:root {
  --bg: #f6f7f9;
  --panel: #fff;
  --border: #eee;
  --text: #222;
  --muted: #666;
  --accent: #1a73e8;
  --danger: crimson;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", "Yu Gothic UI", sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 32px 24px; }

.header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
}
.header h1 { font-size: 22px; margin: 0; }
.header .user { font-size: 13px; color: var(--muted); }

.nav { margin-bottom: 16px; font-size: 14px; }
.nav a + a::before { content: ' / '; color: var(--muted); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--panel);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.kpi-card .label { color: #888; font-size: 12px; }
.kpi-card .value { font-size: 24px; font-weight: 600; margin-top: 4px; }

.panel {
  background: var(--panel);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  overflow: auto;
}
.panel h2 { font-size: 16px; margin: 0 0 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px; }
th { text-align: left; color: var(--muted); border-bottom: 1px solid var(--border); font-weight: normal; }
td { border-bottom: 1px solid #f3f3f3; }
td.num, th.num { text-align: right; }
td.mono { font-family: ui-monospace, Consolas, monospace; }
td.dim { color: #bbb; }

.empty { padding: 16px; text-align: center; color: #999; }
.error { color: var(--danger); padding: 8px 0; }

button.logout {
  margin-left: 8px;
  background: transparent;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
}
.login-card {
  background: var(--panel);
  padding: 40px 32px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  width: 360px;
  text-align: center;
}
.login-card h1 { margin: 0 0 8px; font-size: 20px; }
.login-card p { color: var(--muted); margin-bottom: 24px; }
.btn-google {
  width: 100%;
  padding: 12px 16px;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}
.btn-google:hover { opacity: 0.92; }