:root {
  --bg: #fafaf7;
  --bg-card: #ffffff;
  --ink: #1a1a1a;
  --ink-soft: #5a5a5a;
  --ink-faint: #9a9a96;
  --line: #ececea;
  --accent: #b6553f;
  --accent-soft: #f3e6e1;
  --green: #2f7a4c;
  --red: #b64141;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  max-width: 360px;
  width: 100%;
  text-align: center;
}
.login-card h1 { font-size: 22px; font-weight: 600; margin: 0 0 4px; }
.login-card .sub { color: var(--ink-soft); margin: 0 0 28px; font-size: 14px; }
.login-card button {
  width: 100%;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--bg);
  border: 0;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity .12s;
}
.login-card button:hover { opacity: 0.88; }
.login-card button:disabled { opacity: 0.4; cursor: not-allowed; }
.login-card .msg { margin-top: 14px; font-size: 13px; color: var(--ink-soft); min-height: 18px; }
.login-card .msg.err { color: var(--red); }

/* Dashboard layout */
.topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--line);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { font-size: 15px; font-weight: 600; margin: 0; }
.topbar .meta { font-size: 12px; color: var(--ink-faint); }
.range-tabs { display: flex; gap: 4px; }
.range-tabs button {
  background: transparent;
  border: 1px solid var(--line);
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--ink-soft);
}
.range-tabs button.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.container { max-width: 1180px; margin: 0 auto; padding: 24px; }

/* KPI cards */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 800px) { .kpis { grid-template-columns: repeat(2, 1fr); } }

.kpi {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.kpi .label {
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.kpi .value { font-size: 26px; font-weight: 600; line-height: 1.1; }
.kpi .delta { font-size: 12px; margin-top: 4px; color: var(--ink-soft); }
.kpi .delta.up { color: var(--green); }
.kpi .delta.down { color: var(--red); }
.kpi .subline { font-size: 11px; color: var(--ink-faint); margin-top: 4px; }

/* Chart row */
.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 900px) { .charts { grid-template-columns: 1fr; } }
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.chart-card h3 {
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 14px;
  color: var(--ink);
}
.chart-card h3 .sub { font-weight: 400; color: var(--ink-faint); margin-left: 6px; }
.chart-card canvas { width: 100% !important; height: 240px !important; }

/* Tables */
.tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 900px) { .tables { grid-template-columns: 1fr; } }
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.table-card h3 { font-size: 13px; font-weight: 600; margin: 0 0 12px; }
.table-card table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table-card th, .table-card td {
  text-align: left;
  padding: 7px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.table-card th {
  font-size: 11px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.table-card td.num { text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-soft); }
.table-card td.path { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table-card .empty { color: var(--ink-faint); font-size: 12px; padding: 8px 0; }

.recent-subs .email { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.recent-subs .when { font-size: 11px; color: var(--ink-faint); }

.loading { color: var(--ink-faint); font-size: 12px; padding: 8px; }