/* WG Hub — brand palette: black / red / white, square corners, modern sans-serif. */

:root {
    --wg-black: #000000;
    --wg-near-black: #121212;
    --wg-red: #E60008;
    --wg-red-dark: #b80006;
    --wg-white: #ffffff;
    --wg-gray-50: #fafafa;
    --wg-gray-100: #f2f2f2;
    --wg-gray-200: #e2e2e2;
    --wg-gray-400: #9a9a9a;
    --wg-gray-600: #5c5c5c;
    --wg-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --wg-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    --wg-sidebar-w: 248px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--wg-white);
    color: var(--wg-near-black);
    font-family: var(--wg-font);
    font-size: 14px;
}

h1, h2, h3, h4 { font-family: var(--wg-font); font-weight: 700; letter-spacing: -0.01em; margin: 0 0 .5em; }
h1 { font-size: 1.65rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: .06em; color: var(--wg-gray-600); }
a { color: var(--wg-red); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .wg-mono { font-family: var(--wg-mono); }

/* ---------- shell layout ---------- */

.wg-shell { display: flex; min-height: 100vh; }

.wg-sidebar {
    width: var(--wg-sidebar-w);
    flex: 0 0 var(--wg-sidebar-w);
    background: var(--wg-black);
    color: var(--wg-white);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.wg-main {
    flex: 1 1 auto;
    padding: 2rem 2.5rem;
    max-width: 1400px;
    overflow-x: auto;
}

.wg-brand {
    padding: 1.75rem 1.5rem 1.25rem;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: .02em;
    border-bottom: 1px solid #262626;
}
.wg-brand-mark { color: var(--wg-red); }
.wg-brand-rest { color: var(--wg-white); }
.wg-brand-company { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--wg-gray-400); margin-bottom: .25rem; }

.wg-nav { display: flex; flex-direction: column; padding: 1rem 0; flex: 1 1 auto; }

.wg-nav-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .75rem 1.5rem;
    color: #cfcfcf;
    font-weight: 600;
    font-size: .92rem;
    border-left: 3px solid transparent;
}
.wg-nav-link:hover { background: #161616; color: var(--wg-white); text-decoration: none; }
.wg-nav-link.active { color: var(--wg-white); border-left-color: var(--wg-red); background: #161616; }
.wg-nav-icon { color: var(--wg-red); font-size: .6rem; width: 1rem; text-align: center; }

.wg-nav-footer {
    border-top: 1px solid #262626;
    padding: 1rem 1.5rem 1.5rem;
}
.wg-user-chip { margin-bottom: .6rem; }
.wg-user-name { color: var(--wg-white); font-weight: 700; font-size: .88rem; }
.wg-user-role { color: var(--wg-red); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.wg-logout-btn {
    background: transparent;
    border: 1px solid #3a3a3a;
    color: #cfcfcf;
    padding: .4rem .8rem;
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}
.wg-logout-btn:hover { border-color: var(--wg-red); color: var(--wg-white); }

/* ---------- login page ---------- */

.wg-login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--wg-black);
    background-image: linear-gradient(180deg, #000 0%, #161616 100%);
}

.wg-login-card {
    background: var(--wg-white);
    width: 380px;
    max-width: 92vw;
    padding: 2.5rem 2.25rem 2.25rem;
    border-top: 4px solid var(--wg-red);
}
.wg-login-company { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--wg-gray-600); margin-bottom: .3rem; }
.wg-login-brand { font-size: 1.6rem; font-weight: 800; margin-bottom: .1rem; }
.wg-login-brand .wg-brand-mark { color: var(--wg-red); }
.wg-login-brand .wg-brand-rest { color: var(--wg-near-black); }
.wg-login-sub { color: var(--wg-gray-600); font-size: .85rem; margin-bottom: 1.75rem; }

/* ---------- generic building blocks ---------- */

.wg-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}
.wg-page-sub { color: var(--wg-gray-600); font-size: .88rem; margin-top: -.35rem; }

.wg-card {
    background: var(--wg-white);
    border: 1px solid var(--wg-gray-200);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.wg-stat-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.wg-stat {
    flex: 1 1 180px;
    background: var(--wg-black);
    color: var(--wg-white);
    padding: 1.25rem 1.4rem;
    min-width: 160px;
}
.wg-stat-value { font-size: 2rem; font-weight: 800; line-height: 1; }
.wg-stat-value.wg-accent { color: var(--wg-red); }
.wg-stat-label { color: var(--wg-gray-400); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; margin-top: .4rem; font-weight: 700; }

table.wg-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.wg-table th {
    text-align: left;
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--wg-gray-600);
    border-bottom: 2px solid var(--wg-black);
    padding: .6rem .7rem;
}
table.wg-table td { padding: .65rem .7rem; border-bottom: 1px solid var(--wg-gray-200); vertical-align: middle; }
table.wg-table tbody tr:hover { background: var(--wg-gray-50); }

.wg-badge {
    display: inline-block;
    padding: .18rem .55rem;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    border: 1px solid currentColor;
}
.wg-badge-up { color: #0a7d2c; }
.wg-badge-down { color: var(--wg-gray-600); }
.wg-badge-red { color: var(--wg-red); }

.wg-dot { display: inline-block; width: .55rem; height: .55rem; border-radius: 50%; margin-right: .4rem; }
.wg-dot-up { background: #0a7d2c; }
.wg-dot-down { background: var(--wg-gray-400); }

.wg-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--wg-red);
    color: var(--wg-white);
    border: 1px solid var(--wg-red);
    padding: .55rem 1.1rem;
    font-weight: 700;
    font-size: .85rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.wg-btn:hover { background: var(--wg-red-dark); border-color: var(--wg-red-dark); color: var(--wg-white); text-decoration: none; }
.wg-btn:disabled { background: var(--wg-gray-400); border-color: var(--wg-gray-400); cursor: not-allowed; }

.wg-btn-outline {
    background: transparent;
    color: var(--wg-black);
    border: 1px solid var(--wg-black);
}
.wg-btn-outline:hover { background: var(--wg-black); color: var(--wg-white); }

.wg-btn-sm { padding: .32rem .7rem; font-size: .74rem; }

.wg-input, .wg-select {
    width: 100%;
    padding: .6rem .7rem;
    border: 1px solid var(--wg-gray-200);
    background: var(--wg-white);
    font-size: .9rem;
    font-family: var(--wg-font);
}
.wg-input:focus, .wg-select:focus { outline: none; border-color: var(--wg-red); }

.wg-field { margin-bottom: 1rem; }
.wg-field label { display: block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--wg-gray-600); margin-bottom: .35rem; }

.wg-error { color: var(--wg-red); font-size: .85rem; margin: .5rem 0; font-weight: 600; }
.wg-empty { color: var(--wg-gray-600); font-style: italic; padding: 1rem 0; }

.wg-modal-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex;
    align-items: center; justify-content: center; z-index: 100;
}
.wg-modal { background: var(--wg-white); width: 480px; max-width: 92vw; max-height: 88vh; overflow-y: auto; border-top: 4px solid var(--wg-red); padding: 1.75rem; }

.wg-config-block {
    background: var(--wg-near-black);
    color: #d8f0d8;
    font-family: var(--wg-mono);
    font-size: .82rem;
    padding: 1.1rem 1.2rem;
    white-space: pre-wrap;
    word-break: break-all;
    margin: .75rem 0;
    max-height: 320px;
    overflow-y: auto;
}

.wg-tag { display: inline-block; background: var(--wg-gray-100); color: var(--wg-near-black); padding: .1rem .5rem; font-size: .74rem; font-weight: 700; margin-right: .3rem; }
.wg-mono-inline { font-family: var(--wg-mono); font-size: .85rem; background: var(--wg-gray-100); padding: .1rem .35rem; }

.wg-toolbar { display: flex; gap: .6rem; margin-bottom: 1rem; flex-wrap: wrap; }

.wg-topology { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; font-size: .85rem; }
.wg-topology .wg-node { border: 1px solid var(--wg-black); padding: .5rem .9rem; font-weight: 700; }
.wg-topology .wg-node.wg-hub { background: var(--wg-black); color: var(--wg-white); }
.wg-topology .wg-arrow { color: var(--wg-gray-400); }

/* ---------- monitoring / stats ---------- */

.wg-site-stat-card {
    border: 1px solid var(--wg-gray-200);
    padding: 1.1rem 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.wg-site-stat-head { flex: 1 1 220px; min-width: 200px; }
.wg-site-stat-title { font-weight: 700; font-size: .95rem; }
.wg-site-stat-sub { color: var(--wg-gray-600); font-size: .8rem; margin-top: .15rem; }
.wg-site-stat-totals { display: flex; gap: 1.5rem; flex: 0 0 auto; }
.wg-site-stat-num { text-align: right; }
.wg-site-stat-num .value { font-weight: 800; font-size: 1.05rem; }
.wg-site-stat-num .label { font-size: .68rem; text-transform: uppercase; letter-spacing: .05em; color: var(--wg-gray-600); }
.wg-site-stat-chart { flex: 0 0 auto; }
.wg-spark-legend { display: flex; gap: .9rem; font-size: .68rem; color: var(--wg-gray-600); margin-top: .3rem; justify-content: flex-end; }
.wg-spark-legend span::before { content: ''; display: inline-block; width: .6rem; height: .6rem; margin-right: .3rem; vertical-align: middle; }
.wg-spark-legend .rx::before { background: var(--wg-red); }
.wg-spark-legend .tx::before { background: var(--wg-black); }

.wg-sparkline { display: block; overflow: visible; }
.wg-spark-rx { fill: none; stroke: var(--wg-red); stroke-width: 1.6; }
.wg-spark-tx { fill: none; stroke: var(--wg-black); stroke-width: 1.6; }
.wg-spark-axis { stroke: var(--wg-gray-200); stroke-width: 1; }
.wg-spark-empty {
    font-size: .72rem;
    color: var(--wg-gray-400);
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--wg-gray-200);
}