:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --card: #ffffff;
  --primary: #1d4ed8;
  --primary-contrast: #ffffff;
  --danger: #b91c1c;
  --success: #15803d;
  --shadow: 0 10px 25px rgba(2, 6, 23, 0.08);
  --radius: 14px;
  --container: 1100px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  width: auto;
  height: auto;
  padding: 10px 12px;
  border-radius: 10px;
  background: #0b1220;
  color: #fff;
  z-index: 1000;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0b1220 0%, #1d4ed8 100%);
  box-shadow: var(--shadow);
}

.brand-name {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover, .nav a[aria-current="page"] {
  color: var(--text);
  background: #f1f5f9;
}

.hero {
  padding: 56px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.hero h1 {
  font-size: 44px;
  line-height: 1.1;
  margin: 0 0 10px;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.btn-primary {
  border-color: transparent;
  background: var(--primary);
  color: var(--primary-contrast);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  filter: brightness(0.98);
}

.btn:hover {
  background: #f8fafc;
}

.card {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-pad {
  padding: 18px;
}

.section {
  padding: 28px 0;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 26px;
  letter-spacing: -0.02em;
}

.section p {
  margin: 0 0 10px;
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.tool-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.tool-card p {
  margin: 0 0 12px;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.list li {
  margin: 6px 0;
}

.notice {
  border: 1px solid var(--border);
  background: #f8fafc;
  border-radius: var(--radius);
  padding: 14px;
  color: var(--muted);
}

.notice strong {
  color: var(--text);
}

.page-head {
  padding: 24px 0 0;
}

.page-head h1 {
  margin: 0 0 6px;
  font-size: 34px;
  letter-spacing: -0.02em;
}

.page-head p {
  margin: 0;
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 18px 0 34px;
}

.panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.panel-title h2 {
  font-size: 18px;
  margin: 0;
}

form {
  display: grid;
  gap: 12px;
}

.field {
  display: grid;
  gap: 6px;
}

label {
  font-weight: 700;
  font-size: 13px;
}

input, select, textarea {
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(29, 78, 216, 0.18);
  border-color: rgba(29, 78, 216, 0.55);
}

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

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.error {
  color: var(--danger);
  font-weight: 700;
  font-size: 13px;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.kpi {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
}

.kpi .k {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.kpi .v {
  font-family: var(--mono);
  font-weight: 800;
  margin-top: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 800;
  font-size: 12px;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0 40px;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  gap: 10px;
}

.small {
  font-size: 12px;
}

@media (max-width: 920px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .layout {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 0 2px;
  }
  .nav[data-open="true"] {
    display: flex;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .brand {
    min-width: auto;
  }
}