:root {
    --border: #d7dbe0;
    --text: #22262b;
    --muted: #6b7280;
    --accent: #2b5fb0;
    --bg: #f7f8fa;
    --danger: #b0362b;
    --success: #2b7a4b;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
}

header.topbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

header.topbar .brand { font-weight: 700; }

header.topbar nav { display: flex; gap: 1rem; flex: 1; }
header.topbar nav a { color: var(--text); text-decoration: none; }
header.topbar nav a:hover { color: var(--accent); }

header.topbar .topbar-search input {
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
}

header.topbar .logout-form button {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.35rem 0.6rem;
    cursor: pointer;
}

main { padding: 1.5rem; max-width: 1200px; margin: 0 auto; }

h1 { font-size: 1.4rem; margin-bottom: 1rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 0.75rem; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 0.5rem 0.65rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { background: #eef1f5; font-weight: 600; }
tr:hover td { background: #fafbfc; }

.card { background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 1rem 1.25rem; margin-bottom: 1rem; }

.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 0.45rem 0.9rem;
    text-decoration: none;
    cursor: pointer;
    font-size: 0.9rem;
}
.btn:hover { opacity: 0.9; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); }

form.inline { display: inline; }

.flash { padding: 0.6rem 1rem; border-radius: 4px; margin-bottom: 1rem; }
.flash-success { background: #e4f4e9; color: var(--success); }
.flash-error { background: #fbeae8; color: var(--danger); }

.field { margin-bottom: 0.85rem; }
.field label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.2rem; }
.field input, .field select, .field textarea {
    width: 100%;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.92rem;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }

.badge { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 10px; font-size: 0.78rem; }
.badge-yes { background: #e4f4e9; color: var(--success); }
.badge-no { background: #f0f1f3; color: var(--muted); }
.badge-warn { background: #fdf1e0; color: #92600a; }

.login-box { max-width: 320px; margin: 4rem auto; }

.small { font-size: 0.8rem; color: var(--muted); }

ul.changelog { list-style: none; padding: 0; font-size: 0.85rem; }
ul.changelog li { padding: 0.3rem 0; border-bottom: 1px dashed var(--border); }