:root {
    --bg: #0f1115;
    --panel: #171a21;
    --panel-2: #1e222b;
    --line: #2a2f3a;
    --text: #e6e8ee;
    --muted: #9aa3b2;
    --accent: #3b82f6;
    --danger: #ef4444;
    --ok: #22c55e;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 "Segoe UI", Roboto, Arial, sans-serif;
}

body.centered {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 28px 0 10px; }

.muted { color: var(--muted); font-size: 13px; }

code { background: var(--panel-2); padding: 2px 5px; border-radius: 4px; }

/* ---------- top bar ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 600; }
.topbar nav { display: flex; gap: 6px; }
.topbar nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
}
.topbar nav a:hover { background: var(--panel-2); color: var(--text); }
.topbar nav a.active { background: var(--accent); color: #fff; }
.topbar .user { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.topbar .logout { color: var(--danger); text-decoration: none; }

.container { max-width: 880px; margin: 0 auto; padding: 24px; }

/* ---------- cards & forms ---------- */
.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 24px;
    width: 100%;
    max-width: 380px;
}
.card.wide { max-width: 100%; }

label { display: block; margin: 14px 0 6px; font-size: 13px; color: var(--muted); }

input[type=text], input[type=password], input[type=url], textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
input:disabled { color: var(--muted); }

.radio-row { display: flex; gap: 18px; }
.radio { display: flex; align-items: center; gap: 6px; margin: 0; color: var(--text); }

button, .btn {
    display: inline-block;
    margin-top: 18px;
    padding: 10px 18px;
    background: var(--accent);
    color: #fff;
    border: 0;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
}
button:hover, .btn:hover { filter: brightness(1.1); }
button.danger { background: var(--danger); }
button.small { margin: 0; padding: 5px 10px; font-size: 12px; }

/* ---------- alerts ---------- */
.alert { padding: 10px 12px; border-radius: 6px; font-size: 13px; margin: 12px 0; }
.alert.error { background: rgba(239, 68, 68, .15); color: #fca5a5; }
.alert.ok { background: rgba(34, 197, 94, .15); color: #86efac; }

.log {
    background: #000;
    color: #cbd5e1;
    padding: 12px;
    border-radius: 6px;
    font-size: 12px;
    max-height: 260px;
    overflow: auto;
    white-space: pre-wrap;
}

/* ---------- tables ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td {
    text-align: left;
    padding: 9px 10px;
    border-bottom: 1px solid var(--line);
}
.table th { color: var(--muted); font-weight: 500; }
.table form { display: inline; }
.ellipsis { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.badge { padding: 2px 8px; border-radius: 999px; font-size: 11px; }
.badge.ok { background: rgba(34, 197, 94, .18); color: #86efac; }
.badge.bad { background: rgba(239, 68, 68, .18); color: #fca5a5; }