:root{
  --navy:#1f3864; --navy-d:#152743; --green:#2e7d32; --green-l:#e8f5e9;
  --grey:#6b7280; --line:#e5e7eb; --bg:#f4f6fb; --card:#ffffff;
  --amber:#b25e00; --red:#c62828;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:#1f2937}
a{color:var(--navy);text-decoration:none}
.muted{color:var(--grey)}

/* Auth pages */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--navy)}
.auth-card{background:#fff;padding:32px;border-radius:14px;width:100%;max-width:380px;box-shadow:0 10px 40px rgba(0,0,0,.25)}
.auth-card h1{margin:0 0 2px;color:var(--navy);font-size:22px}
.auth-card label{display:block;margin:14px 0 4px;font-size:13px;font-weight:600;color:#374151}
.auth-card input{width:100%;padding:11px;border:1px solid var(--line);border-radius:8px;font-size:15px}

/* Topbar / nav */
.topbar{background:var(--navy);color:#fff;display:flex;align-items:center;gap:16px;padding:12px 18px;flex-wrap:wrap}
.brand{font-weight:700;font-size:18px}
.brand span{color:#9fd3a2;font-weight:600}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;margin-left:auto;cursor:pointer}
.mainnav{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.mainnav a{color:#d7e0f2;padding:8px 12px;border-radius:8px;font-size:14px}
.mainnav a:hover{background:var(--navy-d);color:#fff}
.mainnav a.active{background:#fff;color:var(--navy);font-weight:600}
.mainnav a.logout{color:#ffd9d9}

.container{max-width:1080px;margin:22px auto;padding:0 16px}
.foot{text-align:center;color:var(--grey);padding:24px;font-size:13px}

h1.page{font-size:22px;color:var(--navy);margin:0 0 16px}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}

/* Stat cards */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat .num{font-size:26px;font-weight:700;color:var(--navy)}
.stat .lbl{color:var(--grey);font-size:13px;margin-top:2px}
.stat.green .num{color:var(--green)}
.stat.amber .num{color:var(--amber)}
.stat.red .num{color:var(--red)}

/* Cards / tables */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:20px}
.card h2{margin:0 0 12px;font-size:16px;color:var(--navy)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--grey);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.table-wrap{overflow-x:auto}

/* Badges */
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}
.b-new{background:#e3edff;color:#1e40af}
.b-contacted{background:#fef3c7;color:#92400e}
.b-followup{background:#ede9fe;color:#5b21b6}
.b-admitted{background:var(--green-l);color:#166534}
.b-closed{background:#f3f4f6;color:#6b7280}
.b-active{background:var(--green-l);color:#166534}
.b-inactive{background:#f3f4f6;color:#6b7280}

/* Buttons */
.btn{display:inline-block;padding:9px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:14px;color:#1f2937}
.btn:hover{background:#f9fafb}
.btn-primary{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn-primary:hover{background:var(--navy-d)}
.btn-green{background:var(--green);color:#fff;border-color:var(--green)}
.btn-green:hover{opacity:.92}
.btn-sm{padding:5px 10px;font-size:13px}
.btn-block{width:100%;margin-top:18px}
.btn-wa{background:#25d366;color:#fff;border-color:#25d366}

/* Forms */
form.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form.grid .full{grid-column:1/-1}
form.grid label{display:block;font-size:13px;font-weight:600;margin-bottom:4px;color:#374151}
form.grid input,form.grid select,form.grid textarea{width:100%;padding:9px;border:1px solid var(--line);border-radius:8px;font-size:14px}
textarea{min-height:80px;resize:vertical}

.alert{background:#fdecea;color:var(--red);padding:10px 12px;border-radius:8px;margin:12px 0;font-size:14px}
.alert.ok{background:var(--green-l);color:#166534}

@media(max-width:820px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .nav-toggle{display:block}
  .mainnav{display:none;width:100%;flex-direction:column;margin-top:8px}
  .mainnav.open{display:flex}
  form.grid{grid-template-columns:1fr}
}