:root {
    --fg: #1c2430;
    --muted: #6b7785;
    --accent: #1f6feb;
    --border: #d8dee6;
    --bg-soft: #f4f6f9;
    --danger: #b42318;
    --ok: #1a7f37;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--fg);
    background: #fff;
    line-height: 1.45;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--fg);
    color: #fff;
}

.topbar a { color: #fff; text-decoration: none; }
.brand a { font-weight: 600; }
.nav { display: flex; align-items: center; gap: 1.25rem; }
.nav .user { color: #aebbcb; margin-right: 0.5rem; font-size: 0.9rem; }
.logout-form { display: inline-flex; align-items: center; gap: 0.5rem; margin: 0; }
.link-btn { background: none; border: none; color: #fff; cursor: pointer; text-decoration: underline; font: inherit; padding: 0; }

.container { max-width: 1000px; margin: 1.5rem auto; padding: 0 1.5rem; }

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }

a { color: var(--accent); }

table { width: 100%; border-collapse: collapse; margin: 0.5rem 0 1rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }

.btn {
    display: inline-block;
    padding: 0.45rem 0.9rem;
    border-radius: 6px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    font: inherit;
}
.btn.secondary { background: #fff; color: var(--accent); }
.btn.danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 0.25rem 0.6rem; font-size: 0.85rem; }

form.inline { display: inline; margin: 0; }

.field { margin-bottom: 0.9rem; max-width: 480px; }
.field label { display: block; font-weight: 600; margin-bottom: 0.2rem; font-size: 0.9rem; }
.field input[type=text], .field input[type=email], .field input[type=password],
.field input[type=number], .field input[type=date], .field select, .field textarea {
    width: 100%;
    padding: 0.45rem 0.55rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
}
.field textarea { min-height: 4rem; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }

fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 1rem; margin: 0 0 1.25rem; }
legend { font-weight: 600; padding: 0 0.4rem; }

.muted { color: var(--muted); }
.pill { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.pill.ok { background: #e6f4ea; color: var(--ok); }
.pill.off { background: #fbe9e7; color: var(--danger); }
.pill.neutral { background: var(--bg-soft); color: var(--muted); }

.key-box {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.6rem 0.8rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    word-break: break-all;
}
.banner { border-radius: 8px; padding: 0.8rem 1rem; margin-bottom: 1rem; }
.banner.success { background: #e6f4ea; border: 1px solid #abd6b8; }
.banner.error { background: #fbe9e7; border: 1px solid #f1b8b0; }
.validation { color: var(--danger); font-size: 0.85rem; }
.validation-summary ul { margin: 0; padding-left: 1.1rem; }
.actions { display: flex; gap: 0.6rem; align-items: center; margin-top: 1rem; }