:root {
    --bg: #f4f6fb;
    --card: #ffffff;
    --ink: #1f2733;
    --muted: #6b7688;
    --line: #e3e8f0;
    --brand: #2f6fed;
    --brand-dark: #2559c4;
    --danger: #d94141;
    --ok-bg: #e7f6ec;
    --ok-ink: #1e7a3c;
    --err-bg: #fdecec;
    --err-ink: #b02a2a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.wrap {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: var(--card);
    border-bottom: 1px solid var(--line);
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 16px;
    padding-bottom: 16px;
}
.logo { font-size: 20px; margin: 0; }
.site-header nav a {
    margin-left: 18px;
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
}
.site-header nav a:hover { color: var(--ink); }
.site-header nav a.active { color: var(--brand); }

main.wrap { padding-top: 28px; padding-bottom: 40px; }

h2 { margin: 0 0 6px; font-size: 22px; }
.muted { color: var(--muted); font-size: 14px; }
.strong { font-weight: 600; }

.count {
    display: inline-block;
    background: var(--brand);
    color: #fff;
    font-size: 13px;
    border-radius: 999px;
    padding: 1px 10px;
    vertical-align: middle;
}

/* Card */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 22px;
    margin-top: 18px;
}
.card.empty { text-align: center; }
.card.empty p { color: var(--muted); }

/* Form */
.field { margin-bottom: 18px; }
.field label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
}
.field input,
.field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font: inherit;
    color: inherit;
    background: #fbfcfe;
}
.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--brand);
    background: #fff;
}
.field textarea { resize: vertical; }
.error { display: block; color: var(--danger); font-size: 13px; margin-top: 5px; }

/* Buttons */
.btn {
    display: inline-block;
    background: var(--brand);
    color: #fff;
    border: 1px solid var(--brand);
    border-radius: 8px;
    padding: 10px 18px;
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn-ghost { background: transparent; color: var(--brand); }
.btn-ghost:hover { background: #eaf0fd; }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #b62f2f; border-color: #b62f2f; }
.btn-sm { padding: 5px 11px; font-size: 13px; }
.btn:disabled,
.btn:disabled:hover {
    background: #d7dce5;
    border-color: #d7dce5;
    color: #8b95a5;
    cursor: not-allowed;
}
.actions { display: flex; gap: 10px; align-items: center; margin-top: 4px; }

/* Alerts */
.alert {
    border-radius: 8px;
    padding: 11px 14px;
    margin-top: 16px;
    font-size: 14px;
}
.alert-success { background: var(--ok-bg); color: var(--ok-ink); }
.alert-error   { background: var(--err-bg); color: var(--err-ink); }

/* Table */
.table-wrap { padding: 0; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
.table th {
    background: #f7f9fc;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--muted);
    white-space: nowrap;
}
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: #fafbfe; }

@media (max-width: 600px) {
    .table th, .table td { padding: 10px; font-size: 14px; }
    .actions { flex-wrap: wrap; }
}


/* ---------------------------------------------------------------- DR drill */
.alert-warn { background: #fff6e5; color: #8a5a00; }

.regions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.region h3 { margin: 0 0 12px; font-size: 17px; }
.region h3 .muted { font-weight: 400; font-size: 13px; }
.region dl { margin: 0; }
.region dt {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--muted);
    margin-top: 12px;
}
.region dt:first-child { margin-top: 0; }
.region dd { margin: 4px 0 0; }
.region dd code { font-size: 12px; }

.pill {
    display: inline-block;
    background: #eef1f6;
    color: var(--ink);
    border-radius: 999px;
    padding: 2px 11px;
    font-size: 13px;
    font-weight: 600;
}
.pill-ok   { background: var(--ok-bg);  color: var(--ok-ink); }
.pill-bad  { background: var(--err-bg); color: var(--err-ink); }
.pill-busy { background: #fff6e5;       color: #8a5a00; }

.phase { margin: 0 0 14px; font-size: 17px; }

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 8px;
    border: 2px solid var(--line);
    border-top-color: var(--brand);
    border-radius: 50%;
    animation: spin .8s linear infinite;
    vertical-align: -2px;
}
.spinner.hidden { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.steps { margin: 0; padding-left: 22px; }
.steps li { margin: 5px 0; color: var(--muted); }
.steps li.step-done   { color: var(--ok-ink); }
.steps li.step-active { color: var(--ink); font-weight: 600; }

.drill-form { margin: 0; }
.drill-form .field { margin-bottom: 12px; max-width: 460px; }
.card hr {
    border: none;
    border-top: 1px solid var(--line);
    margin: 22px 0;
}

@media (max-width: 700px) {
    .regions { grid-template-columns: 1fr; }
}