:root {
    --sidebar-width: 240px;
    --sidebar-bg: #0d1117;
    --sidebar-border: #21262d;
    --accent: #1abc9c;
    --accent-dim: rgba(26, 188, 156, 0.15);
    --card-bg: #161b22;
    --card-border: #21262d;
}

body {
    background-color: #0d1117;
    color: #c9d1d9;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

/* ── Sidebar ────────────────────────────────────────────────────────────────── */

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    position: sticky;
    top: 0;
    max-height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    text-decoration: none;
    display: block;
    padding: 0.25rem 0;
}

.sidebar-brand:hover { color: var(--accent); }

.sidebar-divider {
    border-color: var(--sidebar-border);
    margin: 0.5rem 0;
}

.sidebar .nav-link {
    color: #8b949e;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: color 0.15s, background-color 0.15s;
}

.sidebar .nav-link:hover {
    color: #c9d1d9;
    background-color: #161b22;
}

.sidebar .nav-link.active {
    color: var(--accent);
    background-color: var(--accent-dim);
}

.sidebar-server {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.25rem 0.75rem;
}

.server-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

.server-icon-placeholder {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--sidebar-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #8b949e;
}

.server-name {
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 155px;
    color: #c9d1d9;
}

.sidebar-user {
    font-size: 0.85rem;
    color: #8b949e;
    padding: 0.25rem 0;
}

/* ── Cards ──────────────────────────────────────────────────────────────────── */

.panel-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
}

.panel-card .card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
    font-size: 0.875rem;
    color: #8b949e;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ── Stat boxes ─────────────────────────────────────────────────────────────── */

.stat-box {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
}

.stat-box .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #e6edf3;
}

.stat-box .stat-label {
    font-size: 0.8rem;
    color: #8b949e;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Server selector cards ──────────────────────────────────────────────────── */

.server-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1.25rem;
    text-decoration: none;
    color: #c9d1d9;
    display: block;
    transition: border-color 0.15s, background-color 0.15s;
}

.server-card:hover {
    border-color: var(--accent);
    background-color: var(--accent-dim);
    color: #e6edf3;
}

.server-card img, .server-card .server-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
}

.server-card .server-card-icon {
    background-color: var(--sidebar-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* ── Badges ─────────────────────────────────────────────────────────────────── */

.badge-coalition {
    background-color: rgba(52, 152, 219, 0.2);
    color: #3498db;
    border: 1px solid rgba(52, 152, 219, 0.4);
}

.badge-federation {
    background-color: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.4);
}

/* ── Forms ──────────────────────────────────────────────────────────────────── */

.form-control, .form-select {
    background-color: #0d1117;
    border-color: var(--card-border);
    color: #c9d1d9;
}

.form-control:focus, .form-select:focus {
    background-color: #0d1117;
    border-color: var(--accent);
    color: #c9d1d9;
    box-shadow: 0 0 0 0.2rem rgba(26, 188, 156, 0.25);
}

.form-control::placeholder { color: #484f58; }

.btn-accent {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #0d1117;
    font-weight: 600;
}

.btn-accent:hover {
    background-color: #17a589;
    border-color: #17a589;
    color: #0d1117;
}

/* ── Tables ─────────────────────────────────────────────────────────────────── */

.table {
    color: #c9d1d9;
}

.table thead th {
    color: #8b949e;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom-color: var(--card-border);
    font-weight: 600;
}

.table > :not(:first-child) { border-top-color: var(--card-border); }
.table td { border-color: var(--card-border); }
.table-hover tbody tr:hover td { background-color: rgba(255,255,255,0.03); }

/* ── Landing page ───────────────────────────────────────────────────────────── */

.landing-logo {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.landing-sub {
    color: #8b949e;
    font-size: 1rem;
}

/* ── Misc ───────────────────────────────────────────────────────────────────── */

.text-accent { color: var(--accent); }
.page-title { font-weight: 700; font-size: 1.4rem; color: #e6edf3; margin-bottom: 1.5rem; }
.page-subtitle { color: #8b949e; font-size: 0.875rem; margin-top: -1rem; margin-bottom: 1.5rem; }
.mono { font-family: 'Consolas', 'Courier New', monospace; font-size: 0.85rem; }