:root {
    --ok: #1a7f37;
    --warning: #b08800;
    --critical: #cf222e;
    --error: #6e7781;
    --bg: #f6f8fa;
    --border: #d0d7de;
}

* { box-sizing: border-box; }

body {
    font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
    background: var(--bg);
    color: #24292f;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px;
}

.login-container {
    max-width: 360px;
    margin: 80px auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
}

h1 {
    font-size: 22px;
    margin: 0 0 16px;
}

h2 {
    font-size: 16px;
    margin: 24px 0 8px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.topbar .user {
    font-size: 13px;
    color: #57606a;
}

.topbar a {
    color: #0969da;
    text-decoration: none;
    font-size: 13px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

th {
    background: #f6f8fa;
    font-weight: 600;
}

tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
}
.badge.ok { background: var(--ok); }
.badge.warning { background: var(--warning); }
.badge.critical { background: var(--critical); }
.badge.error { background: var(--error); }

form.inline { display: inline; }

.btn {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    text-decoration: none;
    color: #24292f;
}
.btn.primary {
    background: #1f883d;
    border-color: #1f883d;
    color: #fff;
}
.btn.danger {
    background: #fff;
    color: var(--critical);
    border-color: var(--critical);
}
.btn:hover { opacity: 0.85; }

input[type=text], input[type=password] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 12px;
}

.add-form {
    display: flex;
    gap: 8px;
    margin: 16px 0;
    align-items: flex-end;
}
.add-form > div { flex: 1; }
.add-form label {
    display: block;
    font-size: 12px;
    color: #57606a;
    margin-bottom: 4px;
}

.flash {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}
.flash.success { background: #dafbe1; color: #116329; }
.flash.error { background: #ffebe9; color: #82071e; }

.muted { color: #57606a; font-size: 13px; }