html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

/* ---------- Alphabet row (A B C ...) ---------- */
.alphabet-nav {
    text-align: center;
    margin: 0.75rem 0 2rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.alphabet-nav a {
    display: inline-block;
    margin: 0 0.35rem;
    color: #0d6efd; /* bootstrap primary */
    text-decoration: underline;
    text-underline-offset: 2px;
}

.alphabet-nav a:hover,
.alphabet-nav a:focus {
    color: #0a58ca;
}

/* ---------- Table styling ---------- */
.oh-table {
    border: 2px solid #0b2d42; /* dark outer border */
    border-collapse: collapse; /* removes the gap */
    width: 100%;
}

/* Header */
.oh-table thead th {
    background: #0b2d42; /* dark navy */
    color: #ffffff;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.03em;
    padding: 1rem 1.1rem;
    border: 0; /* we'll define separators ourselves */
    vertical-align: middle;
}

    .oh-table thead th:first-child {
        text-align: left;
    }

    .oh-table thead th:nth-child(2),
    .oh-table thead th:nth-child(3) {
        text-align: center;
    }

/* Body cells */
.oh-table tbody td {
    padding: 0.85rem 1.1rem;
    border-top: 1px solid #0b2d42; /* thin horizontal line between rows */
    vertical-align: middle;
}

/* Zebra striping like screenshot: odd rows tinted, even rows white */
.oh-table tbody tr:nth-child(odd) td {
    background: #dbe6e3; /* tinted row */
}

.oh-table tbody tr:nth-child(even) td {
    background: #ffffff; /* white row */
}

/* White vertical separators between columns (header + body) */
.oh-table thead th + th,
.oh-table tbody td + td {
    border-left: 4px solid #ffffff;
}

/* Link look */
.oh-table a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Center link columns content (matches screenshot layout) */
.oh-table tbody td:nth-child(2),
.oh-table tbody td:nth-child(3) {
    text-align: center;
}