:root {
  color-scheme: light;
  --bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --chip: #f3f4f6;
  --brand: #1a73e8;
  --shadow: 0 1px 2px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-sm: 10px;
  --max: 1100px;
  --pad: 20px;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

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

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

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--pad);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px var(--pad);
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 14px;
  align-items: center;
}

.brand {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.toplinks {
  display: none;
  gap: 14px;
}

.toplink {
  font-size: 14px;
  color: var(--muted);
}

.user { position: relative; justify-self: end; }

.user-button {
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--chip);
  border: 1px solid var(--border);
  cursor: pointer;
}

.user-menu {
  position: absolute;
  right: 0;
  top: 44px;
  width: 240px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.menu-item {
  display: block;
  padding: 10px 12px;
  font-size: 14px;
}

.menu-item:hover { background: #f9fafb; text-decoration: none; }

.menu-sep { height: 1px; background: var(--border); }

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  font-size: 14px;
  cursor: pointer;
}

.menu-toggle:hover { background: #f9fafb; }

h1 {
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
}

h2 {
  font-size: 20px;
  margin: 0 0 10px 0;
}

p { color: var(--muted); line-height: 1.6; }

.hero {
  padding: 52px 0 26px;
}

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

.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 14px;
}

.button.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  padding: 16px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px;
  font-size: 14px;
}

.kv div:nth-child(odd) { color: var(--muted); }

.input, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
}

.row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--chip);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

@media (min-width: 860px) {
  .toplinks { display: flex; }
  .hero-grid { grid-template-columns: 1.2fr 0.8fr; align-items: start; }
  .grid { grid-template-columns: 1fr 1fr; }
  .row { grid-template-columns: 1fr 1fr; }
}