:root {
    --bg: #eef2f4;
    --surface: #ffffff;
    --surface-soft: #f7f9fa;
    --line: #d7dee2;
    --text: #162025;
    --muted: #65737a;
    --blue: #0f6f8f;
    --blue-dark: #0b4f67;
    --green: #147a4b;
    --red: #b42318;
    --amber: #a15c07;
    --shadow: 0 10px 28px rgba(20, 32, 38, .08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-width: 320px;
    font-family: Inter, Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}

button,
input,
select {
    font: inherit;
}

button,
.header-actions a {
    min-height: 36px;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 8px 12px;
    background: #2f3f47;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
}

button.primary { background: var(--blue); }
button.primary:hover { background: var(--blue-dark); }
button.ghost { background: #fff; color: var(--text); border-color: var(--line); }
button.danger { background: #9f1239; }
button:disabled { opacity: .55; cursor: wait; }

.shell-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 18px 24px;
    background: #111b20;
    color: #fff;
    border-bottom: 4px solid var(--blue);
}

.shell-header h1 {
    margin: 2px 0 0;
    font-size: 26px;
    letter-spacing: 0;
}

.eyebrow {
    margin: 0;
    font-size: 12px;
    color: #9bc3d0;
    font-weight: 700;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.layout {
    padding: 18px 24px 28px;
}

.toolbar,
.advanced {
    display: grid;
    grid-template-columns: minmax(220px, 1.4fr) 160px 110px 130px minmax(180px, .8fr) 150px;
    gap: 10px;
    align-items: end;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    box-shadow: var(--shadow);
}

.advanced {
    grid-template-columns: 140px 150px 150px minmax(180px, 1fr);
    margin-top: 10px;
}

.field {
    display: grid;
    gap: 5px;
}

.field span,
.toggle span {
    font-size: 12px;
    color: var(--muted);
    font-weight: 700;
}

.field input,
.field select {
    width: 100%;
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 8px 10px;
    background: #fff;
    color: var(--text);
}

.compact input { max-width: 140px; }

.toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
}

.toggle input {
    width: 18px;
    height: 18px;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(6, minmax(120px, 1fr));
    gap: 10px;
    margin: 14px 0;
}

.metric {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
}

.metric span {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.metric strong {
    display: block;
    margin-top: 5px;
    font-size: 28px;
}

.metric.attention strong { color: var(--red); }

.workarea {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 14px;
}

.table-panel,
.side-panel,
.log-panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-bottom: 1px solid var(--line);
}

.panel-head h2,
.panel-head p {
    margin: 0;
}

.panel-head h2 { font-size: 18px; }
.panel-head p { margin-top: 3px; color: var(--muted); font-size: 13px; }

.table-scroll {
    overflow: auto;
    max-height: calc(100vh - 310px);
}

table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
}

th,
td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
    font-size: 13px;
}

th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #e8eef1;
    color: #3b4a51;
    font-size: 12px;
    text-transform: uppercase;
}

tbody tr {
    cursor: pointer;
}

tbody tr:hover {
    background: #f3f8fa;
}

.sn {
    font-weight: 800;
    letter-spacing: 0;
}

.subtext,
.empty {
    color: var(--muted);
    font-size: 12px;
}

.empty {
    padding: 18px;
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    border-radius: 999px;
    padding: 3px 8px;
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    white-space: nowrap;
}

.badge.ok { background: var(--green); }
.badge.bad { background: var(--red); }
.badge.warn { background: var(--amber); }
.badge.neutral { background: #667780; }

.stack {
    display: grid;
    gap: 4px;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.actions button {
    min-height: 30px;
    padding: 5px 8px;
    font-size: 12px;
}

.side-panel {
    align-self: start;
    position: sticky;
    top: 14px;
}

.detail-body {
    padding: 14px;
    display: grid;
    gap: 12px;
}

.kv {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 8px;
    font-size: 13px;
}

.kv span:first-child {
    color: var(--muted);
    font-weight: 700;
}

.detail-block {
    border-top: 1px solid var(--line);
    padding-top: 12px;
}

.detail-block h3 {
    margin: 0 0 8px;
    font-size: 14px;
}

.log-panel {
    margin-top: 14px;
}

pre {
    margin: 0;
    padding: 14px;
    min-height: 160px;
    max-height: 340px;
    overflow: auto;
    white-space: pre-wrap;
    color: #25343a;
    background: #fbfcfd;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: var(--bg);
}

.login-box {
    width: min(380px, calc(100vw - 32px));
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 22px;
}

.login-box h1 {
    margin: 0 0 18px;
}

.login-box form {
    display: grid;
    gap: 12px;
}

.login-box label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.login-box input {
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 8px 10px;
}

.alert { color: var(--red); }

@media (max-width: 1180px) {
    .toolbar,
    .advanced,
    .metrics,
    .workarea {
        grid-template-columns: 1fr 1fr;
    }

    .search-field,
    .table-panel,
    .log-panel {
        grid-column: 1 / -1;
    }

    .side-panel {
        position: static;
    }
}

@media (max-width: 720px) {
    .shell-header {
        align-items: stretch;
        flex-direction: column;
        padding: 14px;
    }

    .layout {
        padding: 12px;
    }

    .toolbar,
    .advanced,
    .metrics,
    .workarea {
        grid-template-columns: 1fr;
    }

    .search-field,
    .table-panel,
    .log-panel {
        grid-column: auto;
    }

    .table-scroll {
        max-height: none;
    }
}