width:180px}

button,.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:var(--brand);color:#fff;border:0;padding:12px 20px;border-radius:10px;
  font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;transition:.15s;
}
button:hover,.btn:hover{background:var(--brand-dark);text-decoration:none}
.btn-green{background:var(--green)} .btn-green:hover{background:#15803d}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid #cdd9ec}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-sm{padding:8px 14px;font-size:14px}
.link-danger{background:none;color:var(--red);padding:6px 8px;font-size:14px;font-weight:500}
.link-danger:hover{background:#fef2f2;text-decoration:none}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* alerts */
.alert{padding:13px 16px;border-radius:10px;font-size:15px;margin-bottom:20px;display:flex;gap:10px;align-items:flex-start}
.alert.ok{background:var(--green-soft);color:#065f46;border:1px solid #a7f3d0}
.alert.err{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert.info{background:var(--brand-soft);color:var(--brand-dark);border:1px solid #bfdbfe}

/* ---------- Auth screens ---------- */
.auth-body{display:flex;min-height:100vh;align-items:center;justify-content:center;
  padding:20px;background:linear-gradient(135deg,#0d1a36 0%,#16306b 100%)}
.auth-card{
  background:var(--card);border-radius:18px;padding:40px;width:100%;max-width:420px;
  box-shadow:0 20px 60px rgba(0,0,0,.3);
}
.auth-logo{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:8px}
.auth-logo .logo-mark{width:44px;height:44px;font-size:23px}
.auth-logo .logo-text{color:var(--ink);font-size:21px}
.auth-card h1{font-size:22px;font-weight:700;text-align:center;margin-bottom:6px}
.auth-card .sub{text-align:center;color:var(--muted);font-size:14.5px;margin-bottom:26px}
.auth-card label{font-size:14px;color:var(--muted);font-weight:500}
.auth-card button{width:100%;margin-top:6px;padding:13px}
.auth-links{text-align:center;margin-top:18px;font-size:14.5px}
.muted-small{font-size:13px;color:var(--light)}

.empty{padding:48px 24px;text-align:center;color:var(--muted)}
.empty svg{width:46px;height:46px;fill:#cbd5e1;margin-bottom:10px}

.affiliate-row-link{font-weight:600}
.spacer{height:8px}

@media(max-width:860px){
  .sidebar{width:74px}
  .logo-text,.nav a span,.logout span{display:none}
  .nav a,.logout{justify-content:center}
  .content{padding:20px}
  .topbar{padding:16px 20px}
  .grid2{grid-template-columns:1fr}
}

/* ---------- Referral / copy ---------- */
.copy-row{display:flex;gap:10px;margin-top:7px}
.copy-row input{margin-top:0;background:#f8fafc;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px}
.copy-btn{white-space:nowrap}
.protip{background:var(--brand-soft);border:1px solid #bfdbfe;border-radius:12px;padding:16px 18px}
.protip-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.protip-text{margin:0;color:#1e3a8a;font-size:14.5px;line-height:1.6;word-break:break-word}

/* ---------- Brand logos ---------- */
.logo{justify-content:center}
.logo-img{max-width:170px;height:auto;display:block}
.auth-logo-img{max-width:200px;height:auto;display:block;margin:0 auto 4px}
/* collapse sidebar logo on mobile narrow rail */
@media(max-width:860px){
  .logo-img{max-width:40px}
}