:root {
    --bg: #0f1115;
    --panel: #171a21;
    --panel-2: #1e222b;
    --line: #2a2f3a;
    --text: #e6e8ec;
    --muted: #8b93a1;
    --accent: #7c5cff;
    --accent-2: #4ade80;
}

* { box-sizing: border-box; }

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

/* ---- landing ---- */
.landing { max-width: 620px; margin: 12vh auto; padding: 0 24px; text-align: center; }
.landing h1 { font-size: 2.4rem; margin-bottom: 8px; }
.landing p { color: var(--muted); font-size: 1.05rem; }
.btn {
    display: inline-block; margin-top: 24px; padding: 12px 22px;
    background: var(--accent); color: white; border-radius: 10px;
    text-decoration: none; font-weight: 600;
}

/* ---- login ---- */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card {
    background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
    padding: 44px 40px; max-width: 400px; width: 100%; text-align: center;
}
.login-brand { font-size: 2.6rem; margin-bottom: 8px; }
.login-card h1 { font-size: 1.6rem; margin: 0 0 8px; }
.login-card p { color: var(--muted); font-size: .95rem; margin: 0 0 28px; }
.btn-ms {
    display: inline-flex; align-items: center; justify-content: center; gap: 12px;
    width: 100%; padding: 12px 22px;
    background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px;
    color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem;
}
.btn-ms:hover { border-color: var(--accent); }

/* ---- shell ---- */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }

.sidebar {
    background: var(--panel); border-right: 1px solid var(--line);
    display: flex; flex-direction: column; padding: 18px 14px;
}
.brand { font-weight: 700; font-size: 1.15rem; margin-bottom: 22px; display: flex; gap: 8px; align-items: center; }
.brand span { letter-spacing: .3px; }

nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
    padding: 10px 12px; border-radius: 8px; color: var(--muted);
    text-decoration: none; font-weight: 500;
}
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active { background: var(--accent); color: white; }

.sidebar-foot { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.who { font-size: .85rem; color: var(--muted); margin-bottom: 6px; }
.signout { color: var(--accent); text-decoration: none; font-size: .85rem; }

.content { display: flex; flex-direction: column; }
.topbar { padding: 22px 28px; border-bottom: 1px solid var(--line); }
.topbar h1 { margin: 0; font-size: 1.5rem; }
.page-body { padding: 24px 28px; }

/* ---- table ---- */
table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: .92rem; }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: .72rem; letter-spacing: .5px; background: var(--panel-2); }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .72rem; font-weight: 600; }
.badge.root { background: rgba(124,92,255,.2); color: #b9a6ff; }
.badge.on { background: rgba(74,222,128,.15); color: var(--accent-2); }
.badge.off { background: rgba(139,147,161,.15); color: var(--muted); }
.muted { color: var(--muted); }
.count { color: var(--muted); font-size: .85rem; margin-bottom: 14px; }