:root {
    --bg: #f5f6f8;
    --card: #ffffff;
    --text: #1f2733;
    --muted: #6b7480;
    --border: #e3e6ea;
    --brand: #1f6feb;
    --brand-dark: #1a5fd0;
    --success: #137a4b;
    --success-bg: #e7f6ee;
    --danger: #c23934;
    --danger-bg: #fdeceb;
    --warning-bg: #fff7e6;
    --warning-text: #8a5a00;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.55;
    font-size: 16px;
}

a { color: var(--brand); }

.container {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: 0 20px;
}

.container--wide { max-width: 1080px; }

/* ---------- Site header ---------- */
.site-header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}
.brand {
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.01em;
}
.site-nav a {
    color: var(--muted);
    text-decoration: none;
    margin-left: 18px;
    font-size: 14px;
}
.site-nav a:hover { color: var(--text); }
.site-nav a.active { color: var(--text); font-weight: 600; }

main { padding: 32px 0 64px; }

/* ---------- Cards ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
}
.card + .card { margin-top: 16px; }

/* ---------- Typography ---------- */
h1 { font-size: 28px; margin: 0 0 6px; letter-spacing: -0.02em; }
h2 { font-size: 20px; margin: 0 0 12px; }
.page-head { margin-bottom: 24px; }
.page-head .subtitle { color: var(--muted); margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---------- Job listing ---------- */
.job-list { list-style: none; padding: 0; margin: 0; }
.job-list li + li { margin-top: 14px; }
.job-card {
    display: block;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    text-decoration: none;
    color: inherit;
    transition: border-color .15s, box-shadow .15s;
}
.job-card:hover { border-color: #c8d2e0; box-shadow: 0 4px 12px rgba(16,24,40,.08); }
.job-card h2 { color: var(--brand); margin-bottom: 4px; }
.job-card .meta { color: var(--muted); font-size: 13px; }

/* HTML body of a job description */
.job-body { font-size: 16px; }
.job-body h1, .job-body h2, .job-body h3 { margin-top: 1.4em; }
.job-body ul, .job-body ol { padding-left: 22px; }
.job-body img { max-width: 100%; height: auto; }

.apply-bar {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    background: var(--brand);
    color: #fff;
    border: 1px solid var(--brand);
    border-radius: 8px;
    padding: 11px 22px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    text-align: center;
    transition: background .15s;
}
.btn:hover { background: var(--brand-dark); }
.btn--block { display: block; width: 100%; }
.btn--lg { padding: 14px 30px; font-size: 16px; }
.btn--ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}
.btn--ghost:hover { background: #f0f2f5; }
.btn--danger { background: var(--danger); border-color: var(--danger); }
.btn--danger:hover { background: #a92e2a; }
.btn--sm { padding: 6px 12px; font-size: 13px; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 20px; }
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 14px; }
.required { color: var(--danger); }
input[type=text],
input[type=email],
input[type=tel],
input[type=password],
input[type=file],
textarea,
select {
    width: 100%;
    padding: 11px 12px;
    font-size: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    font-family: inherit;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
}
textarea { resize: vertical; min-height: 120px; }
.hint { color: var(--muted); font-size: 13px; margin-top: 6px; }

.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    cursor: pointer;
    background: #fff;
}
.checkbox input[type=checkbox] {
    width: 20px;
    height: 20px;
    margin: 1px 0 0;
    flex-shrink: 0;
    accent-color: var(--brand);
}
.checkbox label { margin: 0; font-weight: 500; cursor: pointer; }

.field-error { color: var(--danger); font-size: 13px; margin-top: 6px; }
input.is-invalid, textarea.is-invalid { border-color: var(--danger); }

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}
.alert--success { background: var(--success-bg); color: var(--success); }
.alert--error { background: var(--danger-bg); color: var(--danger); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
table.data th, table.data td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
table.data th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
    background: #fafbfc;
}
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: #fafbfc; }
table.data a { text-decoration: none; font-weight: 600; }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge--green { background: var(--success-bg); color: var(--success); }
.badge--gray { background: #eef1f4; color: var(--muted); }
.badge--star { background: #fff4d6; color: #8a5a00; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}
.stat .num { font-size: 26px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 13px; }

/* ---------- Layout helpers ---------- */
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 20px; }
.spacer { flex: 1; }
.inline { display: inline; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.back-link { display: inline-block; margin-bottom: 16px; color: var(--muted); text-decoration: none; font-size: 14px; }
.back-link:hover { color: var(--text); }

.detail-grid { display: grid; grid-template-columns: 200px 1fr; gap: 0; }
.detail-grid dt { font-weight: 600; padding: 12px 0; border-bottom: 1px solid var(--border); color: var(--muted); }
.detail-grid dd { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--border); }

.empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--muted);
}

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 6px; list-style: none; padding: 0; margin: 20px 0 0; flex-wrap: wrap; }
.pagination a, .pagination span {
    display: inline-block;
    padding: 7px 12px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
}
.pagination .active span { background: var(--brand); color: #fff; border-color: var(--brand); }
.pagination .disabled span { color: #c0c6cd; }

.footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 0; }

@media (max-width: 720px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .detail-grid { grid-template-columns: 1fr; }
    .detail-grid dt { padding-bottom: 0; border-bottom: none; }
    .detail-grid dd { padding-top: 4px; }
    .card { padding: 20px; }
}