:root {
  --navy: #0f1f33;
  --navy-light: #1b3a5c;
  --slate: #48566b;
  --slate-light: #8a96a3;
  --paper: #f4f6f8;
  --line: #d7dce2;
  --white: #ffffff;
  --accent: #a9762f;      /* muted brass — controlled-document / official feel */
  --success: #2e6b3e;
  --error: #9a2f2f;
  --font: "Helvetica Neue", Arial, "Segoe UI", sans-serif;
  --mono: "Courier New", Courier, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--navy);
  font-size: 15px;
  line-height: 1.5;
}

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

.topbar {
  background: var(--navy);
  color: var(--white);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
}
.topbar .brand {
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--white);
}
.topbar .brand small {
  display: block;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--slate-light);
  font-size: 11px;
}
.topbar nav a {
  color: var(--white);
  margin-left: 20px;
  font-size: 13px;
  opacity: 0.85;
}
.topbar nav a:hover { opacity: 1; text-decoration: none; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--navy);
}
.page-subtitle {
  color: var(--slate);
  font-size: 13px;
  margin: 0 0 28px;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.section-list { display: grid; gap: 10px; }
.section-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--navy-light);
  padding: 14px 20px;
  border-radius: 2px;
}
.section-row .code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--slate-light);
  display: block;
}
.section-row .name { font-weight: 600; font-size: 15px; }
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 2px;
  letter-spacing: 0.03em;
}
.badge.level-1 { background: #e4efe6; color: var(--success); }
.badge.level-2 { background: #eef1f8; color: var(--navy-light); }
.badge.level-3 { background: #f6ecdd; color: var(--accent); }
.badge.level-4 { background: #f7e6e6; color: var(--error); }
.badge.count { background: var(--paper); color: var(--slate); }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--slate); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700; }
tr:hover td { background: #fafbfc; }
.doc-code { font-family: var(--mono); font-size: 12px; color: var(--slate); }

.btn {
  display: inline-block;
  background: var(--navy);
  color: var(--white) !important;
  border: none;
  padding: 9px 18px;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none !important;
}
.btn:hover { background: var(--navy-light); }
.btn.secondary { background: var(--white); color: var(--navy) !important; border: 1px solid var(--line); }
.btn.danger { background: var(--error); }
.btn.small { padding: 5px 12px; font-size: 12px; }

form .field { margin-bottom: 16px; }
form label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 5px; color: var(--slate); }
form input[type="text"], form input[type="email"], form input[type="password"],
form input[type="date"], form select, form textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 14px;
  font-family: var(--font);
  background: var(--white);
}
form textarea { min-height: 80px; }
.checkbox-field { display: flex; align-items: center; gap: 8px; }
.checkbox-field input { width: auto; }

.flash { padding: 10px 16px; border-radius: 2px; margin-bottom: 18px; font-size: 13.5px; }
.flash.success { background: #e4efe6; color: var(--success); }
.flash.error { background: #f7e6e6; color: var(--error); }
.flash.info { background: #eef1f8; color: var(--navy-light); }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
}
.login-box {
  background: var(--white);
  width: 380px;
  padding: 36px 32px;
  border-radius: 3px;
}
.login-box .brand-mark {
  text-align: center;
  margin-bottom: 24px;
}
.login-box .brand-mark .name {
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 15px;
  color: var(--navy);
}
.login-box .brand-mark .sub {
  font-size: 11.5px;
  color: var(--slate-light);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.stat-box { background: var(--white); border: 1px solid var(--line); padding: 18px 20px; border-radius: 3px; }
.stat-box .num { font-size: 26px; font-weight: 700; color: var(--navy); }
.stat-box .label { font-size: 12px; color: var(--slate); text-transform: uppercase; letter-spacing: 0.03em; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--slate-light); font-size: 13.5px; }

.admin-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
.admin-tabs a {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate);
  border-bottom: 2px solid transparent;
}
.admin-tabs a.active { color: var(--navy); border-bottom-color: var(--accent); }

@media (max-width: 640px) {
  .stat-grid { grid-template-columns: 1fr; }
  .container { padding: 20px 14px 48px; }
  .section-row { flex-direction: column; align-items: flex-start; gap: 8px; }
}