/**
 * Estilos compartidos del kit de productividad (navegación y tokens).
 */
:root {
    --tk-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --tk-radius: 15px;
    --tk-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Fondo de página unificado (añadir clase tk-page-gradient al contenedor principal) */
.tk-page-gradient {
    background: var(--tk-gradient);
    min-height: 100vh;
    padding: 2rem 0;
}

.tk-accent-gradient {
    background: var(--tk-gradient);
}

.tools-navigation {
    background: var(--tk-gradient);
    padding: 1rem 0;
    margin-bottom: 2rem;
    border-radius: var(--tk-radius);
    box-shadow: var(--tk-shadow);
}

.tools-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.tools-nav-header {
    text-align: center;
    color: #fff;
    margin-bottom: 1.5rem;
}

.tools-nav-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tools-nav-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
}

.tools-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tool-nav-item {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid transparent;
    border-radius: 10px;
    padding: 0.75rem 0.5rem;
    text-align: center;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.tool-nav-item:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    text-decoration: none;
    color: #fff;
}

.tool-nav-item.active {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.tool-nav-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    display: block;
}

.tool-nav-name {
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.tool-nav-desc {
    font-size: 0.7rem;
    opacity: 0.8;
    line-height: 1.2;
}

.tools-nav-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tools-nav-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.tools-nav-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .tools-nav-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 0.25rem;
    }

    .tool-nav-item {
        padding: 0.5rem 0.25rem;
    }

    .tool-nav-icon {
        font-size: 1.2rem;
    }

    .tool-nav-name {
        font-size: 0.7rem;
    }

    .tool-nav-desc {
        font-size: 0.6rem;
    }

    .tools-nav-actions {
        gap: 0.5rem;
    }

    .tools-nav-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}