:root {
  --primary: #1241a8;
  --accent: #f97316;
  --ink: #14213d;
  --muted: #64748b;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --line: #dbe4f0;
  --success: #15803d;
  --danger: #b91c1c;
  --warning: #a16207;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(249, 115, 22, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(18, 65, 168, 0.12), transparent 28%),
    linear-gradient(180deg, #eef4ff 0%, #f8fafc 35%, #f2f7fb 100%);
}

a {
  color: inherit;
}

.shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding: 18px 22px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  border-radius: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 800;
}

.brand h1,
.brand h2,
.brand p {
  margin: 0;
}

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

.nav a,
.btn,
button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  padding: 11px 16px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.nav a.secondary,
.btn.secondary,
button.secondary {
  background: white;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn.warn,
button.warn {
  background: var(--warning);
}

.btn.danger,
button.danger {
  background: var(--danger);
}

.nav a:hover,
.btn:hover,
button:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 22px;
  margin-bottom: 24px;
}

.hero-card,
.panel,
.metric,
.login-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  border-radius: 24px;
}

.hero-card {
  padding: 28px;
}

.hero-card h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.hero-card p {
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.metric {
  padding: 18px;
}

.metric strong {
  display: block;
  font-size: 1.6rem;
  margin-top: 6px;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

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

.panel {
  padding: 22px;
}

.panel h3,
.panel h4 {
  margin-top: 0;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.kpi {
  padding: 16px;
  border-radius: 18px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.kpi span {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kpi strong {
  display: block;
  margin-top: 8px;
  font-size: 1.45rem;
}

.table-wrap {
  overflow-x: auto;
}

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

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 0.94rem;
}

th {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

form.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
  padding: 12px 13px;
  font: inherit;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.message {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: #e2e8f0;
}

.badge.success { background: #dcfce7; color: #166534; }
.badge.warn { background: #fef3c7; color: #92400e; }
.badge.danger { background: #fee2e2; color: #991b1b; }

.list {
  display: grid;
  gap: 12px;
}

.item {
  padding: 14px 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(520px, 100%);
  padding: 28px;
}

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

@media (max-width: 980px) {
  .hero,
  .section-grid {
    grid-template-columns: 1fr;
  }

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

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
}