:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --border: #dde1e6;
    --text: #1d2530;
    --muted: #6b7585;
    --primary: #1f5eff;
    --primary-dark: #1747bf;
    --ok: #1d8a4e;
    --err: #c0392b;
    --warn: #b7791f;
    --radius: 8px;
    font-size: 15px;
}

* { box-sizing: border-box; }

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

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef1f5; padding: 1px 5px; border-radius: 4px; font-size: 0.92em; word-break: break-all; }
.muted { color: var(--muted); }
.small { font-size: 0.85em; }

/* Top bar */
.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    background: #101725;
    color: #fff;
    padding: 0 20px;
    height: 52px;
}
.topbar .brand { font-weight: 700; letter-spacing: 0.3px; }
.topbar nav a { color: #c8d2e0; margin-right: 16px; }
.topbar nav a:hover { color: #fff; text-decoration: none; }
.logout-form { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.user-email { color: #8d99ab; font-size: 0.88em; }

/* Shell */
.shell { display: flex; min-height: calc(100vh - 52px); }
.sidebar {
    width: 230px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 18px 16px;
}
.sidebar-title { font-size: 0.78em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; letter-spacing: 0.6px; }
.site-group { margin-bottom: 16px; }
.site-group .site-name { font-weight: 600; margin-bottom: 4px; }
.site-group a { display: block; padding: 2px 0 2px 10px; color: var(--muted); font-size: 0.92em; }
.site-group a:hover { color: var(--primary); text-decoration: none; }

.content { flex: 1; padding: 26px 32px; max-width: 1100px; }
h1 { margin-top: 0; font-size: 1.5em; }
h2 { font-size: 1.15em; margin-top: 32px; }

/* Cards */
.cards { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0; }
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 22px;
    min-width: 160px;
}
.card-value { font-size: 1.7em; font-weight: 700; }
.card-label { color: var(--muted); font-size: 0.88em; margin-top: 2px; }
.card-warn .card-value { color: var(--warn); }

/* Tables */
table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background: #f0f2f5; font-size: 0.82em; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); }
tr:last-child td { border-bottom: none; }
td.actions { display: flex; gap: 6px; align-items: center; }
td.actions form { margin: 0; }

/* Badges */
.badge { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 0.78em; background: #e8ecf2; color: var(--muted); }
.badge-ok { background: #e0f3e8; color: var(--ok); }
.badge-err { background: #fbe5e1; color: var(--err); }
.badge-off { background: #f0e9d8; color: var(--warn); }

/* Forms */
.form-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    max-width: 640px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.form-inline-grid { max-width: 100%; }
label { display: flex; flex-direction: column; gap: 5px; font-weight: 600; font-size: 0.92em; }
label small { font-weight: 400; }
input[type="text"], input[type="email"], input[type="password"], input[type="url"], input[type="number"], textarea, select {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
    background: #fff;
}
input:focus, textarea:focus, select:focus { outline: 2px solid #bcd0ff; border-color: var(--primary); }
fieldset { border: 1px solid var(--border); border-radius: 6px; padding: 12px 14px; }
legend { font-weight: 600; font-size: 0.9em; padding: 0 6px; }
.checkbox { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; margin: 4px 0; }
.inline-form { display: contents; }
.inline-form input, .inline-form select { width: 100%; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}
.btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-small { padding: 4px 10px; font-size: 0.85em; }
.btn-ghost { background: transparent; border-color: transparent; color: inherit; }
.btn-ghost:hover { color: var(--primary); }
.btn-block { width: 100%; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius); margin: 14px 0; }
.alert-error { background: #fbe5e1; color: var(--err); border: 1px solid #efc4bd; }
.alert-success { background: #e0f3e8; color: var(--ok); border: 1px solid #bfe3cd; }

.keys-box .key-row { display: flex; gap: 10px; margin-top: 8px; align-items: baseline; }
.keys-box .key-row span { min-width: 90px; font-weight: 600; }

/* Auth pages */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 34px;
    width: 400px;
    max-width: 94vw;
    box-shadow: 0 8px 30px rgba(16, 23, 37, 0.08);
}
.auth-card h1 { font-size: 1.3em; margin: 0 0 18px; }
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.totp-secret code, .totp-uri code { display: block; padding: 8px; margin-top: 4px; }

.doc-list li { margin-bottom: 10px; }