:root {
    --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #6b7385; --line: #e3e6ec;
    --accent: #2457d6; --accent-text: #fff; --ok: #1f7a43; --ok-bg: #e5f4ea; --err: #b42318; --err-bg: #fdecea;
    color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #12151b; --card: #1b2029; --text: #e6e9ef; --muted: #98a0b3; --line: #2c3340;
        --accent: #6f95ff; --accent-text: #0d1220; --ok: #5fd08c; --ok-bg: #173324; --err: #ff8a7a; --err-bg: #3a1c19;
    }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.5rem; margin: .5rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 0; }
small, .muted { color: var(--muted); font-weight: normal; }
.top { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.top nav { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; overflow-x: auto; }
.narrow { max-width: 420px; margin: 40px auto; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; justify-content: space-between; margin-bottom: 12px; }
form.row { justify-content: flex-start; }
.right { text-align: right; margin-top: 12px; }
label { display: block; margin-bottom: 12px; font-size: .9rem; color: var(--muted); }
form.row label { margin-bottom: 0; }
input, select { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
form.row input, form.row select { width: auto; }
button, .button { display: inline-block; padding: 8px 16px; font: inherit; font-weight: 600; color: var(--accent-text); background: var(--accent); border: 1px solid var(--accent); border-radius: 6px; cursor: pointer; text-decoration: none; }
.secondary { color: var(--accent); background: transparent; }
button.link { padding: 0; font-weight: normal; color: var(--accent); background: none; border: 0; }
form.inline { display: inline; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 6px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, monospace; font-size: .9em; }
.pos { color: var(--ok); }
.neg { color: var(--err); }
tr.pending { opacity: .65; }
.position .total { margin: .25rem 0; font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.flash { padding: 10px 14px; border-radius: 6px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.err { background: var(--err-bg); color: var(--err); }
.badge { padding: 2px 10px; border-radius: 99px; font-size: .8rem; font-weight: 600; background: var(--line); }
.badge.active { background: var(--ok-bg); color: var(--ok); }
.badge.expired, .badge.revoked { background: var(--err-bg); color: var(--err); }