:root {
  --rose: #d9527a;
  --rose-dark: #b23a5e;
  --bg: #faf6f7;
  --card-bg: #ffffff;
  --text: #2b2230;
  --muted: #7a6f75;
  --border: #ecdfe3;
  --green: #2e8b57;
  --red: #c0392b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c161a;
    --card-bg: #241d21;
    --text: #f1e9ec;
    --muted: #a99aa1;
    --border: #382d32;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--rose-dark); }
.nav { display: flex; gap: 16px; flex-wrap: wrap; flex: 1; }
.nav a { color: var(--text); text-decoration: none; font-size: 0.95rem; }
.nav a:hover { color: var(--rose); }
.userbox { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--muted); }
.logout { color: var(--rose); text-decoration: none; font-weight: 600; }
.content { padding: 24px; max-width: 1100px; margin: 0 auto; }

h1 { font-size: 1.4rem; margin-bottom: 16px; }
h2 { font-size: 1.1rem; margin: 24px 0 12px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}
.card h3 { margin: 0 0 10px; font-size: 0.95rem; color: var(--muted); }
.card .row { display: flex; justify-content: space-between; font-size: 0.9rem; padding: 3px 0; }
.card .row b { font-weight: 600; }
.stat { font-size: 1.6rem; font-weight: 700; color: var(--rose-dark); }
.stat.small { font-size: 1.2rem; }
.positive { color: var(--green); }
.negative { color: var(--red); }

table { width: 100%; border-collapse: collapse; background: var(--card-bg); border-radius: 10px; overflow: hidden; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
th { background: rgba(217, 82, 122, 0.08); color: var(--muted); font-weight: 600; }
tr:hover td { background: rgba(217, 82, 122, 0.05); }
.table-wrap { overflow-x: auto; }

.btn {
  display: inline-block;
  background: var(--rose);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
}
.btn:hover { background: var(--rose-dark); }
.btn.danger { background: var(--red); }
.btn.small { padding: 4px 10px; font-size: 0.8rem; }

.filters { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-bottom: 16px; }
.filters label { display: flex; flex-direction: column; font-size: 0.8rem; color: var(--muted); gap: 4px; }
input, select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text);
  font-size: 0.9rem;
}

.period-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.period-tabs a {
  padding: 6px 14px;
  border-radius: 20px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 0.88rem;
}
.period-tabs a.active { background: var(--rose); color: #fff; border-color: var(--rose); }

pre.report {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  white-space: pre-wrap;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.92rem;
  line-height: 1.5;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--rose) 0%, var(--rose-dark) 100%);
}
.login-card {
  background: var(--card-bg);
  padding: 36px;
  border-radius: 16px;
  width: 320px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}
.login-card h1 { text-align: center; margin-bottom: 4px; }
.login-card p.sub { text-align: center; color: var(--muted); margin-bottom: 20px; font-size: 0.85rem; }
.login-card form { display: flex; flex-direction: column; gap: 12px; }
.login-card .btn { text-align: center; margin-top: 6px; }
.error { color: var(--red); font-size: 0.85rem; text-align: center; }
.empty { color: var(--muted); padding: 20px; text-align: center; }