* { box-sizing: border-box; }
body {
    margin: 0;
    font: 15px/1.5 "Segoe UI", system-ui, sans-serif;
    color: #1f2933;
    background: #f3f6f8;
}
body.auth {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f5c4d 0%, #127a63 55%, #1c9a7c 100%);
}
main { max-width: 1280px; margin: 0 auto; padding: 24px; }
body.auth main { width: 100%; }
h1, h2 { margin: 0 0 8px; font-weight: 600; }
h1 { font-size: 24px; }
h2 { font-size: 18px; }
code, pre { font-family: Consolas, "Cascadia Mono", monospace; }
pre { background: #f6f8fa; border: 1px solid #dde3e8; border-radius: 8px; padding: 12px; overflow-x: auto; }
a { color: #0f7a63; }
.muted { color: #6b7785; font-weight: normal; }

.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 24px; background: #0f5c4d; color: #fff;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; text-decoration: none; }
.topbar .brand img { width: 28px; height: 28px; }
.topbar nav { display: flex; align-items: center; gap: 18px; }
.topbar nav a, .topbar .link { color: #d7f2ea; text-decoration: none; }
.topbar nav a:hover, .topbar .link:hover { color: #fff; }
.topbar form { margin: 0; }

.card { background: #fff; border: 1px solid #dde3e8; border-radius: 12px; padding: 22px; margin-bottom: 20px; }
.card.narrow { max-width: 420px; margin: 0 auto; box-shadow: 0 20px 50px rgba(0, 0, 0, .25); border: 0; }
.card.highlight { border-color: #74c7ae; background: #f0fbf7; }
.card .logo { width: 56px; height: 56px; display: block; margin-bottom: 12px; }
.columns { display: flex; gap: 20px; align-items: flex-start; }
.columns > .card:first-child { width: 360px; flex: none; }
.columns > .grow { flex: 1; min-width: 0; }
@media (max-width: 900px) { .columns { flex-direction: column; } .columns > .card:first-child { width: 100%; } }

form label { display: block; margin-top: 12px; font-weight: 600; font-size: 14px; }
input, textarea, select {
    display: block; width: 100%; margin-top: 4px; padding: 9px 11px;
    font: inherit; font-weight: normal; border: 1px solid #c8d1d9; border-radius: 8px; background: #fff;
}
input:focus, textarea:focus { outline: 2px solid #74c7ae; border-color: #127a63; }
button {
    font: inherit; padding: 8px 14px; border-radius: 8px; border: 1px solid #c8d1d9;
    background: #fff; color: #1f2933; cursor: pointer;
}
button:hover { background: #f0f4f7; }
button.primary { margin-top: 18px; width: 100%; padding: 11px; border: 0; background: #127a63; color: #fff; font-weight: 600; }
button.primary:hover { background: #0f5c4d; }
button.link { border: 0; background: none; padding: 0; }
button.copied { background: #127a63; color: #fff; border-color: #127a63; }

.error, .notice, .warning { border-radius: 8px; padding: 10px 12px; margin: 10px 0; }
.error { background: #fdecec; color: #9b1c1c; border: 1px solid #f5c2c2; }
.notice { background: #e7f6f0; color: #0f5c4d; border: 1px solid #b7e2d3; }
.warning { background: #fff7e0; color: #7a5300; border: 1px solid #f1d98d; margin-top: 18px; }

.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.search { display: flex; gap: 8px; }
.search input { margin: 0; width: 280px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid #e8edf1; vertical-align: top; }
th { font-size: 13px; color: #6b7785; font-weight: 600; }
td.actions { white-space: nowrap; }
td.actions a { margin-left: 8px; }
code.key { word-break: break-all; font-size: 13px; }
code.key.short { display: inline-block; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }

.key-row { display: flex; align-items: center; gap: 12px; padding: 10px 12px; margin: 8px 0; background: #fff; border: 1px solid #dde3e8; border-radius: 8px; }
.key-row .key { flex: 1; }
.key-row .serial { font-weight: 600; color: #0f5c4d; }
input.mono { font-family: Consolas, "Cascadia Mono", monospace; font-size: 16px; letter-spacing: 1px; text-transform: uppercase; }
.hidden { display: none; }
.nowrap, td.nowrap { white-space: nowrap; }
.spaced { margin-top: 22px; }
form.inline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px; background: #f6f8fa; border-radius: 8px; }
form.inline select { width: auto; margin: 0; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.active { background: #e7f6f0; color: #0f5c4d; }
.badge.expiring { background: #fff7e0; color: #7a5300; }
.badge.expired { background: #fdecec; color: #9b1c1c; }
.details { display: grid; grid-template-columns: 140px 1fr; gap: 6px 16px; margin: 18px 0; }
.details dt { color: #6b7785; }
.details dd { margin: 0; }