:root {
    --accent: #6c5ce7;
    --bg-dark: #121212;
}

* { box-sizing: border-box; }
body, html {
    margin: 0; padding: 0; width: 100vw; height: 100vh; height: 100dvh;
    background-color: var(--bg-dark); color: #e0e0e0;
    font-family: 'Segoe UI', system-ui, sans-serif; overflow: hidden;
    display: flex; flex-direction: column;
}

.main-top-nav {
    flex: 0 0 48px; background: #1a1a2e; border-bottom: 1px solid #2a2a4a;
    display: flex; justify-content: center; align-items: center; z-index: 2000; width: 100%;
}
.main-top-nav a {
    color: #9898b8; text-decoration: none; font-size: 13px; font-weight: 600;
    padding: 0 16px; transition: 0.2s; height: 100%; display: flex; align-items: center; gap: 6px;
}
.main-top-nav a:hover { color: #e8e8f0; background: rgba(255,255,255,0.03); }
.main-top-nav a.activo { color: #6c5ce7; border-bottom: 2px solid #6c5ce7; }

@media (max-width: 600px) {
    .main-top-nav a { padding: 0 8px; font-size: 12px; }
}

.app-content {
    flex: 1; display: flex; overflow: hidden; position: relative; width: 100%;
}