*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-dark: #1a1a2e;
    --bg-sidebar: #16213e;
    --bg-card: #0f3460;
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #334155;
    --online: #22c55e;
    --offline: #ef4444;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
}

/* Layout */
.layout {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 220px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    padding: 1rem 0;
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 0.5rem;
}

.nav-link {
    display: block;
    padding: 0.625rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s;
}

.nav-link:hover {
    background: rgba(124, 58, 237, 0.15);
    color: var(--text);
}

.nav-link.active {
    background: var(--accent);
    color: #fff;
}

/* Main area */
.main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.top-bar h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
    flex: 1;
}

/* Invite button */
.btn-invite {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 1rem;
    background: #5865f2;
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.15s, transform 0.1s;
    white-space: nowrap;
}

.btn-invite:hover {
    background: #4752c4;
    transform: translateY(-1px);
}

.btn-invite:active {
    transform: translateY(0);
}

/* Install button (outlined style to contrast with filled invite) */
.btn-install {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 1rem;
    background: transparent;
    color: #5865f2;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 6px;
    border: 1px solid #5865f2;
    text-decoration: none;
    transition: background 0.15s, color 0.15s, transform 0.1s;
    white-space: nowrap;
}

.btn-install:hover {
    background: #5865f2;
    color: #fff;
    transform: translateY(-1px);
}

.btn-install:active {
    transform: translateY(0);
}

/* Top bar action group */
.top-bar-actions {
    display: flex;
    gap: 0.625rem;
    align-items: center;
}

/* Invite banner on dashboard */
.invite-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #5865f2 0%, var(--accent) 100%);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.75rem;
}

.invite-banner-text {
    font-size: 1rem;
    color: #fff;
}

.invite-banner-text strong {
    font-size: 1.1rem;
}

.btn-invite-large {
    padding: 0.6rem 1.4rem;
    font-size: 0.95rem;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.35);
    backdrop-filter: blur(4px);
}

.btn-invite-large:hover {
    background: rgba(255,255,255,0.32);
    transform: translateY(-1px);
}

.btn-install-large {
    padding: 0.6rem 1.4rem;
    font-size: 0.95rem;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

.btn-install-large:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

.invite-banner-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-shrink: 0;
}

.content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.content h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* Dashboard cards */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
}

.card h3 {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.card p {
    font-size: 1.5rem;
    font-weight: 700;
}

.status-online {
    color: var(--online);
}

.status-offline {
    color: var(--offline);
}

/* Commands table */
.commands-table {
    width: 100%;
    border-collapse: collapse;
}

.commands-table th,
.commands-table td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

.commands-table th {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.commands-table code {
    color: var(--accent);
    font-weight: 600;
}