:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --border: #e6e8ef;
  --text: #1d2330;
  --muted: #7b8294;
  --primary: #4f8ef7;
  --danger: #ef4f4f;
  --pos: #2e8a55;
  --neg: #c43c3c;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
}
.topbar .brand { font-weight: 700; text-decoration: none; color: var(--text); font-size: 16px; }
.topbar nav a { margin-left: 16px; text-decoration: none; color: var(--muted); }
.topbar nav a:hover { color: var(--text); }

.container { max-width: 1200px; margin: 24px auto; padding: 0 24px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 20px;
}
.card h1 { margin: 4px 0 8px; }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.card.small { font-size: 13px; }

.muted { color: var(--muted); }
.error { background: #fde7e7; color: #a32525; padding: 8px 12px; border-radius: 4px; margin: 8px 0; }
.pos { color: var(--pos); font-weight: 600; }
.neg { color: var(--neg); font-weight: 600; }

.inline-form { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.inline-form input, .inline-form select {
  padding: 7px 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px;
}
.inline-form input[type="text"], .inline-form input[type="url"] { flex: 1; min-width: 200px; }

button {
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  cursor: pointer;
  font-size: 14px;
}
button:hover { background: #f0f2f7; }
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-primary:hover { filter: brightness(0.95); background: var(--primary); }
.btn-danger { background: var(--surface); color: var(--danger); border-color: var(--border); }
.btn-danger:hover { background: #fde7e7; }
.btn-link { background: none; border: none; cursor: pointer; padding: 2px 6px; font-size: 16px; }
.small { font-size: 12px; padding: 3px 8px; }

table { width: 100%; border-collapse: collapse; }
.reports-table th, .reports-table td, .data-table th, .data-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table th { font-size: 12px; text-transform: uppercase; color: var(--muted); letter-spacing: 0.04em; }

.row-between { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }

.avatar { width: 24px; height: 24px; border-radius: 50%; vertical-align: middle; margin-right: 6px; }
.thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 4px; vertical-align: middle; margin-right: 8px; }

code { background: #f0f2f7; padding: 2px 6px; border-radius: 3px; font-size: 13px; }

/* login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.login-card {
  background: var(--surface);
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-card h1 { margin: 0 0 8px; text-align: center; font-size: 20px; }
.login-card label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 4px; }
.login-card input { padding: 8px 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; }
.login-card button { background: var(--primary); color: white; border-color: var(--primary); padding: 10px; }