:root {
  --primary: #00bfff;
  --secondary: #0b74b8;
  --topbar-bg: rgba(216, 235, 246, 0.92);
  --topbar-text: #405263;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eef4f8;
  --text: #17212b;
  --muted: #627284;
  --border: #d7e1ea;
  --danger: #b42318;
  --success: #067647;
  --warning: #b54708;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  background: var(--topbar-bg);
  color: var(--topbar-text);
  border-bottom: 1px solid rgba(11, 116, 184, 0.16);
}

.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  min-height: 58px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  font-weight: 800;
  font-size: 18px;
  line-height: 0;
}

.brand-logo {
  display: block;
  width: auto;
  height: 42px;
  max-width: 170px;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(255, 255, 255, 0.22));
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.nav a,
.nav button {
  color: var(--topbar-text);
  background: transparent;
  border: 0;
  border-radius: 6px;
  padding: 9px 10px;
  font: inherit;
  cursor: pointer;
}

.nav a:hover,
.nav button:hover {
  background: rgba(255, 255, 255, 0.42);
}

.shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 22px 18px 48px;
}

.page-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

h1,
h2,
h3 {
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
  margin: 0;
}

h2 {
  font-size: 20px;
  margin: 0 0 12px;
}

h3 {
  font-size: 16px;
  margin: 0 0 10px;
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.panel,
.metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.metric strong {
  display: block;
  font-size: 26px;
  margin-top: 4px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border-radius: 6px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #062033;
  font-weight: 700;
}

.btn.secondary {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}

.btn.danger {
  border-color: #f3b4ad;
  color: var(--danger);
}

.btn.small {
  min-height: 30px;
  padding: 5px 8px;
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 10px;
  min-height: 38px;
  font: inherit;
  background: #fff;
  color: var(--text);
}

textarea {
  min-height: 88px;
  resize: vertical;
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}

.field-help {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 13px;
  background: var(--surface-soft);
}

tr:last-child td {
  border-bottom: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 3px 8px;
  background: var(--surface-soft);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 700;
}

.alert {
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  background: #fff;
}

.alert.success { border-color: #abefc6; color: var(--success); }
.alert.warning { border-color: #fedf89; color: var(--warning); }
.alert.danger { border-color: #fecdca; color: var(--danger); }

.empty {
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.split {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
  align-items: start;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  word-break: break-word;
}

@media (max-width: 860px) {
  .topbar-inner,
  .page-title,
  .split {
    display: block;
  }

  .nav {
    margin-top: 10px;
  }

  .brand-logo {
    height: 38px;
    max-width: 150px;
  }

  .grid.two,
  .grid.three,
  .grid.four {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .span-3,
  .span-4,
  .span-6,
  .span-8,
  .span-12 {
    grid-column: span 1;
  }
}