:root {
    --ink: #122026;
    --muted: #5b6b72;
    --line: #d5dee2;
    --paper: #f4f1ea;
    --card: #ffffff;
    --accent: #0d7377;
    --accent-ink: #ffffff;
    --danger: #b42318;
    --ok: #067647;
    --warn: #b54708;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: "Segoe UI", system-ui, sans-serif;
    background: var(--paper);
    color: var(--ink);
    min-height: 100vh;
}
a { color: var(--accent); }
.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: var(--ink);
    color: #fff;
}
.top a { color: #fff; text-decoration: none; margin-left: 16px; }
.top nav a.active { text-decoration: underline; }
.wrap { padding: 20px; max-width: 1100px; margin: 0 auto; }
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 16px;
}
.narrow { max-width: 420px; margin: 12vh auto; }
h1, h2 { margin: 0 0 12px; font-weight: 650; }
.muted { color: var(--muted); }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.stat {
    flex: 1 1 140px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 14px;
}
.stat b { display: block; font-size: 28px; }
label { display: block; font-size: 13px; margin: 10px 0 4px; color: var(--muted); }
input, select, textarea {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    font: inherit;
}
.btn, button, .ghost {
    display: inline-block;
    border: 0;
    border-radius: 6px;
    padding: 9px 14px;
    background: var(--accent);
    color: var(--accent-ink);
    text-decoration: none;
    font: inherit;
    cursor: pointer;
}
.ghost { background: #e8eef0; color: var(--ink); }
.danger { background: var(--danger); color: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.flash { padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; }
.flash.ok { background: #e8f7ee; color: var(--ok); }
.flash.err { background: #fde8e6; color: var(--danger); }
.token {
    font-family: ui-monospace, Consolas, monospace;
    word-break: break-all;
    background: #f6f7f8;
    padding: 10px;
    border-radius: 6px;
}
.badge { font-size: 12px; padding: 2px 7px; border-radius: 99px; background: #e8eef0; }
.badge.active { background: #d8f3dc; color: var(--ok); }
.badge.unused { background: #eef2ff; }
.badge.revoked { background: #fde8e6; color: var(--danger); }
.badge.expired { background: #fff4e5; color: var(--warn); }