:root {
  --navy: #1f3a5f;
  --navy-dark: #16293f;
  --accent: #2f6fed;
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #e3e7ee;
  --text: #22282f;
  --muted: #6b7684;
  --red-bg: #fde8e8; --red-fg: #b3261e;
  --amber-bg: #fff3cd; --amber-fg: #8a6300;
  --green-bg: #e6f6ec; --green-fg: #1e7e42;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--navy-dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
  flex-shrink: 0;
}
.sidebar .brand {
  font-size: 16px;
  font-weight: bold;
  padding: 0 20px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 10px;
}
.sidebar nav { display: flex; flex-direction: column; flex: 1; }
.sidebar nav a {
  color: #cfd8e6;
  padding: 12px 20px;
  font-size: 14px;
}
.sidebar nav a:hover { background: rgba(255,255,255,0.06); text-decoration: none; }
.sidebar nav a.active { background: var(--accent); color: #fff; font-weight: bold; }
.sidebar-footer {
  padding: 16px 20px;
  font-size: 12px;
  color: #9fb0c6;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.sidebar-footer a { color: #ffd479; }

.content { flex: 1; padding: 28px 34px; max-width: 1400px; }

h1 { font-size: 22px; margin: 0 0 4px 0; color: var(--navy); }
h2 { font-size: 17px; color: var(--navy); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.page-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; flex-wrap: wrap; gap: 10px;}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 5px solid var(--accent);
  border-radius: 10px;
  padding: 16px 18px;
}
.stat-card.warn { border-left-color: #d99a00; }
.stat-card.danger { border-left-color: #c0392b; }
.stat-card.ok { border-left-color: #1e7e42; }
.stat-card .num { font-size: 28px; font-weight: bold; color: var(--navy); }
.stat-card .label { font-size: 13px; color: var(--muted); margin-top: 4px; }

.stat-card-link { display: block; color: inherit; text-decoration: none; }
.stat-card-link .stat-card { transition: box-shadow 0.15s ease, transform 0.15s ease; cursor: pointer; }
.stat-card-link:hover .stat-card { box-shadow: 0 4px 14px rgba(31,58,95,0.14); transform: translateY(-2px); }
.stat-card-link:hover { text-decoration: none; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: #eef2f8; color: var(--navy); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; position: sticky; top: 0; }
tr:hover td { background: #f8fafc; }
.table-wrap { overflow-x: auto; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: bold; }
.badge-red { background: var(--red-bg); color: var(--red-fg); }
.badge-amber { background: var(--amber-bg); color: var(--amber-fg); }
.badge-green { background: var(--green-bg); color: var(--green-fg); }
.badge-grey { background: #e9ecef; color: #555; }

.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
}
.btn:hover { background: #1d57c4; text-decoration: none; }
.btn-secondary { background: #fff; color: var(--accent); }
.btn-secondary:hover { background: #eef4ff; }
.btn-danger { background: #c0392b; border-color: #c0392b; }
.btn-danger:hover { background: #a5311f; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; text-align: center; }

form.inline { display: inline; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; align-items: end; }
.filters .field { display: flex; flex-direction: column; gap: 4px; }
.filters label { font-size: 11px; color: var(--muted); text-transform: uppercase; }

input[type=text], input[type=date], input[type=password], input[type=search], select, textarea {
  padding: 8px 10px;
  border: 1px solid #ccd3dd;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
}
label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px 0; font-weight: bold; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; max-width: 800px; }
.form-grid .full { grid-column: 1 / -1; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.alert-error { background: var(--red-bg); color: var(--red-fg); }
.alert-success { background: var(--green-bg); color: var(--green-fg); }

.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--navy-dark); }
.login-box { background: #fff; padding: 36px 40px; border-radius: 12px; width: 340px; box-shadow: 0 10px 40px rgba(0,0,0,0.3); }
.login-box h1 { font-size: 20px; }
.login-box form { display: flex; flex-direction: column; }
.login-box button { margin-top: 16px; }

.pagination { display: flex; gap: 6px; margin-top: 16px; }
.pagination a, .pagination span { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.pagination .current { background: var(--accent); color: #fff; }

.report-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.report-item { border: 1px solid var(--border); border-radius: 10px; padding: 16px; background: #fff; }
.report-item h3 { margin: 0 0 6px 0; font-size: 15px; color: var(--navy); }
.report-item p { font-size: 13px; color: var(--muted); margin: 0 0 12px 0; }