:root {
  --paper:#EFF2F4; --paper-raised:#FFFFFF;
  --ink:#1A2430; --ink-soft:#4B5A68; --ink-faint:#7B8996;
  --line:#C7D0D6; --line-soft:#DBE1E5;
  --accent:#B5652D; --accent-ink:#7A431C; --accent-soft:#EEDFCB;
  --new-tag:#3E6E8E; --new-tag-soft:#DCE7EE;
  --shadow: 0 1px 2px rgba(26,36,48,0.06), 0 8px 24px rgba(26,36,48,0.05);
  --danger:#B5342D; --danger-soft:#F5DAD7;
  --ok-bg:#E3F5EA; --ok-fg:#1E7A46;
  --pie-1:#3A4652; --pie-2:#6B7885; --pie-3:#9AA6AF; --pie-4:#C7CFD5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:#121820; --paper-raised:#19212B;
    --ink:#E8ECEF; --ink-soft:#9FB0BD; --ink-faint:#6E7E8C;
    --line:#2A3542; --line-soft:#232C38;
    --accent:#D98A4E; --accent-ink:#F0C79B; --accent-soft:#3A2A1C;
    --new-tag:#7FB4D6; --new-tag-soft:#1D2C36;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.35);
    --danger:#D9776E; --danger-soft:#3A1F1C;
    --ok-bg:#1B3326; --ok-fg:#7BC69E;
    --pie-1:#E8ECEF; --pie-2:#B7C2CB; --pie-3:#8A97A2; --pie-4:#5C6873;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--paper);
  color: var(--ink);
}
a { color: var(--accent-ink); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper-raised);
  border-bottom: 1px solid var(--line);
  padding: 10px 24px;
  box-shadow: var(--shadow);
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: bold; }
.topbar .brand img { height: 32px; }
.topbar .tagline { font-size: 11px; color: var(--ink-faint); letter-spacing: 0.03em; }
.topbar nav a {
  margin-left: 18px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
}
.topbar nav a.active, .topbar nav a:hover { color: var(--accent-ink); font-weight: bold; }
.topbar .userbox { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--ink-soft); }
.topbar form { margin: 0; }
.topbar button.link {
  background: none; border: none; color: var(--accent-ink); cursor: pointer;
  font-size: 13px; padding: 0; text-decoration: underline;
}

main.page { max-width: 1100px; margin: 0 auto; padding: 24px; }

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 18px;
}

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

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line-soft); }
th { color: var(--ink-faint); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:hover td { background: var(--accent-soft); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 5px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--accent-ink); }
.btn.secondary { background: var(--paper-raised); color: var(--ink-soft); border: 1px solid var(--line); }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.active { background: var(--ok-bg); color: var(--ok-fg); }
.badge.inactive { background: var(--danger-soft); color: var(--danger); }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 4px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  font-size: 14px;
  background: var(--paper-raised);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}
.form-row .hint { font-size: 12px; color: var(--ink-faint); margin-top: 3px; }
.iti { width: 100%; }
.iti__selected-dial-code {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  color: var(--ink);
}
.error-box {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 14px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 32px;
  width: 340px;
}
.login-card .brand { text-align: center; margin-bottom: 20px; }
.login-card .brand img { height: 48px; }
.login-card .tagline { font-size: 11px; color: var(--ink-faint); margin-top: 4px; letter-spacing: 0.03em; }

.stats-row { display: flex; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.stat-card { flex: 1; min-width: 160px; background: var(--paper-raised); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); padding: 18px; text-align: center; }
.stat-card .value { font-size: 30px; font-weight: bold; color: var(--accent-ink); }
.stat-card .label { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }

.charts-row { display: flex; gap: 16px; flex-wrap: wrap; }
.chart-card { flex: 1; min-width: 280px; }
.pie { width: 140px; height: 140px; border-radius: 50%; margin: 0 auto; }
.pie-legend { list-style: none; padding: 0; margin: 10px 0 0; font-size: 13px; }
.pie-legend li { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.pie-swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }