:root {
  --bg: #ffffff;
  --card: #ffffff;
  --border: #e1e4e8;
  --text: #1f2328;
  --muted: #59636e;
  --primary: #2a6df4;
  --primary-dark: #1e54c4;
  --danger: #d1242f;
  --success: #1a7f37;
  --warning: #9a6700;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}
.topbar .brand { font-weight: 700; font-size: 18px; color: var(--text); }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar .logout { margin-left: auto; color: var(--muted); }

.container { max-width: 1000px; margin: 0 auto; padding: 24px; }

/* Le tabelle non si restringono sotto il loro contenuto: se non ci stanno nella larghezza dello
   schermo, scorrono in orizzontale solo loro (dentro questo contenitore), invece di far scorrere
   in orizzontale l'intera pagina. */
.table-scroll { width: 100%; overflow-x: auto; }
.table-scroll table { min-width: 560px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }

.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: var(--card); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: var(--danger); border-color: var(--danger); }

label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=file],
select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
textarea { min-height: 220px; font-family: monospace; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: #d9f4dd; color: var(--success); }
.flash-error { background: #ffebe9; color: var(--danger); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 100px; font-size: 12px; font-weight: 600; }
.badge-active, .badge-running, .badge-sent { background: #d9f4dd; color: var(--success); }
.badge-unsubscribed, .badge-cancelled, .badge-failed { background: #ffebe9; color: var(--danger); }
.badge-draft, .badge-pending, .badge-bounced { background: #fff1cf; color: var(--warning); }
.badge-paused, .badge-completed, .badge-skipped { background: #e1e4e8; color: var(--muted); }

.stats { display: flex; gap: 16px; flex-wrap: wrap; }
.stat { flex: 1; min-width: 140px; }
.stat .value { font-size: 28px; font-weight: 700; }
.stat .label { font-size: 13px; color: var(--muted); }

.progress { background: var(--bg); border-radius: 100px; height: 10px; overflow: hidden; }
.progress > div { background: var(--primary); height: 100%; }

.actions { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.login-box { max-width: 360px; margin: 80px auto; }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; gap: 10px; padding: 12px 16px; }
  .topbar nav { flex-basis: 100%; order: 3; gap: 12px; flex-wrap: wrap; }
  .topbar .logout { margin-left: auto; }
  .container { padding: 16px; }
  .card { padding: 16px; }
  .stat { min-width: 100%; }
  .login-box { margin: 40px auto; }
}