:root {
    --bg: #070b10;
    --panel: #10161e;
    --card: #121923;
    --line: #223041;
    --text: #e8eef6;
    --muted: #93a0b3;
    --red: #ff7b8a;
    --red-dim: #6b2630;
    --green: #3ee0a2;
    --amber: #f5c15c;
    --blue: #6ea8ff;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    font-family: Inter, Arial, sans-serif;
    background: radial-gradient(circle at top, #132033 0%, var(--bg) 42%);
    color: var(--text);
    display: flex;
}
a { color: inherit; text-decoration: none; }
.sidebar {
    width: 260px;
    min-height: 100vh;
    background: #0c1219;
    border-right: 1px solid var(--line);
    padding: 22px 16px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    position: sticky;
    top: 0;
}
.brand { display: flex; gap: 12px; align-items: center; }
.shield {
    width: 42px; height: 42px; display: grid; place-items: center;
    background: #1a1014; border: 1px solid var(--red-dim); border-radius: 12px;
}
.brand strong { display: block; letter-spacing: .08em; font-size: 13px; }
.brand small { color: var(--muted); }
nav { display: flex; flex-direction: column; gap: 8px; }
nav a {
    padding: 11px 12px; border-radius: 10px; color: var(--muted); font-weight: 600;
}
nav a.on, nav a:hover { background: #172131; color: #fff; }
.badge {
    background: var(--red); color: #1a0b0e; border-radius: 999px;
    padding: 1px 7px; font-size: 11px; margin-left: 6px;
}
.side-foot { margin-top: auto; display: flex; justify-content: space-between; color: var(--muted); font-size: 13px; }
.main { flex: 1; padding: 28px 32px 48px; }
.top h1 { margin: 0 0 18px; font-size: 28px; }
.content { display: grid; gap: 18px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card, .table-wrap, .flash, form.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 18px 50px rgba(0,0,0,.28);
}
.card { padding: 18px; }
.k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.v { font-size: 28px; font-weight: 800; margin-top: 6px; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.tag {
    display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px;
    font-size: 12px; font-weight: 700;
}
.tag.pending { background: #3a2d12; color: var(--amber); }
.tag.active { background: #113428; color: var(--green); }
.tag.blocked, .tag.revoked { background: #3a151b; color: var(--red); }
.flash { padding: 12px 14px; }
.flash.ok { border-color: #1e4a3a; color: var(--green); }
.flash.err { border-color: var(--red-dim); color: var(--red); }
.actions, .row { display: flex; gap: 8px; flex-wrap: wrap; }
button, .btn {
    border: 0; cursor: pointer; border-radius: 10px; padding: 10px 14px;
    font-weight: 700; color: #081018; background: #d7e4f5;
}
.btn-red { background: var(--red); color: #2a0b12; }
.btn-green { background: var(--green); color: #06281c; }
.btn-amber { background: var(--amber); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; }
input, select, textarea {
    background: #0d141c; color: var(--text); border: 1px solid var(--line);
    border-radius: 10px; padding: 10px 12px; font: inherit;
}
.login-body {
    display: grid; place-items: center; min-height: 100vh; width: 100%;
}
.login-card {
    width: min(440px, calc(100% - 32px));
    background: var(--card);
    border: 1px solid var(--red-dim);
    border-radius: 18px;
    padding: 32px;
    box-shadow: 0 24px 70px rgba(0,0,0,.45);
}
.login-card h1 { color: var(--red); margin: 8px 0 6px; letter-spacing: .04em; }
.login-card p { color: var(--muted); }
.login-card form { display: grid; gap: 14px; margin-top: 18px; }
.meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checks { display: grid; gap: 8px; }
.check {
    display: flex; gap: 10px; align-items: center; color: var(--text);
    background: #0d141c; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
@media (max-width: 980px) {
    body { display: block; }
    .sidebar { width: auto; min-height: 0; position: relative; }
    .grid, .meta { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .grid, .meta { grid-template-columns: 1fr; }
    .main { padding: 18px; }
}