:root {
  --bg: #f4f7fb;
  --ink: #0f1f2e;
  --muted: #5e6f82;
  --line: #d8e0ea;
  --card: #ffffff;
  --brand: #0f766e;
  --brand-soft: #d9f3f0;
  --accent: #f97316;
}

html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 8% -10%, #cdeee8 0%, transparent 35%),
    radial-gradient(circle at 100% 0%, #ffe5cf 0%, transparent 28%),
    var(--bg);
}

h1, h2, h3, h4, h5 {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: -0.02em;
}

.app-shell {
  max-width: 1040px;
}

.app-nav {
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(15, 31, 46, 0.08);
  backdrop-filter: blur(8px);
}

.app-brand {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.app-link {
  color: var(--muted);
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35rem 0.8rem !important;
}

.app-link:hover {
  color: var(--ink);
  background: #eef3f8;
}

.page-shell {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.5rem 1.25rem;
  box-shadow: 0 14px 40px rgba(20, 42, 64, 0.07);
  animation: rise-in 0.45s ease-out;
}

@media (min-width: 768px) {
  .page-shell {
    padding: 2rem;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.table {
  border-color: var(--line);
}

.table thead th {
  border-bottom-width: 1px;
  color: var(--muted);
  font-size: 0.86rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.table > :not(caption) > * > * {
  padding: 0.75rem;
}

.btn-primary {
  background-color: var(--brand);
  border-color: var(--brand);
}

.btn-primary:hover {
  background-color: #0b625c;
  border-color: #0b625c;
}

a {
  color: #0b6d9c;
}

a:hover {
  color: #0a587d;
}

.text-muted {
  color: var(--muted) !important;
}

.footer {
  padding: 1rem 0 2rem;
  font-size: 0.95rem;
}

.form-control:focus,
.form-select:focus,
.btn:focus {
  box-shadow: 0 0 0 0.2rem rgba(15, 118, 110, 0.2);
  border-color: #80cbc4;
}