:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --card-bg-hover: #f9fafb;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e2e5ea;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --ok: #16a34a;
  --ok-bg: #f0fdf4;
  --ok-border: #bbf7d0;
  --warn: #b8791a;
  --warn-bg: #fef3c7;
  --warn-text: #92400e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10151a;
    --card-bg: #1a2129;
    --card-bg-hover: #212a33;
    --text: #e6eaee;
    --muted: #94a1ac;
    --border: #2a333d;
    --primary: #5b93f5;
    --primary-hover: #7ba7f7;
    --danger: #f2685f;
    --danger-bg: #3a1f1d;
    --danger-border: #5c2b26;
    --ok: #4ade80;
    --ok-bg: #163524;
    --ok-border: #235c37;
    --warn: #e0a53f;
    --warn-bg: #3a2c12;
    --warn-text: #f0c374;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }

.topbar { background: var(--card-bg); border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 20px;
  display: flex; justify-content: space-between; align-items: center;
}
.brand { font-weight: 600; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.user-email { color: var(--muted); }
.inline-form { display: inline; }
.link-btn {
  background: none; border: none; color: var(--primary); cursor: pointer;
  font-size: 14px; padding: 0; font-family: inherit;
}
.link-btn:hover { text-decoration: underline; }

h1 { font-size: 22px; margin: 0 0 4px; }
.subtitle { color: var(--muted); margin: 0 0 20px; }
.count { color: var(--muted); font-weight: normal; }

.login-box {
  max-width: 360px; margin: 60px auto; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 12px; padding: 32px;
}
.login-box h1 { text-align: center; }
.login-box .subtitle { text-align: center; }

form label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit; background: var(--card-bg); color: var(--text);
}
input[readonly] { color: var(--muted); background: var(--bg); }

.btn-primary {
  margin-top: 16px; display: inline-block; background: var(--primary); color: #fff; border: none;
  padding: 9px 18px; border-radius: 6px; font-size: 14px; cursor: pointer; text-decoration: none;
}
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }

.btn-secondary {
  display: inline-block; background: var(--card-bg); color: var(--text); border: 1px solid var(--border);
  padding: 8px 16px; border-radius: 6px; font-size: 14px; cursor: pointer; text-decoration: none;
}
.btn-secondary:hover { background: var(--card-bg-hover); text-decoration: none; }

.export-bar { display: flex; gap: 10px; margin-bottom: 20px; }

.alert { padding: 10px 14px; border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.alert-ok { background: var(--ok-bg); color: var(--ok); border: 1px solid var(--ok-border); }

.filter-bar {
  display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center;
}
.filter-bar input[type="search"] { flex: 1; min-width: 200px; }
.filter-bar select, .filter-bar input[type="date"] { width: auto; }
.filter-bar .btn-primary { margin-top: 0; }
.filter-bar label { display: flex; align-items: center; gap: 6px; margin: 0; }

.data-table {
  width: 100%; border-collapse: collapse; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
.data-table th, .data-table td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px;
}
.data-table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.data-table th.valor, .data-table td.valor { text-align: right; font-variant-numeric: tabular-nums; }
.row-link { cursor: pointer; }
.row-link:hover { background: var(--card-bg-hover); }
.empty { text-align: center; color: var(--muted); padding: 30px; }

.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.dot-ok { background: var(--ok); }
.dot-off { background: var(--border); }
.dot-bad { background: var(--danger); }
.dot-info { background: var(--primary); }

.muted { color: var(--muted); }
.small { font-size: 12px; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 18px;
}
.card-wide { grid-column: 1 / -1; }

.table-scroll { overflow-x: auto; }

@media (max-width: 720px) {
  .filter-bar { flex-direction: column; align-items: stretch; }
  .detail-grid { grid-template-columns: 1fr; }
}