:root {
    --ink: #0b0c0d;
    --wash: #121315;
    --panel: #191a1d;
    --lift: #202124;
    --line: rgba(255, 255, 255, 0.06);
    --line-strong: rgba(255, 255, 255, 0.11);
    --ivory: #e6e6e3;
    --mute: #7a7a78;
    --mist: #adada8;
    --copper: #b89466;
    --copper-deep: #7a5c38;
    --sage: #85998a;
    --danger: #c47a72;
    --radius: 4px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    background: var(--ink);
    color: var(--ivory);
    font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
}

a { color: var(--ivory); text-decoration: none; }
a:hover { color: #fff; }

.shell {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px 48px;
}
.shell-wide { max-width: 1180px; }

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 28px;
}
.lockup {
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.22em;
    font-size: 13px;
    font-weight: 600;
}
.mark { width: 20px; height: 20px; display: block; }
.nav { display: flex; gap: 18px; align-items: center; color: var(--mist); font-size: 13px; }
.nav a { color: var(--mist); }
.nav a:hover { color: var(--ivory); }
.nav-strong {
    color: var(--ink) !important;
    background: var(--copper);
    padding: 6px 10px;
    border-radius: 2px;
}

.flash {
    padding: 10px 12px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}
.flash-error { border-color: rgba(196, 122, 114, 0.4); color: var(--danger); }
.flash-ok { border-color: rgba(133, 153, 138, 0.45); color: var(--sage); }

.hero { padding: 12px 0 36px; }
.hero h1 {
    font-size: 42px;
    font-weight: 500;
    letter-spacing: -0.03em;
    margin: 0 0 12px;
}
.hero p { color: var(--mist); max-width: 34em; margin: 0; font-size: 16px; }

.section-title {
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--mute);
    margin: 0 0 16px;
}

.plans {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.plan {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}
.plan-featured { border-color: var(--copper-deep); background: var(--lift); }
.plan h3 { margin: 0 0 6px; font-size: 20px; font-weight: 500; }
.plan .price { color: var(--copper); font-size: 13px; letter-spacing: 0.04em; margin-bottom: 12px; }
.plan p { color: var(--mist); margin: 0 0 16px; font-size: 14px; }
.plan ul { margin: 0; padding: 0; list-style: none; color: var(--ivory); font-size: 14px; }
.plan li { padding: 4px 0; color: var(--mist); }
.plan li::before { content: "— "; color: var(--copper); }

.downloads {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 8px;
}
.dl {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--wash);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 20px;
}
.dl h3 { margin: 0 0 4px; font-size: 16px; font-weight: 500; }
.dl p { margin: 0; color: var(--mute); font-size: 13px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    cursor: pointer;
    font: inherit;
    border-radius: 2px;
    padding: 8px 14px;
    background: var(--copper);
    color: var(--ink);
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover { color: var(--ink); filter: brightness(1.08); }
.btn-ghost {
    background: transparent;
    color: var(--ivory);
    border: 1px solid var(--line-strong);
}
.btn-ghost:hover { color: #fff; }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid rgba(196, 122, 114, 0.35); }
.btn-small { padding: 5px 10px; font-size: 13px; }

.auth {
    max-width: 420px;
    margin: 24px auto 0;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
}
.auth h1 { margin: 0 0 8px; font-size: 24px; font-weight: 500; }
.auth .lead { color: var(--mist); margin: 0 0 20px; font-size: 14px; }
label { display: block; font-size: 12px; color: var(--mute); margin: 0 0 6px; }
input, select, textarea {
    width: 100%;
    background: var(--ink);
    color: var(--ivory);
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    padding: 9px 10px;
    font: inherit;
    margin-bottom: 14px;
}
textarea { min-height: 72px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hint { color: var(--mute); font-size: 13px; margin-top: 14px; }
.hint a { color: var(--copper); }

.grid-2 { display: grid; grid-template-columns: 280px 1fr; gap: 24px; }
.side {
    background: var(--wash);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px;
    height: fit-content;
}
.side h2 { margin: 0 0 12px; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mute); font-weight: 500; }
.side a, .side button.linkish {
    display: block;
    color: var(--mist);
    padding: 6px 0;
    background: none;
    border: 0;
    font: inherit;
    text-align: left;
    cursor: pointer;
}
.side a.active, .side a:hover { color: var(--ivory); }
.who { font-size: 13px; color: var(--mist); margin-bottom: 12px; }
.who strong { display: block; color: var(--ivory); font-weight: 500; }

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 14px;
}
.card h1, .card h2 { margin: 0 0 8px; font-weight: 500; }
.card h1 { font-size: 22px; }
.card h2 { font-size: 16px; }
.muted { color: var(--mute); }
.copper { color: var(--copper); }
.sage { color: var(--sage); }
.danger { color: var(--danger); }
.status-active { color: var(--sage); }
.status-unused { color: var(--copper); }
.status-expired, .status-revoked { color: var(--danger); }

.key-once {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 18px;
    letter-spacing: 0.08em;
    background: var(--ink);
    border: 1px solid var(--copper-deep);
    padding: 14px;
    border-radius: 2px;
    margin: 12px 0;
    word-break: break-all;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--mute); font-weight: 500; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
td form { display: flex; gap: 8px; align-items: center; margin: 0; flex-wrap: wrap; }
td form select, td form .btn { width: auto; margin: 0; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 18px; }
.stat { background: var(--wash); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.stat b { display: block; font-size: 22px; font-weight: 500; }
.stat span { color: var(--mute); font-size: 12px; }

.foot {
    margin-top: 48px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    color: var(--mute);
    font-size: 12px;
}

@media (max-width: 860px) {
    .plans, .downloads, .stats, .grid-2, .field-row { grid-template-columns: 1fr; }
    .hero h1 { font-size: 32px; }
    .nav { gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
}