:root {
  --primary: #981932;
  --primary-dark: #6e1124;
  --secondary: #0f47af;
  --dark: #000;
  --white: #fff;
  --gray-50: #f8f8f8;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-500: #6b6b6b;
  --text: #1a1a1a;
  --r: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, .12);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--gray-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.site-header {
  background: var(--dark);
  border-bottom: 3px solid var(--primary);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-nav { display: flex; gap: .25rem; align-items: center; }
.site-nav a {
  color: var(--gray-200);
  text-decoration: none;
  padding: .4rem .8rem;
  border-radius: var(--r);
  font-size: .9rem;
  transition: background .15s;
}
.site-nav a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.site-nav a.btn-nav { background: var(--primary); color: #fff; font-weight: 600; }
.site-nav a.btn-nav:hover { background: var(--primary-dark); }

/* ── Main / layout ── */
.site-main { flex: 1; }
.page-hero {
  background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 100%);
  border-bottom: 3px solid var(--primary);
  color: #fff;
  padding: 2.5rem 1.5rem;
}
.page-hero .inner { max-width: 1100px; margin: 0 auto; }
.page-hero h1 { font-size: 1.8rem; font-weight: 700; }
.page-hero p { color: var(--gray-200); margin-top: .35rem; }
.container    { max-width: 1100px; margin: 0 auto; padding: 2rem 1.5rem; }
.container-sm { max-width: 640px;  margin: 0 auto; padding: 2rem 1.5rem; }

/* ── Card ── */
.card {
  background: #fff;
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: .55rem 1.25rem;
  border-radius: var(--r);
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background .15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }

/* ── Forms ── */
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .3rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .5rem .75rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--r);
  font-size: .95rem;
  background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(152, 25, 50, .15);
}
.help-text  { font-size: .8rem; color: var(--gray-500); margin-top: .25rem; }
.form-error { font-size: .8rem; color: var(--primary);   margin-top: .25rem; }

/* ── Alerts ── */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--r);
  margin-bottom: 1rem;
  font-size: .9rem;
  border-left: 4px solid;
}
.alert-success { background: #eefbf3; border-color: #16a34a; color: #14532d; }
.alert-error   { background: #fef2f2; border-color: var(--primary); color: var(--primary-dark); }
.alert-info    { background: #eff6ff; border-color: var(--secondary); color: #0a338a; }

/* ── Tables ── */
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th {
  text-align: left;
  padding: .6rem .75rem;
  background: var(--dark);
  color: #fff;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.table td { padding: .6rem .75rem; border-bottom: 1px solid var(--gray-100); }
.table tbody tr:hover { background: var(--gray-50); }

/* ── Badges ── */
.badge { display: inline-block; padding: .15rem .55rem; border-radius: 99px; font-size: .75rem; font-weight: 600; }
.badge-red   { background: #fde8ec; color: var(--primary); }
.badge-blue  { background: #e8f0fe; color: var(--secondary); }
.badge-green { background: #eefbf3; color: #16a34a; }
.badge-gray  { background: var(--gray-100); color: var(--gray-500); }

/* ── Footer ── */
.site-footer {
  background: var(--dark);
  color: var(--gray-500);
  text-align: center;
  padding: 1rem 1.5rem;
  font-size: .8rem;
  border-top: 3px solid var(--primary);
  margin-top: auto;
}

/* ── Utilities ── */
.text-muted { color: var(--gray-500); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .header-inner { flex-wrap: wrap; gap: .5rem; padding: .65rem 1rem; }
  .site-nav { flex-wrap: wrap; gap: .15rem; }
  .site-nav a { padding: .35rem .6rem; font-size: .85rem; }
  .page-hero { padding: 1.75rem 1rem; }
  .page-hero h1 { font-size: 1.4rem; }
  .container,
  .container-sm { padding: 1.25rem 1rem; }
  .card { padding: 1.25rem; }
  .table { display: block; overflow-x: auto; white-space: nowrap; }
}